Improved requests: pagination is done from the data received in initialSync

This commit is contained in:
Emmanuel ROHEE 2014-09-10 12:01:00 +02:00
parent 2bd4346075
commit b63dd9506e
3 changed files with 38 additions and 15 deletions

View File

@ -55,6 +55,11 @@ angular.module('eventHandlerService', [])
$rootScope.events.rooms[room_id] = {}; $rootScope.events.rooms[room_id] = {};
$rootScope.events.rooms[room_id].messages = []; $rootScope.events.rooms[room_id].messages = [];
$rootScope.events.rooms[room_id].members = {}; $rootScope.events.rooms[room_id].members = {};
// Pagination information
$rootScope.events.rooms[room_id].pagination = {
earliest_token: "END" // how far back we've paginated
}
} }
}; };
@ -187,17 +192,21 @@ angular.module('eventHandlerService', [])
NAME_EVENT: NAME_EVENT, NAME_EVENT: NAME_EVENT,
handleEvent: function(event, isLiveEvent) { handleEvent: function(event, isLiveEvent) {
// FIXME: event duplication suppression is all broken as the code currently expect to handles // Avoid duplicated events
// events multiple times to get their side-effects... // Needed for rooms where initialSync has not been done.
/* // In this case, we do not know where to start pagination. So, it starts from the END
// and we can have the same event (ex: joined, invitation) coming from the pagination
// AND from the event stream.
// FIXME: This workaround should be no more required when /initialSync on a particular room
// will be available (as opposite to the global /initialSync done at startup)
if (eventMap[event.event_id]) { if (eventMap[event.event_id]) {
console.log("discarding duplicate event: " + JSON.stringify(event)); console.log("discarding duplicate event: " + JSON.stringify(event, undefined, 4));
return; return;
} }
else { else {
eventMap[event.event_id] = 1; eventMap[event.event_id] = 1;
} }
*/
if (event.type.indexOf('m.call.') === 0) { if (event.type.indexOf('m.call.') === 0) {
handleCallEvent(event, isLiveEvent); handleCallEvent(event, isLiveEvent);
} }
@ -247,6 +256,15 @@ angular.module('eventHandlerService', [])
} }
}, },
// Handle messages from /initialSync or /messages
handleRoomMessages: function(room_id, messages, isLiveEvents) {
this.handleEvents(messages.chunk);
// Store how far back we've paginated
// This assumes the paginations requests are contiguous and in reverse chronological order
$rootScope.events.rooms[room_id].pagination.earliest_token = messages.end;
},
handleInitialSyncDone: function(initialSyncData) { handleInitialSyncDone: function(initialSyncData) {
console.log("# handleInitialSyncDone"); console.log("# handleInitialSyncDone");
initialSyncDeferred.resolve(initialSyncData); initialSyncDeferred.resolve(initialSyncData);

View File

@ -112,9 +112,16 @@ angular.module('eventStreamService', [])
var rooms = response.data.rooms; var rooms = response.data.rooms;
for (var i = 0; i < rooms.length; ++i) { for (var i = 0; i < rooms.length; ++i) {
var room = rooms[i]; var room = rooms[i];
// console.log("got room: " + room.room_id); // console.log("got room: " + room.room_id);
if ("state" in room) { if ("state" in room) {
eventHandlerService.handleEvents(room.state, false); //eventHandlerService.handleEvents(room.state, false);
}
if ("messages" in room) {
eventHandlerService.handleRoomMessages(room.room_id, room.messages, false);
console.log(room.messages.start + " - " + room.messages.end);
} }
} }

View File

@ -27,8 +27,6 @@ angular.module('RoomController', ['ngSanitize', 'matrixFilter', 'mFileInput'])
$scope.state = { $scope.state = {
user_id: matrixService.config().user_id, user_id: matrixService.config().user_id,
events_from: "END", // when to start the event stream from.
earliest_token: "END", // stores how far back we've paginated.
first_pagination: true, // this is toggled off when the first pagination is done first_pagination: true, // this is toggled off when the first pagination is done
can_paginate: false, // this is toggled off when we are not ready yet to paginate or when we run out of items can_paginate: false, // this is toggled off when we are not ready yet to paginate or when we run out of items
paginating: false, // used to avoid concurrent pagination requests pulling in dup contents paginating: false, // used to avoid concurrent pagination requests pulling in dup contents
@ -159,12 +157,15 @@ angular.module('RoomController', ['ngSanitize', 'matrixFilter', 'mFileInput'])
else { else {
$scope.state.paginating = true; $scope.state.paginating = true;
} }
// console.log("paginateBackMessages from " + $scope.state.earliest_token + " for " + numItems);
console.log("paginateBackMessages from " + $rootScope.events.rooms[$scope.room_id].pagination.earliest_token + " for " + numItems);
var originalTopRow = $("#messageTable>tbody>tr:first")[0]; var originalTopRow = $("#messageTable>tbody>tr:first")[0];
matrixService.paginateBackMessages($scope.room_id, $scope.state.earliest_token, numItems).then(
// Paginate events from the point in cache
matrixService.paginateBackMessages($scope.room_id, $rootScope.events.rooms[$scope.room_id].pagination.earliest_token, numItems).then(
function(response) { function(response) {
eventHandlerService.handleEvents(response.data.chunk, false);
$scope.state.earliest_token = response.data.end; eventHandlerService.handleRoomMessages($scope.room_id, response.data, false);
if (response.data.chunk.length < MESSAGES_PER_PAGINATION) { if (response.data.chunk.length < MESSAGES_PER_PAGINATION) {
// no more messages to paginate. this currently never gets turned true again, as we never // no more messages to paginate. this currently never gets turned true again, as we never
// expire paginated contents in the current implementation. // expire paginated contents in the current implementation.
@ -660,9 +661,6 @@ angular.module('RoomController', ['ngSanitize', 'matrixFilter', 'mFileInput'])
var onInit3 = function() { var onInit3 = function() {
console.log("onInit3"); console.log("onInit3");
// TODO: We should be able to keep them
eventHandlerService.resetRoomMessages($scope.room_id);
// Make recents highlight the current room // Make recents highlight the current room
$scope.recentsSelectedRoomID = $scope.room_id; $scope.recentsSelectedRoomID = $scope.room_id;