Add temporary JSON-API Ember Data adapter.

framework/core/ember/.gitignore

@@ -7,6 +7,7 @@
 # dependencies
 /node_modules
 /vendor/*
+!/vendor/json-api.js
 
 # misc
 /.sass-cache

framework/core/ember/vendor/json-api.js

@@ -0,0 +1,353 @@
+/*! 
+ * ember-json-api
+ * Built on 2014-07-03
+ * http://github.com/daliwali/ember-json-api
+ * Copyright (c) 2014 Dali Zheng
+ */
+(function() {
+"use strict";
+var get = Ember.get;
+var isNone = Ember.isNone;
+
+DS.JsonApiSerializer = DS.RESTSerializer.extend({
+  /**
+   * Patch the extractSingle method, since there are no singular records
+   */
+  extractSingle: function(store, primaryType, payload, recordId) {
+    var primaryTypeName;
+    if (this.keyForAttribute) {
+      primaryTypeName = this.keyForAttribute(primaryType.typeKey);
+    } else {
+      primaryTypeName = primaryType.typeKey;
+    }
+
+    var json = {};
+
+    for (var key in payload) {
+      var typeName = Ember.String.singularize(key);
+      if (typeName === primaryTypeName &&
+          Ember.isArray(payload[key])) {
+        json[typeName] = payload[key][0];
+      } else {
+        json[key] = payload[key];
+      }
+    }
+    return this._super(store, primaryType, json, recordId);
+  },
+
+  extractArray: function(store, primaryType, payload) {
+    var primaryTypeName;
+    if (this.keyForAttribute) {
+      primaryTypeName = this.keyForAttribute(primaryType.typeKey);
+    } else {
+      primaryTypeName = primaryType.typeKey;
+    }
+
+    for (var key in payload) {
+      var typeName = Ember.String.singularize(key);
+      if (typeName === primaryTypeName &&
+          ! Ember.isArray(payload[key])) {
+        payload[key] = [payload[key]];
+      }
+    }
+    
+    return this._super(store, primaryType, payload);
+  },
+
+  /**
+   * Flatten links
+   */
+  normalize: function(type, hash, prop) {
+    var json = {};
+    for (var key in hash) {
+      if (key !== 'links') {
+        json[key] = hash[key];
+      } else if (typeof hash[key] === 'object') {
+        for (var link in hash[key]) {
+          json[link] = hash[key][link];
+        }
+      }
+    }
+    return this._super(type, json, prop);
+  },
+
+  /**
+   * Extract top-level "meta" & "links" before normalizing.
+   */
+  normalizePayload: function(payload) {
+    // if (payload.meta) {
+    //   this.extractMeta(payload.meta);
+    //   delete payload.meta;
+    // }
+    if (payload.links) {
+      this.extractLinks(payload.links);
+      delete payload.links;
+    }
+    if (payload.linked) {
+      this.extractLinked(payload.linked);
+      delete payload.linked;
+    }
+    return payload;
+  },
+
+  /**
+   * Extract top-level "linked" containing associated objects
+   */
+  extractLinked: function(linked) {
+    var link, values, value, relation;
+    var store = get(this, 'store');
+
+    for (link in linked) {
+      values = linked[link];
+      for (var i = values.length - 1; i >= 0; i--) {
+        value = values[i];
+
+        if (value.links) {
+          for (relation in value.links) {
+            value[relation] = value.links[relation];
+          }
+          delete value.links;
+        }
+      }
+    }
+    store.pushPayload(linked);
+  },
+
+  /**
+   * Override this method to parse the top-level "meta" object per type.
+   */
+  // extractMeta: function(meta) {
+  //   console.log(meta);
+  //   // store.metaForType(type, payload.meta);
+  // },
+
+  /**
+   * Parse the top-level "links" object.
+   */
+  extractLinks: function(links) {
+    var link, key, value, route;
+    var extracted = [], linkEntry, linkKey;
+
+    for (link in links) {
+      key = link.split('.').pop();
+      value = links[link];
+      if (typeof value === 'string') {
+        route = value;
+      } else {
+        key = value.type || key;
+        route = value.href;
+      }
+
+      // strip base url
+      if (route.substr(0, 4).toLowerCase() === 'http') {
+        route = route.split('//').pop().split('/').slice(1).join('/');
+      }
+
+      // strip prefix slash
+      if (route.charAt(0) === '/') {
+        route = route.substr(1);
+      }
+      linkEntry = { };
+      linkKey = Ember.String.singularize(key);
+      linkEntry[linkKey] = route;
+      extracted.push(linkEntry);
+      DS._routes[linkKey] = route;
+    }
+
+    return extracted;
+  },
+
+  // SERIALIZATION
+
+  /**
+   * Use "links" key, remove support for polymorphic type
+   */
+  serializeBelongsTo: function(record, json, relationship) {
+    var key = relationship.key;
+    var belongsTo = get(record, key);
+
