jStorage.dropbox.js

(function (jStorage, undefined) {

    /* Content from: https://www.dropbox.com/static/api/dropbox-datastores-1.0-latest.js : Start */
    // dropbox-datastores-1.0.1.js
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t.prototype.code=null,t.prototype.description=null,t.prototype.uri=null,t.ACCESS_DENIED="access_denied",t.INVALID_REQUEST="invalid_request",t.UNAUTHORIZED_CLIENT="unauthorized_client",t.INVALID_GRANT="invalid_grant",t.INVALID_SCOPE="invalid_scope",t.UNSUPPORTED_GRANT_TYPE="unsupported_grant_type",t.UNSUPPORTED_RESPONSE_TYPE="unsupported_response_type",t.SERVER_ERROR="server_error",t.TEMPORARILY_UNAVAILABLE="temporarily_unavailable",t.prototype.toString=function(){return"Dropbox OAuth error "+this.code+" :: "+this.description},t.prototype.inspect=function(){return this.toString()},t}(),x.Client=function(){function t(t){var e=this;this.serverRoot=t.server||this.defaultServerRoot(),this.maxApiServer="maxApiServer"in t?t.maxApiServer:this.defaultMaxApiServer(),this.authServer=t.authServer||this.defaultAuthServer(),this.fileServer=t.fileServer||this.defaultFileServer(),this.downloadServer=t.downloadServer||this.defaultDownloadServer(),this.onXhr=new 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a.driver.resumeAuthorize?a.driver.resumeAuthorize(a.oauth.authStateParam(),a,function(t){return a.oauth.processRedirectParams(t),t.uid&&(a.uid=t.uid),o()}):(a.oauth.setAuthStateParam(a.oauth.authStateParam()),o(),void 0);case d.AUTHORIZED:return a.getAccessToken(function(t,e){return t?(a.authError=t,i()):(a.oauth.processRedirectParams(e),a.uid=e.uid,o())});case d.DONE:e&&e(null,a);break;case d.SIGNED_OUT:return a.authStep=d.RESET,a.reset(),s();case d.ERROR:e&&e(a.authError,a)}},s(),this},t.prototype.isAuthenticated=function(){return this.authStep===d.DONE},t.prototype.signOut=function(t,e){var r,n,i=this;if(e||"function"!=typeof t||(e=t,t=null),r=t&&t.mustInvalidate,this.authStep!==d.DONE)throw new Error("This client doesn't have a user's token");return n=new x.Util.Xhr("POST",this.urls.signOut),n.signWithOauth(this.oauth),this.dispatchXhr(n,function(t){if(t)if(t.status===x.ApiError.INVALID_TOKEN)t=null;else if(r)return e&&e(t),void 0;return i.authStep=d.RESET,i.reset(),i.authStep=d.SIGNED_OUT,i.onAuthStepChange.dispatch(i),i.driver&&i.driver.onAuthStepChange?i.driver.onAuthStepChange(i,function(){return e?e(null):void 0}):e?e(null):void 0})},t.prototype.signOff=function(t,e){return this.signOut(t,e)},t.prototype.getAccountInfo=function(t,e){var r,n;return e||"function"!=typeof t||(e=t,t=null),r=!1,t&&t.httpCache&&(r=!0),n=new x.Util.Xhr("GET",this.urls.accountInfo),n.signWithOauth(this.oauth,r),this.dispatchXhr(n,function(t,r){return e(t,x.AccountInfo.parse(r),r)})},t.prototype.getUserInfo=function(t,e){return this.getAccountInfo(t,e)},t.prototype.readFile=function(t,e,r){var n,i,o,s,a,u,l;return r||"function"!=typeof e||(r=e,e=null),i={},u="text",s=null,n=!1,e&&(e.versionTag?i.rev=e.versionTag:e.rev&&(i.rev=e.rev),e.arrayBuffer?u="arraybuffer":e.blob?u="blob":e.buffer?u="buffer":e.binary&&(u="b"),e.length?(null!=e.start?(a=e.start,o=e.start+e.length-1):(a="",o=e.length),s="bytes="+a+"-"+o):null!=e.start&&(s="bytes="+e.start+"-"),e.httpCache&&(n=!0)),l=new x.Util.Xhr("GET",""+this.urls.getFile+"/"+this.urlEncodePath(t)),l.setParams(i).signWithOauth(this.oauth,n),l.setResponseType(u),s&&(s&&l.setHeader("Range",s),l.reportResponseHeaders()),this.dispatchXhr(l,function(t,e,n,i){var o;return o=i?x.Http.RangeInfo.parse(i["content-range"]):null,r(t,e,x.File.Stat.parse(n),o)})},t.prototype.writeFile=function(t,e,r,n){var i;return n||"function"!=typeof r||(n=r,r=null),i=x.Util.Xhr.canSendForms&&"object"==typeof e,i?this.writeFileUsingForm(t,e,r,n):this.writeFileUsingPut(t,e,r,n)},t.prototype.writeFileUsingForm=function(t,e,r,n){var i,o,s,a;return s=t.lastIndexOf("/"),-1===s?(i=t,t=""):(i=t.substring(s),t=t.substring(0,s)),o={file:i},r&&(r.noOverwrite&&(o.overwrite="false"),r.lastVersionTag?o.parent_rev=r.lastVersionTag:(r.parentRev||r.parent_rev)&&(o.parent_rev=r.parentRev||r.parent_rev)),a=new x.Util.Xhr("POST",""+this.urls.postFile+"/"+this.urlEncodePath(t)),a.setParams(o).signWithOauth(this.oauth).setFileField("file",i,e,"application/octet-stream"),delete o.file,this.dispatchXhr(a,function(t,e){return n?n(t,x.File.Stat.parse(e)):void 0})},t.prototype.writeFileUsingPut=function(t,e,r,n){var i,o;return i={},r&&(r.noOverwrite&&(i.overwrite="false"),r.lastVersionTag?i.parent_rev=r.lastVersionTag:(r.parentRev||r.parent_rev)&&(i.parent_rev=r.parentRev||r.parent_rev)),o=new x.Util.Xhr("POST",""+this.urls.putFile+"/"+this.urlEncodePath(t)),o.setBody(e).setParams(i).signWithOauth(this.oauth),this.dispatchXhr(o,function(t,e){return n?n(t,x.File.Stat.parse(e)):void 0})},t.prototype.resumableUploadStep=function(t,e,r){var n,i;return e?(n={offset:e.offset},e.tag&&(n.upload_id=e.tag)):n={offset:0},i=new x.Util.Xhr("POST",this.urls.chunkedUpload),i.setBody(t).setParams(n).signWithOauth(this.oauth),this.dispatchXhr(i,function(t,e){return t&&t.status===x.ApiError.INVALID_PARAM&&t.response&&t.response.upload_id&&t.response.offset?r(null,x.Http.UploadCursor.parse(t.response)):r(t,x.Http.UploadCursor.parse(e))})},t.prototype.resumableUploadFinish=function(t,e,r,n){var i,o;return n||"function"!=typeof r||(n=r,r=null),i={upload_id:e.tag},r&&(r.lastVersionTag?i.parent_rev=r.lastVersionTag:(r.parentRev||r.parent_rev)&&(i.parent_rev=r.parentRev||r.parent_rev),r.noOverwrite&&(i.overwrite="false")),o=new x.Util.Xhr("POST",""+this.urls.commitChunkedUpload+"/"+this.urlEncodePath(t)),o.setParams(i).signWithOauth(this.oauth),this.dispatchXhr(o,function(t,e){return n?n(t,x.File.Stat.parse(e)):void 0})},t.prototype.stat=function(t,e,r){var n,i,o;return r||"function"!=typeof e||(r=e,e=null),i={},n=!1,e&&(e.versionTag?i.rev=e.versionTag:e.rev&&(i.rev=e.rev),e.contentHash?i.hash=e.contentHash:e.hash&&(i.hash=e.hash),(e.removed||e.deleted)&&(i.include_deleted="true"),e.readDir&&(i.list="true",e.readDir!==!0&&(i.file_limit=e.readDir.toString())),e.cacheHash&&(i.hash=e.cacheHash),e.httpCache&&(n=!0)),i.include_deleted||(i.include_deleted="false"),i.list||(i.list="false"),o=new x.Util.Xhr("GET",""+this.urls.metadata+"/"+this.urlEncodePath(t)),o.setParams(i).signWithOauth(this.oauth,n),this.dispatchXhr(o,function(t,e){var n,i,o;return o=x.File.Stat.parse(e),n=(null!=e?e.contents:void 0)?function(){var t,r,n,o;for(n=e.contents,o=[],t=0,r=n.length;r>t;t++)i=n[t],o.push(x.File.Stat.parse(i));return o}():void 0,r(t,o,n)})},t.prototype.readdir=function(t,e,r){var n;return r||"function"!=typeof e||(r=e,e=null),n={readDir:!0},e&&(null!=e.limit&&(n.readDir=e.limit),e.versionTag?n.versionTag=e.versionTag:e.rev&&(n.versionTag=e.rev),e.contentHash?n.contentHash=e.contentHash:e.hash&&(n.contentHash=e.hash),(e.removed||e.deleted)&&(n.removed=e.removed||e.deleted),e.httpCache&&(n.httpCache=e.httpCache)),this.stat(t,n,function(t,e,n){var i,o;return i=n?function(){var t,e,r;for(r=[],t=0,e=n.length;e>t;t++)o=n[t],r.push(o.name);return r}():null,r(t,i,e,n)})},t.prototype.metadata=function(t,e,r){return this.stat(t,e,r)},t.prototype.makeUrl=function(t,e,r){var n,i,o,s,a,u=this;return r||"function"!=typeof e||(r=e,e=null),i=e&&(e["long"]||e.longUrl||e.downloadHack)?{short_url:"false"}:{},t=this.urlEncodePath(t),o=""+this.urls.shares+"/"+t,n=!1,s=!1,e&&(e.downloadHack?(n=!0,s=!0):e.download&&(n=!0,o=""+this.urls.media+"/"+t)),a=new x.Util.Xhr("POST",o).setParams(i).signWithOauth(this.oauth),this.dispatchXhr(a,function(t,e){return s&&(null!=e?e.url:void 0)&&(e.url=e.url.replace(u.authServer,u.downloadServer)),r(t,x.File.ShareUrl.parse(e,n))})},t.prototype.history=function(t,e,r){var n,i,o;return r||"function"!=typeof e||(r=e,e=null),i={},n=!1,e&&(null!=e.limit&&(i.rev_limit=e.limit),e.httpCache&&(n=!0)),o=new x.Util.Xhr("GET",""+this.urls.revisions+"/"+this.urlEncodePath(t)),o.setParams(i).signWithOauth(this.oauth,n),this.dispatchXhr(o,function(t,e){var n,i;return i=e?function(){var t,r,i;for(i=[],t=0,r=e.length;r>t;t++)n=e[t],i.push(x.File.Stat.parse(n));return i}():void 0,r(t,i)})},t.prototype.revisions=function(t,e,r){return this.history(t,e,r)},t.prototype.thumbnailUrl=function(t,e){var r;return r=this.thumbnailXhr(t,e),r.paramsToUrl().url},t.prototype.readThumbnail=function(t,e,r){var n,i;return r||"function"!=typeof e||(r=e,e=null),n="b",e&&(e.blob&&(n="blob"),e.arrayBuffer&&(n="arraybuffer"),e.buffer&&(n="buffer")),i=this.thumbnailXhr(t,e),i.setResponseType(n),this.dispatchXhr(i,function(t,e,n){return r(t,e,x.File.Stat.parse(n))})},t.prototype.thumbnailXhr=function(t,e){var r,n;return r={},e&&(e.format?r.format=e.format:e.png&&(r.format="png"),e.size&&(r.size=e.size)),n=new x.Util.Xhr("GET",""+this.urls.thumbnails+"/"+this.urlEncodePath(t)),n.setParams(r).signWithOauth(this.oauth)},t.prototype.revertFile=function(t,e,r){var n;return n=new x.Util.Xhr("POST",""+this.urls.restore+"/"+this.urlEncodePath(t)),n.setParams({rev:e}).signWithOauth(this.oauth),this.dispatchXhr(n,function(t,e){return r?r(t,x.File.Stat.parse(e)):void 0})},t.prototype.restore=function(t,e,r){return this.revertFile(t,e,r)},t.prototype.findByName=function(t,e,r,n){var i,o,s;return n||"function"!=typeof r||(n=r,r=null),o={query:e},i=!1,r&&(null!