feat: model mixed-SKU dropship cartons

src/modules/first-leg/utils/firstLegOrder.ts

@@ -65,6 +65,7 @@ export function createEmptyCargoItem(id = `cargo-${Date.now()}`): FirstLegCargoI
     unitsPerPackage: 1,
     pieces: 1,
     packageCount: 1,
+    packingGroupNo: '',
     grossWeightKg: 0,
     volumeCbm: 0,
     netWeightKg: 0,
@@ -130,22 +131,48 @@ export function validateFirstLegOrderDraft(draft: FirstLegOrderDraft) {
     if (!Number.isInteger(item.pieces) || item.pieces <= 0) errors.push(`${line}件数必须为正整数`)
     if (!Number.isInteger(item.packageCount) || item.packageCount <= 0) errors.push(`${line}箱数必须为正整数`)
     if (!Number.isInteger(item.unitsPerPackage) || item.unitsPerPackage <= 0) errors.push(`${line}每箱数量必须为正整数`)
+    if (Number.isInteger(item.unitsPerPackage) && item.unitsPerPackage > 0
+      && Number.isInteger(item.packageCount) && item.packageCount > 0
+      && Number.isInteger(item.pieces) && item.pieces > 0
+      && item.pieces !== item.unitsPerPackage * item.packageCount) {
+      errors.push(`${line}总数量应等于每箱数量 × 箱数（${item.unitsPerPackage * item.packageCount}）`)
+    }
     if (item.grossWeightKg <= 0) errors.push(`${line}毛重必须大于 0`)
     if (item.volumeCbm <= 0) errors.push(`${line}体积必须大于 0`)
     if (item.woodenProduct && draft.customsInspection !== true) errors.push(`${line}为木制品，“是否商检”必须选择“是”`)
   })
 
+  if (draft.fulfillmentType === 'ONE_CLICK_DROPSHIP') {
+    const groups = new Map<string, FirstLegCargoItem>()
+    draft.items.forEach((item) => {
+      const group = item.packingGroupNo.trim()
+      if (!group) return
+      const first = groups.get(group)
+      if (!first) groups.set(group, item)
+      else if (first.packageCount !== item.packageCount || first.packageType !== item.packageType
+        || first.lengthCm !== item.lengthCm || first.widthCm !== item.widthCm || first.heightCm !== item.heightCm) {
+        errors.push(`混箱组合 ${group} 的箱数、包装类型和箱规必须一致`)
+      }
+    })
+  }
+
   return errors
 }
 
 export function summarizeFirstLegCargo(items: FirstLegCargoItem[]) {
+  const countedGroups = new Set<string>()
   return items.reduce(
-    (summary, item) => ({
+    (summary, item) => {
+      const group = item.packingGroupNo.trim()
+      const packageCount = group && countedGroups.has(group) ? 0 : item.packageCount
+      if (group) countedGroups.add(group)
+      return ({
       pieces: summary.pieces + item.pieces,
-      packageCount: summary.packageCount + item.packageCount,
+      packageCount: summary.packageCount + packageCount,
       grossWeightKg: summary.grossWeightKg + item.grossWeightKg,
       volumeCbm: summary.volumeCbm + item.volumeCbm,
-    }),
+      })
+    },
     { pieces: 0, packageCount: 0, grossWeightKg: 0, volumeCbm: 0 },
   )
 }