mirror of https://github.com/zulip/zulip.git
629 lines
22 KiB
JavaScript
629 lines
22 KiB
JavaScript
var message_store = (function () {
|
|
|
|
var exports = {};
|
|
var stored_messages = {};
|
|
|
|
var load_more_enabled = true;
|
|
// If the browser hasn't scrolled away from the top of the page
|
|
// since the last time that we ran load_more_messages(), we do
|
|
// not load_more_messages().
|
|
|
|
// used for our URL rewriting in insert_new_messages
|
|
var humbug_images_re = new RegExp("https://humbug-user-uploads.s3.amazonaws.com/([^\"]+)", 'g');
|
|
|
|
exports.get = function get(message_id) {
|
|
return stored_messages[message_id];
|
|
};
|
|
|
|
exports.process_message_for_recent_subjects = function process_message_for_recent_subjects(message, remove_message) {
|
|
var current_timestamp = 0;
|
|
var count = 0;
|
|
var stream = message.stream;
|
|
var canon_subject = stream_data.canonicalized_name(message.subject);
|
|
|
|
if (! recent_subjects.has(stream)) {
|
|
recent_subjects.set(stream, []);
|
|
} else {
|
|
recent_subjects.set(stream,
|
|
_.filter(recent_subjects.get(stream), function (item) {
|
|
var is_duplicate = (item.canon_subject.toLowerCase() === canon_subject.toLowerCase());
|
|
if (is_duplicate) {
|
|
current_timestamp = item.timestamp;
|
|
count = item.count;
|
|
}
|
|
|
|
return !is_duplicate;
|
|
}));
|
|
}
|
|
|
|
var recents = recent_subjects.get(stream);
|
|
|
|
if (remove_message !== undefined) {
|
|
count = count - 1;
|
|
} else {
|
|
count = count + 1;
|
|
}
|
|
|
|
if (count !== 0) {
|
|
recents.push({subject: message.subject,
|
|
canon_subject: canon_subject,
|
|
count: count,
|
|
timestamp: Math.max(message.timestamp, current_timestamp)});
|
|
}
|
|
|
|
recents.sort(function (a, b) {
|
|
return b.timestamp - a.timestamp;
|
|
});
|
|
|
|
recent_subjects.set(stream, recents);
|
|
};
|
|
|
|
function set_topic_edit_properties(message) {
|
|
message.always_visible_topic_edit = false;
|
|
message.on_hover_topic_edit = false;
|
|
if (feature_flags.disable_message_editing) {
|
|
return;
|
|
}
|
|
|
|
// Messages with no topics should always have an edit icon visible
|
|
// to encourage updating them. Admins can also edit any topic.
|
|
if (message.subject === compose.empty_subject_placeholder()) {
|
|
message.always_visible_topic_edit = true;
|
|
} else if (page_params.is_admin) {
|
|
message.on_hover_topic_edit = true;
|
|
}
|
|
}
|
|
|
|
function add_message_metadata(message) {
|
|
var cached_msg = stored_messages[message.id];
|
|
if (cached_msg !== undefined) {
|
|
// Copy the match subject and content over if they exist on
|
|
// the new message
|
|
if (message.match_subject !== undefined) {
|
|
cached_msg.match_subject = message.match_subject;
|
|
cached_msg.match_content = message.match_content;
|
|
}
|
|
return cached_msg;
|
|
}
|
|
|
|
var involved_people;
|
|
|
|
message.sent_by_me = (message.sender_email === page_params.email);
|
|
|
|
message.flags = message.flags || [];
|
|
message.historical = (message.flags !== undefined &&
|
|
message.flags.indexOf('historical') !== -1);
|
|
message.starred = message.flags.indexOf("starred") !== -1;
|
|
message.mentioned = message.flags.indexOf("mentioned") !== -1 ||
|
|
message.flags.indexOf("wildcard_mentioned") !== -1;
|
|
message.collapsed = message.flags.indexOf("collapsed") !== -1;
|
|
