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	Edited the warning to clearly state that most members/most stream members will be notified on using wildcard mentions, along with the specific mention (e.g. @ALL, @everyone and @stream). Did a separate check for all wildcard mentions in util.js and stored the corresponding mention in wildcard_mention inside compose.js. Fixes: #13636
		
			
				
	
	
		
			1092 lines
		
	
	
		
			38 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			1092 lines
		
	
	
		
			38 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
const render_compose_all_everyone = require("../templates/compose_all_everyone.hbs");
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const render_compose_announce = require("../templates/compose_announce.hbs");
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const render_compose_invite_users = require("../templates/compose_invite_users.hbs");
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const render_compose_not_subscribed = require("../templates/compose_not_subscribed.hbs");
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const render_compose_private_stream_alert = require("../templates/compose_private_stream_alert.hbs");
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// Docs: https://zulip.readthedocs.io/en/latest/subsystems/sending-messages.html
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/* Track the state of the @all warning. The user must acknowledge that they are spamming the entire
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   stream before the warning will go away. If they try to send before explicitly dismissing the
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   warning, they will get an error message too.
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   undefined: no @all/@everyone in message;
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   false: user typed @all/@everyone;
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   true: user clicked YES */
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let user_acknowledged_all_everyone;
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let user_acknowledged_announce;
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let wildcard_mention;
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exports.all_everyone_warn_threshold = 15;
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exports.announce_warn_threshold = 60;
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exports.uploads_domain = document.location.protocol + '//' + document.location.host;
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exports.uploads_path = '/user_uploads';
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exports.uploads_re = new RegExp("\\]\\(" + exports.uploads_domain + "(" + exports.uploads_path + "[^\\)]+)\\)", 'g');
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function make_uploads_relative(content) {
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    // Rewrite uploads in markdown links back to domain-relative form
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    return content.replace(exports.uploads_re, "]($1)");
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}
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function show_all_everyone_warnings() {
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    const stream_count = stream_data.get_subscriber_count(compose_state.stream_name()) || 0;
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    const all_everyone_template = render_compose_all_everyone({count: stream_count,
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                                                               mention: wildcard_mention});
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    const error_area_all_everyone = $("#compose-all-everyone");
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    // only show one error for any number of @all or @everyone mentions
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    if (!error_area_all_everyone.is(':visible')) {
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        error_area_all_everyone.append(all_everyone_template);
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    }
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    error_area_all_everyone.show();
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    user_acknowledged_all_everyone = false;
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}
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exports.clear_all_everyone_warnings = function () {
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    $("#compose-all-everyone").hide();
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    $("#compose-all-everyone").empty();
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    $("#compose-send-status").hide();
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};
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function show_sending_indicator(whats_happening) {
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    if (whats_happening === undefined) {
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        whats_happening = 'Sending...';
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    }
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    $("#sending-indicator").html(i18n.t(whats_happening));
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    $("#sending-indicator").show();
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}
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function show_announce_warnings() {
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    const stream_count = stream_data.get_subscriber_count(compose_state.stream_name()) || 0;
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    const announce_template = render_compose_announce({count: stream_count});
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    const error_area_announce = $("#compose-announce");
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    if (!error_area_announce.is(':visible')) {
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        error_area_announce.append(announce_template);
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    }
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    error_area_announce.show();
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    user_acknowledged_announce = false;
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}
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exports.clear_announce_warnings = function () {
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    $("#compose-announce").hide();
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    $("#compose-announce").empty();
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    $("#compose-send-status").hide();
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};
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exports.clear_invites = function () {
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    $("#compose_invite_users").hide();
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    $("#compose_invite_users").empty();
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};
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exports.clear_private_stream_alert = function () {
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    $("#compose_private_stream_alert").hide();
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    $("#compose_private_stream_alert").empty();
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};
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exports.reset_user_acknowledged_all_everyone_flag = function () {
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    user_acknowledged_all_everyone = undefined;
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};
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exports.reset_user_acknowledged_announce_flag = function () {
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    user_acknowledged_announce = undefined;
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};
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exports.clear_preview_area = function () {
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    $("#compose-textarea").show();
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    $("#undo_markdown_preview").hide();
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    $("#preview_message_area").hide();
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    $("#preview_content").empty();
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    $("#markdown_preview").show();
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};
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function update_stream_button(btn_text, title) {
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    $("#left_bar_compose_stream_button_big").text(btn_text);
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    $("#left_bar_compose_stream_button_big").prop("title", title);
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}
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function update_conversation_button(btn_text, title) {
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    $("#left_bar_compose_private_button_big").text(btn_text);
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    $("#left_bar_compose_private_button_big").prop("title", title);
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}
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exports.update_closed_compose_buttons_for_private = function () {
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    const text_stream = i18n.t("New stream message");
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    const title_stream = text_stream + " (c)";
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    const text_conversation = i18n.t("New private message");
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    const title_conversation = text_conversation + " (x)";
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    update_stream_button(text_stream, title_stream);
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    update_conversation_button(text_conversation, title_conversation);
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};
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exports.update_closed_compose_buttons_for_stream = function () {
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    const text_stream = i18n.t("New topic");
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    const title_stream = text_stream + " (c)";
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    const text_conversation = i18n.t("New private message");
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    const title_conversation = text_conversation + " (x)";
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    update_stream_button(text_stream, title_stream);
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    update_conversation_button(text_conversation, title_conversation);
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};
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function update_fade() {
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    if (!compose_state.composing()) {
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        return;
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    }
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    const msg_type = compose_state.get_message_type();
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    compose_fade.set_focused_recipient(msg_type);
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    compose_fade.update_all();
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}
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exports.abort_xhr = function () {
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    $("#compose-send-button").prop("disabled", false);
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    const xhr = $("#compose").data("filedrop_xhr");
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    if (xhr !== undefined) {
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        xhr.abort();
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        $("#compose").removeData("filedrop_xhr");
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    }
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};
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exports.empty_topic_placeholder = function () {
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    return i18n.t("(no topic)");
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};
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function create_message_object() {
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    // Topics are optional, and we provide a placeholder if one isn't given.