=r.limit&&(o.file_limit=r.limit),(r.removed||r.deleted)&&(o.include_deleted=!0),r.httpCache&&(i=!0)),s=new x.Util.Xhr("GET",""+this.urls.search+"/"+this.urlEncodePath(t)),s.setParams(o).signWithOauth(this.oauth,i),this.dispatchXhr(s,function(t,e){var r,i;return i=e?function(){var t,n,i;for(i=[],t=0,n=e.length;n>t;t++)r=e[t],i.push(x.File.Stat.parse(r));return i}():void 0,n(t,i)})},t.prototype.search=function(t,e,r,n){return this.findByName(t,e,r,n)},t.prototype.makeCopyReference=function(t,e){var r;return r=new x.Util.Xhr("GET",""+this.urls.copyRef+"/"+this.urlEncodePath(t)),r.signWithOauth(this.oauth),this.dispatchXhr(r,function(t,r){return e(t,x.File.CopyReference.parse(r))})},t.prototype.copyRef=function(t,e){return this.makeCopyReference(t,e)},t.prototype.pullChanges=function(t,e){var r,n;return e||"function"!=typeof t||(e=t,t=null),r=t?t.cursorTag?{cursor:t.cursorTag}:{cursor:t}:{},n=new x.Util.Xhr("POST",this.urls.delta),n.setParams(r).signWithOauth(this.oauth),this.dispatchXhr(n,function(t,r){return e(t,x.Http.PulledChanges.parse(r))})},t.prototype.delta=function(t,e){return this.pullChanges(t,e)},t.prototype.mkdir=function(t,e){var r;return r=new x.Util.Xhr("POST",this.urls.fileopsCreateFolder),r.setParams({root:"auto",path:this.normalizePath(t)}).signWithOauth(this.oauth),this.dispatchXhr(r,function(t,r){return e?e(t,x.File.Stat.parse(r)):void 0})},t.prototype.remove=function(t,e){var r;return r=new x.Util.Xhr("POST",this.urls.fileopsDelete),r.setParams({root:"auto",path:this.normalizePath(t)}).signWithOauth(this.oauth),this.dispatchXhr(r,function(t,r){return e?e(t,x.File.Stat.parse(r)):void 0})},t.prototype.unlink=function(t,e){return this.remove(t,e)},t.prototype["delete"]=function(t,e){return this.remove(t,e)},t.prototype.copy=function(t,e,r){var n,i,o;return r||"function"!=typeof n||(r=n,n=null),i={root:"auto",to_path:this.normalizePath(e)},t instanceof x.File.CopyReference?i.from_copy_ref=t.tag:i.from_path=this.normalizePath(t),o=new x.Util.Xhr("POST",this.urls.fileopsCopy),o.setParams(i).signWithOauth(this.oauth),this.dispatchXhr(o,function(t,e){return r?r(t,x.File.Stat.parse(e)):void 0})},t.prototype.move=function(t,e,r){var n,i;return r||"function"!=typeof n||(r=n,n=null),i=new x.Util.Xhr("POST",this.urls.fileopsMove),i.setParams({root:"auto",from_path:this.normalizePath(t),to_path:this.normalizePath(e)}).signWithOauth(this.oauth),this.dispatchXhr(i,function(t,e){return r?r(t,x.File.Stat.parse(e)):void 0})},t.prototype.appInfo=function(t,e){var r;return e||"function"!=typeof t||(e=t,t=this.oauth.credentials().key),r=new x.Util.Xhr("GET",this.urls.appsInfo),r.setParams({app_key:t}),this.dispatchXhr(r,function(r,n){return e(r,x.Http.AppInfo.parse(n,t))})},t.prototype.isAppDeveloper=function(t,e,r){var n;return"object"==typeof t&&"uid"in t&&(t=t.uid),r||"function"!=typeof e?"object"==typeof e&&"key"in e&&(e=e.key):(r=e,e=this.oauth.credentials().key),n=new x.Util.Xhr("GET",this.urls.appsCheckDeveloper),n.setParams({app_key:e,uid:t}),this.dispatchXhr(n,function(t,e){return e?r(t,e.is_developer):r(t)})},t.prototype.hasOauthRedirectUri=function(t,e,r){var n;return r||"function"!=typeof e?"object"==typeof e&&"key"in e&&(e=e.key):(r=e,e=this.oauth.credentials().key),n=new x.Util.Xhr("GET",this.urls.appsCheckRedirectUri),n.setParams({app_key:e,redirect_uri:t}),this.dispatchXhr(n,function(t,e){return e?r(t,e.has_redirect_uri):r(t)})},t.prototype.reset=function(){var t;return this.uid=null,this.oauth.reset(),t=this.authStep,this.authStep=this.oauth.step(),t!==this.authStep&&this.onAuthStepChange.dispatch(this),this.authError=null,this._credentials=null,this},t.prototype.setCredentials=function(t){var e;return e=this.authStep,this.oauth.setCredentials(t),this.authStep=this.oauth.step(),this.uid=t.uid||null,this.authError=null,this._credentials=null,e!==this.authStep&&this.onAuthStepChange.dispatch(this),this},t.prototype.appHash=function(){return this.oauth.appHash()},t.prototype.setupUrls=function(){return this.apiServer=this.chooseApiServer(),this.urls={authorize:""+this.authServer+"/1/oauth2/authorize",token:""+this.apiServer+"/1/oauth2/token",signOut:""+this.apiServer+"/1/unlink_access_token",accountInfo:""+this.apiServer+"/1/account/info",getFile:""+this.fileServer+"/1/files/auto",postFile:""+this.fileServer+"/1/files/auto",putFile:""+this.fileServer+"/1/files_put/auto",metadata:""+this.apiServer+"/1/metadata/auto",delta:""+this.apiServer+"/1/delta",revisions:""+this.apiServer+"/1/revisions/auto",restore:""+this.apiServer+"/1/restore/auto",search:""+this.apiServer+"/1/search/auto",shares:""+this.apiServer+"/1/shares/auto",media:""+this.apiServer+"/1/media/auto",copyRef:""+this.apiServer+"/1/copy_ref/auto",thumbnails:""+this.fileServer+"/1/thumbnails/auto",chunkedUpload:""+this.fileServer+"/1/chunked_upload",commitChunkedUpload:""+this.fileServer+"/1/commit_chunked_upload/auto",fileopsCopy:""+this.apiServer+"/1/fileops/copy",fileopsCreateFolder:""+this.apiServer+"/1/fileops/create_folder",fileopsDelete:""+this.apiServer+"/1/fileops/delete",fileopsMove:""+this.apiServer+"/1/fileops/move",appsInfo:""+this.apiServer+"/1/apps/info",appsCheckDeveloper:""+this.apiServer+"/1/apps/check_developer",appsCheckRedirectUri:""+this.apiServer+"/1/apps/check_redirect_uri",getDb:""+this.apiServer+"/r5/datastores/get_datastore",getOrCreateDb:""+this.apiServer+"/r5/datastores/get_or_create_datastore",createDb:""+this.apiServer+"/r5/datastores/create_datastore",listDbs:""+this.apiServer+"/r5/datastores/list_datastores",deleteDb:""+this.apiServer+"/r5/datastores/delete_datastore",getSnapshot:""+this.apiServer+"/r5/datastores/get_snapshot",getDeltas:""+this.apiServer+"/r5/datastores/get_deltas",putDelta:""+this.apiServer+"/r5/datastores/put_delta",datastoreAwait:""+this.apiServer+"/r5/datastores/await"},this
    },t.prototype.chooseApiServer=function(){var t,e;return e=Math.floor(Math.random()*(this.maxApiServer+1)),t=0===e?"":e.toString(),this.serverRoot.replace("$",t)},t.prototype.authStep=null,t.ERROR=0,t.RESET=1,t.PARAM_SET=2,t.PARAM_LOADED=3,t.AUTHORIZED=4,t.DONE=5,t.SIGNED_OUT=6,t.prototype.urlEncodePath=function(t){return x.Util.Xhr.urlEncodeValue(this.normalizePath(t)).replace(/%2F/gi,"/")},t.prototype.normalizePath=function(t){var e;if("/"===t.substring(0,1)){for(e=1;"/"===t.substring(e,e+1);)e+=1;return t.substring(e)}return t},t.prototype.authorizeUrl=function(){var t;return t=this.oauth.authorizeUrlParams(this.driver.authType(),this.driver.url()),this.urls.authorize+"?"+x.Util.Xhr.urlEncode(t)},t.prototype.getAccessToken=function(t){var e,r;return e=this.oauth.accessTokenParams(this.driver.url()),r=new x.Util.Xhr("POST",this.urls.token).setParams(e).addOauthParams(this.oauth),this.dispatchXhr(r,function(e,r){return e&&e.status===x.ApiError.INVALID_PARAM&&e.response&&e.response.error&&(e=new x.AuthError(e.response)),t(e,r)})},t.prototype.dispatchLongPollXhr=function(t,e,r){return null==r&&(r=6e4),this.dispatchXhr(t,e,r)},t.prototype.dispatchXhr=function(t,e,r){var n,i,o=this;return null==r&&(r=1e4),n=setTimeout(function(){return o.handleLongRequest(t)},2*r),t.setCallback(function(t,r,i,o){return clearTimeout(n),e(t,r,i,o)}),t.onError=this.xhrOnErrorHandler,t.prepare(),i=t.xhr,this.onXhr.dispatch(t)&&t.send(),i},t.prototype.handleXhrError=function(t,e){var r=this;return t.status===x.ApiError.INVALID_TOKEN&&this.authStep===d.DONE&&(this.authError=t,this.authStep=d.ERROR,this.onAuthStepChange.dispatch(this),this.driver&&this.driver.onAuthStepChange)?(this.driver.onAuthStepChange(this,function(){return r.onError.dispatch(t),e(t)}),null):(this.onError.dispatch(t),e(t),void 0)},t.prototype.handleLongRequest=function(){return this.setupUrls()},t.prototype.defaultServerRoot=function(){return"https://api$.dropbox.com"},t.prototype.defaultAuthServer=function(){return this.serverRoot.replace("api$","www")},t.prototype.defaultFileServer=function(){return this.serverRoot.replace("api$","api-content")},t.prototype.defaultDownloadServer=function(){return"https://dl.dropboxusercontent.com"},t.prototype.defaultWsServer=function(){return this.serverRoot.replace(/^https?:/,"wss:")},t.prototype.defaultMaxApiServer=function(){return 30},t.prototype.computeCredentials=function(){var t;t=this.oauth.credentials(),this.uid&&(t.uid=this.uid),this.serverRoot!==this.defaultServerRoot()&&(t.server=this.serverRoot),this.maxApiServer!==this.defaultMaxApiServer()&&(t.maxApiServer=this.maxApiServer),this.authServer!==this.defaultAuthServer()&&(t.authServer=this.authServer),this.fileServer!==this.defaultFileServer()&&(t.fileServer=this.fileServer),this.downloadServer!==this.defaultDownloadServer()&&(t.downloadServer=this.downloadServer),this._credentials=t},t}(),d=x.Client,x.Datastore=function(){function t(t,e){var r=this;this._datastore_manager=t,this._managed_datastore=e,this._dsid=this._managed_datastore.get_dsid(),this._handle=this._managed_datastore.get_handle(),this._record_cache=new G(this),this._last_used_timestamp=0,this.recordsChanged=new x.Util.EventSource,this.syncStatusChanged=new x.Util.EventSource,this._timeoutWrapper=function(t){return t},this._evt_mgr=new O,this._evt_mgr.register(this._managed_datastore.syncStateChanged,function(){return r._syncSoon(),r.syncStatusChanged.dispatch(null)}),this._syncPending=!1,this._closed=!1,this._metadata_table=new x.Datastore.Table(this,":info"),this._metadata_table.setResolutionRule("mtime","max")}return t.prototype.recordsChanged=null,t.prototype.syncStatusChanged=null,t.int64=function(t){var e,r;if(te.is_number(t)&&null!=t[ie.INT64_TAG])return ie.validateInt64(t);if(te.is_string(t)){if(!ie.is_valid_int64_string(t))throw new Error("Not a valid int64 in string form: "+t);return r=new Number(parseInt(t,10)),r[ie.INT64_TAG]=t,ie.validateInt64(r)}if(!te.is_number(t)||!isFinite(t))throw new Error("Not a finite number: "+t);if(Number(t)!