message.alerted = message.flags.indexOf("has_alert_word") !== -1;
|
|
message.is_me_message = message.flags.indexOf("is_me_message") !== -1;
|
|
|
|
switch (message.type) {
|
|
case 'stream':
|
|
message.is_stream = true;
|
|
message.stream = message.display_recipient;
|
|
composebox_typeahead.add_topic(message.stream, message.subject);
|
|
message.reply_to = message.sender_email;
|
|
|
|
exports.process_message_for_recent_subjects(message);
|
|
|
|
involved_people = [{'full_name': message.sender_full_name,
|
|
'email': message.sender_email}];
|
|
set_topic_edit_properties(message);
|
|
break;
|
|
|
|
case 'private':
|
|
message.is_private = true;
|
|
message.reply_to = util.normalize_recipients(
|
|
get_private_message_recipient(message, 'email'));
|
|
message.display_reply_to = get_private_message_recipient(message, 'full_name', 'email');
|
|
|
|
involved_people = message.display_recipient;
|
|
break;
|
|
}
|
|
|
|
// Add new people involved in this message to the people list
|
|
_.each(involved_people, function (person) {
|
|
// Do the hasOwnProperty() call via the prototype to avoid problems
|
|
// with keys like "hasOwnProperty"
|
|
if (! people.get_by_email(person.email)) {
|
|
people.add(person);
|
|
}
|
|
|
|
if (people.get_by_email(person.email).full_name !== person.full_name) {
|
|
people.reify(person);
|
|
}
|
|
|
|
if (message.type === 'private' && message.sent_by_me) {
|
|
// Track the number of PMs we've sent to this person to improve autocomplete
|
|
people.get_by_email(person.email).pm_recipient_count += 1;
|
|
}
|
|
});
|
|
|
|
alert_words.process_message(message);
|
|
stored_messages[message.id] = message;
|
|
return message;
|
|
}
|
|
|
|
exports.add_messages = function add_messages(messages, msg_list, opts) {
|
|
if (!messages) {
|
|
return;
|
|
}
|
|
|
|
opts = _.extend({messages_are_new: false, delay_render: false}, opts);
|
|
|
|
_.each(messages, function (msg) {
|
|
msg.content = msg.content.replace(humbug_images_re, "/user_uploads/unk/$1");
|
|
});
|
|
|
|
loading.destroy_indicator($('#page_loading_indicator'));
|
|
$('#first_run_message').remove();
|
|
|
|
msg_list.add_messages(messages, opts);
|
|
|
|
if (msg_list === home_msg_list && opts.messages_are_new) {
|
|
_.each(messages, function (message) {
|
|
if (message.local_id === undefined) {
|
|
compose.report_as_received(message);
|
|
}
|
|
});
|
|
}
|
|
};
|
|
|
|
function maybe_add_narrowed_messages(messages, msg_list, messages_are_new) {
|
|
var ids = [];
|
|
_.each(messages, function (elem) {
|
|
ids.push(elem.id);
|
|
});
|
|
|
|
channel.post({
|
|
url: '/json/messages_in_narrow',
|
|
idempotent: true,
|
|
data: {msg_ids: JSON.stringify(ids),
|
|
narrow: JSON.stringify(narrow.public_operators())},
|
|
timeout: 5000,
|
|
success: function (data) {
|
|
if (msg_list !== current_msg_list) {
|
|
// We unnarrowed in the mean time
|
|
return;
|
|
}
|
|
|
|
var new_messages = [];
|
|
var elsewhere_messages = [];
|
|
_.each(messages, function (elem) {
|
|
if (data.messages.hasOwnProperty(elem.id)) {
|
|
elem.match_subject = data.messages[elem.id].match_subject;
|
|
elem.match_content = data.messages[elem.id].match_content;
|
|
new_messages.push(elem);
|
|
} else {
|
|
elsewhere_messages.push(elem);
|
|
}
|
|
});
|
|
|
|
new_messages = _.map(new_messages, add_message_metadata);
|
|
