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1 "use strict";
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2
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3 App.module("DataModule", function(DataModule, App, Backbone, Marionette, $, _, Logger) {
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4 DataModule.addInitializer(function(){
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5 //var logger = Logger.get("DataModule.DynamicDefinition");
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6
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7 DataModule.DynamicDefinitionProvider = Marionette.Object.extend({
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8
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9 options: {
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10 DynamicDefinition: undefined,
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11 apiMethod: undefined,
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12 customAttributesWhenNotApplicable: undefined,
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13 customAttributesWhileBeingUpdated: undefined,
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14 customAttributesWhenIsFaulty: undefined,
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15 },
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16
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17 // These methods are defined in children prototypes
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18 definitionIsFaulty: function(definition) {},
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19 definitionIsBeingUpdated: function(definition) {},
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20 configParametersToRequestParameters: function(config) {},
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21 apiResponseToDynamicDefinitionAttributes: function(data, query) {},
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22
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23 initialize: function() {
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24 //this.options = options;
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25 this._dynamicDefinitionsByEntityConfigClientId = {};
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26 this._requestHashesByParameterHash = {};
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27 this._requestParametersByRequestHash = {};
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28 this._cachedAttributesByRequestHash = {};
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29 },
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30
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31 get: function(entityConfig) {
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32 var clientId = entityConfig.getClientId();
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33 var definition = this._dynamicDefinitionsByEntityConfigClientId[clientId];
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34
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35 if (!definition) {
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36 definition = new this.options.DynamicDefinition({}, {
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37 entityConfig: entityConfig,
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38 provider: this,
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39 });
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40 this._dynamicDefinitionsByEntityConfigClientId[clientId] = definition;
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41 }
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42
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43 return definition;
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44 },
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45
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46 retire: function (entityConfigClientId) {
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47 var definitionToRetire = this._dynamicDefinitionsByEntityConfigClientId[entityConfigClientId];
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48 definitionToRetire.destroy();
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49 delete this._dynamicDefinitionsByEntityConfigClientId[entityConfigClientId];
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50 },
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51
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52 updateResponseForRequestHash: function(requestHash) {
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53 var requestParameters = this._requestParametersByRequestHash[requestHash];
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54
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55 if (requestParameters === null) {
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56 this._cachedAttributesByRequestHash[requestHash] = _.clone(this.options.customAttributesWhenNotApplicable);
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57 this.trigger("change:" + requestHash);
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58 return;
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59 }
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60
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61 this._cachedAttributesByRequestHash[requestHash] = _.clone(this.options.customAttributesWhileBeingUpdated);
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62 this.trigger("change:" + requestHash);
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63
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64 var provider = this;
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65 App.DataModule.CliopatriaAPI.request(this.options.apiMethod, requestParameters, function(data, query){
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66 var attributes = provider.apiResponseToAttributes(data, query);
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67 provider._cachedAttributesByRequestHash[requestHash] = attributes;
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68 provider.trigger("change:" + requestHash);
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69 });
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70 }
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71 });
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72 });
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73
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74 }, Logger);
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