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    let topic = compose_state.topic();
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    if (topic === "") {
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        topic = exports.empty_topic_placeholder();
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    }
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    const content = make_uploads_relative(compose_state.message_content());
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    // Changes here must also be kept in sync with echo.try_deliver_locally
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    const message = {
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        type: compose_state.get_message_type(),
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        content: content,
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        sender_id: page_params.user_id,
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        queue_id: page_params.queue_id,
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        stream: '',
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    };
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    util.set_message_topic(message, '');
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    if (message.type === "private") {
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        // TODO: this should be collapsed with the code in composebox_typeahead.js
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        const recipient = compose_state.private_message_recipient();
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        const emails = util.extract_pm_recipients(recipient);
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        message.to = emails;
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        message.reply_to = recipient;
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        message.private_message_recipient = recipient;
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        message.to_user_ids = people.email_list_to_user_ids_string(emails);
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        // Note: The `undefined` case is for situations like the
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        // is_zephyr_mirror_realm case where users may be
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        // automatically created when you try to send a private
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        // message to their email address.
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        if (message.to_user_ids !== undefined) {
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            message.to = people.user_ids_string_to_ids_array(message.to_user_ids);
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        }
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    } else {
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        const stream_name = compose_state.stream_name();
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        message.to = stream_name;
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        message.stream = stream_name;
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        const sub = stream_data.get_sub(stream_name);
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        if (sub) {
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            message.stream_id = sub.stream_id;
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        }
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        util.set_message_topic(message, topic);
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    }
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    return message;
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}
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exports.create_message_object = create_message_object;
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function compose_error(error_text, bad_input) {
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    $('#compose-send-status').removeClass(common.status_classes)
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        .addClass('alert-error')
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        .stop(true).fadeTo(0, 1);
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    $('#compose-error-msg').html(error_text);
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    $("#compose-send-button").prop('disabled', false);
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    $("#sending-indicator").hide();
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    if (bad_input !== undefined) {
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        bad_input.focus().select();
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    }
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}
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exports.compose_error = compose_error;
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function nonexistent_stream_reply_error() {
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    $("#nonexistent_stream_reply_error").show();
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    $("#compose-reply-error-msg").html("There are no messages to reply to yet.");
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    setTimeout(function () {
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        $("#nonexistent_stream_reply_error").hide();
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    }, 5000);
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}
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function compose_not_subscribed_error(error_text, bad_input) {
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    $('#compose-send-status').removeClass(common.status_classes)
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        .addClass('home-error-bar')
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        .stop(true).fadeTo(0, 1);
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    $('#compose-error-msg').html(error_text);
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    $("#compose-send-button").prop('disabled', false);
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    $("#sending-indicator").hide();
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    $(".compose-send-status-close").hide();
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    if (bad_input !== undefined) {
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        bad_input.focus().select();
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    }
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}
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exports.nonexistent_stream_reply_error = nonexistent_stream_reply_error;
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function clear_compose_box() {
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    $("#compose-textarea").val('').focus();
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    drafts.delete_draft_after_send();
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    compose_ui.autosize_textarea();
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    $("#compose-send-status").hide(0);
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    $("#compose-send-button").prop('disabled', false);
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    $("#sending-indicator").hide();
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    resize.resize_bottom_whitespace();
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}
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exports.clear_compose_box = clear_compose_box;
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exports.send_message_success = function (local_id, message_id, locally_echoed) {
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    if (!locally_echoed) {
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        clear_compose_box();
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    }
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    echo.reify_message_id(local_id, message_id);
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};
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exports.send_message = function send_message(request) {
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    if (request === undefined) {
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        request = create_message_object();
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    }
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    if (request.type === "private") {
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        request.to = JSON.stringify(request.to);
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    } else {
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        request.to = JSON.stringify([request.to]);
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    }
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    let local_id;
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    let locally_echoed;
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    local_id = echo.try_deliver_locally(request);
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    if (local_id) {
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        // We are rendering this message locally with an id
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        // like 92l99.01 that corresponds to a reasonable
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        // approximation of the id we'll get from the server
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        // in terms of sorting messages.
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        locally_echoed = true;
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    } else {
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        // We are not rendering this message locally, but we
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        // track the message's life cycle with an id like
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        // loc-1, loc-2, loc-3,etc.
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        locally_echoed = false;
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        local_id = sent_messages.get_new_local_id();
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    }
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    request.local_id = local_id;
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    sent_messages.start_tracking_message({
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        local_id: local_id,
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        locally_echoed: locally_echoed,
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    });
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    request.locally_echoed = locally_echoed;
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    function success(data) {
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        exports.send_message_success(local_id, data.id, locally_echoed);
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    }
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    function error(response) {
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        // If we're not local echo'ing messages, or if this message was not
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        // locally echoed, show error in compose box
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        if (!locally_echoed) {
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            compose_error(response, $('#compose-textarea'));
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            return;
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        }
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        echo.message_send_error(local_id, response);
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    }
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    transmit.send_message(request, success, error);
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    server_events.assert_get_events_running("Restarting get_events because it was not running during send");
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    if (locally_echoed) {
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        clear_compose_box();
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    }
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};
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exports.enter_with_preview_open = function () {
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    exports.clear_preview_area();
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    if (page_params.enter_sends) {
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        // If enter_sends is enabled, we attempt to send the message
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        exports.finish();
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    } else {
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        // Otherwise, we return to the compose box and focus it
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        $("#compose-textarea").focus();
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    }
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};
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exports.finish = function () {
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    exports.clear_invites();
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    exports.clear_private_stream_alert();
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    notifications.clear_compose_notifications();
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    const message_content = compose_state.message_content();
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    // Skip normal validation for zcommands, since they aren't
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    // actual messages with recipients; users only send them
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    // from the compose box for convenience sake.