==Math.round(t))throw new Error("Number is not an integer: "+t);if(e=t.toFixed(),!ie.is_valid_int64_string(e))throw new Error("Number not in int64 range: "+t);return r=new Number(t),r[ie.INT64_TAG]=e,ie.validateInt64(r)},t.isInt64=function(t){return ie.isInt64(t)},t.prototype.getModifiedTime=function(){var t;return t=this._metadata_table.getOrInsert("info",{}),t.get("mtime")},t.prototype.getTitle=function(){var t;return t=this._metadata_table.getOrInsert("info",{}),t.get("title")},t.prototype.setTitle=function(t){var e;if(null!=t&&!te.string(t))throw new Error("Title must be a string or null!");return e=this._metadata_table.getOrInsert("info",{}),e.set("title",t)},t.prototype.getTable=function(t){if(this._checkNotClosed(),!x.Datastore.Table.isValidId(t))throw new Error("Invalid table ID: "+t);return new x.Datastore.Table(this,t)},t.prototype.listTableIds=function(){return this._checkNotClosed(),this._managed_datastore.list_tables()},t.prototype.toString=function(){var t;return t=this._closed?"[closed] ":"","Datastore("+t+this._dsid+" ["+this._handle+"])"},t.prototype.close=function(){return this._closed=!0,this._evt_mgr.unregister_all(),this._listeners=[],this._datastore_manager._datasync.obj_manager.close(this._dsid),void 0},t.prototype.getId=function(){return 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r=null!=(i=t.I)?i:t.T,ie.is_valid_int64_string(r);default:return!1}},ie.is_atomic_field_value=function(t){return te.is_bool(t)||te.is_json_number(t)||te.is_string(t)||ie.is_wrapped_atomic_field_value(t)},ie.is_list_value=function(t){var e,r,n;if(te.is_array(t)){for(r=0,n=t.length;n>r;r++)if(e=t[r],!ie.is_atomic_field_value(e))return!1;return!0}return!1},ie.is_compound_field_value=function(t){return ie.is_atomic_field_value(t)||ie.is_list_value(t)},ie.atomic_field_value=function(t,e,r,n){return null==r&&(r="atomic field value"),te.check(ie.is_atomic_field_value(t),"is not an atomic field value",t,e,r,n),t},ie.list_value=function(t,e,r,n){return null==r&&(r="list value"),te.arrayOf(ie.atomic_field_value)(t,e,r,n),t},ie.compound_field_value=function(t,e,r,n){return null==r&&(r="field 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map",te.string,R)]]),ie.AwaitResponse=t=oe.define("AwaitResponse",[["get_deltas",te.nullable(e),{init:null}],["list_datastores",te.nullable(N),{init:null}]]),h=function(){function t(t){this.obj_manager=e(t)}var e;return e=function(t){var e,r;return r=new U(t),e=new H(r,t)},t.changeFromArray=function(t){return n.from_array(t)},t.prototype.close=function(){return this.obj_manager.destroy()},t.prototype.get_or_create=function(t,e){var r=this;return this.obj_manager.flob_client.get_or_create_db(t,function(n,i){return n?e(n):r.obj_manager.open(t,i.handle,function(t,r){return null!=t?e(t):e(null,r,i.created)})})},t.prototype.create=function(t,e,r){var n=this;return this.obj_manager.flob_client.create_db(t,e,function(e,i){return e?r(e):n.obj_manager.open(t,i.handle,function(t,e){return null!=t?r(t):r(null,e,i.created)})})},t.prototype.get_by_dsid=function(t,e){var r=this;return this.obj_manager.flob_client.get_db(t,function(n,i){return n?e(n):r.obj_manager.open(t,i.handle,function(t,r){return null!=t?e(t):e(null,r)})})},t.prototype.get=function(t,e){return this.obj_manager.open(t,function(t,r){return null!=t?e(t):e(null,r)})},t}(),r=function(){function t(){this.min_delay_millis=500,this.max_delay_millis=9e4,this.base=1.5,this._failures=0,this.log=!1}return t.prototype.set_log=function(t){this.log=t},t.prototype.set_max_delay_millis=function(t){this.max_delay_millis=t},t.prototype.get_backoff_millis=function(){var t,e;return this._failures+=1,e=Math.min(this.max_delay_millis,this.min_delay_millis*Math.pow(this.base,this._failures-1)),t=(.5+Math.random())*e,this.log&&console.log("get_backoff_millis: failures="+this._failures+", target_delay_millis="+e+", delay_millis="+t),t},t.prototype.reset=function(){return this._failures=0},t}(),$=function(){function t(){this.backoff=new r}var e,n;return n=6e4,e=0,t.prototype.run=function(t,e,r){var i,o,s,a,u,l,h,c=this;return s=null!=(l=e.do_retry)?l:function(){return!0},a=null!=(h=e.giveup_after_ms)?h:n,u=Date.now()+a,o=!1,i=function(){return o?void 0:t(function(){var t,e,n;return t=arguments[0],e=2<=arguments.length?le.call(arguments,1):[],o?void 0:t&&s(t)?Date.now()>u?(console.error("Giving up due to error",t),r(t)):(n=c.backoff.get_backoff_millis(),console.warn("Retrying in "+n+" ms due to error",t),setTimeout(i,n)):r.apply(null,[t].concat(le.call(e)))})},i(),function(){return o=!0}},t}(),k=function(){function t(t){this.client=t,this._retry=new $}var e,r;return r=10,e=2419200,t.prototype._run_with_retries=function(t,e,r){var n;return n={giveup_after_ms:1e3*t,do_retry:function(t){var e;return 0===t.status||500<=(e=t.status)&&600>e}},this._retry.run(r,n,e)},t.prototype.delete_db=function(t,e){var n=this;return this._run_with_retries(r,e,function(e){return n.client._deleteDatastore(t,function(t){return null!=t?e(t):e(null)})})},t.prototype.list_dbs=function(t){var r=this;return this._run_with_retries(e,t,function(t){return r.client._listDatastores(function(e,r){return null!=e?t(e):t(null,r)})})},t.prototype.get_or_create_db=function(t,e){var n=this;return this._run_with_retries(r,e,function(e){return n.client._getOrCreateDatastore(t,function(t,r){return null!=t?e(t):e(null,r)})})},t.prototype.create_db=function(t,e,n){var i=this;return this._run_with_retries(r,n,function(r){return i.client._createDatastore(t,e,function(t,e){return null!=t?r(t):r(null,e)})})},t.prototype.get_db=function(t,e){var n=this;return this._run_with_retries(r,e,function(e){return n.client._getDatastore(t,function(t,r){return null!=t?e(t):e(null,r)})})},t.prototype.await=function(t,r,n){var i,o=this;return i=this._run_with_retries(e,n,function(e){return o.client._datastoreAwait(t,r,function(t,r){return null!=t?e(t):e(null,r)})})},t.prototype.put_delta=function(t,r,n){var i,o=this;return i=function(t,e){return n(e)},this._run_with_retries(e,n,function(e){return o.client._putDelta(t,r,function(t){return null!=t?e(t):e(null)})})},t.prototype.get_snapshot=function(t,e){var n=this;return this._run_with_retries(r,e,function(e){return n.client._getSnapshot(t,function(t,r){return null!=t?e(t):e(null,r)})})},t}(),z=function(){function t(t,e,r){this.changes=t,this.undo_extras=e,this.finalized=null!=r?r:!1}var e;return e=function(t,e){var r,i,o,s,a;switch(s=null,i=null,t.tag()){case"I":s="D";break;case"U":s="U",i={};for(o in e)a=e[o],i[o]=null==a?["D"]:["P",a];break;case"D":s="I",i=ie.clone(e);break;default:throw new Error("Unknown change tag: "+t.tag())}return r=[s,t.tid,t.rowid],null!=i&&r.push(i),n.from_array(r)},t.prototype.add_change=function(t,e){return ne(!this.finalized,"add_change: already finalized"),this.changes.push(t),this.undo_extras.push(e)},t.prototype["package"]=function(t,e){return ne(this.finalized,"package: not finalized"),new A({changes:this.changes.slice(),nonce:t,rev:e})},t.prototype.inverse_changes=function(){var t,r,n,i,o,s;for(n=[],s=this.changes,r=i=0,o=s.length;o>i;r=++i)t=s[r],n.push(e(t,this.undo_extras[r]));return n.reverse(),n},t}(),ie.value_size=function(t){var e,r,n,i;if(te.is_string(t))return x.Util.countUtf8Bytes(t);if(te.is_bool(t))return 0;if(te.is_number(t))return 0;if(te.is_array(t)){for(e=20*t.length,n=0,i=t.length;i>n;n++)r=t[n],e+=ie.value_size(r);return e}if("object"!=typeof t)throw new Error("Unexpected value: "+t);if(null!=t.I)return 0;if(null!=t.N)return 0;if(null!=t.B)return Math.ceil(3*t.B.length/4);if(null!=t.T)return 0;throw new Error("Unexpected object: "+JSON.stringify(t))},M=102400,j=10485760,B=2097152,ie.size_difference_for_field_op=function(t,e,r){var n,i,o,s;switch(n=t.get(e),r.tag()){case"P":return i=r.value,n?ie.value_size(i)-ie.value_size(n):100+ie.value_size(i);case"D":return null!=n?-(100+ie.value_size(n)):0;case"LC":return ne(null==n,"can't create list for field that already exists"),100;case"LP":return ne(te.is_array(n),"LP on non-list"),ne(0<=(o=r.at)&&o<n.length,"bad index for LP"),ie.value_size(r.value)-ie.value_size(n[r.at]);case"LI":return null!=n?20+ie.value_size(r.value):120+ie.value_size(r.value);case"LD":return ne(te.is_array(n),"LD on non-list"),ne(0<=(s=r.at)&&s<n.length,"bad index for LD"),-(20+ie.value_size(n[r.at]));case"LM":return 0;default:throw new Error("unexpected field op type "+r.tag())}},ie.size_difference_for_change=function(t,e){var r,n,i,o,s,a,u;return s=function(){var s,l;switch(e.tag()){case"I":o=100,s=e.fields;for(r in s)u=s[r],o+=100+ie.value_size(u);return o;case"U":i=t.get_record(e.tid,e.rowid),te.assert(null!=i,function(){return"record not found: "+JSON.stringify(e)}),a=0,l=e.updates;for(r in l)n=l[r],a+=ie.size_difference_for_field_op(i,r,n);return a;case"D":return-t.get_record(e.tid,e.rowid)._size;default:throw new Error("unrecognized tag "+e.tag())}}()},W=function(){function t(t,e,r){var n,i;this._tid=t,this._rid=e,null==r&&(r={}),this._fields={},this._size=100;for(n in r)i=r[n],this._fields[n]=ie.clone(i),this._size+=100+ie.value_size(i)}return t.prototype.get=function(t){return this._fields[t]},t.prototype.get_all=function(){return this._fields},t.prototype.put=function(t,e){return null!=e?this._fields[t]=ie.clone(e):delete this._fields[t],void 0},t.prototype.apply_field_op=function(t,e){var r,n,i,o,s,a,u;switch(r=this._fields[t],e.tag()){case"P":this._fields[t]=ie.clone(e.value);break;case"D":delete this._fields[t];break;case"LC":ne(null==r,"can't create list for field that already exists"),this._fields[t]=[];break;case"LP":ne(te.is_array(r),"LP on non-list"),ne(0<=(i=e.at)&&i<r.length,"bad index for LP"),r[e.at]=ie.clone(e.value);break;case"LI":null!