mirror of
https://github.com/codeninjasllc/codecombat.git
synced 2024-11-24 08:08:15 -05:00
337 lines
11 KiB
CoffeeScript
337 lines
11 KiB
CoffeeScript
storage = require 'lib/storage'
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deltasLib = require 'lib/deltas'
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class CocoModel extends Backbone.Model
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idAttribute: '_id'
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loaded: false
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loading: false
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saveBackups: false
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notyErrors: true
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@schema: null
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initialize: (attributes, options) ->
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super(arguments...)
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options ?= {}
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@setProjection options.project
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if not @constructor.className
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console.error("#{@} needs a className set.")
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@on 'sync', @onLoaded, @
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@on 'error', @onError, @
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@on 'add', @onLoaded, @
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@saveBackup = _.debounce(@saveBackup, 500)
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console.debug = console.log unless console.debug # Needed for IE10 and earlier
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setProjection: (project) ->
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return if project is @project
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url = @getURL()
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url += '&project=' unless /project=/.test url
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url = url.replace '&', '?' unless /\?/.test url
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url = url.replace /project=[^&]*/, "project=#{project?.join(',') or ''}"
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url = url.replace /[&?]project=&/, '&' unless project?.length
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url = url.replace /[&?]project=$/, '' unless project?.length
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@setURL url
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@project = project
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type: ->
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@constructor.className
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clone: (withChanges=true) ->
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# Backbone does not support nested documents
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clone = super()
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clone.set($.extend(true, {}, if withChanges then @attributes else @_revertAttributes))
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clone
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onError: ->
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@loading = false
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@jqxhr = null
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onLoaded: ->
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@loaded = true
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@loading = false
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@jqxhr = null
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@loadFromBackup()
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getNormalizedURL: -> "#{@urlRoot}/#{@id}"
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attributesWithDefaults: undefined
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get: (attribute, withDefault=false) ->
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if withDefault
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if @attributesWithDefaults is undefined then @buildAttributesWithDefaults()
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return @attributesWithDefaults[attribute]
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else
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super(attribute)
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set: (attributes, options) ->
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delete @attributesWithDefaults unless attributes is 'thangs' # unless attributes is 'thangs': performance optimization for Levels keeping their cache.
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inFlux = @loading or not @loaded
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@markToRevert() unless inFlux or @_revertAttributes or @project or options?.fromMerge
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res = super attributes, options
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@saveBackup() if @saveBackups and (not inFlux)
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res
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buildAttributesWithDefaults: ->
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t0 = new Date()
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clone = $.extend true, {}, @attributes
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thisTV4 = tv4.freshApi()
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thisTV4.addSchema('#', @schema())
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thisTV4.addSchema('metaschema', require('schemas/metaschema'))
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TreemaNode.utils.populateDefaults(clone, @schema(), thisTV4)
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@attributesWithDefaults = clone
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console.debug "Populated defaults for #{@attributes.name or @type()} in #{new Date() - t0}ms"
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loadFromBackup: ->
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return unless @saveBackups
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existing = storage.load @id
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if existing
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@set(existing, {silent: true})
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CocoModel.backedUp[@id] = @
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saveBackup: -> @saveBackupNow()
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saveBackupNow: ->
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storage.save(@id, @attributes)
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CocoModel.backedUp[@id] = @
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@backedUp = {}
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schema: -> return @constructor.schema
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getValidationErrors: ->
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# Since Backbone unset only sets things to undefined instead of deleting them, we ignore undefined properties.
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definedAttributes = _.pick @attributes, (v) -> v isnt undefined
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errors = tv4.validateMultiple(definedAttributes, @constructor.schema or {}).errors
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return errors if errors?.length
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validate: ->
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errors = @getValidationErrors()
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if errors?.length
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console.debug "Validation failed for #{@constructor.className}: '#{@get('name') or @}'."
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for error in errors
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console.debug "\t", error.dataPath, ':', error.message
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return errors
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save: (attrs, options) ->
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options ?= {}
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options.headers ?= {}
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options.headers['X-Current-Path'] = document.location?.pathname ? 'unknown'
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success = options.success
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error = options.error
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options.success = (model, res) =>
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@trigger 'save:success', @
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success(@, res) if success
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@markToRevert() if @_revertAttributes
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@clearBackup()
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CocoModel.pollAchievements()
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options.success = options.error = null # So the callbacks can be garbage-collected.
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options.error = (model, res) =>
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error(@, res) if error
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return unless @notyErrors
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errorMessage = "Error saving #{@get('name') ? @type()}"
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console.log 'going to log an error message'
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console.warn errorMessage, res.responseJSON
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unless webkit?.messageHandlers # Don't show these notys on iPad
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try
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noty text: "#{errorMessage}: #{res.status} #{res.statusText}", layout: 'topCenter', type: 'error', killer: false, timeout: 10000
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catch notyError
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console.warn "Couldn't even show noty error for", error, "because", notyError
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options.success = options.error = null # So the callbacks can be garbage-collected.
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@trigger 'save', @
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return super attrs, options
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patch: (options) ->
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return false unless @_revertAttributes
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options ?= {}
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options.patch = true
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attrs = {_id: @id}
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keys = []
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for key in _.keys @attributes
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unless _.isEqual @attributes[key], @_revertAttributes[key]
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attrs[key] = @attributes[key]
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keys.push key
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return unless keys.length
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console.debug 'Patching', @get('name') or @, keys
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@save(attrs, options)
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fetch: (options) ->
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options ?= {}
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options.data ?= {}
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options.data.project = @project.join(',') if @project
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@jqxhr = super(options)
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@loading = true
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@jqxhr
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markToRevert: ->
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if @type() is 'ThangType'
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# Don't deep clone the raw vector data, but do deep clone everything else.
