Allow drafts to be created without requiring a collection (#4175)

* feat(server): allow document to be created without collectionId

* fix(server): policies for a draft doc without collection

* fix(app): hide share button for drafts

* feat(server): permissions around publishing a draft

* fix(server): return drafts without collection

* fix(server): handle draft deletion

* fix(server): show drafts in deleted docs

* fix(server): allow drafts without collection to be restored

* feat(server): return drafts in search results

* fix: use buildDraftDocument for drafts

* fix: remove isDraftWithoutCollection

* fix: do not return drafts for team

* fix: put invariants

* fix: query clause

* fix: check only for undefined

* fix: restore includeDrafts clause as it was before

server/test/factories.ts

@@ -1,3 +1,4 @@
+import { isNull } from "lodash";
 import { v4 as uuidv4 } from "uuid";
 import { CollectionPermission } from "@shared/types";
 import {
@@ -323,8 +324,22 @@ export async function buildGroupUser(
   });
 }
 
-export async function buildDocument(
+export async function buildDraftDocument(
   overrides: Partial<Document> & { userId?: string } = {}
+) {
+  return buildDocument({ ...overrides, collectionId: null });
+}
+
+export async function buildDocument(
+  // Omission first, addition later?
+  // This is actually a workaround to allow
+  // passing collectionId as null. Ideally, it
+  // should be updated in the Document model itself
+  // but that'd cascade and require further changes
+  // beyond the scope of what's required now
+  overrides: Omit<Partial<Document>, "collectionId"> & { userId?: string } & {
+    collectionId?: string | null;
+  } = {}
 ) {
   if (!overrides.teamId) {
     const team = await buildTeam();
@@ -336,7 +351,7 @@ export async function buildDocument(
     overrides.userId = user.id;
   }
 
-  if (!overrides.collectionId) {
+  if (overrides.collectionId === undefined) {
     const collection = await buildCollection({
       teamId: overrides.teamId,
       userId: overrides.userId,
@@ -348,7 +363,7 @@ export async function buildDocument(
   return Document.create({
     title: `Document ${count}`,
     text: "This is the text in an example document",
-    publishedAt: new Date(),
+    publishedAt: isNull(overrides.collectionId) ? null : new Date(),
     lastModifiedById: overrides.userId,
     createdById: overrides.userId,
     ...overrides,