LP6 完善请假采购体验与审批说明

server/src/routes/leave.js

@@ -94,6 +94,46 @@ const LEAVE_TYPE_SELECT = {
   },
 };
 
+const LEAVE_WORKFLOW_SELECT = {
+  orderBy: { created_at: "desc" },
+  take: 1,
+  select: {
+    id: true,
+    current_status: true,
+    current_step_id: true,
+    workflow_tasks: {
+      where: { status: "pending" },
+      orderBy: { created_at: "asc" },
+      take: 1,
+      select: {
+        id: true,
+        step_id: true,
+        step_name: true,
+        assignee_id: true,
+        assignee_role: true,
+      },
+    },
+    workflow_history: {
+      orderBy: { created_at: "desc" },
+      take: 8,
+      select: {
+        id: true,
+        task_id: true,
+        actor_id: true,
+        action: true,
+        comment: true,
+        created_at: true,
+        actor: {
+          select: {
+            employee_no: true,
+            name: true,
+          },
+        },
+      },
+    },
+  },
+};
+
 function buildValidationError(details, statusCode = 400) {
   return new AppError({
     code: "VALID_001",
@@ -347,7 +387,43 @@ function mapLeaveTypeSummary(leaveType) {
   };
 }
 
+function mapWorkflowHistoryItem(item) {
+  return {
+    id: item.id,
+    taskId: item.task_id ?? null,
+    actorId: item.actor_id,
+    actorName: item.actor?.name ?? null,
+    actorEmployeeNo: item.actor?.employee_no ?? null,
+    action: item.action,
+    comment: item.comment ?? null,
+    createdAt: item.created_at?.toISOString?.() ?? null,
+  };
+}
+
+function mapPendingWorkflow(instance) {
+  if (!instance || instance.current_status !== "pending") {
+    return null;
+  }
+
+  const task = instance.workflow_tasks?.[0] ?? null;
+  return {
+    instanceId: instance.id,
+    currentStatus: instance.current_status,
+    currentStepId: instance.current_step_id,
+    task: task
+      ? {
+          id: task.id,
+          stepId: task.step_id,
+          stepName: task.step_name,
+          assigneeId: task.assignee_id,
+          assigneeRole: task.assignee_role,
+        }
+      : null,
+  };
+}
+
 function mapLeaveRequestResponse(leave) {
+  const latestWorkflow = leave.workflow_instances?.[0] ?? null;
   return {
     id: leave.id,
     ownerId: leave.owner_id,
@@ -374,6 +450,8 @@ function mapLeaveRequestResponse(leave) {
           name: leave.owner.name,
         }
       : null,
+    pendingWorkflow: mapPendingWorkflow(latestWorkflow),
+    approvalHistory: (latestWorkflow?.workflow_history ?? []).map(mapWorkflowHistoryItem),
     createdAt: leave.created_at?.toISOString?.() ?? null,
     updatedAt: leave.updated_at?.toISOString?.() ?? null,
   };
@@ -562,6 +640,7 @@ async function leaveRoutes(fastify) {
                 name: true,
               },
             },
+            workflow_instances: LEAVE_WORKFLOW_SELECT,
           },
         }),
         fastify.prisma.leaveRequest.count({ where }),
@@ -668,6 +747,7 @@ async function leaveRoutes(fastify) {
               name: true,
             },
           },
+          workflow_instances: LEAVE_WORKFLOW_SELECT,
         },
       });
 
@@ -849,6 +929,7 @@ async function leaveRoutes(fastify) {
               name: true,
             },
           },
+          workflow_instances: LEAVE_WORKFLOW_SELECT,
         },
       });