SF Ember.js Meetup 10/30

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Ember Data

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UPDATE customers SET salesperson = "Mike" WHERE state = "NH"

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ActiveRecord

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$.getJSON('/posts/1', function(data) { controller.set('content', data); });

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Ember Data

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DS.Store Application Semantics Server Semantics translates DS.Adapter

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DS.Adapter DS.Serializer

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DS.Adapter DS.Serializer • Are relationships saved in the parent or the child? • What payloads are sent to what URLs? • What actions map to what HTTP verbs? • What is the name of the primary key? • What are the names of attributes? • Are objects embedded or referred to by ID?

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What's Next?

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Full Time!

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Bug Fixes!

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Per-Type Adapters

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Server Team

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find: function(store, type, id) { if (type === App.Post) { $.ajax('/enterprise_cms/v134uu5/ db-legacy/posts_endpoint-v2/'+id, 'GET', { success: function(json) { store.load(type, json); } }); } else if (type === App.Comment) { $.ajax('/comments/'+id, 'GET', { success: function(json) { store.load(type, json); } }); } }

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DS.Store.registerAdapter('App.Post', DS.Adapter.extend({ find: function(store, type, id) { $.ajax(this.buildURL(type), 'GET', { success: function(json) { store.load(type, json); } }); } }));

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Helps you isolate crazy.

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Read-Only Records

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App.Serializer = DS.Serializer.extend({ optionsForMaterializedAttribute: function(type, attributeName) { if (attributeName === 'updatedAt') { return { readOnly: true }; } } });

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App.Serializer = DS.Serializer.extend({ materializeOptions: function(record, hash) { if (hash.read_only === true) { record.materializeOptions({ readOnly: true }); } } });

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DS.RESTAdapter.map('App.Tweet', { updatedAt: { readOnly: true, keyName: 'last_date' } });

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DS.RESTAdapter.configure('App.Tweet', { readOnly: true });

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Embedded Data

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// GET /comments/789 { "comment": { "id": 789, "title": "Browser question", "body": "the question, \"What browser am I using, and why does it matter?\"", "user": { "firstName": "Jeff", "lastName": "Chang" } } }

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// PUT /comments/789 { "comment": { "id": 789, "title": "Browser questions", "body": "the question, \"What browser am I using, and why does it matter?\"" } } // PUT /users/123 { "user": { "id": 123, "firstName": "Jeffrey", "lastName": "Chang" } } Embedded Loading

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DS.RESTAdapter.map('App.Comment', { user: { embedded: "load" } }); Embedded Loading

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// PUT /comments/789 { "comment": { "id": 789, "title": "Browser questions", "body": "the question, \"What browser am I using, and why does it matter?\"", "user": { "firstName": "Jeffrey", "lastName": "Chang" } } } Embedded

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