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stream_edit: Convert module to typescript.

This commit is contained in:
evykassirer 2024-10-16 17:46:07 -07:00 committed by Tim Abbott
parent 16e3894bfa
commit 01b1a51a86
6 changed files with 248 additions and 174 deletions
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2
tools/test-js-with-node
View File

@ -243,7 +243,7 @@ EXEMPT_FILES = make_set(
"web/src/stream_color_events.ts",
"web/src/stream_create.ts",
"web/src/stream_create_subscribers.ts",
"web/src/stream_edit.js",
"web/src/stream_edit.ts",
"web/src/stream_edit_subscribers.ts",
"web/src/stream_edit_toggler.ts",
"web/src/stream_list.ts",

2
web/src/peer_data.ts
View File

@ -43,7 +43,7 @@ export function potential_subscribers(stream_id: number): User[] {
stream. This may include some bots.
We currently use it for typeahead in
stream_edit.js.
stream_edit.ts.
This may be a superset of the actual
subscribers that you can change in some cases

2
web/src/settings_org.ts
View File

@ -801,7 +801,7 @@ export function save_organization_settings(
data: Record<string, string | number | boolean>,
$save_button: JQuery,
patch_url: string,
success_continuation: (() => void) | undefined,
success_continuation: (() => void) | undefined = undefined,
): void {
const $subsection_parent = $save_button.closest(".settings-subsection-parent");
const $save_btn_container = $subsection_parent.find(".save-button-controls");

