Implemented SessionManager and TextChannelService + several improvements and fixes

src/services/dmService.test.ts

@@ -0,0 +1,29 @@
+import {describe, expect, it} from "vitest";
+import {DMService} from "./dmService";
+import {DatabaseMock} from "../mocks/storage/database";
+import {faker} from "@faker-js/faker/locale/en";
+
+describe("DmService", () => {
+    const service = new DMService("", "", "", new DatabaseMock(), () => {})
+
+    it("should get messages", async () => {
+        const messages = await service.get()
+        expect(messages[0].message).toBe("This is a message")
+    })
+
+    it('should get message position', async () => {
+        const pos = await service.getMessagePos("")
+        expect(pos).toBe(5000)
+    });
+
+    it('should get pinned messages', async () => {
+        const pinnedMessages = await service.getPinnedMessages()
+        expect(pinnedMessages[0].message).toBe("This is a pinned message")
+    });
+
+    it('should send a new message', async () => {
+        const message = faker.internet.displayName()
+        const newMessage = await service.sendMessage(message)
+        expect(newMessage.message).toBe(message)
+    });
+})