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###
ownCloud - News
@author Bernhard Posselt
@copyright 2012 Bernhard Posselt dev@bernhard-posselt.com
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
License as published by the Free Software Foundation; either
version 3 of the License, or any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU AFFERO GENERAL PUBLIC LICENSE for more details.
You should have received a copy of the GNU Affero General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>.
###
# Model which offers basic crud for storing your data
angular.module('News').factory '_Model', ->
class Model
constructor: ->
@_data = []
@_dataMap = {}
@_filterCache = {}
handle: (data) ->
###
Redirects to add method
###
for item in data
@add(item)
add: (data, clearCache=true) ->
###
Adds a new entry or updates an entry if the id exists already
###
if clearCache
@_invalidateCache()
if angular.isDefined(@_dataMap[data.id])
@update(data, clearCache)
else
@_data.push(data)
@_dataMap[data.id] = data
update: (data, clearCache=true) ->
###
Update an entry by searching for its id
###
if clearCache
@_invalidateCache()
entry = @getById(data.id)
for key, value of data
if key == 'id'
continue
else
entry[key] = value
getById: (id) ->
###
Return an entry by its id
###
return @_dataMap[id]
getAll: ->
###
Returns all stored entries
###
return @_data
removeById: (id, clearCache=true) ->
###
Remove an entry by id
###
for entry, counter in @_data
if entry.id == id
@_data.splice(counter, 1)
data = @_dataMap[id]
delete @_dataMap[id]
if clearCache
@_invalidateCache()
return data
clear: ->
###
Removes all cached elements
###
@_data.length = 0
@_dataMap = {}
@_invalidateCache()
_invalidateCache: ->
@_filterCache = {}
get: (query) ->
###
Calls, caches and returns filtered results
###
hash = query.hashCode()
if not angular.isDefined(@_filterCache[hash])
@_filterCache[hash] = query.exec(@_data)
return @_filterCache[hash]
size: ->
###
Return the number of all stored entries
###
return @_data.length
return Model
|