exports.add_messages(new_messages, msg_list, {messages_are_new: messages_are_new});
|
|
unread.process_visible();
|
|
notifications.possibly_notify_new_messages_outside_viewport(new_messages);
|
|
notifications.notify_messages_outside_current_search(elsewhere_messages);
|
|
},
|
|
error: function (xhr) {
|
|
// We might want to be more clever here
|
|
setTimeout(function () {
|
|
if (msg_list === current_msg_list) {
|
|
// Don't actually try again if we unnarrowed
|
|
// while waiting
|
|
maybe_add_narrowed_messages(messages, msg_list, messages_are_new);
|
|
}
|
|
}, 5000);
|
|
}});
|
|
}
|
|
|
|
exports.update_messages = function update_messages(events) {
|
|
var msgs_to_rerender = [];
|
|
var topic_edited = false;
|
|
var changed_narrow = false;
|
|
|
|
_.each(events, function (event) {
|
|
var msg = stored_messages[event.message_id];
|
|
if (msg === undefined) {
|
|
return;
|
|
}
|
|
msgs_to_rerender.push(msg);
|
|
|
|
msg.alerted = event.flags.indexOf("has_alert_word") !== -1;
|
|
msg.mentioned = event.flags.indexOf("mentioned") !== -1 ||
|
|
event.flags.indexOf("wildcard_mentioned") !== -1;
|
|
|
|
condense.un_cache_message_content_height(msg.id);
|
|
|
|
if (event.rendered_content !== undefined) {
|
|
msg.content = event.rendered_content;
|
|
}
|
|
|
|
var row = current_msg_list.get_row(event.message_id);
|
|
if (row.length > 0) {
|
|
message_edit.end(row);
|
|
}
|
|
|
|
if (event.subject !== undefined) {
|
|
// A topic edit may affect multiple messages, listed in
|
|
// event.message_ids. event.message_id is still the first message
|
|
// where the user initiated the edit.
|
|
topic_edited = true;
|
|
|
|
var going_forward_change = _.indexOf(['change_later', 'change_all'], event.propagate_mode) >= 0;
|
|
|
|
var stream_name = stream_data.get_sub_by_id(event.stream_id).name;
|
|
var compose_stream_name = compose.stream_name();
|
|
|
|
if (going_forward_change && stream_name && compose_stream_name) {
|
|
if (stream_name.toLowerCase() === compose_stream_name.toLowerCase()) {
|
|
if (event.orig_subject === compose.subject()) {
|
|
compose.subject(event.subject);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (going_forward_change) {
|
|
var current_id = current_msg_list.selected_id();
|
|
var selection_changed_topic = _.indexOf(event.message_ids, current_id) >= 0;
|
|
|
|
if (selection_changed_topic) {
|
|
var current_filter = narrow.filter();
|
|
if (current_filter && stream_name) {
|
|
if (current_filter.has_topic(stream_name, event.orig_subject)) {
|
|
var new_filter = current_filter.filter_with_new_topic(event.subject);
|
|
var operators = new_filter.operators();
|
|
var opts = {
|
|
trigger: 'topic change',
|
|
then_select_id: current_id
|
|
};
|
|
narrow.activate(operators, opts);
|
|
changed_narrow = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
_.each(event.message_ids, function (id) {
|
|
var msg = message_store.get(id);
|
|
if (msg === undefined) {
|
|
return;
|
|
}
|
|
|
|
// Remove the recent subjects entry for the old subject;
|
|
// must be called before we update msg.subject
|
|
exports.process_message_for_recent_subjects(msg, true);
|
|
// Update the unread counts; again, this must be called
|
|
// before we update msg.subject
|
|
unread.update_unread_subjects(msg, event);
|
|
|
|
msg.subject = event.subject;
|
|
msg.subject_links = event.subject_links;
|
