feat: updated policy to have sequence order

backend/src/db/migrations/20250603094506_access-request-sequential.ts

@@ -0,0 +1,31 @@
+import { Knex } from "knex";
+
+import { TableName } from "../schemas";
+
+export async function up(knex: Knex): Promise<void> {
+  const hasStepColumn = await knex.schema.hasColumn(TableName.AccessApprovalPolicyApprover, "sequence");
+  const hasApprovalRequiredColumn = await knex.schema.hasColumn(
+    TableName.AccessApprovalPolicyApprover,
+    "approvalsRequired"
+  );
+  if (!hasStepColumn || !hasApprovalRequiredColumn) {
+    await knex.schema.alterTable(TableName.AccessApprovalPolicyApprover, (t) => {
+      if (!hasStepColumn) t.integer("sequence").defaultTo(0);
+      if (!hasApprovalRequiredColumn) t.integer("approvalsRequired").nullable();
+    });
+  }
+}
+
+export async function down(knex: Knex): Promise<void> {
+  const hasStepColumn = await knex.schema.hasColumn(TableName.AccessApprovalPolicyApprover, "sequence");
+  const hasApprovalRequiredColumn = await knex.schema.hasColumn(
+    TableName.AccessApprovalPolicyApprover,
+    "approvalsRequired"
+  );
+  if (hasStepColumn || hasApprovalRequiredColumn) {
+    await knex.schema.alterTable(TableName.AccessApprovalPolicyApprover, (t) => {
+      if (hasStepColumn) t.dropColumn("sequence");
+      if (hasApprovalRequiredColumn) t.dropColumn("approvalsRequired");
+    });
+  }
+}

backend/src/db/schemas/access-approval-policies-approvers.ts

@@ -13,7 +13,9 @@ export const AccessApprovalPoliciesApproversSchema = z.object({
   createdAt: z.date(),
   updatedAt: z.date(),
   approverUserId: z.string().uuid().nullable().optional(),
-  approverGroupId: z.string().uuid().nullable().optional()
+  approverGroupId: z.string().uuid().nullable().optional(),
+  sequence: z.number().default(0).nullable().optional(),
+  approvalsRequired: z.number().default(1).nullable().optional()
 });
 
 export type TAccessApprovalPoliciesApprovers = z.infer<typeof AccessApprovalPoliciesApproversSchema>;