JewelryStoreListImplement/Implements/ImplementerStorage.cs

@@ -0,0 +1,131 @@
+using JewelryStoreContracts.BindingModels;
+using JewelryStoreContracts.SearchModels;
+using JewelryStoreContracts.ViewModels;
+using JewelryStoreListImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace JewelryStoreListImplement.Implements
+{
+    public class ImplementerStorage
+    {
+        private readonly DataListSingleton _source;
+        public ImplementerStorage()
+        {
+            _source = DataListSingleton.GetInstance();
+        }
+
+        public ImplementerViewModel? Delete(ImplementerBindingModel model)
+        {
+            for (int i = 0; i < _source.Implementers.Count; ++i)
+            {
+                if (_source.Implementers[i].Id == model.Id)
+                {
+                    var element = _source.Implementers[i];
+                    _source.Implementers.RemoveAt(i);
+
+                    return element.GetViewModel;
+                }
+            }
+            return null;
+        }
+
+        public ImplementerViewModel? GetElement(ImplementerSearchModel model)
+        {
+            foreach (var x in _source.Implementers)
+            {
+                if (model.Id.HasValue && x.Id == model.Id)
+                    return x.GetViewModel;
+
+                if (model.ImplementerFIO != null && model.Password != null &&
+                    x.ImplementerFIO.Equals(model.ImplementerFIO) &&
+                    x.Password.Equals(model.Password))
+                    return x.GetViewModel;
+
+                if (model.ImplementerFIO != null && x.ImplementerFIO.Equals(model.ImplementerFIO))
+                    return x.GetViewModel;
+            }
+            return null;
+        }
+
+        public List<ImplementerViewModel> GetFilteredList(ImplementerSearchModel model)
+        {
+            if (model == null)
+            {
+                return new();
+            }
+
+            if (model.Id.HasValue)
+            {
+                var res = GetElement(model);
+
+                return res != null ? new() { res } : new();
+            }
+
+            List<ImplementerViewModel> result = new();
+
+            if (model.ImplementerFIO != null)
+            {
+                foreach (var implementer in _source.Implementers)
+                {
+                    if (implementer.ImplementerFIO.Equals(model.ImplementerFIO))
+                    {
+                        result.Add(implementer.GetViewModel);
+                    }
+                }
+            }
+            return result;
+        }
+
+        public List<ImplementerViewModel> GetFullList()
+        {
+            var result = new List<ImplementerViewModel>();
+
+            foreach (var implementer in _source.Implementers)
+            {
+                result.Add(implementer.GetViewModel);
+            }
+
+            return result;
+        }
+
+        public ImplementerViewModel? Insert(ImplementerBindingModel model)
+        {
+            model.Id = 1;
+
+            foreach (var implementer in _source.Implementers)
+            {
+                if (model.Id <= implementer.Id)
+                {
+                    model.Id = implementer.Id + 1;
+                }
+            }
+
+            var res = Implementer.Create(model);
+
+            if (res != null)
+            {
+                _source.Implementers.Add(res);
+            }
+            return res?.GetViewModel;
+        }
+
+        public ImplementerViewModel? Update(ImplementerBindingModel model)
+        {
+            foreach (var implementer in _source.Implementers)
+            {
+                if (implementer.Id == model.Id)
+                {
+                    implementer.Update(model);
+
+                    return implementer.GetViewModel;
+                }
+            }
+            return null;
+        }
+    }
+}
+}