Automod work vol 3

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

@@ -0,0 +1,55 @@
+import * as t from "io-ts";
+import { automodTrigger } from "../helpers";
+import { convertDelayStringToMS, tDelayString } from "../../../utils";
+import { getMatchingRecentActions } from "../functions/getMatchingRecentActions";
+import { RecentActionType } from "../constants";
+import { sumRecentActionCounts } from "../functions/sumRecentActionCounts";
+import { findRecentSpam } from "../functions/findRecentSpam";
+
+export const MemberJoinSpamTrigger = automodTrigger<unknown>()({
+  configType: t.type({
+    amount: t.number,
+    within: tDelayString,
+  }),
+
+  defaultConfig: {},
+
+  async match({ pluginData, context, triggerConfig }) {
+    if (!context.joined || !context.member) {
+      return;
+    }
+
+    const recentSpam = findRecentSpam(pluginData, RecentActionType.MemberJoin);
+    if (recentSpam) {
+      context.actioned = true;
+      return {};
+    }
+
+    const since = Date.now() - convertDelayStringToMS(triggerConfig.within);
+    const matchingActions = getMatchingRecentActions(pluginData, RecentActionType.MemberJoin, null, since);
+    const totalCount = sumRecentActionCounts(matchingActions);
+
+    if (totalCount >= triggerConfig.amount) {
+      const contexts = [context, ...matchingActions.map(a => a.context).filter(c => c !== context)];
+
+      for (const _context of contexts) {
+        _context.actioned = true;
+      }
+
+      pluginData.state.recentSpam.push({
+        type: RecentActionType.MemberJoin,
+        timestamp: Date.now(),
+        archiveId: null,
+        userIds: [],
+      });
+
+      return {
+        extraContexts: contexts,
+      };
+    }
+  },
+
+  renderMatchInformation({ pluginData, contexts, triggerConfig }) {
+    return null;
+  },
+});