=r?(ne(te.is_array(r),"LI on non-list"),ne(0<=(o=e.before)&&o<=r.length,"bad index for LI"),r.splice(e.before,0,ie.clone(e.value))):(ne(0===e.before,"bad index for LI on nonexistent field"),this._fields[t]=[ie.clone(e.value)]);break;case"LD":ne(te.is_array(r),"LD on non-list"),ne(0<=(s=e.at)&&s<r.length,"bad index for LD"),r.splice(e.at,1);break;case"LM":ne(te.is_array(r),"LM on non-list"),ne(0<=(a=e.from)&&a<r.length,"bad from index for LM"),ne(0<=(u=e.to)&&u<r.length,"bad to index for LM"),n=r[e.from],r.splice(e.from,1),r.splice(e.to,0,n);break;default:throw new Error("unexpected field op type "+e.tag())}return void 0},t}(),ee=function(){function t(){this._records={}}return t.prototype.get=function(t){return this._records[t]},t.prototype.put=function(t,e){return null!=e?this._records[t]=e:delete this._records[t],void 0},t.prototype.has=function(t){return null!=this._records[t]},t.prototype.is_empty=function(){var t;for(t in this._records)return!1;return!0},t.prototype.list_record_ids=function(){var t,e;e=[];for(t in this._records)e.push(t);return e},t}(),l=function(){function t(t,e){var r,n,i,o,s,a;this._tables={},this._size=1e3;for(a in e){i=e[a],s=this._get_table(a);for(o in i)r=i[o],n=new W(a,o,r),this._check_record_size(t,a,o,n._size),s.put(o,n),this._size+=n._size}this._check_datastore_size(t,this._size)}return t.from_get_snapshot_resp=function(e){var r,n,i,o,s,a;for(r={},a=e.rows,i=0,o=a.length;o>i;i++)n=a[i],r[s=n.tid]||(r[s]={}),r[n.tid][n.rowid]=n.data;return new t(!1,r)},t.prototype._size_limit_exceeded=function(t,e){var r;if(t)throw r=new Error(e),r.code="SIZE_LIMIT_EXCEEDED",r;return console.warn(e),void 0},t.prototype._check_record_size=function(t,e,r,n){return n>M&&this._size_limit_exceeded(t,"Record ("+e+", "+r+") too large: "+n+" bytes"),void 0},t.prototype._check_datastore_size=function(t,e){return e>j&&this._size_limit_exceeded(t,"Datastore too large: "+e+" bytes"),void 0},t.prototype._TEST_calculate_size_from_scratch=function(){var t,e,r,n,i,o,s,a,u,l,h,c;n=0,l=this._tables;for(o in l)for(i=l[o],h=i.list_record_ids(),a=0,u=h.length;u>a;a++){r=h[a],e=i.get(r),n+=100,c=e.get_all();for(t in c)s=c[t],n+=100+ie.value_size(s)}return n},t.prototype.raw_data=function(){var t,e,r,n,i,o,s,a;
    t={},s=this._tables;for(n in s)for(r=s[n],t[n]={},a=r.list_record_ids(),i=0,o=a.length;o>i;i++)e=a[i],t[n][e]=ie.clone(r.get(e).get_all());return t},t.prototype.get_record=function(t,e){var r;return null!=(r=this._tables[t])?r.get(e):void 0},t.prototype.apply_change=function(t,e){var r,n,i;switch(r=ie.size_difference_for_change(this,e),r>=0&&this._check_datastore_size(t,this._size+r),e.tag()){case"I":this._check_record_size(t,e.tid,e.rowid,r),i=this._apply_insert(e);break;case"U":n=this.get_record(e.tid,e.rowid),te.assert(null!=n,function(){return"apply_change: record does not exist: "+JSON.stringify(e)}),r>=0&&this._check_record_size(t,e.tid,e.rowid,n._size+r),i=this._apply_update(n,e),n._size+=r;break;case"D":i=this._apply_delete(e);break;default:throw new Error("unrecognized tag "+e.tag())}return this._size+=r,i},t.prototype._get_table=function(t){return null==this._tables[t]&&(this._tables[t]=new ee),this._tables[t]},t.prototype._apply_insert=function(t){var e,r;return r=this._get_table(t.tid),te.assert(!r.has(t.rowid),function(){return"_apply_insert: record already exists: "+JSON.stringify(t)}),e=new W(t.tid,t.rowid,t.fields),r.put(t.rowid,e),null},t.prototype._apply_update=function(t,e){var r,n,i,o,s,a,u;o={};try{a=e.updates;for(n in a)i=a[n],s=ie.clone(null!=(u=t.get(n))?u:null),t.apply_field_op(n,i),o[n]=s}catch(l){r=l;for(n in o)s=o[n],t.put(!1,n,s);throw r}return o},t.prototype._apply_delete=function(t){var e,r,n;return n=this._get_table(t.tid),te.assert(n.has(t.rowid),function(){return"_apply_delete: record does not exist: "+JSON.stringify(t)}),r=n.get(t.rowid),e=ie.clone(r.get_all()),n.put(t.rowid,null),n.is_empty()&&delete this._tables[t.tid],e},t.prototype.query=function(t,e){var r,n;return n=this._tables[t],null==n?null:(r=n.get(e),null==r?null:ie.clone(r.get_all()))},t.prototype.list_tables=function(){var t,e;return t=function(){var t;t=[];for(e in this._tables)t.push(e);return t}.call(this),t.sort(),t},t.prototype.list_rows_for_table=function(t){var e,r;return r=this._tables[t],null==r?[]:(e=r.list_record_ids(),e.sort(),e)},t.prototype.size=function(){return this._size},t}(),X=function(){function t(t,e,r,n,i,o){this.dbid=t,this.handle=e,this.datastore_model=r,this.resolver=n,this.sync_state=i,this.flob_client=o,this.syncStateChanged=new x.Util.EventSource,this._deleted=!1,this._open=!0,this._commit_queue=new Q}return t.fresh_managed_datastore=function(e,r,n,i,o,s){var a,u;return a=ie.randomWeb64String(10),u=new Y(a,null,i,[],[]),new t(e,r,n,o,u,s)},t.prototype.get_dsid=function(){return this.dbid},t.prototype.get_handle=function(){return this.handle},t.prototype.is_deleted=function(){return this._deleted},t.prototype.mark_deleted=function(){return this._deleted=!0},t.prototype.open=function(){if(this._open)throw new Error("Attempt to open datastore multiple times");return this._open=!0},t.prototype.close=function(){if(!this._open)throw new Error("Attempt to close datastore multiple times");return this._open=!1},t.prototype._do_sync=function(){var t,e,r,n,i,o,s,a,u,l,h,c,p,d,f,_,y,g,m,v,w,b,S;if(0===this.sync_state.server_deltas.length)return{};for(i=this.resolver.resolve(this.sync_state.unsynced_deltas,this.sync_state.server_deltas),n=i.rebased_deltas,t=i.affected_records,o=this.sync_state.unsynced_deltas.slice().reverse(),a=0,c=o.length;c>a;a++)for(r=o[a],v=r.inverse_changes(),u=0,p=v.length;p>u;u++)e=v[u],this.datastore_model.apply_change(!1,e);for(w=this.sync_state.server_deltas,l=0,d=w.length;d>l;l++)for(r=w[l],b=r.changes,h=0,f=b.length;f>h;h++)e=b[h],this.datastore_model.apply_change(!1,e);for(g=0,_=n.length;_>g;g++)for(r=n[g],r.undo_extras=[],S=r.changes,m=0,y=S.length;y>m;m++)e=S[m],s=this.datastore_model.apply_change(!1,e),r.undo_extras.push(s);return this.sync_state.update_unsynced_deltas(n),t},t.prototype._do_commit=function(){var t,e=this;if(!this.sync_state.delta_pending()&&(t=this.sync_state.get_next_commit(),null!=t))return this._commit_queue.request(function(){return e.flob_client.put_delta(e.handle,t,function(){return e._commit_queue.finish()})})},t.prototype._apply_and_queue_local_change=function(t,e){var r;return r=this.datastore_model.apply_change(t,e),this.sync_state.add_unsynced_change(e,r),void 0},t.prototype._update_mtime=function(){return null},t.prototype.perform_local_change=function(t){return this._apply_and_queue_local_change(!0,t),this._update_mtime(),this.syncStateChanged.dispatch(null)},t.prototype.sync=function(){var t;return this.has_unfinalized_changes&&this.sync_state.finalize(),t=this._do_sync(),this._do_commit(),t},t.prototype.get_outgoing_delta_count=function(){return this.sync_state.unsynced_deltas.length},t.prototype.get_incoming_delta_count=function(){return this.sync_state.server_deltas.length},t.prototype.has_unfinalized_changes=function(){return this.sync_state.has_unfinalized_changes()},t.prototype.receive_server_delta=function(t){return this.sync_state.receive_server_delta(t)?this.syncStateChanged.dispatch(null):this.syncStateChanged.dispatch(null)},t.prototype.query=function(t,e){return this.datastore_model.query(t,e)},t.prototype.list_tables=function(){var t;return function(){var e,r,n,i;for(n=this.datastore_model.list_tables(),i=[],e=0,r=n.length;r>e;e++)t=n[e],":info"!==t&&i.push(t);return i}.call(this)},t.prototype.list_rows_for_table=function(t){return this.datastore_model.list_rows_for_table(t)},t}(),Y=function(){function t(t,e,r,n,i){this.last_nonce=t,this.pending_delta=e,this.last_rev=r,this.unsynced_deltas=n,this.server_deltas=i,te.uint(this.last_rev,"last_rev")}return t.prototype.is_current=function(){return 0===this.unsynced_deltas.length&&0===this.server_deltas.length},t.prototype.add_unsynced_change=function(t,e){var r;return r=this.unsynced_deltas.length,0===r||this.unsynced_deltas[r-1].finalized?this.unsynced_deltas.push(new z([t],[e])):this.unsynced_deltas[r-1].add_change(t,e)},t.prototype._compact_deltas=function(){var t,e,r,n,i,o,s,a,u,l,h,c,p,d;if(n=this.unsynced_deltas.length,!(1>=n)){for(e=[],o=[],r=s=0,c=n-1;c>=0?c>s:s>c;r=c>=0?++s:--s){for(p=this.unsynced_deltas[r].changes,a=0,l=p.length;l>a;a++)t=p[a],e.push(t);for(d=this.unsynced_deltas[r].undo_extras,u=0,h=d.length;h>u;u++)i=d[u],o.push(i)}return this.unsynced_deltas=[new z(e,o,!0),this.unsynced_deltas[n-1]]}},t.prototype.get_next_commit=function(){var t,e,r;return ne(null==this.pending_delta,"delta pending"),t=this.unsynced_deltas.length,0===t?null:(this._compact_deltas(),e=this.unsynced_deltas[0],e.finalized?(r=this.last_nonce,this.pending_delta=e["package"](r,this.last_rev),this.pending_delta):null)},t.prototype.clear_pending=function(){return this.pending_delta=null},t.prototype.delta_pending=function(){return null!=this.pending_delta},t.prototype.has_unfinalized_changes=function(){var t,e;return e=this.unsynced_deltas.length,0===e?!1:(t=this.unsynced_deltas[e-1],!t.finalized)},t.prototype.finalize=function(){var t;if(this.has_unfinalized_changes())return t=this.unsynced_deltas[this.unsynced_deltas.length-1],ne(!t.finalized,"last delta already finalized"),t.finalized=!0},t.prototype.update_unsynced_deltas=function(t){return this.unsynced_deltas=t,this.last_rev+=this.server_deltas.length,this.server_deltas=[]},t.prototype.is_ours=function(t){return this.last_nonce===t.nonce},t.prototype.ack=function(t){return ne(this.is_ours(t),"not ours"),ne(null!