Function create_group_ex

src/chat.rs:3555–3616

Creates a group chat. `sync` - Whether a multi-device synchronization message should be sent. Ignored for unencrypted chats currently. `grpid` - Group ID. Iff nonempty, the chat is encrypted (with key-contacts). `name` - Chat name.

(
    context: &Context,
    sync: sync::Sync,
    grpid: String,
    name: &str,
)

/// * `grpid` - Group ID. Iff nonempty, the chat is encrypted (with key-contacts).
/// * `name` - Chat name.
pub(crate) async fn create_group_ex(
    context: &Context,
    sync: sync::Sync,
    grpid: String,
    name: &str,
) -> Result<ChatId> {
    let mut chat_name = sanitize_single_line(name);
    if chat_name.is_empty() {
        // We can't just fail because the user would lose the work already done in the UI like
        // selecting members.
        error!(context, "Invalid chat name: {name}.");
        chat_name = "…".to_string();
    }

    let timestamp = time();
    let row_id = context
        .sql
        .insert(
            "INSERT INTO chats
        (type, name, name_normalized, grpid, param, created_timestamp)
        VALUES(?, ?, ?, ?, \'U=1\', ?)",
            (
                Chattype::Group,
                &chat_name,
                normalize_text(&chat_name),
                &grpid,
                timestamp,
            ),
        )
        .await?;

    let chat_id = ChatId::new(u32::try_from(row_id)?);
    add_to_chat_contacts_table(context, timestamp, chat_id, &[ContactId::SELF]).await?;

    context.emit_msgs_changed_without_ids();
    chatlist_events::emit_chatlist_changed(context);
    chatlist_events::emit_chatlist_item_changed(context, chat_id);

    if !grpid.is_empty() {
        // Add "Messages are end-to-end encrypted." message.
        chat_id.add_e2ee_notice(context, timestamp).await?;
    }

    if !context.get_config_bool(Config::Bot).await?
        && !context.get_config_bool(Config::SkipStartMessages).await?
    {
        let text = if !grpid.is_empty() {
            // Add "Others will only see this group after you sent a first message." message.
            stock_str::new_group_send_first_message(context)
        } else {
            // Add "Messages in this chat use classic email and are not encrypted." message.
            stock_str::chat_unencrypted_explanation(context)
        };
        chat_id.add_start_info_message(context, &text).await?;
    }
    if let (true, true) = (sync.into(), !grpid.is_empty()) {
        let id = SyncId::Grpid(grpid);
        let action = SyncAction::CreateGroupEncrypted(chat_name);