refactor: 将Data到ViewModel的转换由App转移至Server端

- 将逻辑转移到Server端后，简化前端逻辑

server/mappers/productMapper.test.ts

@@ -0,0 +1,188 @@
+import { describe, test, expect } from 'vitest';
+import {
+  toProductListView,
+  toProductSpecView,
+  toProductSpecGroupView,
+  toProductView,
+} from './productMapper';
+
+/**
+ * 单元测试: toProductListView
+ */
+describe('toProductListView', () => {
+  test('convert raw data to ProductListView correctly', () => {
+    const rawData: Product = {
+      id: 1,
+      translations: [
+        { id: 10, name: 'Product Name', summary: 'Product Summary' },
+      ],
+      cover: {
+        id: 'cover-file-uuid-1234',
+      },
+      product_type: {
+        id: 1,
+        translations: [{ id: 20, name: 'Type Name' }],
+        sort: 1,
+      },
+    };
+
+    expect(toProductListView(rawData)).toEqual({
+      id: 1,
+      name: 'Product Name',
+      summary: 'Product Summary',
+      cover: 'cover-file-uuid-1234',
+      product_type: {
+        id: 1,
+        name: 'Type Name',
+        sort: 1,
+      },
+    });
+  });
+
+  test('convert raw data with missing translations', () => {
+    const rawData: Product = {
+      id: 1,
+      translations: [],
+      cover: {
+        id: 'cover-file-uuid-1234',
+      },
+      product_type: {
+        id: 20,
+        translations: [],
+        sort: 1,
+      },
+    };
+
+    expect(toProductListView(rawData)).toEqual({
+      id: 1,
+      name: '',
+      summary: '',
+      cover: 'cover-file-uuid-1234',
+      product_type: {
+        id: 20,
+        name: '',
+        sort: 1,
+      },
+    });
+  });
+});
+
+/**
+ * 单元测试: toProductSpecView
+ */
+describe('toProductSpecView', () => {
+  test('convert raw data to ProductSpecView correctly', () => {
+    const rawData: ProductSpec = {
+      id: 1,
+      translations: [{ id: 1, key: 'Key', value: 'Value' }],
+    };
+
+    expect(toProductSpecView(rawData)).toEqual({
+      id: 1,
+      key: 'Key',
+      value: 'Value',
+    });
+  });
+
+  test('convert raw data with missing translations', () => {
+    const rawData: ProductSpec = {
+      id: 1,
+      translations: [],
+    };
+
+    expect(toProductSpecView(rawData)).toEqual({
+      id: 1,
+      key: '',
+      value: '',
+    });
+  });
+});
+
+/**
+ * 单元测试: toProductSpecGroupView
+ */
+describe('toProductSpecGroupView', () => {
+  test('convert raw data to ProductSpecGroupView correctly', () => {
+    const rawData: ProductSpecGroup = {
+      id: 1,
+      translations: [{ id: 1, name: 'Group Name' }],
+      specs: [
+        { id: 1, translations: [{ id: 1, key: 'Key1', value: 'Value1' }] },
+        { id: 2, translations: [{ id: 2, key: 'Key2', value: 'Value2' }] },
+      ],
+    };
+
+    expect(toProductSpecGroupView(rawData)).toEqual({
+      id: 1,
+      name: 'Group Name',
+      specs: [
+        { id: 1, key: 'Key1', value: 'Value1' },
+        { id: 2, key: 'Key2', value: 'Value2' },
+      ],
+    });
+  });
+
+  test('convert raw data with missing translations', () => {
+    const rawData: ProductSpecGroup = {
+      id: 1,
+      translations: [],
+      specs: [],
+    };
+
+    expect(toProductSpecGroupView(rawData)).toEqual({
+      id: 1,
+      name: '',
+      specs: [],
+    });
+  });
+});
+
+/**
+ * 单元测试: toProductView
+ */
+describe('toProductView', () => {
+  test('convert raw data to ProductView correctly', () => {
+    const rawData: Product = {
+      id: 1,
+      translations: [
+        {
+          id: 1,
+          name: 'Product Name',
+          summary: 'Product Summary',
+          description: 'Product Description',
+        },
+      ],
+    };
+
+    expect(toProductView(rawData)).toEqual({
+      id: 1,
+      name: 'Product Name',
+      summary: 'Product Summary',
+      description: 'Product Description',
+      product_type: '',
+      images: [],
+      documents: [],
+      faqs: [],
+      specs: [],
+    });
+  });
+
+  test('convert raw data with missing translations', () => {
+    const rawData: Product = {
+      id: 1,
+      translations: [],
+    };
+
+    expect(toProductView(rawData)).toEqual({
+      id: 1,
+      name: '',
+      summary: '',
+      description: '',
+      product_type: '',
+      images: [],
+      documents: [],
+      faqs: [],
+      specs: [],
+    });
+  });
+});