392
web/src/stream_edit.js → web/src/stream_edit.ts
View File

@ -1,5 +1,7 @@
import ClipboardJS from "clipboard";
import $ from "jquery";
import assert from "minimalistic-assert";
import {z} from "zod";
import render_settings_deactivation_stream_modal from "../templates/confirm_dialog/confirm_deactivate_stream.hbs";
import render_inline_decorated_stream_name from "../templates/inline_decorated_stream_name.hbs";
@ -31,20 +33,43 @@ import * as stream_data from "./stream_data";
import * as stream_edit_subscribers from "./stream_edit_subscribers";
import * as stream_edit_toggler from "./stream_edit_toggler";
import * as stream_settings_api from "./stream_settings_api";
import type {SubData} from "./stream_settings_api";
import * as stream_settings_components from "./stream_settings_components";
import * as stream_settings_containers from "./stream_settings_containers";
import * as stream_settings_data from "./stream_settings_data";
import {stream_specific_notification_settings_schema} from "./stream_types";
import type {SettingsSubscription} from "./stream_settings_data";
import {
stream_properties_schema,
stream_specific_notification_settings_schema,
} from "./stream_types";
import * as stream_ui_updates from "./stream_ui_updates";
import * as sub_store from "./sub_store";
import type {StreamSubscription} from "./sub_store";
import * as ui_report from "./ui_report";
import * as user_groups from "./user_groups";
import {user_settings} from "./user_settings";
import * as util from "./util";
type StreamSetting = {
name: z.output<typeof settings_labels_schema>;
label: string;
disabled_realm_setting: boolean;
is_disabled: boolean;
has_global_notification_setting: boolean;
is_checked: boolean;
};
const settings_labels_schema = stream_properties_schema.omit({color: true}).keyof();
const realm_labels_schema = z.enum([
"push_notifications",
"enable_online_push_notifications",
"message_content_in_email_notifications",
]);
const notification_labels_schema = stream_specific_notification_settings_schema.keyof();
export function setup_subscriptions_tab_hash(tab_key_value) {
export function setup_subscriptions_tab_hash(tab_key_value: string): void {
if ($("#subscription_overlay .right").hasClass("show")) {
return;
}
@ -67,7 +92,7 @@ export function setup_subscriptions_tab_hash(tab_key_value) {
}
}
export function get_display_text_for_realm_message_retention_setting() {
export function get_display_text_for_realm_message_retention_setting(): string {
const realm_message_retention_days = realm.realm_message_retention_days;
if (realm_message_retention_days === settings_config.retain_message_forever) {
return $t({defaultMessage: "(forever)"});
@ -78,19 +103,21 @@ export function get_display_text_for_realm_message_retention_setting() {
);
}
function get_stream_id(target) {
function get_stream_id(target: HTMLElement): number {
const $row = $(target).closest(
".stream-row, .stream_settings_header, .subscription_settings, .save-button",
);
return Number.parseInt($row.attr("data-stream-id"), 10);
return Number.parseInt($row.attr("data-stream-id")!, 10);
}
function get_sub_for_target(target) {
function get_sub_for_target(target: HTMLElement): StreamSubscription {
const stream_id = get_stream_id(target);
return sub_store.get(stream_id);
const sub = sub_store.get(stream_id);
assert(sub !== undefined);
return sub;
}
export function open_edit_panel_for_row(stream_row) {
export function open_edit_panel_for_row(stream_row: HTMLElement): void {
const sub = get_sub_for_target(stream_row);
$(".stream-row.active").removeClass("active");
@ -99,19 +126,22 @@ export function open_edit_panel_for_row(stream_row) {
setup_stream_settings(stream_row);
}
export function empty_right_panel() {
export function empty_right_panel(): void {
$(".stream-row.active").removeClass("active");
$("#subscription_overlay .right").removeClass("show");
stream_settings_components.show_subs_pane.nothing_selected();
}
export function open_edit_panel_empty() {
const tab_key = stream_settings_components.get_active_data().$tabs.first().attr("data-tab-key");
export function open_edit_panel_empty(): void {
const tab_key = stream_settings_components
.get_active_data()
.$tabs.first()
.attr("data-tab-key")!;
empty_right_panel();
setup_subscriptions_tab_hash(tab_key);
}
export function update_stream_name(sub, new_name) {
export function update_stream_name(sub: StreamSubscription, new_name: string): void {
const $edit_container = stream_settings_containers.get_edit_container(sub);
if (sub.email_address !== undefined) {
$edit_container.find(".email-address").text(sub.email_address);
@ -124,7 +154,7 @@ export function update_stream_name(sub, new_name) {
}
}
export function update_stream_description(sub) {
export function update_stream_description(sub: StreamSubscription): void {
const $edit_container = stream_settings_containers.get_edit_container(sub);
$edit_container.find("input.description").val(sub.description);
const html = render_stream_description({
@ -133,7 +163,7 @@ export function update_stream_description(sub) {
$edit_container.find(".stream-description").html(html);
}
function show_subscription_settings(sub) {
function show_subscription_settings(sub: SettingsSubscription): void {
const $edit_container = stream_settings_containers.get_edit_container(sub);
const $colorpicker = $edit_container.find(".colorpicker");
@ -163,42 +193,48 @@ function show_subscription_settings(sub) {
});
}
function is_notification_setting(setting_label) {
function is_notification_setting(setting_label: string): boolean {
return (
notification_labels_schema.safeParse(setting_label).success || setting_label === "is_muted"
);
}
export function stream_settings(sub) {
export function stream_settings(sub: StreamSubscription): StreamSetting[] {
