Daniel@0: "use strict";
Daniel@0: 
Daniel@0: App.module("DataModule", function(DataModule, App, Backbone, Marionette, $, _, Logger) {
Daniel@0:     // Prevent auto start
Daniel@0:     //CollectionDefinitionProvider.startWithParent = false;
Daniel@0: 
Daniel@0:     // Define private variables
Daniel@0:     var logger = null;
Daniel@0: 
Daniel@0:     /**
Daniel@0:      * Module initializer
Daniel@0:      *
Daniel@0:      */
Daniel@0:     DataModule.addInitializer(function(){
Daniel@0: 
Daniel@0:         logger = Logger.get("App.DataModule");
Daniel@0: 
Daniel@0:         DataModule.DynamicDefinitionForCollection = DataModule.DynamicDefinition.extend({});
Daniel@0:         DataModule.DynamicDefinitionProviderForCollections = DataModule.DynamicDefinitionProvider.extend({
Daniel@0: 
Daniel@0:             options: {
Daniel@0:                 DynamicDefinition:                 DataModule.DynamicDefinitionForCollection,
Daniel@0:                 apiMethod:                         "getCollectionId",
Daniel@0:                 customAttributesWhenNotApplicable: {id: undefined},
Daniel@0:                 customAttributesWhileBeingUpdated: {id: null, sampleSize: null, fullSize: null},
Daniel@0:                 customAttributesWhenFaulty:        {id: false, sampleSize: false, fullSize: false},
Daniel@0: 
Daniel@0:                 customAttributesWhenEmpty:         {id: "", sampleSize: 0, fullSize: 0}
Daniel@0:             },
Daniel@0: 
Daniel@0:             definitionIsFaulty: function(definition) {
Daniel@0:                 return definition.id === false;
Daniel@0:             },
Daniel@0: 
Daniel@0:             definitionIsBeingUpdated: function(definition) {
Daniel@0:                 return definition.id === null;
Daniel@0:             },
Daniel@0: 
Daniel@0:             configParametersToRequestParameters: function(config) {
Daniel@0:                 var rawConfigParameters = config.attributes.parameters.attributes;
Daniel@0:                 var requestParameters = {};
Daniel@0:                 var library = _.str.trim(rawConfigParameters.library).replace(/ /g, "").replace(/,/g, ";");
Daniel@0:                 if (library) {
Daniel@0:                     requestParameters.library = library;
Daniel@0:                 } else {
Daniel@0:                     return null;
Daniel@0:                 }
Daniel@0:                 requestParameters.sv = 0;
Daniel@0:                 var year = _.str.trim(rawConfigParameters.year).replace(/ /g, "");
Daniel@0:                 if (year) {
Daniel@0:                     requestParameters.year = year;
Daniel@0:                 }
Daniel@0: 
Daniel@0:                 //FIXME (hard-coded sample size)
Daniel@0:                 requestParameters.sample = 1000;
Daniel@0: 
Daniel@0:                 _.each(["genre", "composer", "performer", "title", "place", "collection"], function(field) {
Daniel@0:                     var f = _.str.trim(rawConfigParameters[field]);
Daniel@0:                     if (f) {
Daniel@0:                         requestParameters[field] = f;
Daniel@0:                     };
Daniel@0:                 });
Daniel@0: 
Daniel@0:                 return requestParameters;
Daniel@0:             },
Daniel@0: 
Daniel@0:             apiResponseToAttributes: function(data, query) {
Daniel@0:                 var attributes = {};
Daniel@0: 
Daniel@0:                 if (data && data.cid) {
Daniel@0:                     attributes.id = data.cid;
Daniel@0:                     attributes.sampleSize = data.size;
Daniel@0:                     attributes.fullSize = data.full_size;
Daniel@0:                 } else if  (data.errors && data.errors[0] && _.isString(data.errors[0].desc) && data.errors[0].desc.indexOf("empty_dataset") > 0) {
Daniel@0:                     attributes = _.clone(this.options.customAttributesWhenEmpty);
Daniel@0:                 } else {
Daniel@0:                     attributes = _.clone(this.options.customAttributesWhenFaulty);
Daniel@0:                     attributes.errors = data.errors;
Daniel@0:                     logger.warn("An error occured when attempting to obtain collection definition. Query / response:", query, data);
Daniel@0:                 };
Daniel@0:                 attributes.query = query;
Daniel@0:                 return attributes;
Daniel@0:             }
Daniel@0:         });
Daniel@0:     });
Daniel@0: }, Logger);