Plugin architecture (#4861)

* wip

* Refactor, tasks, processors, routes loading

* Move Slack settings config to plugin

* Fix translations in plugins

* Move Slack auth to plugin

* test

* Move other slack-related files into plugin

* Forgot to save

* refactor

server/queues/tasks/index.ts

@@ -1,16 +1,28 @@
+import path from "path";
+import { glob } from "glob";
+import Logger from "@server/logging/Logger";
 import { requireDirectory } from "@server/utils/fs";
+import BaseTask from "./BaseTask";
 
 const tasks = {};
 
-requireDirectory(__dirname).forEach(([module, id]) => {
-  // @ts-expect-error ts-migrate(2339) FIXME: Property 'default' does not exist on type 'unknown'
-  const { default: Task } = module;
-
-  if (id === "index") {
-    return;
+requireDirectory<{ default: BaseTask<any> }>(__dirname).forEach(
+  ([module, id]) => {
+    if (id === "index") {
+      return;
+    }
+    tasks[id] = module.default;
   }
+);
 
-  tasks[id] = Task;
-});
+glob
+  .sync("build/plugins/*/server/tasks/!(*.test).js")
+  .forEach((filePath: string) => {
+    // eslint-disable-next-line @typescript-eslint/no-var-requires
+    const task = require(path.join(process.cwd(), filePath)).default;
+    const name = path.basename(filePath, ".js");
+    tasks[name] = task;
+    Logger.debug("task", `Registered task ${name}`);
+  });
 
 export default tasks;