Migrate Slowmode to new Plugin structure

backend/src/plugins/Slowmode/util/clearExpiredSlowmodes.ts

@@ -0,0 +1,31 @@
+import { PluginData } from "knub";
+import { SlowmodePluginType } from "../types";
+import { LogType } from "src/data/LogType";
+import { logger } from "src/logger";
+import { GuildChannel, TextChannel } from "eris";
+import { UnknownUser, stripObjectToScalars } from "src/utils";
+import { clearBotSlowmodeFromUserId } from "./clearBotSlowmodeFromUserId";
+
+export async function clearExpiredSlowmodes(pluginData: PluginData<SlowmodePluginType>) {
+  const expiredSlowmodeUsers = await pluginData.state.slowmodes.getExpiredSlowmodeUsers();
+  for (const user of expiredSlowmodeUsers) {
+    const channel = pluginData.guild.channels.get(user.channel_id);
+    if (!channel) {
+      await pluginData.state.slowmodes.clearSlowmodeUser(user.channel_id, user.user_id);
+      continue;
+    }
+
+    try {
+      await clearBotSlowmodeFromUserId(pluginData, channel as GuildChannel & TextChannel, user.user_id);
+    } catch (e) {
+      logger.error(e);
+
+      const realUser = pluginData.client.users.get(user.user_id) || new UnknownUser({ id: user.user_id });
+      pluginData.state.logs.log(LogType.BOT_ALERT, {
+        body: `Failed to clear slowmode permissions from {userMention(user)} in {channelMention(channel)}`,
+        user: stripObjectToScalars(realUser),
+        channel: stripObjectToScalars(channel),
+      });
+    }
+  }
+}