feat(commands): Add pin command

2 files changed, 53 insertions, 0 deletions

diff --git a/packages/gateway/src/commands/commandHandler.ts b/packages/gateway/src/commands/commandHandler.ts
index e985e11..c9b4ee9 100644
--- a/packages/gateway/src/commands/commandHandler.ts
+++ b/packages/gateway/src/commands/commandHandler.ts
@@ -4,6 +4,7 @@ import { handleStartCommand } from "./start";
 import { handleCrpCommand } from "./crp";
 import { handleReactCommand } from "./react";
 import { handleDeleteCommand } from "./delete";
+import { handlePinCommand } from "./pin";
 
 export const handleCommandHandler = (client: Client) => {
   client.on(Events.MessageCreate, async (message: Message) => {
@@ -15,6 +16,7 @@ export const handleCommandHandler = (client: Client) => {
       handleCrpCommand(message),
       handleReactCommand(message),
       handleDeleteCommand(message),
+      handlePinCommand(message),
     ]);
   });
 };
diff --git a/packages/gateway/src/commands/pin.ts b/packages/gateway/src/commands/pin.ts
new file mode 100644
index 0000000..da89cf1
--- /dev/null
+++ b/packages/gateway/src/commands/pin.ts
@@ -0,0 +1,51 @@
+import { Message } from "discord.js";
+
+export const handlePinCommand = async (message: Message) => {
+  if (message.author.bot) return;
+
+  if (!message.content.startsWith("uma!pin")) return;
+
+  const application = await message.client.application?.fetch();
+  const ownerId = application?.owner?.id;
+
+  if (message.author.id !== ownerId) return;
+
+  const parameters = message.content.split(" ");
+
+  if (parameters.length < 2) {
+    await message.reply("❌ Usage: `uma!pin <message_id>`");
+
+    return;
+  }
+
+  const messageId = parameters[1];
+
+  try {
+    const targetMessage = await message.channel.messages.fetch(messageId);
+
+    if (!targetMessage) {
+      await message.reply("❌ Message not found.");
+
+      return;
+    }
+
+    if (targetMessage.pinned) {
+      await message.reply("❌ Message is already pinned.");
+
+      return;
+    }
+
+    await message.delete();
+    await targetMessage.pin();
+  } catch (error) {
+    console.error("Error pinning message:", error);
+
+    if (error instanceof Error && error.message.includes("Missing Permissions")) {
+      await message.reply("❌ Missing permissions to pin messages in this channel.");
+    } else if (error instanceof Error && error.message.includes("Maximum number of pins")) {
+      await message.reply("❌ Channel has reached maximum number of pinned messages (50). Unpin another message first.");
+    } else {
+      await message.reply("❌ Failed to pin the message. Message ID may be invalid.");
+    }
+  }
+};