89 lines
2.8 KiB
JavaScript
89 lines
2.8 KiB
JavaScript
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var Backbone = require('backbone');
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var nodeIds = require('builder/value-objects/analysis-node-ids');
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var AnalysisDefinitionModel = require('./analysis-definition-model');
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/**
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* Collection of analysis definitions.
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*/
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module.exports = Backbone.Collection.extend({
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model: function (d, opts) {
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var self = opts.collection;
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var m = new AnalysisDefinitionModel(d, {
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parse: true,
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collection: self, // used implicitly, for model to use collection.url()
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analysisDefinitionNodesCollection: self._analysisDefinitionNodesCollection
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});
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return m;
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},
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initialize: function (models, options) {
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if (!options.configModel) throw new Error('configModel is required');
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if (!options.vizId) throw new Error('vizId is required');
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if (!options.analysisDefinitionNodesCollection) throw new Error('analysisDefinitionNodesCollection is required');
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this._configModel = options.configModel;
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this._vizId = options.vizId;
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this._analysisDefinitionNodesCollection = options.analysisDefinitionNodesCollection;
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},
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url: function () {
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var baseUrl = this._configModel.get('base_url');
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return baseUrl + '/api/v3/viz/' + this._vizId + '/analyses';
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},
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findAnalysisThatContainsNode: function (nodeDefModel) {
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return this.findWhere({node_id: nodeDefModel.id}) ||
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this.find(function (m) {
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return m.containsNode(nodeDefModel);
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});
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},
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findAnalysisForLayer: function (layerDefModel) {
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var layerLetter = layerDefModel.get('letter');
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return this.find(function (m) {
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var letter = nodeIds.letter(m.get('node_id'));
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return letter === layerLetter;
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});
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},
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newAnalysisForNode: function (nodeDefModel) {
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return this.add({analysis_definition: nodeDefModel.toJSON()});
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},
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/**
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* @param {object} layerDefModel - instance of an analysis-definition-node-model
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* @return {jqXHR, undefined} A promise if created a new analysis
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*/
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saveAnalysisForLayer: function (layerDefModel) {
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if (!layerDefModel) throw new Error('layerDefModel is required');
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var nodeDefModel = layerDefModel.getAnalysisDefinitionNodeModel();
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var analysisDefModel = this.findAnalysisForLayer(layerDefModel);
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if (layerDefModel.isOwnerOfAnalysisNode(nodeDefModel)) {
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if (analysisDefModel) {
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analysisDefModel.set('node_id', nodeDefModel.id);
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} else {
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analysisDefModel = this.add({analysis_definition: nodeDefModel.toJSON()});
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}
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} else {
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if (analysisDefModel) {
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analysisDefModel.destroy(); // layer's node is owned by another layer, so the existing analysis should be deleted
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}
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}
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this.each(function (analysisDefModel) {
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if (analysisDefModel.containsNode(nodeDefModel)) {
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analysisDefModel.save();
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}
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});
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return analysisDefModel;
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}
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});
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