const settings_labels = settings_config.general_notifications_table_labels.stream;
const check_realm_setting =
settings_config.all_notifications(user_settings).disabled_notification_settings;
return settings_labels.map(([setting, label]) => {
const parsed_realm_setting = realm_labels_schema.safeParse(setting);
const realm_setting = parsed_realm_setting.success
? check_realm_setting[parsed_realm_setting.data]
: false;
const notification_setting = notification_labels_schema.safeParse(setting);
const ret = {
name: setting,
label,
disabled_realm_setting: check_realm_setting[setting],
is_disabled: check_realm_setting[setting],
has_global_notification_setting: notification_setting.success,
};
let is_checked;
if (notification_setting.success) {
// This block ensures we correctly display to users the
// current state of stream-level notification settings
// with a value of `null`, which inherit the user's global
// notification settings for streams.
ret.is_checked =
stream_data.receives_notifications(sub.stream_id, setting) &&
!check_realm_setting[setting];
return ret;
is_checked =
stream_data.receives_notifications(sub.stream_id, notification_setting.data) &&
!realm_setting;
} else {
is_checked = Boolean(sub[setting]) && !realm_setting;
}
ret.is_checked = sub[setting] && !check_realm_setting[setting];
return ret;
return {
name: setting,
label,
disabled_realm_setting: realm_setting,
is_disabled: realm_setting,
has_global_notification_setting: notification_setting.success,
is_checked,
};
});
}
function setup_dropdown(sub, slim_sub) {
function setup_dropdown(sub: StreamSubscription, slim_sub: StreamSubscription): void {
const can_remove_subscribers_group_widget = new dropdown_widget.DropdownWidget({
widget_name: "can_remove_subscribers_group",
get_options: () =>
@ -231,17 +267,18 @@ function setup_dropdown(sub, slim_sub) {
can_remove_subscribers_group_widget.setup();
}
export function show_settings_for(node) {
export function show_settings_for(node: HTMLElement): void {
// Hide any tooltips or popovers before we rerender / change
// currently displayed stream settings.
popovers.hide_all();
const stream_id = get_stream_id(node);
const slim_sub = sub_store.get(stream_id);
assert(slim_sub !== undefined);
stream_data.clean_up_description(slim_sub);
const sub = stream_settings_data.get_sub_for_settings(slim_sub);
const all_settings = stream_settings(sub);
const other_settings = [];
const other_settings: StreamSetting[] = [];
const notification_settings = all_settings.filter((setting) => {
if (is_notification_setting(setting.name)) {
return true;
@ -293,12 +330,12 @@ export function show_settings_for(node) {
);
}
export function setup_stream_settings(node) {
export function setup_stream_settings(node: HTMLElement): void {
stream_edit_toggler.setup_toggler();
show_settings_for(node);
}
export function update_muting_rendering(sub) {
export function update_muting_rendering(sub: StreamSubscription): void {
const $edit_container = stream_settings_containers.get_edit_container(sub);
const $is_muted_checkbox = $edit_container.find("#sub_is_muted_setting .sub_setting_control");
@ -306,15 +343,15 @@ export function update_muting_rendering(sub) {
$edit_container.find(".mute-note").toggleClass("hide-mute-note", !sub.is_muted);
}
function stream_notification_reset(elem) {
function stream_notification_reset(elem: HTMLElement): void {
const sub = get_sub_for_target(elem);
const data = [{stream_id: sub.stream_id, property: "is_muted", value: false}];
const data: SubData = [{stream_id: sub.stream_id, property: "is_muted", value: false}];
for (const [per_stream_setting_name, global_setting_name] of Object.entries(
settings_config.generalize_stream_notification_setting,
)) {
data.push({
stream_id: sub.stream_id,
property: per_stream_setting_name,
property: settings_labels_schema.parse(per_stream_setting_name),
value: user_settings[global_setting_name],
});
}
@ -325,10 +362,10 @@ function stream_notification_reset(elem) {
);
}
function stream_setting_changed(elem) {
function stream_setting_changed(elem: HTMLInputElement): void {
const sub = get_sub_for_target(elem);
const $status_element = $(elem).closest(".subsection-parent").find(".alert-notification");
const setting = elem.name;
const setting = settings_labels_schema.parse(elem.name);
const notification_setting = notification_labels_schema.safeParse(setting);
if (notification_setting.success && sub[setting] === null) {
sub[setting] =
@ -343,7 +380,11 @@ function stream_setting_changed(elem) {
);
}
export function archive_stream(stream_id, $alert_element, $stream_row) {
export function archive_stream(
stream_id: number,
$alert_element: JQuery,
$stream_row: JQuery,
): void {
channel.del({
url: "/json/streams/" + stream_id,
error(xhr) {
@ -355,7 +396,7 @@ export function archive_stream(stream_id, $alert_element, $stream_row) {
});
}
export function get_stream_email_address(flags, address) {
export function get_stream_email_address(flags: string[], address: string): string {
const clean_address = address
.replace(".show-sender", "")
.replace(".include-footer", "")
@ -367,7 +408,7 @@ export function get_stream_email_address(flags, address) {
return clean_address.replace("@", flag_string + "@");
}
function show_stream_email_address_modal(address) {
function show_stream_email_address_modal(address: string): void {
const copy_email_address_modal_html = render_copy_email_address_modal({
email_address: address,
tags: [
@ -401,7 +442,9 @@ function show_stream_email_address_modal(address) {
html_submit_button: $t_html({defaultMessage: "Copy address"}),
html_exit_button: $t_html({defaultMessage: "Close"}),
help_link: "/help/message-a-channel-by-email#configuration-options",
on_click() {},
on_click() {