=this.pending_delta,"no pending delta"),ne(0===this.server_deltas.length,"server deltas exist"),this.pending_delta=null,this.unsynced_deltas.shift(),this.last_rev++},t.prototype.receive_server_delta=function(t){var e,r;return r=this.server_deltas.length,e=r>0?this.server_deltas[r-1].rev+1:this.last_rev,ne(t.rev<=e,"was expecting rev "+e+", but got "+t.rev+" instead!"),t.rev<e?(console.warn("received old delta!"),!1):this.is_ours(t)?(this.ack(t),!1):(this.server_deltas.push(t),this.pending_delta=null,!0)},t}(),ie.DatastoreModel=l,V=function(){function t(t){this.update_manager=t,this.cancelled=!1,this.cancel_fn=null}return t.prototype.cancel=function(){return null!=this.cancel_fn&&this.cancel_fn(),this.cancelled=!0},t.prototype.poll=function(){var t,e=this;return t=function(){var r;if(!e.cancelled)return r=ie.clone(e.update_manager._handle_version_map),e.cancel_fn=e.update_manager.flob_client.await(r,e.update_manager._last_dslist_token,function(n,i){var o,s,a,u,l,h,c,p,d,f;if(e.cancel_fn=null,n)return 0===n.status?(console.log("await deltas failed (offline):",n),setTimeout(t,1e4)):n.status&&500<=(p=n.status)&&599>=p?(console.log("server error:",n),setTimeout(t,2e3)):(console.error("Got error in longpoll:",n),setTimeout(t,1e4));if(null!=i.get_deltas){d=i.get_deltas.deltas;for(u in d)if(s=d[u],null!=s.notfound)e.update_manager._data_queue.push({handle:u,notfound:s.notfound}),delete 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running"),r=this._handle_version_map[t],n=e,null!=r&&(n=Math.max(e,r)),this._handle_version_map[t]=n,this._do_longpoll()},t.prototype.remove_poll=function(t){return ne(this._running,"update manager is not running"),t in this._handle_version_map?(delete this._handle_version_map[t],this._do_longpoll()):void 0},t.prototype._do_longpoll=function(){return ne(this._running,"update manager is not running"),this._pending_poll&&(this._pending_poll.cancel(),this._pending_poll=null),this._pending_poll=new V(this),this._pending_poll.poll()},t}(),H=function(){function t(t,e){this.update_manager=t,this.flob_client=e,this.update_manager.run(this._handle_server_update.bind(this)),this._cached_objects={},this._dslist_listener=null,this._handle_to_dsid_map={}}return t.prototype.destroy=function(){var t;for(t in this._cached_objects)this._cached_objects[t].close();return this.update_manager.stop()},t.prototype.set_dslist_listener=function(t){return this._dslist_listener=t},t.prototype._evict=function(t){var e;return e=this._handle_to_dsid_map[t],null!=e?(delete this._handle_to_dsid_map[t],e in this._cached_objects&&this._cached_objects[e].mark_deleted(),this.update_manager.remove_poll(t)):void 0},t.prototype.close=function(t){var e;if(t in this._cached_objects)return e=this._cached_objects[t].get_handle(),this._cached_objects[t].close();throw new Error("Attempt to close unknown datastore: "+t)},t.prototype._handle_server_update=function(t,e){var r,n,i;return t.dslist?(this._dslist_listener&&this._dslist_listener(t.dslist),e(null)):(i=t.handle,r=this._handle_to_dsid_map[i],null==r?(console.log("unknown handle "+i+" (maybe datastore was evicted)",t,this._handle_to_dsid_map,this._cached_objects),e(null)):(n=t.delta,null!=t.notfound?(this._evict(i),e(null)):this._retrieve(r,i,function(t,r){return t?e(t):(r.receive_server_delta(n),e(null))})))},t.prototype.open=function(t,e,r){return this._cached_objects[t]&&this._cached_objects[t].open(),this._retrieve(t,e,r)},t.prototype._retrieve=function(t,e,r){var n,i=this;return n=this._cached_objects[t],null!=n?r(null,n):(this._handle_to_dsid_map[e]=t,this.flob_client.get_snapshot(e,function(n,o){var s,a,u;return null!=n?r(n):null!=i._cached_objects[t]?r(null,i._cached_objects[t]):(s=l.from_get_snapshot_resp(o),u=new D,a=X.fresh_managed_datastore(t,e,s,o.rev,u,i.flob_client),i.update_manager.add_poll(e,a.sync_state.last_rev),i._cached_objects[t]=a,r(null,a))}))},t}(),ie.FieldOpTransformer=C=function(){function t(t){var 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t.at!==e.at?[t,e]:(r=v.precedence(t.value,e.value),"left"===r?[t,null]:[null,e])},this._transforms.LP.LI=function(t,e){var r;return r=u(t),r.at+=e.before<=t.at?1:0,[r,e]},this._transforms.LP.LD=function(t,e){var r;return t.at===e.at?[null,e]:(r=u(t),r.at-=e.at<t.at?1:0,[r,e])},this._transforms.LP.LM=function(t,e){var r;return r=u(t),t.at===e.from?r.at=e.to:(r.at-=e.from<r.at?1:0,r.at+=e.to<=r.at?1:0),[r,e]},this._transforms.LI.LP=y(this._transforms.LP.LI),this._transforms.LI.LI=function(t,e){var r,n,i;return i=[u(t),u(e)],r=i[0],n=i[1],t.before<e.before?n.before+=1:r.before+=1,[r,n]},this._transforms.LI.LD=function(t,e){var r,n,i;return i=[u(t),u(e)],r=i[0],n=i[1],r.before-=e.at<t.before?1:0,n.at+=t.before<=e.at?1:0,[r,n]},this._transforms.LI.LM=function(t,e){var r,n,i,o;return o=[u(t),u(e)],n=o[0],i=o[1],t.before===e.to+1&&e.from<=e.to?[t,e]:t.before===e.to&&e.from>e.to?(n.before++,i.from++,[n,i]):(r=e.from<t.before?t.before-1:t.before,i.from+=t.before<=e.from?1:0,n.before=e.to<r?r+1:r,i.to+=r<=e.to?1:0,[n,i])},this._transforms.LD.LP=y(this._transforms.LP.LD),this._transforms.LD.LI=y(this._transforms.LI.LD),this._transforms.LD.LD=function(t,e){var r,n,i;return t.at===e.at?[null,null]:(i=[u(t),u(e)],r=i[0],n=i[1],t.at<e.at?n.at-=1:r.at-=1,[r,n])},this._transforms.LD.LM=function(t,e){var r,n,i;return t.at===e.from?(r=u(t),r.at=e.to,[r,null]):(i=[u(t),u(e)],r=i[0],n=i[1],r.at-=e.from<r.at?1:0,r.at+=e.to<=r.at?1:0,n.to+=n.from<n.to?1:0,n.from-=t.at<n.from?1:0,n.to-=t.at<n.to?1:0,n.to-=n.from<n.to?1:0,[r,n])},this._transforms.LM.LP=y(this._transforms.LP.LM),this._transforms.LM.LI=function(t,e){var r,n,i,o;return o=[u(t),u(e)],n=o[0],i=o[1],e.before===t.to+1&&t.from<=t.to?[t,e]:e.before===t.to&&t.from>t.to?(n.from++,n.to++,[n,i]):(r=t.from<e.before?e.before-1:e.before,n.from+=e.before<=t.from?1:0,i.before=t.to<r?r+1:r,n.to+=r<=t.to?1:0,[n,i])},this._transforms.LM.LD=y(this._transforms.LD.LM),this._transforms.LM.LM=function(t,e){var r,n,i,o,s,a,l,h,c,p,d;return t.from===e.from?t.to===e.to?[null,null]:e.from===e.to?[t,e]:(o=u(e),o.from=t.to,[null,o]):t.to===t.from?(i=u(t),i.from+=(e.to<=t.from)-(e.from<t.from),t.from===e.to&&e.from<e.to&&i.from--,i.to=i.from,[i,e]):e.to===e.from?(o=u(e),o.from+=(t.to<=e.from)-(t.from<e.from),o.to=o.from,[t,o]):(l=[u(t),u(e)],i=l[0],o=l[1],t.to===e.to&&t.from>t.to&&e.from>e.to?(i.to++,e.from>t.from?i.from++:o.from++,[i,o]):t.from===e.to&&e.from===t.to&&t.from<t.to?(o.from--,i.from++,[i,o]):t.from>t.to&&e.from<e.to&&e.to+1===t.to?[t,e]:(h=[t.to,t.from],s=h[0],r=h[1],s+=t.from<s?1:0,s-=e.from<s?1:0,s+=e.to<s?1:0,r-=e.from<r?1:0,r+=e.to<=r?1:0,s-=s>r?1:0,c=[e.to,e.from],a=c[0],n=c[1],a+=e.from<a?1:0,a-=t.from<a?1:0,a+=t.to<=a?1:0,n-=t.from<n?1:0,n+=t.to<=n?1:0,a-=a>n?1:0,p=[s,r],i.to=p[0],i.from=p[1],d=[a,n],o.to=d[0],o.from=d[1],[i,o]))}}var e,r,n,i,o,s,a,u,l,h,c,p,d,f,_,y,g,m,v;for(y=function(t){return ne(null!=t),function(e,r){var n,i,o;return o=t(r,e),n=o[0],i=o[1],[i,n]}},i=["null","bool","num","str","blob","ts","list"],o={},h=m=0,v=i.length;v>m;h=++m)g=i[h],o[g]=h;return l=function(t){if(null==t)return"null";if(te.is_bool(t))return"bool";if(null!=t.I||te.is_number(t))return"num";if(te.is_string(t))return"str";if(null!=t.B)return"blob";if(null!=t.T)return"ts";if(te.is_array(t))return"list";throw new Error("Unrecognized value "+t)},d=function(t){return te.is_number(t)||null!=t.I},s=function(t){return null!=t.I?parseInt(t.I):t},p=function(t,e){var r,n,i;for(r=n=0,i=t.length;i>=0?i>n:n>i;r=i>=0?++n:--n){if(r>=e.length)return!1;if(c(t[r],e[r]))return!0;if(c(e[r],t[r]))return!1}return e.length>t.length},t._is_less_than=c=function(t,e){var r,n;if(r=l(t),n=l(e),r!==n)return o[r]<o[n];if("null"===r)return!1;if("bool"===r)return e&&!t;if("num"===r)return null!=t.I&&null!=e.I?ie.int64_string_less_than(t.I,e.I):s(t)<s(e);if("str"===r)return e>t;if("blob"===r)return t.B<e.B;if("ts"===r)return parseInt(t.T,10)<parseInt(e.T,10);if("list"===r)return p(t,e);throw new Error("unknown type "+r)},t._compute_sum=a=function(t,e,r){var n,i,o,s,a,u;return n=null!=t.I&&null!=e.I&&null!=r.I,null!=t.I&&(t=parseInt(t.I)),null!=e.I&&(e=parseInt(e.I)),null!=r.I&&(r=parseInt(r.I)),s=0x8000000000000000,a=0x10000000000000000,u=0xfffffffffffff800,i=e-t,o=r+i,n&&(o>=s&&(o-=u),-s>o&&(o+=u),o={I:""+o}),o},_=function(t,e){return[null,e]},f=function(t){return[t,null]},r=["P","D","LC","LP","LI","LD","LM"],e=["LC","LP","LI","LD","LM"],t.copy=u=function(t){return T.from_array(JSON.parse(JSON.stringify(t)))},n={"default":function(){return"right"},remote:function(){return"right"},local:function(){return"left"},min:function(t,e){return c(t,e)?"left":"right"},max:function(t,e){return c(t,e)?"right":"left"},sum:function(){return"right"}},t.prototype.transform=function(t,e,r){var n,i,o,s,u;return null==r&&(r=null),"sum"===this.rule_name&&"P"===t.tag()&&"P"===e.tag()&&(null==r&&(r={I:"0"}),d(r)&&d(t.value)&&d(e.value))?(o=a(r,t.value,e.value),n=i=T.from_array(["P",o]),[n,i,e.value]):(s=this._transforms[t.tag()][e.tag()](t,e),u=function(){switch(e.tag()){case"P":return e.value;case"D":return null;default:return{L:!0}}}(),s.push(u),s)},t}(),ie.ChangeTransformer=i=function(){function t(){this._transform_rules={},this._default_transformer=new C}var e,r,i,o,s,a,u,l;for(e={},l=["default","local","remote","min","max","sum"],a=0,u=l.length;u>a;a++)i=l[a],e[i]=new C(i);return s=function(t){return ne(null!