LP6 完善请假采购体验与审批说明

server/src/routes/purchaseRequests.js

@@ -225,10 +225,6 @@ const PURCHASE_DETAIL_SELECT = {
     },
   },
   workflow_instances: {
-    where: {
-      entity_type: "purchase_request",
-      current_status: "pending",
-    },
     orderBy: { created_at: "desc" },
     take: 1,
     select: {
@@ -247,6 +243,24 @@ const PURCHASE_DETAIL_SELECT = {
           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,
+            },
+          },
+        },
+      },
     },
   },
 };
@@ -537,20 +551,34 @@ function mapPurchaseOrderArchive(item) {
   };
 }
 
+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: toIsoDateTime(item.created_at),
+  };
+}
+
 function mapPurchaseRequestDetail(item, request) {
   const summary = mapPurchaseRequestSummary(item);
-  const pendingWorkflow = item.workflow_instances?.[0]
+  const latestWorkflow = item.workflow_instances?.[0] ?? null;
+  const pendingWorkflow = latestWorkflow?.current_status === "pending"
     ? {
-        instanceId: item.workflow_instances[0].id,
-        currentStatus: item.workflow_instances[0].current_status,
-        currentStepId: item.workflow_instances[0].current_step_id,
-        task: item.workflow_instances[0].workflow_tasks?.[0]
+        instanceId: latestWorkflow.id,
+        currentStatus: latestWorkflow.current_status,
+        currentStepId: latestWorkflow.current_step_id,
+        task: latestWorkflow.workflow_tasks?.[0]
           ? {
-              id: item.workflow_instances[0].workflow_tasks[0].id,
-              stepId: item.workflow_instances[0].workflow_tasks[0].step_id,
-              stepName: item.workflow_instances[0].workflow_tasks[0].step_name,
-              assigneeId: item.workflow_instances[0].workflow_tasks[0].assignee_id,
-              assigneeRole: item.workflow_instances[0].workflow_tasks[0].assignee_role,
+              id: latestWorkflow.workflow_tasks[0].id,
+              stepId: latestWorkflow.workflow_tasks[0].step_id,
+              stepName: latestWorkflow.workflow_tasks[0].step_name,
+              assigneeId: latestWorkflow.workflow_tasks[0].assignee_id,
+              assigneeRole: latestWorkflow.workflow_tasks[0].assignee_role,
             }
           : null,
       }
@@ -580,6 +608,7 @@ function mapPurchaseRequestDetail(item, request) {
     })),
     archiveOrder: mapPurchaseOrderArchive(item.order_archive),
     pendingWorkflow,
+    approvalHistory: (latestWorkflow?.workflow_history ?? []).map(mapWorkflowHistoryItem),
     permissions: {
       canEditDraft: item.status === "draft" && item.applicant_id === request.employee.id,
       canSubmit: item.status === "draft" && item.applicant_id === request.employee.id && request.employee.permissionCodes.includes("procurement.submit"),