feat: add thread_create and thread_delete automod triggers (#272)

Co-authored-by: metal <admin@metalruller.com>

backend/src/plugins/Automod/triggers/availableTriggers.ts

@@ -26,6 +26,8 @@ import { NoteTrigger } from "./note";
 import { RoleAddedTrigger } from "./roleAdded";
 import { RoleRemovedTrigger } from "./roleRemoved";
 import { StickerSpamTrigger } from "./stickerSpam";
+import { ThreadCreateTrigger } from "./threadCreate";
+import { ThreadDeleteTrigger } from "./threadDelete";
 import { UnbanTrigger } from "./unban";
 import { UnmuteTrigger } from "./unmute";
 import { WarnTrigger } from "./warn";
@@ -64,6 +66,9 @@ export const availableTriggers: Record<string, AutomodTriggerBlueprint<any, any>
   unban: UnbanTrigger,
 
   antiraid_level: AntiraidLevelTrigger,
+
+  thread_create: ThreadCreateTrigger,
+  thread_delete: ThreadDeleteTrigger,
 };
 
 export const AvailableTriggers = t.type({
@@ -101,4 +106,7 @@ export const AvailableTriggers = t.type({
   unban: UnbanTrigger.configType,
 
   antiraid_level: AntiraidLevelTrigger.configType,
+
+  thread_create: ThreadCreateTrigger.configType,
+  thread_delete: ThreadDeleteTrigger.configType,
 });

backend/src/plugins/Automod/triggers/threadCreate.ts

@@ -0,0 +1,48 @@
+import { Snowflake } from "discord-api-types";
+import { User, Util } from "discord.js";
+import * as t from "io-ts";
+import { automodTrigger } from "../helpers";
+
+interface ThreadCreateResult {
+  matchedThreadId: Snowflake;
+  matchedThreadName: string;
+  matchedThreadParentId: Snowflake;
+  matchedThreadParentName: string;
+  matchedThreadOwner: User | undefined;
+}
+
+export const ThreadCreateTrigger = automodTrigger<ThreadCreateResult>()({
+  configType: t.type({}),
+  defaultConfig: {},
+
+  async match({ context }) {
+    if (!context.threadChange?.created) {
+      return;
+    }
+
+    const thread = context.threadChange.created;
+
+    return {
+      extra: {
+        matchedThreadId: thread.id,
+        matchedThreadName: thread.name,
+        matchedThreadParentId: thread.parentId ?? "Unknown",
+        matchedThreadParentName: thread.parent?.name ?? "Unknown",
+        matchedThreadOwner: context.user,
+      },
+    };
+  },
+
+  async renderMatchInformation({ matchResult }) {
+    const threadId = matchResult.extra.matchedThreadId;
+    const threadName = matchResult.extra.matchedThreadName;
+    const threadOwner = matchResult.extra.matchedThreadOwner;
+    const parentId = matchResult.extra.matchedThreadParentId;
+    const parentName = matchResult.extra.matchedThreadParentName;
+    const base = `Thread **#${threadName}** (\`${threadId}\`) has been created in the **#${parentName}** (\`${parentId}\`) channel`;
+    if (threadOwner) {
+      return `${base} by **${Util.escapeBold(threadOwner.tag)}** (\`${threadOwner.id}\`)`;
+    }
+    return base;
+  },
+});

backend/src/plugins/Automod/triggers/threadDelete.ts

@@ -0,0 +1,51 @@
+import { Snowflake } from "discord-api-types";
+import { User, Util } from "discord.js";
+import * as t from "io-ts";
+import { automodTrigger } from "../helpers";
+
+interface ThreadDeleteResult {
+  matchedThreadId: Snowflake;
+  matchedThreadName: string;
+  matchedThreadParentId: Snowflake;
+  matchedThreadParentName: string;
+  matchedThreadOwner: User | undefined;
+}
+
+export const ThreadDeleteTrigger = automodTrigger<ThreadDeleteResult>()({
+  configType: t.type({}),
+  defaultConfig: {},
+
+  async match({ context }) {
+    if (!context.threadChange?.deleted) {
+      return;
+    }
+
+    const thread = context.threadChange.deleted;
+
+    return {
+      extra: {
+        matchedThreadId: thread.id,
+        matchedThreadName: thread.name,
+        matchedThreadParentId: thread.parentId ?? "Unknown",
+        matchedThreadParentName: thread.parent?.name ?? "Unknown",
+        matchedThreadOwner: context.user,
+      },
+    };
+  },
+
+  renderMatchInformation({ matchResult }) {
+    const threadId = matchResult.extra.matchedThreadId;
+    const threadOwner = matchResult.extra.matchedThreadOwner;
+    const threadName = matchResult.extra.matchedThreadName;
+    const parentId = matchResult.extra.matchedThreadParentId;
+    const parentName = matchResult.extra.matchedThreadParentName;
+    if (threadOwner) {
+      return `Thread **#${threadName ?? "Unknown"}** (\`${threadId}\`) created by **${Util.escapeBold(
+        threadOwner.tag,
+      )}** (\`${threadOwner.id}\`) in the **#${parentName}** (\`${parentId}\`) channel has been deleted`;
+    }
+    return `Thread **#${
+      threadName ?? "Unknown"
+    }** (\`${threadId}\`) from the **#${parentName}** (\`${parentId}\`) channel has been deleted`;
+  },
+});