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    if (zcommand.process(message_content)) {
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        exports.do_post_send_tasks();
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        clear_compose_box();
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        return;
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    }
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    if (!exports.validate()) {
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        return false;
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    }
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 | 
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    if (reminder.is_deferred_delivery(message_content)) {
 | 
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        reminder.schedule_message();
 | 
						|
    } else {
 | 
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        exports.send_message();
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    }
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    exports.do_post_send_tasks();
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    return true;
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};
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exports.do_post_send_tasks = function () {
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    exports.clear_preview_area();
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						|
    // TODO: Do we want to fire the event even if the send failed due
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    // to a server-side error?
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    $(document).trigger($.Event('compose_finished.zulip'));
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};
 | 
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exports.update_email = function (user_id, new_email) {
 | 
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    let reply_to = compose_state.private_message_recipient();
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						|
    if (!reply_to) {
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        return;
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    }
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 | 
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    reply_to = people.update_email_in_reply_to(reply_to, user_id, new_email);
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    compose_state.private_message_recipient(reply_to);
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};
 | 
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 | 
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exports.get_invalid_recipient_emails = function () {
 | 
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    const private_recipients = util.extract_pm_recipients(
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        compose_state.private_message_recipient());
 | 
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    const invalid_recipients = _.reject(private_recipients, people.is_valid_email_for_compose);
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    return invalid_recipients;
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};
 | 
						|
 | 
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function check_unsubscribed_stream_for_send(stream_name, autosubscribe) {
 | 
						|
    const stream_obj = stream_data.get_sub(stream_name);
 | 
						|
    let result;
 | 
						|
    if (!stream_obj) {
 | 
						|
        return "does-not-exist";
 | 
						|
    }
 | 
						|
    if (!autosubscribe) {
 | 
						|
        return "not-subscribed";
 | 
						|
    }
 | 
						|
 | 
						|
    // In the rare circumstance of the autosubscribe option, we
 | 
						|
    // *Synchronously* try to subscribe to the stream before sending
 | 
						|
    // the message.  This is deprecated and we hope to remove it; see
 | 
						|
    // #4650.
 | 
						|
    channel.post({
 | 
						|
        url: "/json/subscriptions/exists",
 | 
						|
        data: {stream: stream_name, autosubscribe: true},
 | 
						|
        async: false,
 | 
						|
        success: function (data) {
 | 
						|
            if (data.subscribed) {
 | 
						|
                result = "subscribed";
 | 
						|
            } else {
 | 
						|
                result = "not-subscribed";
 | 
						|
            }
 | 
						|
        },
 | 
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        error: function (xhr) {
 | 
						|
            if (xhr.status === 404) {
 | 
						|
                result = "does-not-exist";
 | 
						|
            } else {
 | 
						|
                result = "error";
 | 
						|
            }
 | 
						|
        },
 | 
						|
    });
 | 
						|
    return result;
 | 
						|
}
 | 
						|
 | 
						|
function validate_stream_message_mentions(stream_name) {
 | 
						|
    const stream_count = stream_data.get_subscriber_count(stream_name) || 0;
 | 
						|
    wildcard_mention = util.find_wildcard_mentions(compose_state.message_content());
 | 
						|
 | 
						|
    // check if wildcard_mention has any mention and henceforth execute the warning message.
 | 
						|
    if (wildcard_mention !== null && stream_count > exports.all_everyone_warn_threshold) {
 | 
						|
        if (user_acknowledged_all_everyone === undefined ||
 | 
						|
            user_acknowledged_all_everyone === false) {
 | 
						|
            // user has not seen a warning message yet if undefined
 | 
						|
            show_all_everyone_warnings();
 | 
						|
 | 
						|
            $("#compose-send-button").prop('disabled', false);
 | 
						|
            $("#sending-indicator").hide();
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
    } else {
 | 
						|
        // the message no longer contains @all or @everyone
 | 
						|
        exports.clear_all_everyone_warnings();
 | 
						|
    }
 | 
						|
    // at this point, the user has either acknowledged the warning or removed @all / @everyone
 | 
						|
    user_acknowledged_all_everyone = undefined;
 | 
						|
 | 
						|
    return true;
 | 
						|
}
 | 
						|
 | 
						|
function validate_stream_message_announce(stream_name) {
 | 
						|
    const stream_count = stream_data.get_subscriber_count(stream_name) || 0;
 | 
						|
 | 
						|
    if (stream_name === "announce" &&
 | 
						|
        stream_count > exports.announce_warn_threshold) {
 | 
						|
        if (user_acknowledged_announce === undefined ||
 | 
						|
            user_acknowledged_announce === false) {
 | 
						|
            // user has not seen a warning message yet if undefined
 | 
						|
            show_announce_warnings();
 | 
						|
 | 
						|
            $("#compose-send-button").prop('disabled', false);
 | 
						|
            $("#sending-indicator").hide();
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
    } else {
 | 
						|
        exports.clear_announce_warnings();
 | 
						|
    }
 | 
						|
    // at this point, the user has acknowledged the warning
 | 
						|
    user_acknowledged_announce = undefined;
 | 
						|
 | 
						|
    return true;
 | 
						|
}
 | 
						|
 | 
						|
function validate_stream_message_announcement_only(stream_name) {
 | 
						|
    // Only allow realm admins to post to announcement_only streams.