=t),function(e,r){var n,i,o;return o=t(r,e),n=o[0],i=o[1],[i,n]}},r=function(t){return t instanceof Array?t.slice():t},o=function(t,e){return t.tid===e.tid&&t.rowid===e.rowid},t.is_no_op=function(t){var e,r,n;if("U"!==t.tag())return!1;n=t.updates;for(r in n)return e=n[r],!1;return!0},t.compact=function(t){var e,r,n,i;for(e=[],n=0,i=t.length;i>n;n++)r=t[n],this.is_no_op(r)||e.push(r);return e},t.prototype.set_field_transformer=function(t,r,n){var i;return null==(i=this._transform_rules)[t]&&(i[t]={}),this._transform_rules[t][r]=e[n]},t.prototype.get_field_transformer=function(t,r){var n;return t in this._transform_rules?null!=(n=this._transform_rules[t][r])?n:this._default_transformer:e["default"]},t.prototype.transform_ii=function(t,e){var i,s,a;return o(t,e)?(i=function(t){var e,i,o,s,a;o={},a=t.fields;for(i in a)s=a[i],o[i]=T.from_array(["P",r(s)]);return e=n.from_array(["U",t.tid,t.rowid,o]),e.undo_extra={},e},s=i(t),a=i(e),this.transform_uu(s,a)):[[t],[e]]},t.prototype.transform_iu=function(t,e){return o(t,e)?ne(!1,"Couldn't have updated a row that hasn't been inserted yet!"):[[t],[e]]},t.prototype.transform_id=function(t,e){return o(t,e)?ne(!1,"Couldn't have deleted a row that hasn't been inserted 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RangeError("Bad index for list of length "+e+": "+t)},t.prototype.get=function(t){var e;return this._checkValid(),e=ie.clone(this._array()[this._fixIndex(t)]),ie.fromDsValue(void 0,void 0,void 0,e)},t.prototype.set=function(t,e){return this._checkValid(),t=this._fixIndex(t),this._storeUpdate(["LP",t,ie.toDsValue(e,!1)]),void 0},t.prototype.length=function(){return this._checkValid(),this._array().length},t.prototype.pop=function(){if(this._checkValid(),0===this._array().length)throw new Error("List is empty");return this.remove(this._array.length-1)},t.prototype.push=function(t){return this._checkValid(),this.insert(this._array().length,t),void 0},t.prototype.shift=function(){if(this._checkValid(),0===this._array().length)throw new Error("List is empty");return this.remove(0)},t.prototype.unshift=function(t){return this.insert(0,t),void 0},t.prototype.splice=function(){var t,e,r,n,i,o,s,a,u;if(n=arguments[0],e=arguments[1],t=3<=arguments.length?le.call(arguments,2):[],this._checkValid(),!te.is_json_number(e)||0>e)throw new RangeError("Bad second arg to splice: "+n+", "+e);for(n=this._fixInsertionIndex(n),i=this.slice(n,n+e),r=s=0;e>=0?e>s:s>e;r=e>=0?++s:--s)this.remove(n);for(a=0,u=t.length;u>a;a++)o=t[a],this.insert(n,o),n++;return i},t.prototype.move=function(t,e){return this._checkValid(),t=this._fixIndex(t),e=this._fixIndex(e),t===e?void 0:(this._storeUpdate(["LM",t,e]),void 0)},t.prototype.remove=function(t){var e;return this._checkValid(),t=this._fixIndex(t),e=this.get(t),this._storeUpdate(["LD",t]),e},t.prototype.insert=function(t,e){return this._checkValid(),t=this._fixInsertionIndex(t),this._storeUpdate(["LI",t,ie.toDsValue(e,!1)]),void 0},t.prototype.slice=function(t,e){var r;return this._checkValid(),function(){var n,i,o,s;for(o=this._array().slice(t,e),s=[],n=0,i=o.length;i>n;n++)r=o[n],s.push(ie.fromDsValue(void 0,void 0,void 0,r));return s}.call(this)},t.prototype.toArray=function(){var t;return this._checkValid(),function(){var e,r,n,i;for(n=this._array().slice(),i=[],e=0,r=n.length;r>e;e++)t=n[e],i.push(ie.fromDsValue(void 0,void 0,void 0,t));return i}.call(this)},t}(),x.Datastore.Record=function(){function t(t,e,r){this._datastore=t,this._tid=e,this._rid=r,this._deleted=!1,this._record_cache=this._datastore._record_cache,this._managed_datastore=this._datastore._managed_datastore}return t.prototype.get=function(t){var e;return this._checkNotDeleted(),e=this._rawFieldValues(),t in e?ie.fromDsValue(this._datastore,this,t,e[t]):null},t.prototype.set=function(t,e){var r;return r={},r[t]=e,this.update(r)},t.prototype.getOrCreateList=function(t){var e,r;if(this._checkNotDeleted(),r=this._rawFieldValues(),null==r[t])e={},e[t]=["LC"],this._storeUpdate(e),r=this._rawFieldValues();else if(!te.is_array(r[t]))throw new Error("Can't call getOrCreateList on field "+t+" for record ("+this.tid+", "+this.rid+"): existing value 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this.reset(),this._loaded=!1,this._authCode=t.code,!0}if(e=t.token_type){if(e=e.toLowerCase(),"bearer"!==e&&"mac"!==e)throw new Error("Unimplemented token type "+e);if(this.reset(),this._loaded=!1,"mac"===e){if("hmac-sha-1"!==t.mac_algorithm)throw new Error("Unimplemented MAC algorithms "+t.mac_algorithm);this._tokenKey=t.mac_key,this._tokenKid=t.kid}return this._token=t.access_token,!0}return!1},t.prototype.authHeader=function(t,e,r){var n,i;return null===this._token?(i=null===this._secret?x.Util.btoa(""+this._id+":"):x.Util.btoa(""+this._id+":"+this._secret),"Basic "+i):null===this._tokenKey?"Bearer "+this._token:(n=this.macParams(t,e,r),"MAC kid="+n.kid+" ts="+n.ts+" "+("access_token="+this._token+" mac="+n.mac))},t.prototype.addAuthParams=function(t,e,r){var n;return null===this._token?(r.client_id=this._id,null!==this._secret&&(r.client_secret=this._secret)):(null!==this._tokenKey&&(n=this.macParams(t,e,r),r.kid=n.kid,r.ts=n.ts,r.mac=n.mac),r.access_token=this._token),r},t.prototype.authorizeUrlParams=function(t,e){var r;if("token"!==t&&"code"!==t)throw new Error("Unimplemented /authorize response type "+t);return r={client_id:this._id,state:this._stateParam,response_type:t},e&&(r.redirect_uri=e),r},t.prototype.accessTokenParams=function(t){var e;return e={grant_type:"authorization_code",code:this._authCode},t&&(e.redirect_uri=t),e},t.queryParamsFromUrl=function(t){var e,r,n,i,o,s,a,u,l,h;if(i=/^[^?#]+(\?([^\#]*))?(\#(.*))?$/.exec(t),!i)return{};for(a=i[2]||"","/"===a.substring(0,1)&&(a=a.substring(1)),e=i[4]||"",r=e.indexOf("?"),-1!==r&&(e=e.substring(r+1)),"/"===e.substring(0,1)&&(e=e.substring(1)),s={},h=a.split("&").concat(e.split("&")),u=0,l=h.length;l>u;u++)n=h[u],o=n.indexOf("="),-1!==o&&(s[decodeURIComponent(n.substring(0,o))]=decodeURIComponent(n.substring(o+1)));return s},t.prototype.macParams=function(t,e,r){var n,i;return n={kid:this._tokenKid,ts:x.Util.Oauth.timestamp()},i=t.toUpperCase()+"&"+x.Util.Xhr.urlEncodeValue(e)+"&"+x.Util.Xhr.urlEncodeValue(x.Util.Xhr.urlEncode(r)),n.mac=x.Util.hmac(i,this._tokenKey),n},t.prototype.appHash=function(){return this._appHash?this._appHash:this._appHash=x.Util.sha1("oauth2-"+this._id).replace(/[\/+=]/g,"")},t.prototype.reset=function(){return this._stateParam=null,this._authCode=null,this._token=null,this._tokenKey=null,this._tokenKid=null,this._error=null,this},t.timestamp=function(){return Math.floor(Date.now()/1e3)},t.randomAuthStateParam=function(){return["oas",Date.now().toString(36),Math.random().toString(36)].join("_")},t}(),null==Date.now&&(x.Util.Oauth.timestamp=function(){return Math.floor((new Date).getTime()/1e3)}),2274814865e3===new Date("Fri, 31 Jan 2042 21:01:05 +0000").valueOf()?x.Util.parseDate=function(t){return new Date(t)}:2274814865e3===Date.parse("Fri, 31 Jan 2042 21:01:05 +0000")?x.Util.parseDate=function(t){return new Date(Date.parse(t))}:function(){var t,e;return e=/^\w+\, (\d+) (\w+) (\d+) (\d+)\:(\d+)\:(\d+) (\+\d+|UTC|GMT)$/,t={Jan:0,Feb:1,Mar:2,Apr:3,May:4,Jun:5,Jul:6,Aug:7,Sep:8,Oct:9,Nov:10,Dec:11},x.Util.parseDate=function(r){var n;return(n=e.exec(r))?new Date(Date.UTC(parseInt(n[3]),t[n[2]],parseInt(n[1]),parseInt(n[4]),parseInt(n[5]),parseInt(n[6]),0)):0/0}}(),x.Util.countUtf8Bytes=function(t){var e,r,n,i,o;for(e=0,n=i=0,o=t.length;o>=0?o>i:i>o;n=o>=0?++i:--i)r=t.charCodeAt(n),127>=r?e+=1:2047>=r?e+=2:r>=55296&&57343>=r?e+=2:65535>=r?e+=3:ne(!1);return e},x.Env.global.XMLHttpRequest?(!x.Env.global.XDomainRequest||"withCredentials"in new XMLHttpRequest?(w=XMLHttpRequest,v=!1,g="undefined"!=typeof FormData&&-1===navigator.userAgent.indexOf("Firefox")):(w=XDomainRequest,v=!0,g=!1),m=!0):(w=x.Env.require("xhr2"),v=!1,g=!1,m=!1),x.Env.global.Uint8Array)if(Object.getPrototypeOf?y=Object.getPrototypeOf(Object.getPrototypeOf(new Uint8Array(0))).constructor:Object.__proto__&&(y=new Uint8Array(0).__proto__.__proto__.constructor),x.Env.global.Blob){try{!function(){return 2===new Blob([new Uint8Array(2)]).size?(S=!0,b=!0):(b=!1,S=2===new Blob([new ArrayBuffer(2)]).size)}()}catch(he){b=!1,S=!1,x.Env.global.WebKitBlobBuilder&&-1!==navigator.userAgent.indexOf("Android")&&(g=!1)}y===Object&&(b=!1)}else S=!1,b=!0;else y=null,S=!1,b=!1;x.Util.Xhr=function(){function t(t,e){this.method=t,this.isGet="GET"===this.method,this.url=e,this.wantHeaders=!1,this.headers={},this.params=null,this.body=null,this.preflight=!(this.isGet||"POST"===this.method),this.signed=!1,this.completed=!1,this.responseType=null,this.callback=null,this.xhr=null,this.onError=null}return t.Request=w,t.ieXdr=v,t.canSendForms=g,t.doesPreflight=m,t.ArrayBufferView=y,t.sendArrayBufferView=b,t.wrapBlob=S,t.prototype.xhr=null,t.prototype.onError=null,t.prototype.setParams=function(t){if(this.signed)throw new Error("setParams called after addOauthParams or addOauthHeader");if(this.params)throw new Error("setParams cannot be called twice");return this.params=t,this},t.prototype.setCallback=function(t){return this.callback=t,this},t.prototype.signWithOauth=function(t,e){return x.Util.Xhr.ieXdr?this.addOauthParams(t):this.preflight||!x.Util.Xhr.doesPreflight?this.addOauthHeader(t):this.isGet&&e?this.addOauthHeader(t):this.addOauthParams(t)},t.prototype.addOauthParams=function(t){if(this.signed)throw new Error("Request already has an OAuth signature");return this.params||(this.params={}),t.addAuthParams(this.method,this.url,this.params),this.signed=!0,this},t.prototype.addOauthHeader=function(t){if(this.signed)throw new Error("Request already has an OAuth signature");return this.params||(this.params={}),this.signed=!0,this.setHeader("Authorization",t.authHeader(this.method,this.url,this.params))},t.prototype.setBody=function(t){if(this.isGet)throw new Error("setBody cannot be called on GET requests");if(null!