zulip/zephyr/static/js/subs.js

262 lines
8.9 KiB
JavaScript

var subs = (function () {
var exports = {};
var stream_set = {};
var stream_colors = {};
// 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;
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);
}
}
// TODO: The way that we find the row is kind of fragile
// and liable to break with streams with " in their name,
// just like our unsubscribe button code.
function draw_colorpicker(stream_name) {
var colorpicker = $('#subscriptions_table').find('button[value="' + stream_name + '"]')
.parent().prev().find('input');
colorpicker.spectrum({
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) {
var hex_color = color.toHexString();
stream_colors[stream_name] = 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;
if (!exports.have(stream_name)) {
stream_list.push(stream_name);
stream_set[stream_name.toLowerCase()] = true;
stream_sub_row = $('#subscriptions_table').find('button[value="' + stream_name + '"]');
if (stream_sub_row.length) {
stream_sub_row.text("Unsubscribe")
.removeClass("btn-primary")
.unbind("click")
.removeAttr("onclick")
.click(function (event) {exports.unsubscribe(stream_name);});
} else {
$('#subscriptions_table').prepend(templates.subscription({
subscription: stream_name,color: "c2c2c2"}));
draw_colorpicker(stream_name);
}
}
}
function remove_from_stream_list(stream_name) {
delete stream_set[stream_name.toLowerCase()];
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) {
return stream_colors[stream_name];
};
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_colors[stream_name] = color;
if (initial_color_fetch) {
update_historical_message_color(stream_name, color);
}
});
initial_color_fetch = false;
}
}
});
};
exports.fetch = function () {
$.ajax({
type: 'POST',
url: '/json/subscriptions/list',
dataType: 'json',
timeout: 10*1000,
success: function (data) {
$('#subscriptions_table tr').remove();
if (data) {
$.each(data.subscriptions, function (index, data) {
var stream_name = data[0];
var color = data[1];
stream_colors[stream_name] = color;
$('#subscriptions_table').append(templates.subscription({
subscription: stream_name, color: color}));
draw_colorpicker(stream_name);
});
}
$('#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();
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_set[stream_name.toLowerCase()] === true);
};
function ajaxSubscribe(stream) {
$.ajax({
type: "POST",
url: "/json/subscriptions/add",
dataType: 'json', // This seems to be ignored. We still get back an xhr.
data: {"subscriptions": JSON.stringify([stream]) },
success: function (resp, statusText, xhr, form) {
if ($("#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);
$("#streams").focus();
},
error: function (xhr) {
ui.report_error("Error adding subscription", xhr, $("#subscriptions-status"));
$("#streams").focus();
}
});
}
exports.unsubscribe = function (stream) {
$.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"));
}
$('#subscriptions_table').find('button[value="' + name + '"]').text("Subscribe")
.addClass("btn-primary")
.unbind("click")
.removeAttr("onclick")
.click(function (e) {
e.preventDefault();
ajaxSubscribe(name);
});
remove_from_stream_list(name);
typeahead_helper.update_autocomplete();
$("#streams").focus();
},
error: function (xhr) {
ui.report_error("Error removing subscription", xhr, $("#subscriptions-status"));
$("#streams").focus();
}
});
};
$(function () {
var i;
// Populate stream_set with data handed over to client-side template.
for (i = 0; i < stream_list.length; i++) {
stream_set[stream_list[i].toLowerCase()] = true;
}
$("#add_new_subscription").on("submit", function (e) {
e.preventDefault();
ajaxSubscribe($("#streams").val());
});
});
return exports;
}());