feat: add dept/region/customer stats APIs and extend /list filters

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/server/routes/vehicles.ts

@@ -110,6 +110,40 @@ function mapInventoryRegion(region: string): string {
   return '其它';
 }
 
+// Macro-region mapping: province/city -> 华东/华南/华北/华中/西南/西北/其他
+function mapMacroRegion(province: string | null, city: string | null): string {
+  const prov = (province || '').trim();
+  const c = (city || '').trim();
+  const loc = prov + c;
+  if (/上海|江苏|浙江|安徽|福建|江西|山东|南京|杭州|合肥|济南|青岛|苏州|宁波|厦门|嘉兴|无锡/.test(loc)) return '华东';
+  if (/广东|广西|海南|广州|深圳|佛山|东莞|珠海|惠州|中山|南宁/.test(loc)) return '华南';
+  if (/北京|天津|河北|山西|内蒙古|石家庄|太原|呼和浩特/.test(loc)) return '华北';
+  if (/河南|湖北|湖南|郑州|武汉|长沙/.test(loc)) return '华中';
+  if (/重庆|四川|贵州|云南|西藏|成都|昆明|贵阳/.test(loc)) return '西南';
+  if (/陕西|甘肃|青海|宁夏|新疆|西安|兰州|乌鲁木齐/.test(loc)) return '西北';
+  return '其他';
+}
+
+type VehicleTypeCounts = { t4_5: number; t4_5c: number; t18: number; t49: number; trailer: number; other: number; total: number };
+
+function classifyVehicleType(v: Vehicle): keyof Omit<VehicleTypeCounts, 'total'> {
+  if (v.type === '4.5T' && !v.model.includes('冷链')) return 't4_5';
+  if (v.type === '4.5T' && v.model.includes('冷链')) return 't4_5c';
+  if (v.type === '18T') return 't18';
+  if (v.type === '49T') return 't49';
+  if (v.type === '挂车' || v.model.includes('挂车')) return 'trailer';
+  return 'other';
+}
+
+function countByType(vehicles: Vehicle[]): VehicleTypeCounts {
+  const counts: VehicleTypeCounts = { t4_5: 0, t4_5c: 0, t18: 0, t49: 0, trailer: 0, other: 0, total: 0 };
+  for (const v of vehicles) {
+    counts[classifyVehicleType(v)]++;
+    counts.total++;
+  }
+  return counts;
+}
+
 // Map rental status to frontend status
 // Actual DB values: 在库(0), 自营(1), 租赁(2), 待交车(7), 挂靠(8), 异动(12)
 function mapStatus(rentStatus: string | null): 'Operating' | 'Inventory' | 'Pending' | 'Abnormal' {
@@ -605,12 +639,121 @@ app.get('/inventory-analysis', async (c) => {
   return c.json(result);
 });
 