 | 
						|
    const is_announcement_only = stream_data.get_announcement_only(stream_name);
 | 
						|
    if (is_announcement_only && !page_params.is_admin) {
 | 
						|
        compose_error(i18n.t("Only organization admins are allowed to post to this stream."));
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
    return true;
 | 
						|
}
 | 
						|
 | 
						|
exports.validation_error = function (error_type, stream_name) {
 | 
						|
    let response;
 | 
						|
 | 
						|
    const context = {};
 | 
						|
    context.stream_name = Handlebars.Utils.escapeExpression(stream_name);
 | 
						|
 | 
						|
    switch (error_type) {
 | 
						|
    case "does-not-exist":
 | 
						|
        response = i18n.t("<p>The stream <b>__stream_name__</b> does not exist.</p><p>Manage your subscriptions <a href='#streams/all'>on your Streams page</a>.</p>", context);
 | 
						|
        compose_error(response, $('#stream_message_recipient_stream'));
 | 
						|
        return false;
 | 
						|
    case "error":
 | 
						|
        compose_error(i18n.t("Error checking subscription"),
 | 
						|
                      $("#stream_message_recipient_stream"));
 | 
						|
        return false;
 | 
						|
    case "not-subscribed": {
 | 
						|
        const sub = stream_data.get_sub(stream_name);
 | 
						|
        const new_row = render_compose_not_subscribed({
 | 
						|
            should_display_sub_button: sub.should_display_subscription_button});
 | 
						|
        compose_not_subscribed_error(new_row, $('#stream_message_recipient_stream'));
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
    }
 | 
						|
    return true;
 | 
						|
};
 | 
						|
 | 
						|
exports.validate_stream_message_address_info = function (stream_name) {
 | 
						|
    if (stream_data.is_subscribed(stream_name)) {
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
    const autosubscribe = page_params.narrow_stream !== undefined;
 | 
						|
    const error_type = check_unsubscribed_stream_for_send(stream_name, autosubscribe);
 | 
						|
    return exports.validation_error(error_type, stream_name);
 | 
						|
};
 | 
						|
 | 
						|
function validate_stream_message() {
 | 
						|
    const stream_name = compose_state.stream_name();
 | 
						|
    if (stream_name === "") {
 | 
						|
        compose_error(i18n.t("Please specify a stream"), $("#stream_message_recipient_stream"));
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    if (page_params.realm_mandatory_topics) {
 | 
						|
        const topic = compose_state.topic();
 | 
						|
        if (topic === "") {
 | 
						|
            compose_error(i18n.t("Please specify a topic"), $("#stream_message_recipient_topic"));
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    if (!validate_stream_message_announcement_only(stream_name)) {
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    // If both `@all` is mentioned and it's in `#announce`, just validate
 | 
						|
    // for `@all`. Users shouldn't have to hit "yes" more than once.
 | 
						|
    if (wildcard_mention !== null && stream_name === "announce") {
 | 
						|
        if (!exports.validate_stream_message_address_info(stream_name) ||
 | 
						|
            !validate_stream_message_mentions(stream_name)) {
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
    // If either criteria isn't met, just do the normal validation.
 | 
						|
    } else {
 | 
						|
        if (!exports.validate_stream_message_address_info(stream_name) ||
 | 
						|
            !validate_stream_message_mentions(stream_name) ||
 | 
						|
            !validate_stream_message_announce(stream_name)) {
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    return true;
 | 
						|
}
 | 
						|
 | 
						|
// The function checks whether the recipients are users of the realm or cross realm users (bots
 | 
						|
// for now)
 | 
						|
function validate_private_message() {
 | 
						|
    if (page_params.realm_private_message_policy === 2) {
 | 
						|
        // Frontend check for for PRIVATE_MESSAGE_POLICY_DISABLED
 | 
						|
        const user_ids = compose_pm_pill.get_user_ids();
 | 
						|
        if (user_ids.length !== 1 || !people.get_person_from_user_id(user_ids[0]).is_bot) {
 | 
						|
            // Unless we're composing to a bot
 | 
						|
            compose_error(i18n.t("Private messages are disabled in this organization."),
 | 
						|
                          $("#private_message_recipient"));
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    if (compose_state.private_message_recipient().length === 0) {
 | 
						|
        compose_error(i18n.t("Please specify at least one valid recipient"), $("#private_message_recipient"));
 | 
						|
        return false;
 | 
						|
    } else if (page_params.realm_is_zephyr_mirror_realm) {
 | 
						|
        // For Zephyr mirroring realms, the frontend doesn't know which users exist
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    const invalid_recipients = exports.get_invalid_recipient_emails();
 | 
						|
 | 
						|
    let context = {};
 | 
						|
    if (invalid_recipients.length === 1) {
 | 
						|
        context = {recipient: invalid_recipients.join()};
 | 
						|
        compose_error(i18n.t("The recipient __recipient__ is not valid", context), $("#private_message_recipient"));
 | 
						|
        return false;
 | 
						|
    } else if (invalid_recipients.length > 1) {
 | 
						|
        context = {recipients: invalid_recipients.join()};
 | 
						|
        compose_error(i18n.t("The recipients __recipients__ are not valid", context), $("#private_message_recipient"));
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
