feat: Document subscriptions (#3834)

Co-authored-by: Tom Moor <tom.moor@gmail.com>

server/commands/subscriptionDestroyer.test.ts

@@ -0,0 +1,101 @@
+import { sequelize } from "@server/database/sequelize";
+import { Subscription, Event } from "@server/models";
+import {
+  buildDocument,
+  buildSubscription,
+  buildUser,
+} from "@server/test/factories";
+import { getTestDatabase } from "@server/test/support";
+import subscriptionDestroyer from "./subscriptionDestroyer";
+
+const db = getTestDatabase();
+
+beforeEach(db.flush);
+afterAll(db.disconnect);
+
+describe("subscriptionDestroyer", () => {
+  const ip = "127.0.0.1";
+
+  it("should destroy existing subscription", async () => {
+    const user = await buildUser();
+
+    const document = await buildDocument({
+      userId: user.id,
+      teamId: user.teamId,
+    });
+
+    const subscription = await buildSubscription({
+      userId: user.id,
+      documentId: document.id,
+    });
+
+    await sequelize.transaction(
+      async (transaction) =>
+        await subscriptionDestroyer({
+          user,
+          subscription,
+          ip,
+          transaction,
+        })
+    );
+
+    const count = await Subscription.count();
+
+    expect(count).toEqual(0);
+
+    const event = await Event.findOne();
+
+    expect(event?.name).toEqual("subscriptions.delete");
+    expect(event?.modelId).toEqual(subscription.id);
+    expect(event?.actorId).toEqual(subscription.userId);
+    expect(event?.userId).toEqual(subscription.userId);
+    expect(event?.documentId).toEqual(subscription.documentId);
+  });
+
+  it("should soft delete row", async () => {
+    const user = await buildUser();
+
+    const document = await buildDocument({
+      userId: user.id,
+      teamId: user.teamId,
+    });
+
+    const subscription = await buildSubscription({
+      userId: user.id,
+      documentId: document.id,
+    });
+
+    await sequelize.transaction(
+      async (transaction) =>
+        await subscriptionDestroyer({
+          user,
+          subscription,
+          ip,
+          transaction,
+        })
+    );
+
+    const count = await Subscription.count();
+
+    expect(count).toEqual(0);
+
+    const event = await Event.findOne();
+
+    expect(event?.name).toEqual("subscriptions.delete");
+    expect(event?.modelId).toEqual(subscription.id);
+    expect(event?.actorId).toEqual(subscription.userId);
+    expect(event?.userId).toEqual(subscription.userId);
+    expect(event?.documentId).toEqual(subscription.documentId);
+
+    const deletedSubscription = await Subscription.findOne({
+      where: {
+        userId: user.id,
+        documentId: document.id,
+      },
+      paranoid: false,
+    });
+
+    expect(deletedSubscription).toBeDefined();
+    expect(deletedSubscription?.deletedAt).toBeDefined();
+  });
+});