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@_revertAttributes = _.clone @attributes
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for smallProp, value of @attributes when value and smallProp isnt 'raw'
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@_revertAttributes[smallProp] = _.cloneDeep value
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else
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@_revertAttributes = $.extend(true, {}, @attributes)
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revert: ->
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@clear({silent: true})
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@set(@_revertAttributes, {silent: true}) if @_revertAttributes
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@clearBackup()
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clearBackup: ->
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storage.remove @id
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hasLocalChanges: ->
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@_revertAttributes and not _.isEqual @attributes, @_revertAttributes
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cloneNewMinorVersion: ->
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newData = _.clone @attributes
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clone = new @constructor(newData)
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clone
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cloneNewMajorVersion: ->
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clone = @cloneNewMinorVersion()
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clone.unset('version')
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clone
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isPublished: ->
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for permission in (@get('permissions', true) ? [])
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return true if permission.target is 'public' and permission.access is 'read'
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false
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publish: ->
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if @isPublished() then throw new Error('Can\'t publish what\'s already-published. Can\'t kill what\'s already dead.')
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@set 'permissions', @get('permissions', true).concat({access: 'read', target: 'public'})
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@isObjectID: (s) ->
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s.length is 24 and s.match(/[a-f0-9]/gi)?.length is 24
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hasReadAccess: (actor) ->
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# actor is a User object
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actor ?= me
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return true if actor.isAdmin()
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for permission in (@get('permissions', true) ? [])
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if permission.target is 'public' or actor.get('_id') is permission.target
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return true if permission.access in ['owner', 'read']
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return false
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hasWriteAccess: (actor) ->
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# actor is a User object
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actor ?= me
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return true if actor.isAdmin()
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for permission in (@get('permissions', true) ? [])
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if permission.target is 'public' or actor.get('_id') is permission.target
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return true if permission.access in ['owner', 'write']
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return false
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getOwner: ->
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ownerPermission = _.find @get('permissions', true), access: 'owner'
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ownerPermission?.target
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getDelta: ->
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differ = deltasLib.makeJSONDiffer()
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differ.diff @_revertAttributes, @attributes
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getDeltaWith: (otherModel) ->
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differ = deltasLib.makeJSONDiffer()
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differ.diff @attributes, otherModel.attributes
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applyDelta: (delta) ->
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newAttributes = $.extend(true, {}, @attributes)
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try
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jsondiffpatch.patch newAttributes, delta
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catch error
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console.error 'Error applying delta\n', JSON.stringify(delta, null, '\t'), '\n\nto attributes\n\n', newAttributes
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return false
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for key, value of newAttributes
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delete newAttributes[key] if _.isEqual value, @attributes[key]
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@set newAttributes
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return true
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getExpandedDelta: ->
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delta = @getDelta()
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deltasLib.expandDelta(delta, @_revertAttributes, @schema())
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getExpandedDeltaWith: (otherModel) ->
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delta = @getDeltaWith(otherModel)
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deltasLib.expandDelta(delta, @attributes, @schema())
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watch: (doWatch=true) ->
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$.ajax("#{@urlRoot}/#{@id}/watch", {type: 'PUT', data: {on: doWatch}})
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@watching = -> doWatch
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watching: ->
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return me.id in (@get('watchers') or [])
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populateI18N: (data, schema, path='') ->
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# TODO: Better schema/json walking
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sum = 0
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data ?= $.extend true, {}, @attributes
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schema ?= @schema() or {}
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if schema.properties?.i18n and _.isPlainObject(data) and not data.i18n?
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data.i18n = {'-':'-'} # mongoose doesn't work with empty objects
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sum += 1
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if _.isPlainObject data
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for key, value of data
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numChanged = 0
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numChanged = @populateI18N(value, childSchema, path+'/'+key) if childSchema = schema.properties?[key]
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if numChanged and not path # should only do this for the root object
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@set key, value
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sum += numChanged
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if schema.items and _.isArray data
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sum += @populateI18N(value, schema.items, path+'/'+index) for value, index in data
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sum
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@getReferencedModel: (data, schema) ->
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return null unless schema.links?
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linkObject = _.find schema.links, rel: 'db'
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return null unless linkObject
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return null if linkObject.href.match('thang.type') and not @isObjectID(data) # Skip loading hardcoded Thang Types for now (TODO)
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# not fully extensible, but we can worry about that later
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link = linkObject.href
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link = link.replace('{(original)}', data.original)
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link = link.replace('{(majorVersion)}', '' + (data.majorVersion ? 0))
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link = link.replace('{($)}', data)
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@getOrMakeModelFromLink(link)
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@getOrMakeModelFromLink: (link) ->
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makeUrlFunc = (url) -> -> url
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modelUrl = link.split('/')[2]
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modelModule = _.string.classify(modelUrl)
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modulePath = "models/#{modelModule}"
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try
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Model = require modulePath
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catch e
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console.error 'could not load model from link path', link, 'using path', modulePath
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return
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model = new Model()
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model.url = makeUrlFunc(link)
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return model
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setURL: (url) ->
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makeURLFunc = (u) -> -> u
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@url = makeURLFunc(url)
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@
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getURL: ->
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return if _.isString @url then @url else @url()
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@pollAchievements: ->
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NewAchievementCollection = require '../collections/NewAchievementCollection' # Nasty mutual inclusion if put on top
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achievements = new NewAchievementCollection
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achievements.fetch
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success: (collection) ->
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me.fetch (success: -> Backbone.Mediator.publish('achievements:new', earnedAchievements: collection)) unless _.isEmpty(collection.models)
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error: ->
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console.error 'Miserably failed to fetch unnotified achievements', arguments
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CocoModel.pollAchievements = _.debounce CocoModel.pollAchievements, 500
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module.exports = CocoModel
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