Use /jobs/:id/log.txt endpoint for fetching logs

assets/scripts/app/models/artifact.coffee

@@ -1,10 +1,15 @@
 require 'travis/model'
 
-@Travis.Artifact = Travis.Model.extend
+@Travis.Artifact = Em.Object.extend
   version: 1 # used to refresh log on requeue
-  body: DS.attr('string')
+  body: null
+  isLoaded: false
+
   init: ->
     @_super.apply this, arguments
+
+    @fetchBody()
+
     @set 'queue', Ember.A([])
     @set 'parts', Ember.ArrayProxy.create(content: [])
 
@@ -15,6 +20,14 @@ require 'travis/model'
     @set('body', '')
     @incrementProperty('version')
 
+  fetchBody: ->
+    self = this
+    Travis.ajax.ajax "/jobs/#{@get('job.id')}/log.txt", 'GET',
+      dataType: 'text'
+      success: (data) ->
+        self.set 'body', data
+        self.set 'isLoaded', true
+
   append: (body) ->
     if @get('isInitialized')
       @get('parts').pushObject body

assets/scripts/app/models/job.coffee

@@ -17,7 +17,9 @@ require 'travis/model'
   repo:   DS.belongsTo('Travis.Repo',     key: 'repository_id')
   build:  DS.belongsTo('Travis.Build',    key: 'build_id')
   commit: DS.belongsTo('Travis.Commit',   key: 'commit_id')
-  log:    DS.belongsTo('Travis.Artifact', key: 'log_id')
+  log: ( ->
+    Travis.Artifact.create(job: this)
+  ).property()
 
   repoSlug: (->
     @get('repositorySlug')

assets/scripts/app/store.coffee

@@ -71,6 +71,7 @@ Travis.Store = DS.Store.extend
     !!@typeMapFor(type).idToCid[id]
 
   receive: (event, data) ->
+    console.log event, data
     [name, type] = event.split(':')
 
     mappings = @adapter.get('mappings')

assets/scripts/app/templates/jobs/log.hbs

@@ -4,9 +4,7 @@
   {{! this #with + #if is needed because I want to rerender 'pre' when log changes to properly clean it up,
       this should probably be refactored to use container view}}
   {{#with view.job.log}}
-    {{#if id}}
     {{view Travis.PreView logBinding="view.context.log" logUrlBinding="view.logUrl"}}
-    {{/if}}
   {{/with}}
 
   {{#if sponsor.name}}

assets/scripts/lib/travis/ajax.coffee

@@ -21,7 +21,7 @@ jQuery.support.cors = true
 
     options.url = "#{endpoint}#{url}"
     options.type = method
-    options.dataType = 'json'
+    options.dataType = options.dataType || 'json'
     options.contentType = 'application/json; charset=utf-8'
     options.context = this