|
set_topic_edit_properties(msg);
|
|
// Add the recent subjects entry for the new subject; must
|
|
// be called after we update msg.subject
|
|
exports.process_message_for_recent_subjects(msg);
|
|
});
|
|
}
|
|
|
|
msg.last_edit_timestamp = event.edit_timestamp;
|
|
delete msg.last_edit_timestr;
|
|
|
|
notifications.received_messages([msg]);
|
|
alert_words.process_message(msg);
|
|
});
|
|
|
|
// If a topic was edited, we re-render the whole view to get any propagated edits
|
|
// to be updated
|
|
if (topic_edited) {
|
|
if (!changed_narrow) {
|
|
home_msg_list.rerender();
|
|
if (current_msg_list === narrowed_msg_list) {
|
|
narrowed_msg_list.rerender();
|
|
}
|
|
}
|
|
} else {
|
|
home_msg_list.view.rerender_messages(msgs_to_rerender);
|
|
if (current_msg_list === narrowed_msg_list) {
|
|
narrowed_msg_list.view.rerender_messages(msgs_to_rerender);
|
|
}
|
|
}
|
|
unread.update_unread_counts();
|
|
stream_list.update_streams_sidebar();
|
|
};
|
|
|
|
exports.insert_new_messages = function insert_new_messages(messages) {
|
|
messages = _.map(messages, add_message_metadata);
|
|
|
|
// You must add add messages to home_msg_list BEFORE
|
|
// calling unread.process_loaded_messages.
|
|
exports.add_messages(messages, home_msg_list, {messages_are_new: true});
|
|
exports.add_messages(messages, all_msg_list, {messages_are_new: true});
|
|
|
|
if (narrow.active()) {
|
|
if (narrow.filter().can_apply_locally()) {
|
|
exports.add_messages(messages, narrowed_msg_list, {messages_are_new: true});
|
|
notifications.possibly_notify_new_messages_outside_viewport(messages);
|
|
} else {
|
|
// if we cannot apply locally, we have to wait for this callback to happen to notify
|
|
maybe_add_narrowed_messages(messages, narrowed_msg_list, true);
|
|
}
|
|
} else {
|
|
notifications.possibly_notify_new_messages_outside_viewport(messages);
|
|
}
|
|
|
|
process_loaded_for_unread(messages);
|
|
|
|
if (narrow.narrowed_by_reply()) {
|
|
// If you send a message when narrowed to a recipient, move the
|
|
// pointer to it.
|
|
|
|
var i;
|
|
var selected_id = current_msg_list.selected_id();
|
|
|
|
// Iterate backwards to find the last message sent_by_me, stopping at
|
|
// the pointer position.
|
|
for (i = messages.length-1; i>=0; i--){
|
|
var id = messages[i].id;
|
|
if (id <= selected_id) {
|
|
break;
|
|
}
|
|
if (messages[i].sent_by_me && current_msg_list.get(id) !== undefined) {
|
|
// If this is a reply we just sent, advance the pointer to it.
|
|
current_msg_list.select_id(messages[i].id, {then_scroll: true,
|
|
from_scroll: true});
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
unread.process_visible();
|
|
notifications.received_messages(messages);
|
|
stream_list.update_streams_sidebar();
|
|
};
|
|
|
|
function process_result(messages, opts) {
|
|
$('#get_old_messages_error').hide();
|
|
|
|
if ((messages.length === 0) && (current_msg_list === narrowed_msg_list) &&
|
|
narrowed_msg_list.empty()) {
|
|
// Even after trying to load more messages, we have no
|
|
// messages to display in this narrow.
|
|
narrow.show_empty_narrow_message();
|
|
}
|
|
|
|
messages = _.map(messages, add_message_metadata);
|
|
|
|
// If we're loading more messages into the home view, save them to
|
|
// the all_msg_list as well, as the home_msg_list is reconstructed
|
|
// from all_msg_list.
