[next] MongoDB Indexes (#2142)

* feat: added mongo indexing support

* fix: fixed typescript issue

* chore: better types

* fix: revert debug stuff

* fix: addressed ts error

* feat: added config option to disable auto-indexing

* chore: reordered imports

* refactor: cleaned up some filepaths

src/core/server/models/action/comment.ts

@@ -11,7 +11,10 @@ import {
   GQLCOMMENT_FLAG_REASON,
   GQLCOMMENT_FLAG_REPORTED_REASON,
 } from "talk-server/graph/tenant/schema/__generated__/types";
-import { FilterQuery } from "talk-server/models/query";
+import {
+  createIndexFactory,
+  FilterQuery,
+} from "talk-server/models/helpers/query";
 import { TenantResource } from "talk-server/models/tenant";
 
 function collection(db: Db) {
@@ -103,6 +106,16 @@ export interface CommentAction extends TenantResource {
   metadata?: Record<string, any>;
 }
 
+export async function createCommentActionIndexes(mongo: Db) {
+  const createIndex = createIndexFactory(collection(mongo));
+
+  // UNIQUE { id }
+  await createIndex({ tenantID: 1, id: 1 }, { unique: true });
+
+  // { actionType, commentID }
+  await createIndex({ tenantID: 1, actionType: 1, commentID: 1, userID: 1 });
+}
+
 const ActionSchema = [
   // Flags
   {
@@ -245,9 +258,9 @@ export async function retrieveUserAction(
 ) {
   return collection(mongo).findOne({
     tenantID,
+    actionType,
     commentID,
     userID,
-    actionType,
   });
 }
 

src/core/server/models/action/moderation/comment.ts

@@ -8,8 +8,11 @@ import {
   ConnectionInput,
   getPageInfo,
   nodesToEdges,
-} from "talk-server/models/connection";
-import Query from "talk-server/models/query";
+} from "talk-server/models/helpers/connection";
+import Query, {
+  createConnectionOrderVariants,
+  createIndexFactory,
+} from "talk-server/models/helpers/query";
 import { TenantResource } from "talk-server/models/tenant";
 
 function collection(db: Db) {
@@ -18,6 +21,22 @@ function collection(db: Db) {
   );
 }
 
+export async function createCommentModerationActionIndexes(mongo: Db) {
+  const createIndex = createIndexFactory(collection(mongo));
+
+  // UNIQUE { id }
+  await createIndex({ tenantID: 1, id: 1 }, { unique: true });
+
+  const createVariants = createConnectionOrderVariants<
+    Readonly<CommentModerationAction>
+  >([{ createdAt: -1 }]);
+
+  // { moderatorID, ...connectionParams }
+  await createVariants(createIndex, {
+    moderatorID: 1,
+  });
+}
+
 /**
  * CommentModerationAction stores information around a moderation action that
  * was created for a given Comment Revision.