251127:1700 Frontend Start Build

frontend/lib/services/workflow-engine.service.ts

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+// File: lib/services/workflow-engine.service.ts
+import apiClient from "@/lib/api/client";
+import { 
+  CreateWorkflowDefinitionDto, 
+  UpdateWorkflowDefinitionDto, 
+  EvaluateWorkflowDto, 
+  GetAvailableActionsDto 
+} from "@/types/dto/workflow-engine/workflow-engine.dto";
+
+export const workflowEngineService = {
+  // --- Engine Execution (Low-Level) ---
+
+  /**
+   * ตรวจสอบ Action ที่ทำได้ ณ สถานะหนึ่งๆ (ถาม Engine)
+   * POST /workflow-engine/available-actions
+   */
+  getAvailableActions: async (data: GetAvailableActionsDto) => {
+    const response = await apiClient.post("/workflow-engine/available-actions", data);
+    return response.data; // string[] e.g. ['APPROVE', 'REJECT']
+  },
+
+  /**
+   * ประมวลผล Transition (ถาม Engine ว่าถ้าทำ Action นี้แล้วจะไป State ไหน)
+   * POST /workflow-engine/evaluate
+   */
+  evaluate: async (data: EvaluateWorkflowDto) => {
+    const response = await apiClient.post("/workflow-engine/evaluate", data);
+    return response.data; // { nextState: '...', events: [...] }
+  },
+
+  // --- Definition Management (Admin / Workflow Editor) ---
+
+  /**
+   * ดึง Workflow Definition ทั้งหมด
+   * GET /workflow-engine/definitions
+   */
+  getDefinitions: async () => {
+    const response = await apiClient.get("/workflow-engine/definitions");
+    return response.data;
+  },
+
+  /**
+   * ดึง Workflow Definition ตาม ID
+   * GET /workflow-engine/definitions/:id
+   */
+  getDefinitionById: async (id: string | number) => {
+    const response = await apiClient.get(`/workflow-engine/definitions/${id}`);
+    return response.data;
+  },
+
+  /**
+   * สร้าง Workflow Definition ใหม่
+   * POST /workflow-engine/definitions
+   */
+  createDefinition: async (data: CreateWorkflowDefinitionDto) => {
+    const response = await apiClient.post("/workflow-engine/definitions", data);
+    return response.data;
+  },
+
+  /**
+   * อัปเดต Workflow Definition
+   * PATCH /workflow-engine/definitions/:id
+   */
+  updateDefinition: async (id: string | number, data: UpdateWorkflowDefinitionDto) => {
+    const response = await apiClient.patch(`/workflow-engine/definitions/${id}`, data);
+    return response.data;
+  },
+
+  /**
+   * ลบ Workflow Definition
+   * DELETE /workflow-engine/definitions/:id
+   */
+  deleteDefinition: async (id: string | number) => {
+    const response = await apiClient.delete(`/workflow-engine/definitions/${id}`);
+    return response.data;
+  }
+};