    return true;
 | 
						|
}
 | 
						|
 | 
						|
exports.validate = function () {
 | 
						|
    $("#compose-send-button").attr('disabled', 'disabled').blur();
 | 
						|
    const message_content = compose_state.message_content();
 | 
						|
    if (reminder.is_deferred_delivery(message_content)) {
 | 
						|
        show_sending_indicator('Scheduling...');
 | 
						|
    } else {
 | 
						|
        show_sending_indicator();
 | 
						|
    }
 | 
						|
 | 
						|
    if (/^\s*$/.test(message_content)) {
 | 
						|
        compose_error(i18n.t("You have nothing to send!"), $("#compose-textarea"));
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    if ($("#zephyr-mirror-error").is(":visible")) {
 | 
						|
        compose_error(i18n.t("You need to be running Zephyr mirroring in order to send messages!"));
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    if (compose_state.get_message_type() === 'private') {
 | 
						|
        return validate_private_message();
 | 
						|
    }
 | 
						|
    return validate_stream_message();
 | 
						|
};
 | 
						|
 | 
						|
exports.handle_keydown = function (event, textarea) {
 | 
						|
    const code = event.keyCode || event.which;
 | 
						|
    const isBold = code === 66;
 | 
						|
    const isItalic = code === 73 && !event.shiftKey;
 | 
						|
    const isLink = code === 76 && event.shiftKey;
 | 
						|
 | 
						|
    // detect command and ctrl key
 | 
						|
    const isCmdOrCtrl = common.has_mac_keyboard() ? event.metaKey : event.ctrlKey;
 | 
						|
 | 
						|
    if ((isBold || isItalic || isLink) && isCmdOrCtrl) {
 | 
						|
        const range = textarea.range();
 | 
						|
        function wrap_text_with_markdown(prefix, suffix) {
 | 
						|
            if (!document.execCommand('insertText', false, prefix + range.text + suffix)) {
 | 
						|
                textarea.range(range.start, range.end).range(prefix + range.text + suffix);
 | 
						|
            }
 | 
						|
            event.preventDefault();
 | 
						|
        }
 | 
						|
 | 
						|
        if (isBold) {
 | 
						|
            // ctrl + b: Convert selected text to bold text
 | 
						|
            wrap_text_with_markdown("**", "**");
 | 
						|
            if (!range.length) {
 | 
						|
                textarea.caret(textarea.caret() - 2);
 | 
						|
            }
 | 
						|
        }
 | 
						|
        if (isItalic) {
 | 
						|
            // ctrl + i: Convert selected text to italic text
 | 
						|
            wrap_text_with_markdown("*", "*");
 | 
						|
            if (!range.length) {
 | 
						|
                textarea.caret(textarea.caret() - 1);
 | 
						|
            }
 | 
						|
        }
 | 
						|
        if (isLink) {
 | 
						|
            // ctrl + l: Insert a link to selected text
 | 
						|
            wrap_text_with_markdown("[", "](url)");
 | 
						|
            const position = textarea.caret();
 | 
						|
            const txt = document.getElementById(textarea[0].id);
 | 
						|
 | 
						|
            // Include selected text in between [] parantheses and insert '(url)'
 | 
						|
            // where "url" should be automatically selected.
 | 
						|
            // Position of cursor depends on whether browser supports exec
 | 
						|
            // command or not. So set cursor position accrodingly.
 | 
						|
            if (range.length > 0) {
 | 
						|
                if (document.queryCommandEnabled('insertText')) {
 | 
						|
                    txt.selectionStart = position - 4;
 | 
						|
                    txt.selectionEnd = position - 1;
 | 
						|
                } else {
 | 
						|
                    txt.selectionStart = position + range.length + 3;
 | 
						|
                    txt.selectionEnd = position + range.length + 6;
 | 
						|
                }
 | 
						|
            } else {
 | 
						|
                textarea.caret(textarea.caret() - 6);
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        compose_ui.autosize_textarea();
 | 
						|
        return;
 | 
						|
    }
 | 
						|
};
 | 
						|
 | 
						|
exports.handle_keyup = function (event, textarea) {
 | 
						|
    // Set the rtl class if the text has an rtl direction, remove it otherwise
 | 
						|
    rtl.set_rtl_class_for_textarea(textarea);
 | 
						|
};
 | 
						|
 | 
						|
exports.needs_subscribe_warning = function (email) {
 | 
						|
    // This returns true if all of these conditions are met:
 | 
						|
    //  * the user is valid
 | 
						|
    //  * the stream in the compose box is valid
 | 
						|
    //  * the user is not already subscribed to the stream
 | 
						|
    //  * the user has no back-door way to see stream messages
 | 
						|
    //    (i.e. bots on public/private streams)
 | 
						|
    //
 | 
						|
    //  You can think of this as roughly answering "is there an
 | 
						|
    //  actionable way to subscribe the user and do they actually
 | 
						|
    //  need it?".
 | 
						|
    //
 | 
						|
    //  We expect the caller to already have verified that we're
 | 
						|
    //  sending to a stream and trying to mention the user.
 | 
						|
 | 
						|
    const user = people.get_active_user_for_email(email);
 | 
						|
    const stream_name = compose_state.stream_name();
 | 
						|
 | 
						|
    if (!stream_name) {
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    const sub = stream_data.get_sub(stream_name);
 | 
						|
 | 
						|
    if (!sub || !user) {
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    if (user.is_bot) {
 | 
						|
        // Bots may receive messages on public/private streams even if they are
 | 
						|
        // not subscribed.
