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* feat: replaced aws-sdk with a dedicated `@aws-sdk/client-neptune` and our `hckFetch` request handler * chore: prettier ignore package-lock.json * chore: removed unused method
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -4,3 +4,4 @@ | |
| release | ||
| node_modules | ||
| package.json | ||
| package-lock.json | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,149 +1,148 @@ | ||
| const { isEmpty, isString, get } = require('lodash'); | ||
|
|
||
| const DEFAULT_INDENT = ' '; | ||
| let graphName = 'g'; | ||
| const graphName = 'g'; | ||
|
|
||
| module.exports = _ => { | ||
| const generateVertex = (collection, vertexData) => { | ||
| const vertexName = transformToValidGremlinName(collection.collectionName); | ||
| const propertiesScript = addPropertiesScript(collection, vertexData); | ||
| const transformToValidGremlinName = name => { | ||
| const DEFAULT_NAME = 'New_vertex'; | ||
| const DEFAULT_PREFIX = 'v_'; | ||
|
|
||
| return `${graphName}.addV(${JSON.stringify(vertexName)})${propertiesScript}`; | ||
| }; | ||
| if (!name || !isString(name)) { | ||
| return DEFAULT_NAME; | ||
| } | ||
|
|
||
| const generateVertices = (collections, jsonData) => { | ||
| const vertices = collections.map(collection => { | ||
| const vertexData = JSON.parse(jsonData[collection.GUID]); | ||
| const nameWithoutSpecialCharacters = name.replace(/[\s`~!@#%^&*()_|+\-=?;:'",.<>{}[\]\\/]/gi, '_'); | ||
| const startsFromDigit = nameWithoutSpecialCharacters.match(/^\d.*$/); | ||
|
|
||
| return generateVertex(collection, vertexData); | ||
| }); | ||
| if (startsFromDigit) { | ||
| return `${DEFAULT_PREFIX}_${nameWithoutSpecialCharacters}`; | ||
| } | ||
|
|
||
| const script = vertices.join(';\n\n'); | ||
| if (!script) { | ||
| return ''; | ||
| } | ||
| return nameWithoutSpecialCharacters; | ||
| }; | ||
|
|
||
| return script + ';'; | ||
| }; | ||
| const generateVertex = (collection, vertexData) => { | ||
| const vertexName = transformToValidGremlinName(collection.collectionName); | ||
| const propertiesScript = addPropertiesScript(collection, vertexData); | ||
|
|
||
| const generateEdge = (from, to, relationship, edgeData) => { | ||
| const edgeName = transformToValidGremlinName(relationship.name); | ||
| const propertiesScript = addPropertiesScript(relationship, edgeData, { cardinality: false }); | ||
| return `${graphName}.addV(${JSON.stringify(vertexName)})${propertiesScript}`; | ||
| }; | ||
|
|
||
| const generateVertices = (collections, jsonData) => { | ||
| const vertices = collections.map(collection => { | ||
| const vertexData = JSON.parse(jsonData[collection.GUID]); | ||
|
|
||
| return `${graphName}.addE(${JSON.stringify(edgeName)}).\n${DEFAULT_INDENT}from(${from}).\n${DEFAULT_INDENT}to(${to})${propertiesScript}`; | ||
| }; | ||
| return generateVertex(collection, vertexData); | ||
| }); | ||
|
|
||
| const getVertexVariableScript = vertexName => `${graphName}.V().hasLabel(${JSON.stringify(vertexName)})`; | ||
| const script = vertices.join(';\n\n'); | ||
| if (!script) { | ||
| return ''; | ||
| } | ||
|
|
||
| const generateEdges = (collections, relationships, jsonData) => { | ||
| const edges = relationships.reduce((edges, relationship) => { | ||
| const parentCollection = collections.find(collection => collection.GUID === relationship.parentCollection); | ||
| const childCollection = collections.find(collection => collection.GUID === relationship.childCollection); | ||
| if (!parentCollection || !childCollection) { | ||
