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Batch processor; Merging enqueue and enqueue next

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This commit is contained in:
James Barnsley
2017-04-04 21:21:44 +12:00
parent bbd35234a9
commit 9d56a05fc4
3 changed files with 57 additions and 69 deletions
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81
src/js/services/mopidy/middleware.js
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@ -222,35 +222,8 @@ const MopidyMiddleware = (function(){
break;
case 'MOPIDY_ENQUEUE_URIS':
// create batches of 20 uris to load
var all_uris = Object.assign([], action.uris)
var batched_uris = []
while (all_uris.length > 0){
batched_uris.push( all_uris.splice(0,20) )
}
// run each batch
for (var i = 0; i < batched_uris.length; i++){
var value = { uris: batched_uris[i] }
if (action.at_position){
value.at_position = action.at_position
}
instruct( socket, store, 'tracklist.add', value )
.then( response => {
var tlids = []
for (var i = 0; i < response.length; i++){
tlids.push(response[i].tlid)
}
store.dispatch( pusherActions.addQueueMetadata(tlids, action.from_uri) )
console.info('Added '+tlids.length+' URI(s) to queue')
})
}
break
case 'MOPIDY_ENQUEUE_URIS_NEXT':
var uris_added = 0
var remaining_uris = Object.assign([], action.uris)
var current_track = store.getState().ui.current_track
var current_tracklist = store.getState().ui.current_tracklist
var current_track_index = -1
@ -264,18 +237,46 @@ const MopidyMiddleware = (function(){
}
}
var at_position = null
if( current_track_index > -1 ) at_position = current_track_index + 1
let process_batch = function(){
var params = {uris: remaining_uris.splice(0,10)}
if (action.next && current_track_index > -1){
params.at_position = current_track_index + uris_added + 1
} else if (action.at_position){
params.at_position = action.at_position
}
instruct(socket, store, 'tracklist.add', params)
.then( response => {
// append our counter
uris_added += response.length
// add metadata to queue
var tlids = []
for (var i = 0; i < response.length; i++){
tlids.push(response[i].tlid)
}
store.dispatch( pusherActions.addQueueMetadata(tlids, action.from_uri) )
console.info('Added '+tlids.length+' URI(s) to queue')
// still more URIs? run again in 0.8s
// this gives our server time to handle other requests
// crude, but prevents locking the server
if (remaining_uris.length > 0){
setTimeout(
function(){
process_batch()
},
800
)
}
})
}
// start processing
process_batch()
instruct( socket, store, 'tracklist.add', { uris: action.uris, at_position: at_position } )
.then( response => {
var tlids = []
for (var i = 0; i < response.length; i++){
tlids.push(response[i].tlid)
}
store.dispatch( pusherActions.addQueueMetadata(tlids, action.from_uri) )
store.dispatch( uiActions.createNotification('Added '+tlids.length+' URI(s) to queue') )
})
break
case 'MOPIDY_PLAY_URIS':