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    if (stream_data.is_user_subscribed(stream_name, user.user_id)) {
 | 
						|
        // If our user is already subscribed
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    return true;
 | 
						|
};
 | 
						|
 | 
						|
function insert_video_call_url(url, target_textarea) {
 | 
						|
    const video_call_link_text = '[' + _('Click to join video call') + '](' + url + ')';
 | 
						|
    compose_ui.insert_syntax_and_focus(video_call_link_text, target_textarea);
 | 
						|
}
 | 
						|
 | 
						|
exports.render_and_show_preview = function (preview_spinner, preview_content_box, content) {
 | 
						|
 | 
						|
    function show_preview(rendered_content, raw_content) {
 | 
						|
        // content is passed to check for status messages ("/me ...")
 | 
						|
        // and will be undefined in case of errors
 | 
						|
        let rendered_preview_html;
 | 
						|
        if (raw_content !== undefined &&
 | 
						|
            markdown.is_status_message(raw_content)) {
 | 
						|
            // Handle previews of /me messages
 | 
						|
            rendered_preview_html = "<p><strong>" + page_params.full_name + "</strong>" + rendered_content.slice("<p>/me".length);
 | 
						|
        } else {
 | 
						|
            rendered_preview_html = rendered_content;
 | 
						|
        }
 | 
						|
 | 
						|
        preview_content_box.html(rendered_preview_html);
 | 
						|
        if (page_params.emojiset === "text") {
 | 
						|
            preview_content_box.find(".emoji").replaceWith(function () {
 | 
						|
                const text = $(this).attr("title");
 | 
						|
                return ":" + text + ":";
 | 
						|
            });
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    if (content.length === 0) {
 | 
						|
        show_preview(i18n.t("Nothing to preview"));
 | 
						|
    } else {
 | 
						|
        if (markdown.contains_backend_only_syntax(content))  {
 | 
						|
            const spinner = preview_spinner.expectOne();
 | 
						|
            loading.make_indicator(spinner);
 | 
						|
        } else {
 | 
						|
            // For messages that don't appear to contain
 | 
						|
            // bugdown-specific syntax not present in our
 | 
						|
            // marked.js frontend processor, we render using the
 | 
						|
            // frontend markdown processor message (but still
 | 
						|
            // render server-side to ensure the preview is
 | 
						|
            // accurate; if the `markdown.contains_backend_only_syntax` logic is
 | 
						|
            // incorrect wrong, users will see a brief flicker).
 | 
						|
            const message_obj = {
 | 
						|
                raw_content: content,
 | 
						|
            };
 | 
						|
            markdown.apply_markdown(message_obj);
 | 
						|
        }
 | 
						|
        channel.post({
 | 
						|
            url: '/json/messages/render',
 | 
						|
            idempotent: true,
 | 
						|
            data: {content: content},
 | 
						|
            success: function (response_data) {
 | 
						|
                if (markdown.contains_backend_only_syntax(content)) {
 | 
						|
                    loading.destroy_indicator(preview_spinner);
 | 
						|
                }
 | 
						|
                show_preview(response_data.rendered, content);
 | 
						|
            },
 | 
						|
            error: function () {
 | 
						|
                if (markdown.contains_backend_only_syntax(content)) {
 | 
						|
                    loading.destroy_indicator(preview_spinner);
 | 
						|
                }
 | 
						|
                show_preview(i18n.t("Failed to generate preview"));
 | 
						|
            },
 | 
						|
        });
 | 
						|
    }
 | 
						|
};
 | 
						|
 | 
						|
exports.warn_if_private_stream_is_linked = function (linked_stream) {
 | 
						|
    // For PMs, we currently don't warn about links to private
 | 
						|
    // streams, since you are specifically sharing the existence of
 | 
						|
    // the private stream with someone.  One could imagine changing
 | 
						|
    // this policy if user feedback suggested it was useful.
 | 
						|
    if (compose_state.get_message_type() !== 'stream') {
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
    const compose_stream = stream_data.get_sub(compose_state.stream_name());
 | 
						|
    if (compose_stream === undefined) {
 | 
						|
        // We have an invalid stream name, don't warn about this here as
 | 
						|
        // we show an error to the user when they try to send the message.
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
    // If the stream we're linking to is not invite-only, then it's
 | 
						|
    // public, and there is no need to warn about it, since all
 | 
						|
    // members can already see all the public streams.
 | 
						|
    //
 | 
						|
    // Theoretically, we could still do a warning if there are any
 | 
						|
    // guest users subscribed to the stream we're posting to; we may
 | 
						|
    // change this policy if user feedback suggests it'd be an
 | 
						|
    // improvement.
 | 
						|
    if (!linked_stream.invite_only) {
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
    if (stream_data.is_subscriber_subset(compose_stream, linked_stream)) {
 | 
						|
        // Don't warn if subscribers list of current compose_stream is
 | 
						|
        // a subset of linked_stream's subscribers list, because
 | 
						|
        // everyone will be subscribed to the linked stream and so
 | 
						|
        // knows it exists.