| return edges; | ||
| } | ||
| const from = transformToValidGremlinName(parentCollection.collectionName); | ||
| const to = transformToValidGremlinName(childCollection.collectionName); | ||
| const edgeData = JSON.parse(jsonData[relationship.GUID]); | ||
| return script + ';'; | ||
| }; | ||
|
|
||
| return edges.concat( | ||
| generateEdge(getVertexVariableScript(from), getVertexVariableScript(to), relationship, edgeData), | ||
| ); | ||
| }, []); | ||
| const generateEdge = (from, to, relationship, edgeData) => { | ||
| const edgeName = transformToValidGremlinName(relationship.name); | ||
| const propertiesScript = addPropertiesScript(relationship, edgeData, { cardinality: false }); | ||
|
|
||
| if (_.isEmpty(edges)) { | ||
| return ''; | ||
| return `${graphName}.addE(${JSON.stringify(edgeName)}).\n${DEFAULT_INDENT}from(${from}).\n${DEFAULT_INDENT}to(${to})${propertiesScript}`; | ||
| }; | ||
|
|
||
| const getVertexVariableScript = vertexName => `${graphName}.V().hasLabel(${JSON.stringify(vertexName)})`; | ||
|
|
||
| const generateEdges = (collections, relationships, jsonData) => { | ||
| const edges = relationships.reduce((edges, relationship) => { | ||
| const parentCollection = collections.find(collection => collection.GUID === relationship.parentCollection); | ||
| const childCollection = collections.find(collection => collection.GUID === relationship.childCollection); | ||
| if (!parentCollection || !childCollection) { | ||
| return edges; | ||
| } | ||
| const from = transformToValidGremlinName(parentCollection.collectionName); | ||
| const to = transformToValidGremlinName(childCollection.collectionName); | ||
| const edgeData = JSON.parse(jsonData[relationship.GUID]); | ||
|
|
||
| return edges.join(';\n\n') + ';'; | ||
| }; | ||
| return edges.concat( | ||
| generateEdge(getVertexVariableScript(from), getVertexVariableScript(to), relationship, edgeData), | ||
| ); | ||
| }, []); | ||
|
|
||
| const addPropertiesScript = (collection, vertexData, features = { cardinality: true }) => { | ||
| const properties = _.get(collection, 'properties', {}); | ||
| if (isEmpty(edges)) { | ||
| return ''; | ||
| } | ||
|
|
||
| return Object.keys(properties).reduce((script, name) => { | ||
| const property = properties[name]; | ||
| return edges.join(';\n\n') + ';'; | ||
| }; | ||
|
|
||
| return script + createProperty(property, name, vertexData[name], features); | ||
| }, ''); | ||
| }; | ||
| const addPropertiesScript = (collection, vertexData, features = { cardinality: true }) => { | ||
| const properties = get(collection, 'properties', {}); | ||
|
|
||
| const createProperty = (property, name, vertexData, features) => { | ||
| const type = property.type; | ||
| return Object.keys(properties).reduce((script, name) => { | ||
| const property = properties[name]; | ||
|
|
||
| if (type === 'multi-property') { | ||
| return convertSet(property, name, vertexData, features); | ||
| } | ||
| return script + createProperty(property, name, vertexData[name], features); | ||
| }, ''); | ||
| }; | ||
|
|
||
| const valueScript = convertPropertyValue(property, 2, type, vertexData); | ||
| const cardinality = features.cardinality ? `${property.propCardinality || 'single'}, ` : ''; | ||
|
|
||
| return `.\n${DEFAULT_INDENT}property(${cardinality}${JSON.stringify(name)}, ${valueScript})`; | ||
| }; | ||
|
|
||
| const convertSet = (property, name, vertexData, features) => { | ||
| const items = Array.isArray(property.items) ? property.items : [property.items]; | ||
|
|
||
| return items | ||
