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Diffstat (limited to 'coffee/lib/services/model.coffee')
| -rw-r--r-- | coffee/lib/services/model.coffee | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/coffee/lib/services/model.coffee b/coffee/lib/services/model.coffee deleted file mode 100644 index 7466505a7..000000000 --- a/coffee/lib/services/model.coffee +++ /dev/null @@ -1,131 +0,0 @@ -### -# ownCloud -# -# @author Bernhard Posselt -# Copyright (c) 2012 - Bernhard Posselt <nukeawhale@gmail.com> -# -# This file is licensed under the Affero General Public License version 3 or later. -# See the COPYING-README file -# -### - -angular.module('OC').factory '_Model', -> - - # Parent model: inherit your model from this object - class Model - - constructor: -> - @foreignKeys = {} - @data = [] - @ids = {} - - - handle: (data) -> - if data['create'] != undefined - for item in data['create'] - @create(item) - - if data['update'] != undefined - for item in data['update'] - @update(item) - - if data['delete'] != undefined - for item in data['delete'] - @delete(item) - - - # @brief add a new foreign key name which caches data by foreign key - # @param string name: the name of the foreign key property on the object - # Foreign keys are caching items in a structure like - # name -> id -> [item1, item2] - hasForeignKey: (name) -> - @foreignKeys[name] = {} - - - # @brief adds a new object to the dataset - # @param object data: the data that we want to store - create: (data) -> - if @ids[data.id] != undefined - @update(data) - else - @data.push(data) - @ids[data.id] = data - - # fill indizes of foreign keys - for name, ids of @foreignKeys - id = data[name] - @foreignKeys[name][id] or= [] - @foreignKeys[name][id].push(data) - - - # @brief updates an existing item, the id must not change - # @param object item: the item which should be updated - update: (item) -> - currentItem = @ids[item.id] - for key, value of item - # if the foreignkey changed, we need to update the cache - if @foreignKeys[key] != undefined - if value != currentItem[key] - @_updateForeignKeyCache(key, currentItem, item) - if key != 'id' - currentItem[key] = value - - - delete: (item) -> - if @getById(item.id) != undefined - @removeById(item.id) - - - _updateForeignKeyCache: (name, currentItem, toItem) -> - fromValue = currentItem[name] - toValue = toItem[name] - foreignKeyItems = @foreignKeys[name][fromValue] - @_removeForeignKeyCacheItem(foreignKeyItems, currentItem) - @foreignKeys[name][toValue].push(item) - - - _removeForeignKeyCacheItem: (foreignKeyItems, item) -> - for fkItem, index in foreignKeyItems - if fkItem.id == id - @foreignKeys[key][item[key]].splice(index, 1) - - - # @brief removes an object - # @param int id: the id of the object - removeById: (id) -> - item = @getById(id) - - # remove from foreign key cache - for key, ids of @foreignKeys - foreignKeyItems = ids[item[key]] - @_removeForeignKeyCacheItem(foreignKeyItems, item) - - # remove from array - for item, index in @data - if item.id == id - @data.splice(index, 1) - - delete @ids[id] - - - # @brief returns a data object by its id - # @param int id: the id of the object that we want to fetch - getById: (id) -> - return @ids[id] - - - # @brief returns all stored data objects - getAll: -> - return @data - - - # @brief access the foreign key cache - # @param string foreignKeyName: the name of the foreign key that we want to - # look up - # @param string foreignKeyId: the id from that foreign key that we want to - # get - getAllOfForeignKeyWithId: (foreignKeyName, foreignKeyId) -> - return @foreignKeys[foreignKeyName][foreignKeyId] - - - return Model
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