==this.body)throw new Error("Request already has a body");return"string"==typeof t||"undefined"!=typeof FormData&&t instanceof FormData||(this.headers["Content-Type"]="application/octet-stream",this.preflight=!0),this.body=t,this},t.prototype.setResponseType=function(t){return this.responseType=t,this},t.prototype.setHeader=function(t,e){var r;if(this.headers[t])throw r=this.headers[t],new Error("HTTP header "+t+" already set to "+r);if("Content-Type"===t)throw new Error("Content-Type is automatically computed based on setBody");return this.preflight=!0,this.headers[t]=e,this},t.prototype.reportResponseHeaders=function(){return this.wantHeaders=!0},t.prototype.setFileField=function(t,e,r,n){var i,o,s,a,u;if(null!==this.body)throw new Error("Request already has a body");if(this.isGet)throw new Error("setFileField cannot be called on GET requests");if("object"==typeof r){"undefined"!=typeof ArrayBuffer&&(r instanceof ArrayBuffer?x.Util.Xhr.sendArrayBufferView&&(r=new Uint8Array(r)):!x.Util.Xhr.sendArrayBufferView&&0===r.byteOffset&&r.buffer instanceof ArrayBuffer&&(r=r.buffer)),n||(n="application/octet-stream");try{r=new Blob([r],{type:n})}catch(l){o=l,window.WebKitBlobBuilder&&(a=new WebKitBlobBuilder,a.append(r),(i=a.getBlob(n))&&(r=i))}"undefined"!=typeof File&&r instanceof File&&(r=new Blob([r],{type:r.type})),u=r instanceof Blob}else u=!1;return u?(this.body=new FormData,this.body.append(t,r,e)):(n||(n="application/octet-stream"),s=this.multipartBoundary(),this.headers["Content-Type"]="multipart/form-data; boundary="+s,this.body=["--",s,"\r\n",'Content-Disposition: form-data; name="',t,'"; filename="',e,'"\r\n',"Content-Type: ",n,"\r\n","Content-Transfer-Encoding: binary\r\n\r\n",r,"\r\n","--",s,"--","\r\n"].join(""))},t.prototype.multipartBoundary=function(){return[Date.now().toString(36),Math.random().toString(36)].join("----")},t.prototype.paramsToUrl=function(){var t;return this.params&&(t=x.Util.Xhr.urlEncode(this.params),0!==t.length&&(this.url=[this.url,"?",t].join("")),this.params=null),this},t.prototype.paramsToBody=function(){if(this.params){if(null!==this.body)throw new Error("Request already has a body");if(this.isGet)throw new Error("paramsToBody cannot be called on GET requests");this.headers["Content-Type"]="application/x-www-form-urlencoded",this.body=x.Util.Xhr.urlEncode(this.params),this.params=null}return this},t.prototype.prepare=function(){var t,e,r,n,i=this;if(e=x.Util.Xhr.ieXdr,this.isGet||null!==this.body||e?(this.paramsToUrl(),null!==this.body&&"string"==typeof this.body&&(this.headers["Content-Type"]="text/plain; charset=utf8")):this.paramsToBody(),this.xhr=new x.Util.Xhr.Request,e?(this.xhr.onload=function(){return i.onXdrLoad()},this.xhr.onerror=function(){return i.onXdrError()},this.xhr.ontimeout=function(){return i.onXdrError()},this.xhr.onprogress=function(){}):this.xhr.onreadystatechange=function(){return i.onReadyStateChange()},this.xhr.open(this.method,this.url,!0),!e){n=this.headers;for(t in n)se.call(n,t)&&(r=n[t],this.xhr.setRequestHeader(t,r))}return this.responseType&&("b"===this.responseType?this.xhr.overrideMimeType&&this.xhr.overrideMimeType("text/plain; charset=x-user-defined"):this.xhr.responseType=this.responseType),this},t.prototype.send=function(t){var e,r;if(this.callback=t||this.callback,null!==this.body){e=this.body,x.Util.Xhr.sendArrayBufferView?e instanceof ArrayBuffer&&(e=new Uint8Array(e)):0===e.byteOffset&&e.buffer instanceof ArrayBuffer&&(e=e.buffer);try{this.xhr.send(e)}catch(n){if(r=n,x.Util.Xhr.sendArrayBufferView||!x.Util.Xhr.wrapBlob)throw r;e=new Blob([e],{type:"application/octet-stream"}),this.xhr.send(e)}}else this.xhr.send();return this},t.urlEncode=function(t){var e,r,n;e=[];for(r in t)n=t[r],e.push(this.urlEncodeValue(r)+"="+this.urlEncodeValue(n));return e.sort().join("&")},t.urlEncodeValue=function(t){return encodeURIComponent(t.toString()).replace(/\!/g,"%21").replace(/'/g,"%27").replace(/\(/g,"%28").replace(/\)/g,"%29").replace(/\*/g,"%2A")},t.urlDecode=function(t){var e,r,n,i,o,s;for(r={},s=t.split("&"),i=0,o=s.length;o>i;i++)n=s[i],e=n.split("="),r[decodeURIComponent(e[0])]=decodeURIComponent(e[1]);return r},t.prototype.onReadyStateChange=function(){var t,e,r,n,i,o,s,a,u,l,h,c,p,d,f;if(4!==this.xhr.readyState)return!0;if(this.completed)return!0;if(this.completed=!0,this.xhr.status<200||this.xhr.status>=300)return e=new x.ApiError(this.xhr,this.method,this.url),this.onError?this.onError(e,this.callback):this.callback(e),!0;if(this.wantHeaders?(t=this.xhr.getAllResponseHeaders(),s=t?x.Util.Xhr.parseResponseHeaders(t):this.guessResponseHeaders(),h=s["x-dropbox-metadata"]):(s=void 0,h=this.xhr.getResponseHeader("x-dropbox-metadata")),null!=h?h.length:void 0)try{l=JSON.parse(h)}catch(_){if(u=_,o=h.search(/\}\,\s*\{/),-1!==o)try{h=h.substring(0,o+1),l=JSON.parse(h)}catch(_){u=_,l=void 0}else l=void 0}else l=void 0;if(this.responseType){if("b"===this.responseType){for(i=null!=this.xhr.responseText?this.xhr.responseText:this.xhr.response,r=[],a=d=0,f=i.length;f>=0?f>d:d>f;a=f>=0?++d:--d)r.push(String.fromCharCode(255&i.charCodeAt(a)));p=r.join(""),this.callback(null,p,l,s)}else this.callback(null,this.xhr.response,l,s);return!0}switch(p=null!=this.xhr.responseText?this.xhr.responseText:this.xhr.response,n=this.xhr.getResponseHeader("Content-Type"),n&&(c=n.indexOf(";"),-1!==c&&(n=n.substring(0,c))),n){case"application/x-www-form-urlencoded":this.callback(null,x.Util.Xhr.urlDecode(p),l,s);break;case"application/json":case"text/javascript":this.callback(null,JSON.parse(p),l,s);
    break;default:this.callback(null,p,l,s)}return!0},t.parseResponseHeaders=function(t){var e,r,n,i,o,s,a,u;for(n={},r=t.split("\n"),a=0,u=r.length;u>a;a++)i=r[a],e=i.indexOf(":"),o=i.substring(0,e).trim().toLowerCase(),s=i.substring(e+1).trim(),n[o]=s;return n},t.prototype.guessResponseHeaders=function(){var t,e,r,n,i,o;for(t={},o=["cache-control","content-language","content-range","content-type","expires","last-modified","pragma","x-dropbox-metadata"],n=0,i=o.length;i>n;n++)e=o[n],r=this.xhr.getResponseHeader(e),r&&(t[e]=r);return t},t.prototype.onXdrLoad=function(){var t,e,r;if(this.completed)return!0;if(this.completed=!0,r=this.xhr.responseText,t=this.wantHeaders?{"content-type":this.xhr.contentType}:void 0,e=void 0,this.responseType)return this.callback(null,r,e,t),!0;switch(this.xhr.contentType){case"application/x-www-form-urlencoded":this.callback(null,x.Util.Xhr.urlDecode(r),e,t);break;case"application/json":case"text/javascript":this.callback(null,JSON.parse(r),e,t);break;default:this.callback(null,r,e,t)}return!0},t.prototype.onXdrError=function(){var t;return this.completed?!0:(this.completed=!0,t=new x.ApiError(this.xhr,this.method,this.url),this.onError?this.onError(t,this.callback):this.callback(t),!0)},t}(),re="X-Dropbox-User-Agent",J="X-Dropbox-Request-Id",x.DatastoresClient={_dispatchDatastoreXhr:function(t,e,r,n,i,o){var s,a,l;return l=new x.Util.Xhr(t,e),i.setRequestId&&(a="xxxxxxxxxxxxxxxx".replace(/x/g,function(){return Math.floor(16*Math.random()).toString(16)}),l.setHeader(J,a)),ne(null==r[re]),r=ie.clone(r),r[re]="dropbox-js-datastore-sdk/"+u,l.setParams(r),l.signWithOauth(this.oauth,!1),s=function(t,e){var r;if(null!=t)return o(t);if(te.is_string(e)){console.log("Treating server response string as JSON:",e);try{e=JSON.parse(e)}catch(i){r=i,console.log("Error parsing response as JSON",r.stack)}}return o(null,n.fromJSON(e))},i.isLongPoll?this.dispatchLongPollXhr(l,s):this.dispatchXhr(l,s),l},_listDatastores:function(t){return this._dispatchDatastoreXhr("GET",this.urls.listDbs,{},N,{},t)},_getOrCreateDatastore:function(t,e){return this._dispatchDatastoreXhr("POST",this.urls.getOrCreateDb,{dsid:t},s,{},e)},_createDatastore:function(t,e,r){return this._dispatchDatastoreXhr("POST",this.urls.createDb,{dsid:t,key:e},s,{},r)},_getDatastore:function(t,e){return this._dispatchDatastoreXhr("GET",this.urls.getDb,{dsid:t},I,{},e)},_deleteDatastore:function(t,e){return this._dispatchDatastoreXhr("POST",this.urls.deleteDb,{handle:t},E,{setRequestId:!0},e)},_putDelta:function(t,e,r){return this._dispatchDatastoreXhr("POST",this.urls.putDelta,{handle:t,rev:e.rev,nonce:e.nonce,changes:JSON.stringify(e.changes)},q,{setRequestId:!0},r)},_getSnapshot:function(t,e){return this._dispatchDatastoreXhr("GET",this.urls.getSnapshot,{handle:t},P,{},e)},_datastoreAwait:function(e,r,n){return this._dispatchDatastoreXhr("GET",this.urls.datastoreAwait,{get_deltas:JSON.stringify({cursors:e}),list_datastores:JSON.stringify({token:r})},t,{isLongPoll:!0},n)},getDatastoreManager:function(){var t,e=this;return null==this._datastoreManager&&(this._datastoreManager=new x.Datastore.DatastoreManager(this),t=function(){return e.authStep===x.Client.SIGNED_OUT?(e._datastoreManager.close(),e._datastoreManager=null,e.onAuthStepChange.removeListener(t)):void 0},this.onAuthStepChange.addListener(t)),this._datastoreManager}},function(){var t,e,r,n;r=x.DatastoresClient,n=[];for(e in r)t=r[e],n.push(x.Client.prototype[e]=t);return n}(),x.File.PublicUrl=x.File.ShareUrl,x.UserInfo=x.AccountInfo}.call(this);
    /* Content from: https://www.dropbox.com/static/api/dropbox-datastores-1.0-latest.js : End */