+    if (isNone(belongsTo)) return;
+
+    json.links = json.links || {};
+    json.links[key] = get(belongsTo, 'id');
+  },
+
+  /**
+   * Use "links" key
+   */
+  serializeHasMany: function(record, json, relationship) {
+    var key = relationship.key;
+
+    var relationshipType = DS.RelationshipChange.determineRelationshipType(record.constructor, relationship);
+
+    if (relationshipType === 'manyToNone' ||
+        relationshipType === 'manyToMany') {
+      json.links = json.links || {};
+      json.links[key] = get(record, key).mapBy('id');
+    }
+  }
+});
+
+}).call(this);
+
+(function() {
+"use strict";
+var get = Ember.get;
+
+/**
+ * Keep a record of routes to resources by type.
+ */
+
+// null prototype in es5 browsers wont allow collisions with things on the
+// global Object.prototype.
+DS._routes = Ember.create(null);
+
+DS.JsonApiAdapter = DS.RESTAdapter.extend({
+  defaultSerializer: 'DS/jsonApi',
+  /**
+   * Look up routes based on top-level links.
+   */
+  buildURL: function(typeName, id) {
+    // TODO: this basically only works in the simplest of scenarios
+    var route = DS._routes[typeName];
+    if (!!route) {
+      var url = [];
+      var host = get(this, 'host');
+      var prefix = this.urlPrefix();
+      var param = /\{(.*?)\}/g;
+
+      if (id) {
+        if (param.test(route)) {
+          url.push(route.replace(param, id));
+        } else {
+          url.push(route, id);
+        }
+      } else {
+        url.push(route.replace(param, ''));
+      }
+
+      if (prefix) { url.unshift(prefix); }
+
+      url = url.join('/');
+      if (!host && url) { url = '/' + url; }
+
+      return url;
+    }
+
+    return this._super(typeName, id);
+  },
+
+  /**
+   * Fix query URL.
+   */
+  findMany: function(store, type, ids, owner) {
+    return this.ajax(this.buildURL(type.typeKey, ids.join(',')), 'GET');
+  },
+
+  findQuery: function(store, type, query) {
+    var ids = null;
+    if (query.ids) {
+      ids = query.ids.join(',');
+      delete query.ids;
+    }
+    return this.ajax(this.buildURL(type.typeKey, ids), 'GET', {data: query});
+  },
+
+  /**
+   * Cast individual record to array,
+   * and match the root key to the route
+   */
+  createRecord: function(store, type, record) {
+    var data = {};
+
+    data[this.pathForType(type.typeKey)] = [
+      store.serializerFor(type.typeKey).serialize(record, {
+        includeId: true
+      })
+    ];
+
+    return this.ajax(this.buildURL(type.typeKey), 'POST', {
+        data: data
+      });
+  },
+
+  /**
+   * Cast individual record to array,
+   * and match the root key to the route
+   */
+  updateRecord: function(store, type, record) {
+    var data = {};
+    data[this.pathForType(type.typeKey)] = [
+      store.serializerFor(type.typeKey).serialize(record)
+    ];
+
+    var id = get(record, 'id');
+
+    return this.ajax(this.buildURL(type.typeKey, id), 'PUT', {
+        data: data
+      });
+  },
+
+  _tryParseErrorResponse:  function(responseText) {
+    try {
+      return Ember.$.parseJSON(responseText);
+    } catch(e) {
+      return "Something went wrong";
+    }
+  },
+
+  ajaxError: function(jqXHR) {
+    var error = this._super(jqXHR);
+    var response;
+
+    if (jqXHR && typeof jqXHR === 'object') {
+      response = this._tryParseErrorResponse(jqXHR.responseText);
+      var errors = {};
+
+      if (response &&
+          typeof response === 'object' &&
+            response.errors !== undefined) {
+
+        Ember.A(Ember.keys(response.errors)).forEach(function(key) {
+          errors[Ember.String.camelize(key)] = response.errors[key];
+        });
+      }
+
+      if (jqXHR.status === 422) {
+        return new DS.InvalidError(errors);
+      } else{
+        return new ServerError(jqXHR.status, response, jqXHR);
+      }
+    } else {
+      return error;
+    }
+  },
+  /**
+    Underscores the JSON root keys when serializing.
+
+    @method serializeIntoHash
+    @param {Object} hash
+    @param {subclass of DS.Model} type
+    @param {DS.Model} record
+    @param {Object} options
+    */
+  serializeIntoHash: function(data, type, record, options) {
+    var root = underscore(decamelize(type.typeKey));
+    data[root] = this.serialize(record, options);
+  }
+});
+
+function ServerError(status, message, xhr) {
+  this.status = status;
+  this.message = message;
+  this.xhr = xhr;
+
+  this.stack = new Error().stack;
+}
+
+ServerError.prototype = Ember.create(Error.prototype);
+ServerError.constructor = ServerError;
+
+DS.JsonApiAdapter.ServerError = ServerError;
+
+}).call(this);