Improve audit log error handling, show BOT_ALERT in more cases

backend/src/utils/safeFindRelevantAuditLogEntry.ts

@@ -0,0 +1,30 @@
+import { PluginData } from "knub";
+import { LogsPlugin } from "../plugins/Logs/LogsPlugin";
+import { findRelevantAuditLogEntry, isDiscordRESTError } from "../utils";
+import { LogType } from "../data/LogType";
+
+/**
+ * Wrapper for findRelevantAuditLogEntry() that handles permission errors gracefully.
+ * Calling plugin must have LogsPlugin as a dependency (or be LogsPlugin itself).
+ */
+export async function safeFindRelevantAuditLogEntry(
+  pluginData: PluginData<any>,
+  actionType: number,
+  userId: string,
+  attempts?: number,
+  attemptDelay?: number,
+) {
+  try {
+    return await findRelevantAuditLogEntry(pluginData.guild, actionType, userId, attempts, attemptDelay);
+  } catch (e) {
+    if (isDiscordRESTError(e) && e.code === 50013) {
+      const logs = pluginData.getPlugin(LogsPlugin);
+      logs.log(LogType.BOT_ALERT, {
+        body: "Missing permissions to read audit log",
+      });
+      return;
+    }
+
+    throw e;
+  }
+}