// This is handled by the ClipboardJS object below.
},
close_on_submit: false,
});
$("#show-sender").prop("checked", true);
@ -421,10 +464,10 @@ function show_stream_email_address_modal(address) {
$("#copy_email_address_modal .tag-checkbox").on("change", () => {
const $checked_checkboxes = $(".copy-email-modal").find("input:checked");
const flags = [];
const flags: string[] = [];
$($checked_checkboxes).each(function () {
flags.push($(this).attr("id"));
flags.push($(this).attr("id")!);
});
address = get_stream_email_address(flags, address);
@ -433,7 +476,7 @@ function show_stream_email_address_modal(address) {
});
}
export function initialize() {
export function initialize(): void {
$("#main_div").on("click", ".stream_sub_unsub_button", (e) => {
e.preventDefault();
e.stopPropagation();
@ -446,35 +489,40 @@ export function initialize() {
stream_settings_components.sub_or_unsub(sub);
});
$("#channels_overlay_container").on("click", "#open_stream_info_modal", function (e) {
e.preventDefault();
e.stopPropagation();
const stream_id = get_stream_id(this);
const stream = sub_store.get(stream_id);
const template_data = {
stream_name: stream.name,
stream_description: stream.description,
max_stream_name_length: realm.max_stream_name_length,
max_stream_description_length: realm.max_stream_description_length,
};
const change_stream_info_modal = render_change_stream_info_modal(template_data);
dialog_widget.launch({
html_heading: $t_html(
{defaultMessage: "Edit #{channel_name}"},
{channel_name: stream.name},
),
html_body: change_stream_info_modal,
id: "change_stream_info_modal",
loading_spinner: true,
on_click: save_stream_info,
post_render() {
$("#change_stream_info_modal .dialog_submit_button")
.addClass("save-button")
.attr("data-stream-id", stream_id);
},
update_submit_disabled_state_on_change: true,
});
});
$("#channels_overlay_container").on(
"click",
"#open_stream_info_modal",
function (this: HTMLElement, e) {
e.preventDefault();
e.stopPropagation();
const stream_id = get_stream_id(this);
const stream = sub_store.get(stream_id);
assert(stream !== undefined);
const template_data = {
stream_name: stream.name,
stream_description: stream.description,
max_stream_name_length: realm.max_stream_name_length,
max_stream_description_length: realm.max_stream_description_length,
};
const change_stream_info_modal = render_change_stream_info_modal(template_data);
dialog_widget.launch({
html_heading: $t_html(
{defaultMessage: "Edit #{channel_name}"},
{channel_name: stream.name},
),
html_body: change_stream_info_modal,
id: "change_stream_info_modal",
loading_spinner: true,
on_click: save_stream_info,
post_render() {
$("#change_stream_info_modal .dialog_submit_button")
.addClass("save-button")
.attr("data-stream-id", stream_id);
},
update_submit_disabled_state_on_change: true,
});
},
);
$("#channels_overlay_container").on("keypress", "#change_stream_description", (e) => {
// Stream descriptions cannot be multiline, so disable enter key
@ -502,26 +550,30 @@ export function initialize() {
event.stopPropagation();
const $target = $(event.target).parents(".main-view-banner");
const stream_id = Number.parseInt($target.attr("data-stream-id"), 10);
const stream_id = Number.parseInt($target.attr("data-stream-id")!, 10);
// Makes sure we take the correct stream_row.
const $stream_row = $(
`#channels_overlay_container div.stream-row[data-stream-id='${CSS.escape(
stream_id,
stream_id.toString(),
)}']`,
);
const sub = sub_store.get(stream_id);
assert(sub !== undefined);
stream_settings_components.sub_or_unsub(sub, $stream_row);
$("#stream_permission_settings .stream-permissions-warning-banner").empty();
},
);
function save_stream_info() {
const sub = get_sub_for_target(this);
function save_stream_info(): void {
const sub = get_sub_for_target(
util.the($("#change_stream_info_modal .dialog_submit_button")),
);
const url = `/json/streams/${sub.stream_id}`;
const data = {};
const new_name = $("#change_stream_name").val().trim();
const new_description = $("#change_stream_description").val().trim();
const data: {new_name?: string; description?: string} = {};
const new_name = $<HTMLInputElement>("input#change_stream_name").val()!.trim();
const new_description = $<HTMLTextAreaElement>("textarea#change_stream_description")
.val()!
.trim();
if (new_name !== sub.name) {
data.new_name = new_name;
@ -533,82 +585,89 @@ export function initialize() {
dialog_widget.submit_api_request(channel.patch, url, data);
}
$("#channels_overlay_container").on("click", ".copy_email_button", function (e) {
e.preventDefault();
e.stopPropagation();
const stream_id = get_stream_id(this);
channel.get({
url: "/json/streams/" + stream_id + "/email_address",
success(data) {
const address = data.email;
show_stream_email_address_modal(address);
},
error(xhr) {
ui_report.error(
$t_html({defaultMessage: "Failed"}),
xhr,
$(".stream_email_address_error"),
);
},
});
});
$("#channels_overlay_container").on(
"click",
".subsection-parent .reset-stream-notifications-button",
function on_click() {
stream_notification_reset(this);
".copy_email_button",
function (this: HTMLElement, e) {
e.preventDefault();
e.stopPropagation();
const stream_id = get_stream_id(this);
channel.get({
url: "/json/streams/" + stream_id + "/email_address",
success(data) {
const address = z.object({email: z.string()}).parse(data).email;
show_stream_email_address_modal(address);
},
error(xhr) {
ui_report.error(
$t_html({defaultMessage: "Failed"}),
xhr,
$(".stream_email_address_error"),
);
},
});
},
);
$("#channels_overlay_container").on(
"click",
".subsection-parent .reset-stream-notifications-button",
function on_click(this: HTMLElement) {
stream_notification_reset(this);
},
);
$<HTMLInputElement>("input#channels_overlay_container").on(