+// GET /api/vehicles/dept-stats — department & manager breakdown
+app.get('/dept-stats', async (c) => {
+  const vehicles = await getVehicles();
+  const withManager = vehicles.filter((v) => v.customerManager);
+
+  const deptMap = new Map<string, Map<string, Vehicle[]>>();
+  for (const v of withManager) {
+    const dept = v.departmentName || '未分配';
+    const mgr = v.customerManager!;
+    if (!deptMap.has(dept)) deptMap.set(dept, new Map());
+    const mgrMap = deptMap.get(dept)!;
+    if (!mgrMap.has(mgr)) mgrMap.set(mgr, []);
+    mgrMap.get(mgr)!.push(v);
+  }
+
+  const result = Array.from(deptMap.entries()).map(([department, mgrMap]) => {
+    const allDeptVehicles = Array.from(mgrMap.values()).flat();
+    const managers = Array.from(mgrMap.entries())
+      .map(([manager, mvs]) => ({ manager, department, ...countByType(mvs) }))
+      .sort((a, b) => b.total - a.total);
+    return {
+      department,
+      totalAssets: allDeptVehicles.length,
+      operatingCount: allDeptVehicles.filter((v) => v.status === 'Operating').length,
+      idleCount: allDeptVehicles.filter((v) => v.status !== 'Operating').length,
+      managers,
+    };
+  }).sort((a, b) => b.totalAssets - a.totalAssets);
+
+  return c.json(result);
+});
+
+// GET /api/vehicles/region-stats — macro-region breakdown for operating vehicles
+app.get('/region-stats', async (c) => {
+  const vehicles = await getVehicles();
+  const operating = vehicles.filter((v) => v.status === 'Operating');
+
+  const regionMap = new Map<string, Vehicle[]>();
+  for (const v of operating) {
+    const region = mapMacroRegion(v.province, v.city);
+    if (!regionMap.has(region)) regionMap.set(region, []);
+    regionMap.get(region)!.push(v);
+  }
+
+  const regionOrder = ['华东', '华南', '华北', '华中', '西南', '西北', '其他'];
+  const result = regionOrder
+    .filter((r) => regionMap.has(r))
+    .map((region) => {
+      const rv = regionMap.get(region)!;
+      const customers = Array.from(new Set(rv.map((v) => v.customerName).filter(Boolean))) as string[];
+      const typeBreakdown = ['4.5T', '18T', '49T'].map((type) => {
+        const typeVehicles = rv.filter((v) => v.type === type);
+        return {
+          type,
+          total: typeVehicles.length,
+          operating: typeVehicles.filter((v) => v.status === 'Operating').length,
+          inventory: typeVehicles.filter((v) => v.status === 'Inventory').length,
+          customers: Array.from(new Set(typeVehicles.map((v) => v.customerName).filter(Boolean))) as string[],
+        };
+      }).filter((t) => t.total > 0);
+
+      return { region, totalAssets: rv.length, operatingCount: rv.filter((v) => v.status === 'Operating').length, inventoryCount: rv.filter((v) => v.status === 'Inventory').length, customers, typeBreakdown };
+    });
+
+  return c.json(result);
+});
+
+// GET /api/vehicles/customer-stats — per-customer breakdown for operating vehicles
+app.get('/customer-stats', async (c) => {
+  const vehicles = await getVehicles();
+  const operating = vehicles.filter((v) => v.status === 'Operating' && v.customerName);
+
+  const custMap = new Map<string, Vehicle[]>();
+  for (const v of operating) {
+    const cust = v.customerName!;
+    if (!custMap.has(cust)) custMap.set(cust, []);
+    custMap.get(cust)!.push(v);
+  }
+
+  const result = Array.from(custMap.entries())
+    .map(([customer, cvs]) => {
+      const first = cvs[0];
+      return {
+        customer,
+        manager: first.customerManager || '',
+        brand: first.brandLabel || '',
+        department: first.departmentName || '',
+        region: mapMacroRegion(first.province, first.city),
+        city: first.city || '',
+        ...countByType(cvs),
+      };
+    })
+    .sort((a, b) => b.total - a.total);
+
+  return c.json(result);
+});
+
+// Vehicle type filter map (same logic as /by-type)
+const VEHICLE_TYPE_FILTERS: Record<string, (v: Vehicle) => boolean> = {
+  '4.5T普货': (v) => v.type === '4.5T' && !v.model.includes('冷链'),
+  '4.5T冷链': (v) => v.type === '4.5T' && v.model.includes('冷链'),
+  '18T': (v) => v.type === '18T',
+  '49T': (v) => v.type === '49T',
+  '其他': (v) => !['4.5T', '18T', '49T'].includes(v.type),
+};
+
 // GET /api/vehicles/list — flat list with optional filters
 app.get('/list', async (c) => {
   const vehicles = await getVehicles();
-  const { batch, model, location, status, category } = c.req.query();
+  const { batch, model, location, status, category, vehicleType, manager, customer, isColdChain, isTrailer } = c.req.query();
 
   let filtered = vehicles;
+  if (vehicleType && VEHICLE_TYPE_FILTERS[vehicleType]) {
+    filtered = filtered.filter(VEHICLE_TYPE_FILTERS[vehicleType]);
+  }
   if (batch && batch !== 'All') {
     filtered = filtered.filter((v) => (v.contractNo || '未知') === batch);
   }
@@ -633,6 +776,20 @@ app.get('/list', async (c) => {
       filtered = filtered.filter((v) => v.status === 'Operating');
     }
   }
+  if (manager) {
+    filtered = filtered.filter((v) => v.customerManager === manager);
+  }
+  if (customer) {
+    filtered = filtered.filter((v) => v.customerName === customer);
+  }
+  if (isColdChain !== undefined) {
+    const wantCold = isColdChain === 'true';
+    filtered = filtered.filter((v) => wantCold ? v.model.includes('冷链') : !v.model.includes('冷链'));
+  }
+  if (isTrailer !== undefined) {
+    const wantTrailer = isTrailer === 'true';
+    filtered = filtered.filter((v) => wantTrailer ? (v.type === '挂车' || v.model.includes('挂车')) : !(v.type === '挂车' || v.model.includes('挂车')));
+  }
 
   return c.json(
     filtered.map((v) => ({