| .map((item, i) => | ||
| createProperty( | ||
| { ...item, propCardinality: 'set' }, | ||
| name, | ||
| Array.isArray(vertexData) ? vertexData[i] || '' : '', | ||
| features, | ||
| ), | ||
| ) | ||
| .join(''); | ||
| }; | ||
|
|
||
| const convertDate = value => `datetime("${value}")`; | ||
|
|
||
| const convertNumber = (property, value) => { | ||
| const mode = property.mode; | ||
| const numberValue = JSON.stringify(value); | ||
|
|
||
| switch (mode) { | ||
| case 'double': | ||
| return `${numberValue}d`; | ||
| case 'float': | ||
| return `${numberValue}f`; | ||
| case 'long': | ||
| return `${numberValue}l`; | ||
| default: | ||
| return numberValue; | ||
| } | ||
| }; | ||
|
|
||
| const convertPropertyValue = (property, level, type, value) => { | ||
| switch (type) { | ||
| case 'date': | ||
| return convertDate(value); | ||
| case 'number': | ||
| return convertNumber(property, value); | ||
| } | ||
| const createProperty = (property, name, vertexData, features) => { | ||
| const type = property.type; | ||
|
|
||
| return `${JSON.stringify(value === undefined ? '' : value)}`; | ||
| }; | ||
| if (type === 'multi-property') { | ||
| return convertSet(property, name, vertexData, features); | ||
| } | ||
|
|
||
| const transformToValidGremlinName = name => { | ||
| const DEFAULT_NAME = 'New_vertex'; | ||
| const DEFAULT_PREFIX = 'v_'; | ||
| const valueScript = convertPropertyValue(property, 2, type, vertexData); | ||
| const cardinality = features.cardinality ? `${property.propCardinality || 'single'}, ` : ''; | ||
|
|
||
| if (!name || !_.isString(name)) { | ||
| return DEFAULT_NAME; | ||
| } | ||
| return `.\n${DEFAULT_INDENT}property(${cardinality}${JSON.stringify(name)}, ${valueScript})`; | ||
| }; | ||
|
|
||
| const nameWithoutSpecialCharacters = name.replace(/[\s`~!@#%^&*()_|+\-=?;:'",.<>\{\}\[\]\\\/]/gi, '_'); | ||
| const startsFromDigit = nameWithoutSpecialCharacters.match(/^[0-9].*$/); | ||
| const convertSet = (property, name, vertexData, features) => { | ||
| const items = Array.isArray(property.items) ? property.items : [property.items]; | ||
|
|
||
| return items | ||
| .map((item, i) => | ||
| createProperty( | ||
| { ...item, propCardinality: 'set' }, | ||
| name, | ||
| Array.isArray(vertexData) ? vertexData[i] || '' : '', | ||
| features, | ||
| ), | ||
| ) | ||
| .join(''); | ||
| }; | ||
|
|
||
| if (startsFromDigit) { | ||
| return `${DEFAULT_PREFIX}_${nameWithoutSpecialCharacters}`; | ||
| } | ||
| const convertDate = value => `datetime("${value}")`; | ||
|
|
||
| const convertNumber = (property, value) => { | ||
| const mode = property.mode; | ||
| const numberValue = JSON.stringify(value); | ||
|
|
||
| switch (mode) { | ||
| case 'double': | ||
| return `${numberValue}d`; | ||
| case 'float': | ||
| return `${numberValue}f`; | ||
| case 'long': | ||
| return `${numberValue}l`; | ||
| default: | ||
| return numberValue; | ||
| } | ||
| }; | ||
|
|
||
| return nameWithoutSpecialCharacters; | ||
| }; | ||
| const convertPropertyValue = (property, level, type, value) => { | ||
| switch (type) { | ||
| case 'date': | ||
| return convertDate(value); | ||
| case 'number': | ||
| return convertNumber(property, value); | ||
| } | ||
|
|
||
| return `${JSON.stringify(value === undefined ? '' : value)}`; | ||
| }; | ||
|
|
||
| return { | ||
| transformToValidGremlinName, | ||
| generateVertices, | ||
| generateEdges, | ||
| }; | ||
| module.exports = { | ||
| generateVertices, | ||
| generateEdges, | ||
| }; |
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