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
    const stream_name = linked_stream.name;
 | 
						|
 | 
						|
    const warning_area = $("#compose_private_stream_alert");
 | 
						|
    const context = { stream_name: stream_name };
 | 
						|
    const new_row = render_compose_private_stream_alert(context);
 | 
						|
 | 
						|
    warning_area.append(new_row);
 | 
						|
    warning_area.show();
 | 
						|
};
 | 
						|
 | 
						|
exports.warn_if_mentioning_unsubscribed_user = function (mentioned) {
 | 
						|
    if (compose_state.get_message_type() !== 'stream') {
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
    // Disable for Zephyr mirroring realms, since we never have subscriber lists there
 | 
						|
    if (page_params.realm_is_zephyr_mirror_realm) {
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
    const email = mentioned.email;
 | 
						|
 | 
						|
    if (mentioned.is_broadcast) {
 | 
						|
        return; // don't check if @all/@everyone/@stream
 | 
						|
    }
 | 
						|
 | 
						|
    if (exports.needs_subscribe_warning(email)) {
 | 
						|
        const error_area = $("#compose_invite_users");
 | 
						|
        const existing_invites_area = $('#compose_invite_users .compose_invite_user');
 | 
						|
 | 
						|
        const existing_invites = _.map($(existing_invites_area), function (user_row) {
 | 
						|
            return $(user_row).data('useremail');
 | 
						|
        });
 | 
						|
 | 
						|
        if (existing_invites.indexOf(email) === -1) {
 | 
						|
            const context = {
 | 
						|
                email: email,
 | 
						|
                name: mentioned.full_name,
 | 
						|
                can_subscribe_other_users: page_params.can_subscribe_other_users,
 | 
						|
            };
 | 
						|
            const new_row = render_compose_invite_users(context);
 | 
						|
            error_area.append(new_row);
 | 
						|
        }
 | 
						|
 | 
						|
        error_area.show();
 | 
						|
    }
 | 
						|
};
 | 
						|
 | 
						|
exports.initialize = function () {
 | 
						|
    $('#stream_message_recipient_stream,#stream_message_recipient_topic,#private_message_recipient').on('keyup', update_fade);
 | 
						|
    $('#stream_message_recipient_stream,#stream_message_recipient_topic,#private_message_recipient').on('change', update_fade);
 | 
						|
    $('#compose-textarea').on('keydown', function (event) {
 | 
						|
        exports.handle_keydown(event, $("#compose-textarea").expectOne());
 | 
						|
    });
 | 
						|
    $('#compose-textarea').on('keyup', function (event) {
 | 
						|
        exports.handle_keyup(event, $("#compose-textarea").expectOne());
 | 
						|
    });
 | 
						|
 | 
						|
    $("#compose form").on("submit", function (e) {
 | 
						|
        e.preventDefault();
 | 
						|
        exports.finish();
 | 
						|
    });
 | 
						|
 | 
						|
    resize.watch_manual_resize("#compose-textarea");
 | 
						|
 | 
						|
    upload.feature_check($("#compose #attach_files"));
 | 
						|
 | 
						|
    $("#compose-all-everyone").on('click', '.compose-all-everyone-confirm', function (event) {
 | 
						|
        event.preventDefault();
 | 
						|
 | 
						|
        $(event.target).parents('.compose-all-everyone').remove();
 | 
						|
        user_acknowledged_all_everyone = true;
 | 
						|
        exports.clear_all_everyone_warnings();
 | 
						|
        exports.finish();
 | 
						|
    });
 | 
						|
 | 
						|
    $("#compose-announce").on('click', '.compose-announce-confirm', function (event) {
 | 
						|
        event.preventDefault();
 | 
						|
 | 
						|
        $(event.target).parents('.compose-announce').remove();
 | 
						|
        user_acknowledged_announce = true;
 | 
						|
        exports.clear_announce_warnings();
 | 
						|
        exports.finish();
 | 
						|
    });
 | 
						|
 | 
						|
    $("#compose-send-status").on('click', '.sub_unsub_button', function (event) {
 | 
						|
        event.preventDefault();
 | 
						|
 | 
						|
        const stream_name = $('#stream_message_recipient_stream').val();
 | 
						|
        if (stream_name === undefined) {
 | 
						|
            return;
 | 
						|
        }
 | 
						|
        const sub = stream_data.get_sub(stream_name);
 | 
						|
        subs.sub_or_unsub(sub);
 | 
						|
        $("#compose-send-status").hide();
 | 
						|
    });
 | 
						|
 | 
						|
    $("#compose-send-status").on('click', '#compose_not_subscribed_close', function (event) {
 | 
						|
        event.preventDefault();
 | 
						|
 | 
						|
        $("#compose-send-status").hide();
 | 
						|
    });
 | 
						|
 | 
						|
    $("#compose_invite_users").on('click', '.compose_invite_link', function (event) {
 | 
						|
        event.preventDefault();
 | 
						|
 | 
						|
        const invite_row = $(event.target).parents('.compose_invite_user');
 | 
						|
 | 
						|
        const email = $(invite_row).data('useremail');
 | 
						|
        if (email === undefined) {
 | 
						|
            return;
 | 
						|
        }
 | 
						|
 | 
						|
        function success() {
 | 
						|
            const all_invites = $("#compose_invite_users");
 | 
						|
            invite_row.remove();
 | 
						|
 | 
						|
            if (all_invites.children().length === 0) {
 | 
						|
                all_invites.hide();
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        function failure(error_msg) {
 | 
						|
            exports.clear_invites();
 | 
						|
            compose_error(error_msg, $("#compose-textarea"));
 | 
						|
            $(event.target).attr('disabled', true);
 | 
						|
        }
 | 
						|
 | 
						|
        function xhr_failure(xhr) {
 | 
						|
            const error = JSON.parse(xhr.responseText);
 | 
						|
            failure(error.msg);
 | 
						|
        }
 | 
						|
 | 
						|
        const stream_name = compose_state.stream_name();
 | 
						|
        const sub = stream_data.get_sub(stream_name);
 | 
						|
        if (!sub) {
 | 
						|
            // This should only happen if a stream rename occurs
 | 
						|
            // before the user clicks.  We could prevent this by
 | 
						|
            // putting a stream id in the link.