"change",
".sub_setting_checkbox .sub_setting_control",
function on_change() {
function on_change(this: HTMLInputElement) {
stream_setting_changed(this);
},
);
// This handler isn't part of the normal edit interface; it's the convenient
// checkmark in the subscriber list.
$("#channels_overlay_container").on("click", ".sub_unsub_button", function (e) {
if ($(this).hasClass("disabled")) {
// We do not allow users to subscribe themselves to private streams.
return;
}
$("#channels_overlay_container").on(
"click",
".sub_unsub_button",
function (this: HTMLElement, e) {
if ($(this).hasClass("disabled")) {
// We do not allow users to subscribe themselves to private streams.
return;
}
const sub = get_sub_for_target(this);
// Makes sure we take the correct stream_row.
const $stream_row = $(
`#channels_overlay_container div.stream-row[data-stream-id='${CSS.escape(
sub.stream_id,
)}']`,
);
stream_settings_components.sub_or_unsub(sub, $stream_row);
const sub = get_sub_for_target(this);
// Makes sure we take the correct stream_row.
const $stream_row = $(
`#channels_overlay_container div.stream-row[data-stream-id='${CSS.escape(
sub.stream_id.toString(),
)}']`,
);
stream_settings_components.sub_or_unsub(sub, $stream_row);
if (!sub.subscribed) {
open_edit_panel_for_row($stream_row);
}
stream_ui_updates.update_regular_sub_settings(sub);
if (!sub.subscribed) {
open_edit_panel_for_row(util.the($stream_row));
}
stream_ui_updates.update_regular_sub_settings(sub);
e.preventDefault();
e.stopPropagation();
});
e.preventDefault();
e.stopPropagation();
},
);
$("#channels_overlay_container").on("click", ".deactivate", function (e) {
$("#channels_overlay_container").on("click", ".deactivate", function (this: HTMLElement, e) {
e.preventDefault();
e.stopPropagation();
const stream_id = get_stream_id(this);
function do_archive_stream() {
function do_archive_stream(): void {
const stream_id = Number($(".dialog_submit_button").attr("data-stream-id"));
const $row = $(".stream-row.active");
archive_stream(stream_id, $(".stream_change_property_info"), $row);
}
const stream_id = get_stream_id(this);
const stream = sub_store.get(stream_id);
const stream_name_with_privacy_symbol_html = render_inline_decorated_stream_name({stream});
@ -646,45 +705,56 @@ export function initialize() {
$(".dialog_submit_button").attr("data-stream-id", stream_id);
});
$("#channels_overlay_container").on("click", ".stream-row", function () {
$("#channels_overlay_container").on("click", ".stream-row", function (this: HTMLElement) {
if ($(this).closest(".check, .subscription_settings").length === 0) {
open_edit_panel_for_row(this);
}
});
$("#channels_overlay_container").on("change", ".stream_message_retention_setting", function () {
const message_retention_setting_dropdown_value = this.value;
settings_components.change_element_block_display_property(
"stream_message_retention_custom_input",
message_retention_setting_dropdown_value === "custom_period",
);
});
$<HTMLSelectElement>("#channels_overlay_container").on(
"change",
"select.stream_message_retention_setting",
function (this: HTMLSelectElement) {
const message_retention_setting_dropdown_value = this.value;
settings_components.change_element_block_display_property(
"stream_message_retention_custom_input",
message_retention_setting_dropdown_value === "custom_period",
);
},
);
$("#channels_overlay_container").on("change input", "input, select, textarea", function (e) {
e.preventDefault();
e.stopPropagation();
$("#channels_overlay_container").on(
"change input",
"input, select, textarea",
function (this: HTMLElement, e): boolean {
e.preventDefault();
e.stopPropagation();
if ($(this).hasClass("no-input-change-detection")) {
// This is to prevent input changes detection in elements
// within a subsection whose changes should not affect the
// visibility of the discard button
return false;
}
if ($(this).hasClass("no-input-change-detection")) {
// This is to prevent input changes detection in elements
// within a subsection whose changes should not affect the
// visibility of the discard button
return false;
}
const stream_id = get_stream_id(this);
const sub = sub_store.get(stream_id);
const $subsection = $(this).closest(".settings-subsection-parent");
settings_components.save_discard_stream_settings_widget_status_handler($subsection, sub);
if (sub && $subsection.attr("id") === "stream_permission_settings") {
stream_ui_updates.update_default_stream_and_stream_privacy_state($subsection);
}
return true;
});
const stream_id = get_stream_id(this);
const sub = sub_store.get(stream_id);
const $subsection = $(this).closest(".settings-subsection-parent");
settings_components.save_discard_stream_settings_widget_status_handler(
$subsection,
sub,
);
if (sub && $subsection.attr("id") === "stream_permission_settings") {
stream_ui_updates.update_default_stream_and_stream_privacy_state($subsection);
}
return true;
},
);
$("#channels_overlay_container").on(
"click",
".subsection-header .subsection-changes-save button",
function (e) {
function (this: HTMLElement, e) {
e.preventDefault();
e.stopPropagation();
const $save_button = $(this);
@ -694,6 +764,7 @@ export function initialize() {
$save_button.closest(".subscription_settings.show").attr("data-stream-id"),
);
const sub = sub_store.get(stream_id);
assert(sub !== undefined);
const data = settings_components.populate_data_for_stream_settings_request(
$subsection_elem,
sub,
@ -731,6 +802,7 @@ export function initialize() {
$(this).closest(".subscription_settings.show").attr("data-stream-id"),
);
const sub = sub_store.get(stream_id);
assert(sub !== undefined);
const $subsection = $(this).closest(".settings-subsection-parent");
settings_org.discard_stream_settings_subsection_changes($subsection, sub);

