add /pin, /unpin & /unpinall commands

src/helpers/helper_func.ts

@@ -28,7 +28,7 @@ export function ownerOnlyCallback(handler: any) {
  await handler(ctx);
  }
  else {
- await ctx.answerCallbackQuery({ text: "Only owner of this chat can use this command!"});
+ await ctx.answerCallbackQuery({ text: "Only owner of this chat can use this button!"});
  }
  };
 }
@@ -69,7 +69,7 @@ export function elevatedUsersCallbackOnly(handler: any) {
  await handler(ctx);
  }
  else {
- await ctx.answerCallbackQuery({ text: "Only admins can use this command!"});
+ await ctx.answerCallbackQuery({ text: "Only admins can use this button!"});
  }
  };
 
@@ -218,6 +218,25 @@ export function canDeleteMessages(handler: any) {
  }
  }
 }
+
+export function canPinMessages(handler: any) {
+ return async (ctx: any) => {
+ let bot_id = ctx.me.id;
+ let chat_id = ctx.chat.id;
+ let bot_info = await ctx.api.getChatMember(chat_id, bot_id);
+ if (bot_info.status == "administrator") {
+ if (bot_info.can_pin_messages == true) {
+ await handler(ctx);
+ }
+ else {
+ await ctx.reply("I don't have enough admin rights to pin messages!", {reply_parameters: {message_id: ctx.message.message_id}}); 
+ }
+ }
+ else {
+ await ctx.reply("I need to be admin for this!", {reply_parameters: {message_id: ctx.message.message_id}});
+ }
+ }
+}
 // ====================================================
 
 export async function extract_time(ctx: any, time_val: string): Promise<string | number> {

src/modules/admin.ts

@@ -1,2 +1,75 @@
 import bot from "../bot";
+import { InlineKeyboard } from "grammy";
+import { elevatedUsersOnly, canPinMessages, elevatedUsersCallbackOnly, userInfo} from "../helpers/helper_func";
+
+bot.chatType("supergroup" || "group").command("pin", elevatedUsersOnly(canPinMessages(async(ctx: any) => {
+ let user_info = await userInfo(ctx);
+ if (user_info.can_pin_messages == false) {
+ await ctx.reply("You don't have enough rights to pin messages!", {reply_parameters: {message_id: ctx.message.message_id}});
+ return;
+ }
+ else {
+ if (ctx.message.reply_to_message == undefined) {
+ await ctx.reply("Reply to a message to pin it.", {reply_parameters: {message_id: ctx.message.message_id}});
+ return;
+ }
+
+ if (ctx.match == "silent" || ctx.match == "quiet" || ctx.match == "noalert") {
+ await ctx.api.pinChatMessage(ctx.chat.id, ctx.message.reply_to_message.message_id, {disable_notification: true});
+ }
+ else if (ctx.match == "alert" || ctx.match == "loud") {
+ await ctx.api.pinChatMessage(ctx.chat.id, ctx.message.reply_to_message.message_id, {disable_notification: false});
+ }
+ else {
+ await ctx.api.pinChatMessage(ctx.chat.id, ctx.message.reply_to_message.message_id, {disable_notification: true}); 
+ }
+ }
+})));
+
+bot.chatType("supergroup" || "group").command("unpin", elevatedUsersOnly(canPinMessages(async(ctx: any) => {
+ let user_info = await userInfo(ctx);
+ if (user_info.can_pin_messages == false) {
+ await ctx.reply("You don't have enough rights to unpin messages!", {reply_parameters: {message_id: ctx.message.message_id}});
+ return;
+ }
+ else {
+ if (ctx.message.reply_to_message == undefined) {
+ await ctx.api.unpinChatMessage(ctx.chat.id)
+ .then(ctx.reply("Unpinned the most recent pinned message!", {reply_parameters: {message_id: ctx.message.message_id}}))
+ .catch((GrammyError: any) => {ctx.reply("Failed to unpin message: invalid message / message probably does not exist.")});
+ }
+ else {
+ await ctx.api.unpinChatMessage(ctx.chat.id, {message_id: ctx.message.reply_to_message.message_id})
+ .then(ctx.reply("Unpinned the message successfully!", {reply_parameters: {message_id: ctx.message.message_id}}))
+ .catch((GrammyError: any) => {ctx.reply("Failed to unpin message: invalid message / message probably does not exist.")});
+ }
+ }
+})));
+
+
+bot.chatType("supergroup" || "group").command("unpinall", elevatedUsersOnly(canPinMessages(async(ctx: any) => {
+ let user_info = await userInfo(ctx);
+ if (user_info.can_pin_messages == false) {
+ await ctx.reply("You don't have enough rights to unpin messages!", {reply_parameters: {message_id: ctx.message.message_id}});
+ return;
+ }
+ else {
+ let confirmUnpin = new InlineKeyboard()
+ .text("Yes", "yes-unpin")
+ .text("No", "no-unpin");
+
+ await ctx.api.sendMessage(ctx.chat.id, "Are you sure you want to unpin <b>ALL the pinned messages</b> in this chat?\n\n<i>This action cannot be undone.</i>", {reply_markup: confirmUnpin, reply_parameters: {message_id: ctx.message.message_id}, parse_mode: "HTML"}); 
+ }
+})));
+
+bot.callbackQuery("yes-unpin", elevatedUsersCallbackOnly(async(ctx: any) => {
+ await ctx.api.unpinAllChatMessages(ctx.chat.id)
+ .then(ctx.editMessageText("Unpinned all the messages successfully!"))
+ .catch((GrammyError: any) => {ctx.editMessageText("Failed to unpin messages: invalid message / message probably does not exist.")});
+}));
+
+bot.callbackQuery("no-unpin", elevatedUsersCallbackOnly(async(ctx: any) => {
+ await ctx.editMessageText("Okay fine. Tell me when you change your mind!", { parse_mode: "HTML" });
+}));
+