 | 
						|
            const error_msg = 'Stream no longer exists: ' + stream_name;
 | 
						|
            blueslip.warn(error_msg);
 | 
						|
            failure(error_msg);
 | 
						|
            return;
 | 
						|
        }
 | 
						|
 | 
						|
        stream_edit.invite_user_to_stream(email, sub, success, xhr_failure);
 | 
						|
    });
 | 
						|
 | 
						|
    $("#compose_invite_users").on('click', '.compose_invite_close', function (event) {
 | 
						|
        const invite_row = $(event.target).parents('.compose_invite_user');
 | 
						|
        const all_invites = $("#compose_invite_users");
 | 
						|
 | 
						|
        invite_row.remove();
 | 
						|
 | 
						|
        if (all_invites.children().length === 0) {
 | 
						|
            all_invites.hide();
 | 
						|
        }
 | 
						|
    });
 | 
						|
 | 
						|
    $("#compose_private_stream_alert").on('click', '.compose_private_stream_alert_close', function (event) {
 | 
						|
        const stream_alert_row = $(event.target).parents('.compose_private_stream_alert');
 | 
						|
        const stream_alert = $("#compose_private_stream_alert");
 | 
						|
 | 
						|
        stream_alert_row.remove();
 | 
						|
 | 
						|
        if (stream_alert.children().length === 0) {
 | 
						|
            stream_alert.hide();
 | 
						|
        }
 | 
						|
    });
 | 
						|
 | 
						|
    // Click event binding for "Attach files" button
 | 
						|
    // Triggers a click on a hidden file input field
 | 
						|
 | 
						|
    $("#compose").on("click", "#attach_files", function (e) {
 | 
						|
        e.preventDefault();
 | 
						|
        $("#compose #file_input").trigger("click");
 | 
						|
    });
 | 
						|
 | 
						|
    $('body').on('click', '.video_link', function (e) {
 | 
						|
        e.preventDefault();
 | 
						|
 | 
						|
        let target_textarea;
 | 
						|
        // The data-message-id atribute is only present in the video
 | 
						|
        // call icon present in the message edit form.  If present,
 | 
						|
        // the request is for the edit UI; otherwise, it's for the
 | 
						|
        // compose box.
 | 
						|
        const edit_message_id = $(e.target).attr('data-message-id');
 | 
						|
        if (edit_message_id !== undefined) {
 | 
						|
            target_textarea = $("#message_edit_content_" + edit_message_id);
 | 
						|
        }
 | 
						|
 | 
						|
        if (page_params.jitsi_server_url === null) {
 | 
						|
            return;
 | 
						|
        }
 | 
						|
 | 
						|
        let video_call_link;
 | 
						|
        const video_call_id = util.random_int(100000000000000, 999999999999999);
 | 
						|
        const available_providers = page_params.realm_available_video_chat_providers;
 | 
						|
 | 
						|
        if (page_params.realm_video_chat_provider === available_providers.google_hangouts.id) {
 | 
						|
            video_call_link = "https://hangouts.google.com/hangouts/_/" + page_params.realm_google_hangouts_domain + "/" + video_call_id;
 | 
						|
            insert_video_call_url(video_call_link, target_textarea);
 | 
						|
        } else if (page_params.realm_video_chat_provider === available_providers.zoom.id) {
 | 
						|
            channel.get({
 | 
						|
                url: '/json/calls/create',
 | 
						|
                success: function (response) {
 | 
						|
                    insert_video_call_url(response.zoom_url, target_textarea);
 | 
						|
                },
 | 
						|
            });
 | 
						|
        } else {
 | 
						|
            video_call_link = page_params.jitsi_server_url + "/" +  video_call_id;
 | 
						|
            insert_video_call_url(video_call_link, target_textarea);
 | 
						|
        }
 | 
						|
    });
 | 
						|
 | 
						|
    $("#compose").on("click", "#markdown_preview", function (e) {
 | 
						|
        e.preventDefault();
 | 
						|
        const content = $("#compose-textarea").val();
 | 
						|
        $("#compose-textarea").hide();
 | 
						|
        $("#markdown_preview").hide();
 | 
						|
        $("#undo_markdown_preview").show();
 | 
						|
        $("#preview_message_area").show();
 | 
						|
 | 
						|
        exports.render_and_show_preview($("#markdown_preview_spinner"), $("#preview_content"), content);
 | 
						|
    });
 | 
						|
 | 
						|
    $("#compose").on("click", "#undo_markdown_preview", function (e) {
 | 
						|
        e.preventDefault();
 | 
						|
        exports.clear_preview_area();
 | 
						|
    });
 | 
						|
 | 
						|
    $("#compose").filedrop(
 | 
						|
        upload.options({
 | 
						|
            mode: 'compose',
 | 
						|
        })
 | 
						|
    );
 | 
						|
 | 
						|
    $("#compose-textarea").focus(function () {
 | 
						|
        const opts = {
 | 
						|
            message_type: compose_state.get_message_type(),
 | 
						|
            stream: $('#stream_message_recipient_stream').val(),
 | 
						|
            topic: $('#stream_message_recipient_topic').val(),
 | 
						|
            private_message_recipient: compose_pm_pill.get_emails(),
 | 
						|
        };
 | 
						|
        compose_actions.update_placeholder_text(opts);
 | 
						|
    });
 | 
						|
 | 
						|
    if (page_params.narrow !== undefined) {
 | 
						|
        if (page_params.narrow_topic !== undefined) {
 | 
						|
            compose_actions.start("stream", {topic: page_params.narrow_topic});
 | 
						|
        } else {
 | 
						|
            compose_actions.start("stream", {});
 | 
						|
        }
 | 
						|
    }
 | 
						|
};
 | 
						|
 | 
						|
window.compose = exports;
 |