Merge pull request #6 from dfinity-lab/sj/inter-canister-calls

update: User inter-canister calls [SDK-702]

.travis.yml

@@ -5,7 +5,7 @@ install:
 - sudo sh /tmp/install-node.sh
 - travis_retry sudo apt-get install -y nodejs
 - travis_retry wget https://sdk.dfinity.org/install.sh -O /tmp/install-sdk.sh
-- DFX_VERSION=0.4.13 sh -c 'yes Y | sh /tmp/install-sdk.sh'
+- sh -c 'yes Y | sh /tmp/install-sdk.sh'
 - export PATH=/home/$USER/bin:$PATH
 script:
 - sh bootstrap.sh

dfx.json

@@ -19,9 +19,8 @@
             "output": "canisters"
         },
         "start": {
-            "address": "0.0.0.0",
+            "address": "127.0.0.1",
             "port": 8000
         }
-    },
-    "version": 1
+    }
 }

package.json

@@ -1,16 +1,20 @@
 {
     "author": "Enzo Haussecker",
     "dependencies": {
+        "animate.css": "^3.7.2",
         "bootstrap": "^4.3.1",
         "copy-webpack-plugin": "^5.1.1",
+        "font-awesome": "^4.7.0",
         "jquery": "^3.4.1",
-        "jquery-backstretch": "^2.1.18",
         "popper.js": "^1.16.0",
+        "showdown": "^1.9.1",
         "tweetnacl": "^1.0.1",
         "typed.js": "^2.0.11",
         "wowjs": "^1.1.3"
     },
     "devDependencies": {
+        "css-loader": "^3.4.2",
+        "style-loader": "^1.1.2",
         "terser-webpack-plugin": "2.2.2",
         "webpack": "4.41.3",
         "webpack-cli": "3.3.10"

src/graph/database.mo

@@ -0,0 +1,44 @@
+import Array "mo:stdlib/array";
+import HashMap "mo:stdlib/hashMap";
+import Hash "mo:stdlib/hash";
+import Iter "mo:stdlib/iter";
+import List "mo:stdlib/list";
+import Nat "mo:stdlib/nat";
+import Option "mo:stdlib/option";
+
+import Types "./types";
+
+module {
+  type Entry = Types.Entry;
+  type EntryId = Types.EntryId;
+
+  public class Entries() {
+
+    func natEq(x : Nat32, y : Nat32) : Bool { x == y };
+    func hashEntryId(x : EntryId) : Hash.Hash { Nat.toWord32(Nat.fromNat32(x)) };
+    let hashMap = HashMap.HashMap<EntryId, Entry>(1, natEq, hashEntryId);
+
+    public func addConnection(fromUser : EntryId, toUser : EntryId) {
+      let entry = getEntry(fromUser);
+      let updated : Entry = {
+        id = entry.id;
+        connections = Array.append<EntryId>(entry.connections, [toUser]);
+        invitations = entry.invitations;
+      };
+      ignore hashMap.set(fromUser, updated);
+    };
+
+    func getEntry(entryId : EntryId) : Entry {
+      let existing = hashMap.get(entryId);
+      switch (existing) {
+        case (?existing) { existing };
+        case (null) { { id = entryId; connections = []; invitations = []; } };
+      };
+    };
+
+    public func getConnections(userId : EntryId) : [EntryId] {
+      let entry = getEntry(userId);
+      entry.connections
+    };
+  };
+};