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2e67d6bf99
Closes #3325 - Add Roles model and add hasMany roles to User model. - Add EmbeddedRelationAdapter that will automatically include hasMany relations in calls to the API. - UserAdapter and PostAdapter now extend EmbeddedRelationAdapter and all explicit includes from store.find() have been removed.
71 lines
2.6 KiB
JavaScript
71 lines
2.6 KiB
JavaScript
import ApplicationAdapter from 'ghost/adapters/application';
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// EmbeddedRelationAdapter will augment the query object in calls made to
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// DS.Store#find, findQuery, and findAll with the correct "includes"
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// (?include=relatedType) by introspecting on the provided subclass of the DS.Model.
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//
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// Example:
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// If a model has an embedded hasMany relation, the related type will be included:
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// roles: DS.hasMany('role', { embedded: 'always' }) => ?include=roles
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var EmbeddedRelationAdapter = ApplicationAdapter.extend({
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find: function (store, type, id) {
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return this.findQuery(store, type, this.buildQuery(store, type, id));
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},
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findQuery: function (store, type, query) {
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return this._super(store, type, this.buildQuery(store, type, query));
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},
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findAll: function (store, type, sinceToken) {
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return this.findQuery(store, type, this.buildQuery(store, type, sinceToken));
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},
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buildQuery: function (store, type, options) {
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var model,
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toInclude = [],
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query = {},
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deDupe = {};
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// Get the class responsible for creating records of this type
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model = store.modelFor(type);
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// Iterate through the model's relationships and build a list
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// of those that need to be pulled in via "include" from the API
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model.eachRelationship(function (name, meta) {
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if (meta.kind === 'hasMany' &&
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Object.prototype.hasOwnProperty.call(meta.options, 'embedded') &&
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meta.options.embedded === 'always') {
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toInclude.push(name);
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}
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});
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if (toInclude.length) {
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// If this is a find by id, build a query object and attach the includes
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if (typeof options === 'string' || typeof options === 'number') {
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query.id = options;
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query.include = toInclude.join(',');
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}
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// If this is a find all (no existing query object) build one and attach
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// the includes.
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// If this is a find with an existing query object then merge the includes
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// into the existing object. Existing properties and includes are preserved.
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else if (typeof options === 'object' || Ember.isNone(options)) {
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query = options || query;
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toInclude = toInclude.concat(query.include ? query.include.split(',') : []);
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toInclude.forEach(function (include) {
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deDupe[include] = true;
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});
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query.include = Object.keys(deDupe).join(',');
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}
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}
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return query;
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}
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});
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export default EmbeddedRelationAdapter;
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