zulip/zephyr/static/js/subs.js

387 lines
14 KiB
JavaScript

var subs = (function () {
var exports = {};
var stream_info = {}; // Maps lowercase stream name to stream properties object
var removed_streams = {};
// We fetch the stream colors asynchronous while the message feed is
// getting constructed, so we may need to go back and color streams
// that have already been rendered.
var initial_color_fetch = true;
var default_color = "#c2c2c2";
var next_sub_id = 0;
function render_subscribers() {
return domain !== 'mit.edu';
}
function case_insensitive_subscription_index(stream_name) {
var i;
var name = stream_name.toLowerCase();
for (i = 1; i < stream_list.length; i++) {
if (name === stream_list[i].toLowerCase()) {
return i;
}
}
return -1;
}
function update_table_stream_color(table, stream_name, color) {
$.each(table.find(".stream_label"), function () {
if ($(this).text() === stream_name) {
var parent_label = $(this).parent("td");
parent_label.css("background-color", color);
parent_label.prev("td").css("background-color", color);
}
});
}
function update_historical_message_color(stream_name, color) {
update_table_stream_color($(".focused_table"), stream_name, color);
if ($(".focused_table").attr("id") !== "#zhome") {
update_table_stream_color($("#zhome"), stream_name, color);
}
}
var colorpicker_options = {
clickoutFiresChange: true,
showPalette: true,
palette: [
['a47462', 'c2726a', 'e4523d', 'e7664d', 'ee7e4a', 'f4ae55'],
['76ce90', '53a063', '94c849', 'bfd56f', 'fae589', 'f5ce6e'],
['a6dcbf', 'addfe5', 'a6c7e5', '4f8de4', '95a5fd', 'b0a5fd'],
['c2c2c2', 'c8bebf', 'c6a8ad', 'e79ab5', 'bd86e5', '9987e1']
],
change: function (color) {
// TODO: Kind of a hack.
var sub_row = $(this).closest('.subscription_row');
var stream_name = sub_row.find('.subscription_name').text();
var hex_color = color.toHexString();
stream_info[stream_name.toLowerCase()].color = hex_color;
sub_row.find('.color_swatch').css('background-color', hex_color);
update_historical_message_color(stream_name, hex_color);
$.ajax({
type: 'POST',
url: '/json/subscriptions/property',
dataType: 'json',
data: {
"property": "stream_colors",
"stream_name": stream_name,
"color": hex_color
},
timeout: 10*1000
});
}
};
function add_to_stream_list(stream_name) {
var stream_sub_row;
var sub;
if (exports.have(stream_name)) {
return;
}
var lstream_name = stream_name.toLowerCase();
stream_list.push(stream_name);
if (removed_streams[lstream_name] !== undefined) {
sub = removed_streams[lstream_name];
delete removed_streams[lstream_name];
stream_info[lstream_name] = sub;
} else {
sub = {name: stream_name, id: next_sub_id++, color: default_color,
render_subscribers: render_subscribers()};
stream_info[lstream_name] = sub;
$('#subscriptions_table').prepend(templates.subscription({subscriptions: [sub]}));
}
}
function remove_from_stream_list(stream_name) {
var lstream_name = stream_name.toLowerCase();
removed_streams[lstream_name] = stream_info[lstream_name];
delete stream_info[lstream_name];
var removal_index = case_insensitive_subscription_index(stream_name);
if (removal_index !== -1) {
stream_list.splice(removal_index, 1);
}
}
exports.get_color = function (stream_name) {
var lstream_name = stream_name.toLowerCase();
if (stream_info[lstream_name] === undefined) {
return default_color;
}
return stream_info[lstream_name].color;
};
exports.fetch_colors = function () {
$.ajax({
type: 'GET',
url: '/json/subscriptions/property',
dataType: 'json',
data: {"property": "stream_colors"},
timeout: 10*1000,
success: function (data) {
if (data) {
$.each(data.stream_colors, function (index, data) {
var stream_name = data[0];
var color = data[1];
stream_info[stream_name.toLowerCase()].color = color;
if (initial_color_fetch) {
update_historical_message_color(stream_name, color);
}
});
initial_color_fetch = false;
}
}
});
};
exports.setup_page = function () {
// TODO: We really want to show a spinner while we're fetching
// the subs
$.ajax({
type: 'POST',
url: '/json/subscriptions/list',
dataType: 'json',
timeout: 10*1000,
success: function (data) {
$('#subscriptions_table tr').remove();
removed_streams = {};
if (data) {
var subscriptions = [];
$.each(data.subscriptions, function (index, data) {
var stream_name = data[0];
var sub = {name: stream_name, id: next_sub_id++,
color: data[1], render_subscribers: render_subscribers()};
stream_info[stream_name.toLowerCase()] = sub;
subscriptions.push(sub);
});
$('#subscriptions_table').append(templates.subscription({subscriptions: subscriptions}));
}
$('#streams').focus().select();
},
error: function (xhr) {
ui.report_error("Error listing subscriptions", xhr, $("#subscriptions-status"));
}
});
};
exports.subscribe_for_send = function (stream, prompt_button) {
$.ajax({
type: 'POST',
url: '/json/subscriptions/add',
data: {"subscriptions": JSON.stringify([stream]) },
dataType: 'json',
timeout: 10*60*1000, // 10 minutes in ms
success: function (response) {
add_to_stream_list(stream);
compose.finish();
if (prompt_button !== undefined)
prompt_button.stop(true).fadeOut(500);
},
error: function (xhr, error_type, exn) {
ui.report_error("Unable to subscribe", xhr, $("#home-error"));
}
});
};
exports.have = function (stream_name) {
return (stream_info[stream_name.toLowerCase()] !== undefined);
};
function ajaxSubscribe(stream, button) {
$.ajax({
type: "POST",
url: "/json/subscriptions/add",
dataType: 'json', // This seems to be ignored. We still get back an xhr.
