fix: Add 10 domain limit per team (#3733)

* fix: Validate team domains are FQDN's
Add 10 domain limit per team
fix: Deletion of domains not happening within request lifecycle

* tests

* docs

server/models/TeamDomain.test.ts

@@ -0,0 +1,72 @@
+import { buildAdmin, buildTeam } from "@server/test/factories";
+import { flushdb } from "@server/test/support";
+import TeamDomain from "./TeamDomain";
+
+beforeEach(() => flushdb());
+
+describe("team domain model", () => {
+  describe("create", () => {
+    it("should allow creation of domains", async () => {
+      const team = await buildTeam();
+      const user = await buildAdmin({ teamId: team.id });
+      const domain = await TeamDomain.create({
+        teamId: team.id,
+        name: "getoutline.com",
+        createdById: user.id,
+      });
+
+      expect(domain.name).toEqual("getoutline.com");
+    });
+
+    it("should not allow junk domains", async () => {
+      const team = await buildTeam();
+      const user = await buildAdmin({ teamId: team.id });
+
+      let error;
+      try {
+        await TeamDomain.create({
+          teamId: team.id,
+          name: "sdfsdf",
+          createdById: user.id,
+        });
+      } catch (err) {
+        error = err;
+      }
+      expect(error).toBeDefined();
+    });
+
+    it("should not allow creation of domains within restricted list", async () => {
+      const team = await buildTeam();
+      const user = await buildAdmin({ teamId: team.id });
+
+      let error;
+      try {
+        await TeamDomain.create({
+          teamId: team.id,
+          name: "gmail.com",
+          createdById: user.id,
+        });
+      } catch (err) {
+        error = err;
+      }
+      expect(error).toBeDefined();
+    });
+
+    it("should ignore casing and spaces when creating domains", async () => {
+      const team = await buildTeam();
+      const user = await buildAdmin({ teamId: team.id });
+
+      let error;
+      try {
+        await TeamDomain.create({
+          teamId: team.id,
+          name: "   GMail.com   ",
+          createdById: user.id,
+        });
+      } catch (err) {
+        error = err;
+      }
+      expect(error).toBeDefined();
+    });
+  });
+});