Pony.fm/resources/assets/scripts/app/services/playlists.coffee
2016-06-14 20:54:18 -07:00

289 lines
12 KiB
CoffeeScript

# Pony.fm - A community for pony fan music.
# Copyright (C) 2015 Peter Deltchev
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 program. If not, see <http://www.gnu.org/licenses/>.
module.exports = angular.module('ponyfm').factory('playlists', [
'$rootScope', '$state', '$http', 'auth'
($rootScope, $state, $http, auth) ->
playlistDef = null
filterDef = null
playlists = {}
playlistPages = []
class Query
cacheDef: null
page: 1
listeners: []
constructor: (@availableFilters) ->
@filters = {}
@hasLoadedFilters = false
@resetFilters()
resetFilters: ->
_.each @availableFilters, (filter, name) =>
if filter.type == 'single'
@filters[name] = _.find filter.values, (f) -> f.isDefault
else
@filters[name] = {title: 'Any', selectedArray: [], selectedObject: {}}
clearFilter: (type) ->
@cachedDef = null
@page = 1
filter = @availableFilters[type]
if filter.type == 'single'
@filters[type] = _.find filter.values, (f) -> f.isDefault
else
currentFilter = @filters[type]
currentFilter.selectedArray = []
currentFilter.selectedObject = {}
currentFilter.title = 'Any'
setPage: (page) ->
@page = page
@cachedDef = null
setFilter: (type, value) ->
@cachedDef = null
@page = 1
@filters[type] = value
toFilterString: ->
parts = []
_.each @availableFilters, (filter, name) =>
filterName = filter.name
if filter.type == 'single'
return if @filters[name].query == ''
parts.push(filterName + '-' + @filters[name].query)
else
return if @filters[name].selectedArray.length == 0
parts.push(filterName + '-' + _.map(@filters[name].selectedArray, (f) -> f.id).join '-')
return parts.join '!'
fromFilterString: (str) ->
@hasLoadedFilters = true
@cachedDef = null
@resetFilters()
filters = (str || "").split '!'
for queryFilter in filters
parts = queryFilter.split '-'
queryName = parts[0]
filterName = null
filter = null
for name,f of @availableFilters
continue if f.name != queryName
filterName = name
filter = f
return if !filter
if filter.type == 'single'
filterToSet = _.find filter.values, (f) -> f.query == parts[1]
filterToSet = (_.find filter.values, (f) -> f.isDefault) if filterToSet == null
@setFilter filterName, filterToSet
else
@toggleListFilter filterName, id for id in _.rest parts, 1
listen: (listener) ->
@listeners.push listener
@cachedDef.done listener if @cachedDef
fetch: () ->
return @cachedDef if @cachedDef
@cachedDef = new $.Deferred()
playlistDef = @cachedDef
query = '/api/web/playlists?'
parts = ['page=' + @page]
_.each @availableFilters, (filter, name) =>
if filter.type == 'single'
parts.push @filters[name].filter
else
queryName = filter.filterName
for item in @filters[name].selectedArray
parts.push queryName + "[]=" + item.id
query += parts.join '&'
$http.get(query).success (playlists) =>
@playlists = playlists
for listener in @listeners
listener playlists
playlistDef.resolve playlists
playlistDef.promise()
self =
pinnedPlaylists: []
filters: {}
createQuery: -> new Query self.filters
loadFilters: ->
return filterDef if filterDef
filterDef = new $.Deferred()
self.filters.sort =
type: 'single'
name: 'sort'
values: [
{title: 'Most Favourited', query: 'favourites', isDefault: true, filter: 'order=favourite_count,desc'}
{title: 'Most Viewed', query: 'plays', isDefault: false, filter: 'order=view_count,desc'},
{title: 'Most Downloaded', query: 'downloads', isDefault: false, filter: 'order=download_count,desc'},
{title: 'Alphabetical', query: 'alphabetical', isDefault: false, filter: 'order=title,asc'},
{title: 'Latest', query: 'latest', isDefault: false, filter: 'order=created_at,desc'},
