Upload new/changed images to GitHub when saving MD

src/coffee/models/markdown_image.coffee

@@ -5,82 +5,20 @@ Copyright (c) 2015 by Redwood Labs
 All rights reserved.
 ###
 
-BaseModel = require './base_model'
-_         = require 'underscore'
-{Event}   = require '../constants'
+_            = require 'underscore'
+EditableFile = require './editable_file'
 
 ########################################################################################################################
 
-module.exports = class MarkdownImage extends BaseModel
-
-    @MimeTypes = MimeTypes = [
-        {pattern:/\.png$/i,  text:'image/png'}
-        {pattern:/\.gif$/i,  text:'image/gif'}
-        {pattern:/\.jpg$/i,  text:'image/jpeg'}
-        {pattern:/\.jpeg$/i, text:'image/jpeg'}
-    ]
-
-    @Status = Status = {
-        'unknown':    'unknown'
-        'checking':   'checking'
-        'empty':      'empty'
-        'creatable':  'creatable'
-        'unchanged':  'unchanged'
-        'updateable': 'updateable'
-    }
-
-    constructor: (attributes={}, options={})->
-        attributes.encodedData ?= null
-        attributes.fileName    ?= ''
-        attributes.path        ?= ''
-        attributes.sha         ?= null
-        attributes.status      ?= Status.unknown
-        super
-
-        @client = options.client
-
-        @on Event.change + ':fileName', => @_mimeType = null
+module.exports = class MarkdownImage extends EditableFile
 
     # Property Methods #############################################################################
 
-    getFullPath: ->
-        return "#{@path}/#{@fileName}"
-
     getImageUrl: ->
         if @mimeType? and @encodedData?
             return "data:#{@mimeType};base64,#{@encodedData}"
         else
             return @fullPath
 
-    getMimeType: ->
-        if not @_mimeType?
-            for mimeType in MimeTypes
-                if mimeType.pattern.test @fileName
-                    @_mimeType = mimeType.text
-                    break
-
-        return @_mimeType
-
-    isValid: ->
-        return @status in [ Status.creatable, Status.unchanged, Status.updateable ]
-
     Object.defineProperties @prototype,
-        fullPath: {get:@prototype.getFullPath}
         imageUrl: {get:@prototype.getImageUrl}
-        mimeType: {get:@prototype.getMimeType}
-        valid:    {get:@prototype.isValid}
-
-    # BaseModel Overrides ##########################################################################
-
-    fetch: ->
-        if not @client? then throw new Error 'MarkdownImage must be given a client to fetch with'
-
-        @status = Status.checking
-        @client.fetchFile path:@fullPath
-            .then (response)=>
-                data = response.json.data
-
-                if data.sha?
-                    @set encodedData:data.content, sha:data.sha, status:Status.unchanged
-                else
-                    @status = Status.empty