    jStorage.providers.dropbox = {
    	init: function (wrapper, config) {
        	// As we know that jStorage dropbox storage module requires an appKey, make sure we have it before going any future.
        	if (!('appKey' in config)) {
        		throw 'Argument "config" need a property called "appKey". Get yours from: https://dropbox.com/developers/apps';
        	}
        	var self = this;
            this._config = config;
            this._hasCallback = config && typeof (config.callback) === "function";

            this.client = new Dropbox.Client({ key: config.appKey });

            // Try to complete OAuth flow.
            this.client.authenticate({ interactive: false }, function (error) {
                // TODO: Should we force authentication here so developers know everything is ready in the next step?

                // Dropbox API provides the param 'error' above to check if we are authenticated - unfortunately,
                // it always returns true. So to test if we are authenticated we do a request for a nonexisting
                // file. If we get a 404 back, we are authenticated. Otherwise we get a 403 back and need to
                // initiate a new authentication.
                self.client.readFile("", function (error2, data) {
                    var callStatus = false;
                    if (!error2 || error2.status == 404) {
                        callStatus = {
                            'isOK': !error,
                            'code': 0,
                            'msg': ''
                        };
                        if (self._hasCallback) {
                            self._config.callback(wrapper, callStatus);
                        }
                    } else {
                        self.client.authenticate(function (error3, client) {
                            if (!error3) {
                                callStatus = {
                                    'isOK': !error,
                                    'code': 0,
                                    'msg': ''
                                };
                            } else {
                                if (error3.status == 401) {
                                    // App doesn't have access
                                    callStatus = {
                                        'isOK': false,
                                        'code': 401,
                                        'msg': error3.response.error
                                    };
                                } else {
                                    // Unknown error
                                    callStatus = {
                                        'isOK': false,
                                        'code': 0,
                                        'msg': error3.response.error
                                    };
                                }
                            }
                            if (self._hasCallback) {
								try{
	                                self._config.callback(wrapper, callStatus);
								} catch (e) {
									// TODO: handle error
								}
                            }
                        });
                    }
                });

            });
        },
        get: function (name, callback) {
            var self = this;
            var hasCallback = typeof (callback) === "function";

            this.client.readFile(name, function (error, content, info) {
                if (error) {
                    // TODO: use a general error handling
                    var obj = {
                        'name': name,
                        'size': 0,
                        'mime-type': '',
                        'modified': new Date(),
                        'data': null
                    };
                    var callStatus = {
                        'isOK': false,
                        'code': -1,
                        'msg': error.response.error
                    };

                    if (hasCallback) {
                        callback(obj, callStatus);
                    }
                } else {
                    var obj = {
                        'name': info.path,
                        'size': info.size,
                        'mime-type': info.mimeType,
                        'modified': info.modifiedAt,
                        'data': content
                    };
                    var callStatus = {
                        'isOK': true,
                        'code': 0,
                        'msg': ''
                    };

                    if (hasCallback) {
                        callback(obj, callStatus);
                    }
                }
            });
        },
        set: function (name, content, callback) {
            var self = this;
            var hasCallback = typeof (callback) === "function";

            this.client.writeFile(name, content, function (error, info) {
                if (error) {
                    // TODO: use a general error handling
                    var obj = {
                        'name': name,
                        'size': 0,
                        'mime-type': '',
                        'modified': new Date()
                    };
                    var callStatus = {
                        'isOK': false,
                        'code': -1,
                        'msg': error.response.error
                    };

                    if (hasCallback)
                    {
                        callback(obj, callStatus);
                    }
                } else {
                    var obj = {
                        'name': info.path,
                        'size': info.size,
                        'mime-type': info.mimeType,
                        'modified': info.modifiedAt
                    };
                    var callStatus = {
                        'isOK': true,
                        'code': 0,
                        'msg': ''
                    };

                    if (hasCallback) {
                        callback(obj, callStatus);
                    }
                }
            });
        },
        move: function (currentName, newName, callback) {
        	var self = this;
        	var hasCallback = typeof (callback) === "function";

        	this.client.move(currentName, newName, function (error, info) {
        		if (error) {
        			// TODO: use a general error handling
        			var callStatus = {
        				'isOK': false,
        				'code': -1,
        				'msg': error.response.error
        			};

        			if (hasCallback) {
        				callback(callStatus);
        			}
        		} else {
        			var callStatus = {
        				'isOK': true,
        				'code': 0,
        				'msg': ''
        			};

        			if (hasCallback) {
        				callback(callStatus);
        			}
        		}
        	});
        },
        del: function (name, callback) {
            var self = this;
            var hasCallback = typeof (callback) === "function";

            this.client.delete(name, function (error, info) {
                if (error) {
                    var callStatus = {
                        'isOK': false,
                        'code': -1,
                        'msg': error.response.error
                    };
                    if (hasCallback) {
                        callback(callStatus);
                    }
                } else {
                    var callStatus = {
                        'isOK': true,
                        'code': 0,
                        'msg': ''
                    };

                    if (hasCallback) {
                        callback(callStatus);
                    }
                }
            });
        },
        list: function (name, callback) {
            var self = this;
            var hasCallback = typeof (callback) === "function";

            this.client.readdir(name, function (error, filenames, dirInfo, fileInfos) {
                var lists = [];

				// If there is an error and it was not just the 404 (page not found) error, return error message.
                if (error && error.status != 404) {
                    var callStatus = {
                        'isOK': false,
                        'code': -1,
                        'msg': error.response.error
                    };
                    if (hasCallback) {
                        callback(lists, callStatus);
                    }
                } else {
					// Only loop trough fileinfos if we have them (We don't have them for 404 for example)
	                if (fileInfos) {
		                for (var i = 0; i < fileInfos.length; i++) {
		                	var info = fileInfos[i];
			                lists.push({
			                	'path': info.path,
								'name': info.name,
				                'size': info.size,
				                'mime-type': info.mimeType,
				                'modified': info.modifiedAt
			                });
		                }
	                }

	                var callStatus = {
                        'isOK': lists.length ? true : false,
                        'code': 0,
                        'msg': ''
                    };

                    if (hasCallback) {
                        callback(lists, callStatus);
                    }
                }
            });
        },
        exists: function (name, callback) {
            var self = this;
            var hasCallback = typeof (callback) === "function";

            this.client.readFile(name, function (error, content, info) {
                if (error) {
                    if (error.status == 404) {
                        var callStatus = {
                            'isOK': true,
                            'code': 0,
                            'msg': ''
                        };

                        if (hasCallback) {
                            // File didn't exist
                            callback(false, callStatus);
                        }
                    } else {
                        var callStatus = {
                            'isOK': false,
                            'code': -1,
                            'msg': error.response.error
                        };

                        if (hasCallback) {
                            callback(false, callStatus);
                        }
                    }
                } else {

                    var callStatus = {
                        'isOK': true,
                        'code': 0,
                        'msg': ''
                    };

                    if (hasCallback) {
                        // File exists
                        callback(true, callStatus);
                    }
                }
            });
        }
        //,
        //userInfo: function () {
        //    var self = this;

        //    this.client.getAccountInfo(function (error, info, info2) {
        //        if (error) {
        //            var callStatus = {
        //                'isOK': false,
        //                'code': -1,
        //                'msg': error.response.error
        //            };
        //            callback(callStatus);
        //        } else {
        //            var callStatus = {
        //                'isOK': true,
        //                'code': 0,
        //                'msg': ''
        //            };

        //            // info contains developer info?
        //            //{
        //            //    "name":"My Flowertwig",
        //            //    "email":"email@example.com",
        //            //    "countryCode":"SE",
        //            //    "uid":"565098345953045",
        //            //    "publicAppUrl":null,
        //            //    "referralUrl":"https://db.tt/tNxE1Fpp",
        //            //    "quota":79188459520,
        //            //    "privateBytes":1596075295,
        //            //    "sharedBytes":0,
        //            //    "usedQuota":1596075295
        //            //}

        //            // info contains user info?
        //            //{
        //            //    "referral_link":"https://db.tt/tNxE1Fpp",
        //            //    "display_name":"My Flowertwig",
        //            //    "uid":565098345953045,
        //            //    "country":"SE",
        //            //    "quota_info":
        //            //    {
        //            //        "datastores":0,
        //            //        "shared":0,
        //            //        "quota":79188459520,
        //            //        "normal":1596075295
        //            //    },
        //            //    "email":"email@example.com"
        //            //}

        //            callback(callStatus);
        //        }
        //    });
        //}
    };
})(jStorage);