19
web/src/stream_settings_api.ts
View File

@ -5,16 +5,15 @@ import * as settings_ui from "./settings_ui";
import type {StreamProperties, StreamSubscription} from "./sub_store";
import * as sub_store from "./sub_store";
export function bulk_set_stream_property(
sub_data: {
[Property in keyof StreamProperties]: {
stream_id: number;
property: Property;
value: StreamProperties[Property];
};
}[keyof StreamProperties][],
$status_element?: JQuery,
): void {
export type SubData = {
[Property in keyof StreamProperties]: {
stream_id: number;
property: Property;
value: StreamProperties[Property];
};
}[keyof StreamProperties][];
export function bulk_set_stream_property(sub_data: SubData, $status_element?: JQuery): void {
const url = "/json/users/me/subscriptions/properties";
const data = {subscription_data: JSON.stringify(sub_data)};
if (!$status_element) {

5
web/src/stream_settings_components.ts
View File

@ -280,7 +280,10 @@ export function unsubscribe_from_private_stream(sub: StreamSubscription): void {
});
}
export function sub_or_unsub(sub: StreamSubscription, $stream_row: JQuery): void {
export function sub_or_unsub(
sub: StreamSubscription,
$stream_row: JQuery | undefined = undefined,
): void {
if (sub.subscribed) {
// TODO: This next line should allow guests to access web-public streams.
if (sub.invite_only || current_user.is_guest) {