Improve + fix invitation reminder logic

backend/src/db/migrations/20250707162850_last-invited-at-default.ts

@@ -0,0 +1,21 @@
+import { Knex } from "knex";
+
+import { TableName } from "../schemas";
+
+export async function up(knex: Knex): Promise<void> {
+  const hasColumn = await knex.schema.hasColumn(TableName.OrgMembership, "lastInvitedAt");
+  if (hasColumn) {
+    await knex.schema.alterTable(TableName.OrgMembership, (t) => {
+      t.datetime("lastInvitedAt").nullable().defaultTo(knex.fn.now()).alter();
+    });
+  }
+}
+
+export async function down(knex: Knex): Promise<void> {
+  const hasColumn = await knex.schema.hasColumn(TableName.OrgMembership, "lastInvitedAt");
+  if (hasColumn) {
+    await knex.schema.alterTable(TableName.OrgMembership, (t) => {
+      t.datetime("lastInvitedAt").nullable().alter();
+    });
+  }
+}

backend/src/services/org-membership/org-membership-dal.ts

@@ -122,8 +122,8 @@ export const orgMembershipDALFactory = (db: TDbClient) => {
         .orWhere((qb) => {
           // lastInvitedAt is older than 1 week ago AND createdAt is younger than 1 month ago
           void qb
-            .where(`${TableName.OrgMembership}.lastInvitedAt`, "<", oneMonthAgo)
-            .where(`${TableName.OrgMembership}.createdAt`, ">", oneWeekAgo);
+            .where(`${TableName.OrgMembership}.lastInvitedAt`, "<", oneWeekAgo)
+            .where(`${TableName.OrgMembership}.createdAt`, ">", oneMonthAgo);
         });
 
       return memberships;
@@ -135,9 +135,22 @@ export const orgMembershipDALFactory = (db: TDbClient) => {
     }
   };
 
+  const updateLastInvitedAtByIds = async (membershipIds: string[]) => {
+    try {
+      if (membershipIds.length === 0) return;
+      await db(TableName.OrgMembership).whereIn("id", membershipIds).update({ lastInvitedAt: new Date() });
+    } catch (error) {
+      throw new DatabaseError({
+        error,
+        name: "Update last invited at by ids"
+      });
+    }
+  };
+
   return {
     ...orgMembershipOrm,
     findOrgMembershipById,
-    findRecentInvitedMemberships
+    findRecentInvitedMemberships,
+    updateLastInvitedAtByIds
   };
 };

backend/src/services/org/org-service.ts

@@ -109,7 +109,12 @@ type TOrgServiceFactoryDep = {
   projectKeyDAL: Pick<TProjectKeyDALFactory, "find" | "delete" | "insertMany" | "findLatestProjectKey" | "create">;
   orgMembershipDAL: Pick<
     TOrgMembershipDALFactory,
-    "findOrgMembershipById" | "findOne" | "findById" | "findRecentInvitedMemberships" | "updateById"
+    | "findOrgMembershipById"
+    | "findOne"
+    | "findById"
+    | "findRecentInvitedMemberships"
+    | "updateById"
+    | "updateLastInvitedAtByIds"
   >;
   incidentContactDAL: TIncidentContactsDALFactory;
   samlConfigDAL: Pick<TSamlConfigDALFactory, "findOne">;
@@ -763,6 +768,10 @@ export const orgServiceFactory = ({
       }
     });
 
+    await orgMembershipDAL.updateById(inviteeOrgMembership.id, {
+      lastInvitedAt: new Date()
+    });
+
     return { signupToken: undefined };
   };
 
@@ -1464,12 +1473,10 @@ export const orgServiceFactory = ({
             }
           });
         }
-
-        await orgMembershipDAL.updateById(invitedUser.id, {
-          lastInvitedAt: new Date()
-        });
       })
     );
+
+    await orgMembershipDAL.updateLastInvitedAtByIds(invitedUsers.map((u) => u.id));
   };
 
   return {