Create docWriteThrough redis cache

packages/backend-core/src/redis/init.ts

@@ -9,7 +9,8 @@ let userClient: Client,
   lockClient: Client,
   socketClient: Client,
   inviteClient: Client,
-  passwordResetClient: Client
+  passwordResetClient: Client,
+  docWritethroughClient: Client
 
 export async function init() {
   userClient = await new Client(utils.Databases.USER_CACHE).init()
@@ -24,6 +25,9 @@ export async function init() {
     utils.Databases.SOCKET_IO,
     utils.SelectableDatabase.SOCKET_IO
   ).init()
+  docWritethroughClient = await new Client(
+    utils.Databases.DOC_WRITE_THROUGH
+  ).init()
 }
 
 export async function shutdown() {
@@ -104,3 +108,10 @@ export async function getPasswordResetClient() {
   }
   return passwordResetClient
 }
+
+export async function getDocWritethroughClient() {
+  if (!writethroughClient) {
+    await init()
+  }
+  return writethroughClient
+}

packages/backend-core/src/redis/utils.ts

@@ -30,6 +30,7 @@ export enum Databases {
   LOCKS = "locks",
   SOCKET_IO = "socket_io",
   BPM_EVENTS = "bpmEvents",
+  DOC_WRITE_THROUGH = "docWriteThrough",
 }
 
 /**