|
|
if (opts.msg_list === home_msg_list) {
|
|
process_loaded_for_unread(messages);
|
|
exports.add_messages(messages, all_msg_list, {messages_are_new: false});
|
|
}
|
|
|
|
if (messages.length !== 0 && !opts.cont_will_add_messages) {
|
|
exports.add_messages(messages, opts.msg_list, {messages_are_new: false});
|
|
}
|
|
|
|
stream_list.update_streams_sidebar();
|
|
|
|
if (opts.cont !== undefined) {
|
|
opts.cont(messages);
|
|
}
|
|
}
|
|
|
|
function get_old_messages_success(data, opts) {
|
|
if (tutorial.is_running()) {
|
|
// Don't actually process the messages until the tutorial is
|
|
// finished, but do disable the loading indicator so it isn't
|
|
// distracting in the background
|
|
loading.destroy_indicator($('#page_loading_indicator'));
|
|
tutorial.defer(function () { get_old_messages_success(data, opts); });
|
|
return;
|
|
}
|
|
|
|
if (opts.msg_list.narrowed && opts.msg_list !== current_msg_list) {
|
|
// We unnarrowed before receiving new messages so
|
|
// don't bother processing the newly arrived messages.
|
|
return;
|
|
}
|
|
if (! data) {
|
|
// The server occationally returns no data during a
|
|
// restart. Ignore those responses and try again
|
|
setTimeout(function () {
|
|
exports.load_old_messages(opts);
|
|
}, 0);
|
|
return;
|
|
}
|
|
|
|
process_result(data.messages, opts);
|
|
resize.resize_bottom_whitespace();
|
|
}
|
|
|
|
exports.load_old_messages = function load_old_messages(opts) {
|
|
opts = _.extend({cont_will_add_messages: false}, opts);
|
|
|
|
var data = {anchor: opts.anchor,
|
|
num_before: opts.num_before,
|
|
num_after: opts.num_after};
|
|
|
|
if (opts.msg_list.narrowed && narrow.active()) {
|
|
var operators = narrow.public_operators();
|
|
if (page_params.narrow !== undefined) {
|
|
operators = operators.concat(page_params.narrow);
|
|
}
|
|
data.narrow = JSON.stringify(operators);
|
|
}
|
|
if (opts.msg_list === home_msg_list && page_params.narrow_stream !== undefined) {
|
|
data.narrow = JSON.stringify(page_params.narrow);
|
|
}
|
|
if (opts.use_first_unread_anchor) {
|
|
data.use_first_unread_anchor = true;
|
|
}
|
|
|
|
channel.post({
|
|
url: '/json/get_old_messages',
|
|
data: data,
|
|
idempotent: true,
|
|
success: function (data) {
|
|
get_old_messages_success(data, opts);
|
|
},
|
|
error: function (xhr, error_type, exn) {
|
|
if (opts.msg_list.narrowed && opts.msg_list !== current_msg_list) {
|
|
// We unnarrowed before getting an error so don't
|
|
// bother trying again or doing further processing.
|
|
return;
|
|
}
|
|
if (xhr.status === 400) {
|
|
// Bad request: We probably specified a narrow operator
|
|
// for a nonexistent stream or something. We shouldn't
|
|
// retry or display a connection error.
|
|
//
|
|
// FIXME: Warn the user when this has happened?
|
|
process_result([], opts);
|
|
return;
|
|
}
|
|
|
|
// We might want to be more clever here
|
|
$('#get_old_messages_error').show();
|
|
setTimeout(function () {
|
|
exports.load_old_messages(opts);
|
|
}, 5000);
|
|
}
|
|
});
|
|
};
|
|
|
|
exports.reset_load_more_status = function reset_load_more_status() {
|
|
load_more_enabled = true;
|
|
have_scrolled_away_from_top = true;
|
|
ui.hide_loading_more_messages_indicator();
|
|
};
|
|
|
|
exports.load_more_messages = function load_more_messages(msg_list) {
|
|
var batch_size = 100;
|
|
var oldest_message_id;
|
|
if (!load_more_enabled) {
|
|
return;
|
|
}
|
|
ui.show_loading_more_messages_indicator();
|
|
load_more_enabled = false;
|
|
if (msg_list.first() === undefined) {
|
|
oldest_message_id = page_params.initial_pointer;
|
|
} else {
|
|
oldest_message_id = msg_list.first().id;
|
|
}
|
|
exports.load_old_messages({
|
|
anchor: oldest_message_id.toFixed(),
|
|
num_before: batch_size,
|
|
num_after: 0,
|
|
msg_list: msg_list,
|
|
cont: function (messages) {
|
|
ui.hide_loading_more_messages_indicator();
|
|
if (messages.length >= batch_size) {
|
|
load_more_enabled = true;
|
|
}
|
|
}
|
|
});
|
|
};
|
|
|
|
exports.clear = function clear() {
|
|
this.stored_messages = {};
|
|
};
|
|
|
|
util.execute_early(function () {
|
|
// get the initial message list
|
|
function load_more(messages) {
|
|
|
|
// If we received the initially selected message, select it on the client side,
|
|
// but not if the user has already selected another one during load.
