zulip/static/js/message_flags.js

116 lines
3.0 KiB
JavaScript

var message_flags = (function () {
var exports = {};
function send_flag_update(message, flag, op) {
channel.post({
url: '/json/messages/flags',
idempotent: true,
data: {
messages: JSON.stringify([message.id]),
flag: flag,
op: op,
},
});
}
exports.send_read = (function () {
var queue = [];
var on_success;
var start;
function server_request() {
// Wait for server IDs before sending flags
var real_msgs = _.filter(queue, function (msg) {
return !msg.locally_echoed;
});
var real_msg_ids = _.map(real_msgs, function (msg) {
return msg.id;
});
if (real_msg_ids.length === 0) {
setTimeout(start, 100);
return;
}
// We have some real IDs. If there are any left in the queue when this
// call finishes, they will be handled in the success callback.
channel.post({
url: '/json/messages/flags',
idempotent: true,
data: {messages: JSON.stringify(real_msg_ids),
op: 'add',
flag: 'read'},
success: on_success,
});
}
start = _.throttle(server_request, 1000);
on_success = function on_success(data) {
if (data === undefined || data.messages === undefined) {
return;
}
queue = _.filter(queue, function (message) {
return data.messages.indexOf(message.id) === -1;
});
if (queue.length > 0) {
start();
}
};
function add(messages) {
queue = queue.concat(messages);
start();
}
return add;
}());
exports.save_collapsed = function (message) {
send_flag_update(message, 'collapsed', 'add');
};
exports.save_uncollapsed = function (message) {
send_flag_update(message, 'collapsed', 'remove');
};
// This updates the state of the starred flag in local data
// structures, and triggers a UI rerender.
exports.update_starred_flag = function (message_id, new_value) {
var message = message_store.get(message_id);
message.starred = new_value;
ui.update_starred_view(message_id, new_value);
};
exports.toggle_starred_and_update_server = function (message) {
if (message.locally_echoed) {
// This is defensive code for when you hit the "*" key
// before we get a server ack. It's rare that somebody
// can star this quickly, and we don't have a good way
// to tell the server which message was starred.
return;
}
message.starred = !message.starred;
unread_ops.notify_server_message_read(message);
ui.update_starred_view(message.id, message.starred);
if (message.starred) {
send_flag_update(message, 'starred', 'add');
} else {
send_flag_update(message, 'starred', 'remove');
}
};
return exports;
}());
if (typeof module !== 'undefined') {
module.exports = message_flags;
}
window.message_flags = message_flags;