{title: 'Track count', query: 'tracks', isDefault: false, filter: 'order=track_count,desc'},
]
self.mainQuery = self.createQuery()
filterDef.resolve self
filterDef.promise()
fetchList: (page, force) ->
force = force || false
page = 1 if !page
return playlistPages[page] if !force && playlistPages[page]
playlistDef = new $.Deferred()
$http.get('/api/web/playlists?page=' + page).success (playlists) ->
playlistDef.resolve playlists
$rootScope.$broadcast 'playlists-feteched', playlists
playlistPages[page] = playlistDef.promise()
fetch: (id, force) ->
force = force || false
return playlists[id] if !force && playlists[id]
def = new $.Deferred()
$http.get('/api/web/playlists/' + id + '?log=true').success (playlist) ->
def.resolve playlist
playlists[id] = def.promise()
isPlaylistPinned: (id) ->
_.find(self.pinnedPlaylists, (p) -> `p.id == id`) != undefined
refreshOwned: (force = false, slug = window.pfm.auth.user?.slug) ->
return playlistDef if !force && playlistDef
playlistDef = new $.Deferred()
if auth.data.isLogged
$http.get("/api/web/users/#{slug}/playlists").success (playlists) ->
playlistDef.resolve playlists
else
playlistDef.resolve []
playlistDef
addTrackToPlaylist: (playlistId, trackId) ->
def = new $.Deferred()
$http.post('/api/web/playlists/' + playlistId + '/add-track', {track_id: trackId}).success (res) ->
def.resolve(res)
def
removeTrackFromPlaylist: (playlistId, trackId) ->
def = new $.Deferred()
$http.post('/api/web/playlists/' + playlistId + '/remove-track', {track_id: trackId}).success (res) ->
def.resolve(res)
def
refresh: () ->
if auth.data.isLogged
$.getJSON('/api/web/playlists/pinned')
.done (playlists) -> $rootScope.$apply ->
self.pinnedPlaylists.length = 0
self.pinnedPlaylists.push playlist for playlist in playlists
deletePlaylist: (playlist) ->
def = new $.Deferred()
$.post('/api/web/playlists/delete/' + playlist.id)
.then -> $rootScope.$apply ->
if _.some(self.pinnedPlaylists, (p) -> p.id == playlist.id)
currentIndex = _.indexOf(self.pinnedPlaylists, (t) -> t.id == playlist.id)
self.pinnedPlaylists.splice currentIndex, 1
if $state.is('playlist') && $state.params.id == playlist.id
$state.transitionTo 'home'
def.resolve()
def
editPlaylist: (playlist) ->
def = new $.Deferred()
$.post('/api/web/playlists/edit/' + playlist.id, playlist)
.done (res) ->
$rootScope.$apply ->
currentIndex = _.indexOf(self.pinnedPlaylists, (t) -> t.id == playlist.id)
isPinned = _.some(self.pinnedPlaylists, (p) -> p.id == playlist.id)
if res.is_pinned && !isPinned
self.pinnedPlaylists.push res
self.pinnedPlaylists.sort (left, right) -> left.title.localeCompare right.title
currentIndex = _.indexOf(self.pinnedPlaylists, (t) -> t.id == playlist.id)
else if !res.is_pinned && isPinned
self.pinnedPlaylists.splice currentIndex, 1
currentIndex = _.indexOf(self.pinnedPlaylists, (t) -> t.id == playlist.id)
if res.is_pinned
current = self.pinnedPlaylists[currentIndex]
_.forEach res, (value, name) -> current[name] = value
self.pinnedPlaylists.sort (left, right) -> left.title.localeCompare right.title
def.resolve res
$rootScope.$broadcast 'playlist-updated', res
.fail (res)->
$rootScope.$apply ->
errors = {}
_.each res.responseJSON.errors, (value, key) -> errors[key] = value.join ', '
def.reject errors
def
createPlaylist: (playlist) ->
def = new $.Deferred()
$.post('/api/web/playlists/create', playlist)
.done (res) ->
$rootScope.$apply ->
if res.is_pinned
self.pinnedPlaylists.push res
self.pinnedPlaylists.sort (left, right) -> left.title.localeCompare right.title
def.resolve res
.fail (res)->
$rootScope.$apply ->
errors = {}
_.each res.responseJSON.errors, (value, key) -> errors[key] = value.join ', '
def.reject errors
def
self.refresh()
self
])