|
|
//
|
|
// We fall back to the closest selected id, as the user may have removed
|
|
// a stream from the home before already
|
|
if (home_msg_list.selected_id() === -1 && !home_msg_list.empty()) {
|
|
home_msg_list.select_id(page_params.initial_pointer,
|
|
{then_scroll: true, use_closest: true,
|
|
target_scroll_offset: page_params.initial_offset});
|
|
}
|
|
|
|
// catch the user up
|
|
if (messages.length !== 0) {
|
|
var latest_id = messages[messages.length-1].id;
|
|
if (latest_id < page_params.max_message_id) {
|
|
exports.load_old_messages({
|
|
anchor: latest_id.toFixed(),
|
|
num_before: 0,
|
|
num_after: 400,
|
|
msg_list: home_msg_list,
|
|
cont: load_more
|
|
});
|
|
return;
|
|
}
|
|
}
|
|
|
|
server_events.home_view_loaded();
|
|
|
|
// backfill more messages after the user is idle
|
|
var backfill_batch_size = 1000;
|
|
$(document).idle({'idle': 1000*10,
|
|
'onIdle': function () {
|
|
var first_id = all_msg_list.first().id;
|
|
exports.load_old_messages({
|
|
anchor: first_id,
|
|
num_before: backfill_batch_size,
|
|
num_after: 0,
|
|
msg_list: home_msg_list
|
|
});
|
|
}});
|
|
}
|
|
|
|
if (page_params.have_initial_messages) {
|
|
exports.load_old_messages({
|
|
anchor: page_params.initial_pointer,
|
|
num_before: 200,
|
|
num_after: 200,
|
|
msg_list: home_msg_list,
|
|
cont: load_more
|
|
});
|
|
} else {
|
|
server_events.home_view_loaded();
|
|
}
|
|
|
|
$(document).on('message_id_changed', function (event) {
|
|
var old_id = event.old_id, new_id = event.new_id;
|
|
if (furthest_read === old_id) {
|
|
furthest_read = new_id;
|
|
}
|
|
if (stored_messages[old_id]) {
|
|
stored_messages[new_id] = stored_messages[old_id];
|
|
delete stored_messages[old_id];
|
|
}
|
|
|
|
// This handler cannot be in the MessageList constructor, which is the logical place
|
|
// If it's there, the event handler creates a closure with a reference to the message
|
|
// list itself. When narrowing, the old narrow message list is discarded and a new one
|
|
// created, but due to the closure, the old list is not garbage collected. This also leads
|
|
// to the old list receiving the change id events, and throwing errors as it does not
|
|
// have the messages that you would expect in its internal data structures.
|
|
_.each([all_msg_list, home_msg_list, narrowed_msg_list], function (msg_list) {
|
|
if (msg_list !== undefined) {
|
|
msg_list.change_message_id(old_id, new_id);
|
|
|
|
if (msg_list.view !== undefined) {
|
|
msg_list.view.change_message_id(old_id, new_id);
|
|
}
|
|
}
|
|
});
|
|
});
|
|
});
|
|
|
|
return exports;
|
|
|
|
}());
|
|
if (typeof module !== 'undefined') {
|
|
module.exports = message_store;
|
|
}
|