add carton from mix_box & from cargos

lib/data/provider/carton_data_provider.dart

@@ -1,5 +1,8 @@
 import 'dart:async';
+import 'dart:convert';
 
+import 'package:cloud_firestore/cloud_firestore.dart';
+import 'package:fcs/domain/constants.dart';
 import 'package:fcs/domain/entities/carton.dart';
 import 'package:fcs/helpers/api_helper.dart';
 import 'package:fcs/helpers/firebase_helper.dart';
@@ -31,4 +34,32 @@ class CartonDataProvider {
     return await requestAPI("/cartons/deliver", "PUT",
         payload: carton.toMap(), token: await getToken());
   }
+
+  Future<List<Carton>> searchCarton(String term) async {
+    if (term == null || term == '') return List();
+
+    // var bytes = utf8.encode(term);
+    // var base64Str = base64.encode(bytes);
+    // HtmlEscape htmlEscape = const HtmlEscape();
+    // String escapeBuyer = htmlEscape.convert(base64Str);
+
+    try {
+      String path = "/$cartons_collection";
+      var querySnap = await Firestore.instance
+          .collection(path)
+          .where("carton_number", isEqualTo: term)
+          .where("carton_type",
+              whereIn: [carton_from_packages, carton_from_cargos])
+          .where("status", isEqualTo: carton_packed_status)
+          .where("is_deleted", isEqualTo: false)
+          .orderBy("user_name")
+          .getDocuments();
+      return querySnap.documents
+          .map((e) => Carton.fromMap(e.data, e.documentID))
+          .toList();
+    } catch (e) {
+      log.warning("carton error:" + e.toString());
+      return null;
+    }
+  }
 }

lib/data/services/carton_imp.dart

@@ -33,4 +33,9 @@ class CartonServiceImp implements CartonService {
   Future<void> deliver(Carton carton) {
     return cartonDataProvider.deliver(carton);
   }
+
+  @override
+  Future<List<Carton>> searchCarton(String term) {
+    return cartonDataProvider.searchCarton(term);
+  }
 }

lib/data/services/carton_service.dart

@@ -5,4 +5,5 @@ abstract class CartonService {
   Future<void> updateCarton(Carton carton);
   Future<void> deleteCarton(Carton carton);
   Future<void> deliver(Carton carton);
+  Future<List<Carton>> searchCarton(String term);
 }