data: {"subscriptions": JSON.stringify([stream]) },
success: function (resp, statusText, xhr, form) {
if ($("#streams").val() === stream) {
$("#streams").val("");
}
var name, res = $.parseJSON(xhr.responseText);
if (res.subscribed.length === 0) {
name = res.already_subscribed[0];
ui.report_success("Already subscribed to " + name, $("#subscriptions-status"));
} else {
name = res.subscribed[0];
ui.report_success("Successfully added subscription to " + name,
$("#subscriptions-status"));
}
add_to_stream_list(name);
if (button !== undefined) {
button.text("Unsubscribe").removeClass("btn-primary");
}
typeahead_helper.update_autocomplete();
},
error: function (xhr) {
ui.report_error("Error adding subscription", xhr, $("#subscriptions-status"));
$("#streams").focus();
}
});
}
function ajaxUnsubscribe(stream, button) {
$.ajax({
type: "POST",
url: "/json/subscriptions/remove",
dataType: 'json', // This seems to be ignored. We still get back an xhr.
data: {"subscriptions": JSON.stringify([stream]) },
success: function (resp, statusText, xhr, form) {
var name, res = $.parseJSON(xhr.responseText);
if (res.removed.length === 0) {
name = res.not_subscribed[0];
ui.report_success("Already not subscribed to " + name,
$("#subscriptions-status"));
} else {
name = res.removed[0];
ui.report_success("Successfully removed subscription to " + name,
$("#subscriptions-status"));
}
remove_from_stream_list(name);
button.text("Subscribe").addClass("btn-primary");
typeahead_helper.update_autocomplete();
},
error: function (xhr) {
ui.report_error("Error removing subscription", xhr, $("#subscriptions-status"));
$("#streams").focus();
}
});
}
$(function () {
var i;
// Populate stream_info with data handed over to client-side template.
for (i = 0; i < stream_list.length; i++) {
stream_info[stream_list[i].toLowerCase()] = {color: default_color};
}
$("#add_new_subscription").on("submit", function (e) {
e.preventDefault();
ajaxSubscribe($("#streams").val());
});
if (! render_subscribers()) {
return;
}
$("#subscriptions_table").on("click", ".sub_unsub_button", function (e) {
e.preventDefault();
e.stopPropagation();
var sub_row = $(e.target).closest('.subscription_row');
var stream_name = sub_row.find('.subscription_name').text();
var sub = stream_info[stream_name.toLowerCase()];
if (sub) {
ajaxUnsubscribe(stream_name, $(e.target));
} else {
ajaxSubscribe(stream_name, $(e.target));
}
});
// From here down is only stuff that happens when we're rendering
// the subscriber settings
$("#subscriptions_table").on("submit", ".subscriber_list_add form", function (e) {
e.preventDefault();
var sub_row = $(e.target).closest('.subscription_row');
var stream = sub_row.find('.subscription_name').text();
var text_box = sub_row.find('input[name="principal"]');
var principal = $.trim(text_box.val());
// TODO: clean up this error handling
var error_elem = sub_row.find('.subscriber_list_container .alert-error');
var warning_elem = sub_row.find('.subscriber_list_container .alert-warning');
var list = sub_row.find('.subscriber_list_container ul');
$.ajax({
type: "POST",
url: "/json/subscriptions/add",
dataType: 'json',
data: {"subscriptions": JSON.stringify([stream]),
"principal": principal},
success: function (data) {
text_box.val('');
if (data.subscribed.length) {
error_elem.addClass("hide");
warning_elem.addClass("hide");
var subscriber = people_dict[principal].full_name + ' <' + principal + '>';
$('<li>').prependTo(list).text(subscriber);
} else {
error_elem.addClass("hide");
warning_elem.removeClass("hide").text("User already subscribed");
}
},
error: function (xhr) {
warning_elem.addClass("hide");
error_elem.removeClass("hide").text("Could not add user to this stream");
}
});
});
$("#subscriptions_table").on("show", ".subscription_settings", function (e) {
var sub_row = $(e.target).closest('.subscription_row');
var stream = sub_row.find('.subscription_name').text();
var error_elem = sub_row.find('.subscriber_list_container .alert-error');
var list = sub_row.find('.subscriber_list_container ul');
var colorpicker = sub_row.find('.colorpicker');
colorpicker.spectrum(colorpicker_options);
error_elem.addClass('hide');
list.empty();
// TODO: Show a spinner while the list is loading
$.ajax({
type: "POST",
url: "/json/get_subscribers",
dataType: 'json', // This seems to be ignored. We still get back an xhr.
data: {stream: stream},
success: function (data) {
var subscribers = $.map(data.subscribers, function (elem) {
var person = people_dict[elem];
if (person === undefined) {
return elem;
}
return people_dict[elem].full_name + ' <' + elem + '>';
});
$.each(subscribers.sort(), function (idx, elem) {
$('<li>').appendTo(list).text(elem);
});
},
error: function (xhr) {
error_elem.removeClass("hide").text("Could not fetch subscriber list");
}
});
sub_row.find('input[name="principal"]').typeahead({
source: typeahead_helper.private_message_typeahead_list,
items: 4,
highlighter: function (item) {
var query = this.query;
return typeahead_helper.highlight_with_escaping(query, item);
},
matcher: function (item) {
var query = $.trim(this.query);
if (query === '') {
return false;
}
// Case-insensitive.
return (item.toLowerCase().indexOf(query.toLowerCase()) !== -1);
},
updater: function (item) {
return typeahead_helper.private_message_mapped[item].email;
}
});
});
});
return exports;
}());