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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/>.
###
angular.module('News').factory 'ItemModel',
['_Model', '_MinimumQuery', '_MaximumQuery', 'StatusFlag',
(_Model, _MinimumQuery, _MaximumQuery, StatusFlag) ->
class ItemModel extends _Model
constructor: ->
@_guidFeedIdHash = {}
super()
clear: ->
@_guidFeedIdHash = {}
super()
# items have two unique fields: feed_id and guidhash
# in case we get updated items with the same two fields we
# also need to update the field
add: (data, clearCache=true) ->
@_bindMethods(data)
hash = data.feedId + '_' + data.guidHash
entry = @_guidFeedIdHash[hash]
# update entry if exists with same feedid and guidhash
if angular.isDefined(entry)
@update(data, clearCache)
else
@_guidFeedIdHash[hash] = data
super(data, clearCache)
_bindMethods: (data) ->
data.isRead = ->
return !((@status & StatusFlag.UNREAD) == StatusFlag.UNREAD)
data.setRead = ->
@status &= ~StatusFlag.UNREAD
data.setUnread = ->
@status |= StatusFlag.UNREAD
data.isStarred = ->
return (@status & StatusFlag.STARRED) == StatusFlag.STARRED
data.setStarred = ->
@status |= StatusFlag.STARRED
data.setUnstarred = ->
@status &= ~StatusFlag.STARRED
update: (data, clearCache=true) ->
hash = data.feedId + '_' + data.guidHash
entry = @_guidFeedIdHash[hash]
# first update id that could have changed
delete @_dataMap[entry.id]
@_dataMap[data.id] = entry
# now copy over the elements data attrs
for key, value of data
if key == 'feedId' or key == 'guidHash'
continue
else
entry[key] = value
super(entry, clearCache)
getByGuidHashAndFeedId: (guidHash, feedId) ->
hash = feedId + '_' + guidHash
return @_guidFeedIdHash[hash]
removeById: (id) ->
item = @getById(id)
hash = item.feedId + '_' + item.guidHash
delete @_guidFeedIdHash[hash]
super(id)
getLowestId: ->
query = new _MinimumQuery('id')
lowestId = @get(query)
if angular.isDefined(lowestId)
return lowestId.id
else
return 0
getLastModified: ->
query = new _MaximumQuery('lastModified')
lastModified = @get(query)
if angular.isDefined(lastModified)
return lastModified.lastModified
else
return 0
return new ItemModel()
]
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