FlowerShopBusinessLogic/ShopLogic.cs

@@ -0,0 +1,135 @@
+using FlowerShopContracts.BindingModels;
+using FlowerShopContracts.BusinessLogicsContracts;
+using FlowerShopContracts.SearchModels;
+using FlowerShopContracts.StoragesContracts;
+using FlowerShopContracts.ViewModels;
+using FlowerShopDataModels.Models;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FlowerShopBusinessLogic
+{
+    public class ShopLogic : IShopLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IShopStorage _shopStorage;
+
+        public ShopLogic(ILogger<ShopLogic> logger, IShopStorage shopStorage)
+        {
+            _logger = logger;
+            _shopStorage = shopStorage;
+        }
+
+        public List<ShopViewModel> ReadList(ShopSearchModel model)
+        {
+            _logger.LogInformation("ReadList. ShopName:{Name}. Id:{ Id}", model?.Name, model?.Id);
+            var list = model == null ? _shopStorage.GetFullList() :
+            _shopStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+
+        }
+
+        public bool MakeSupply(ShopSearchModel model, IFlowerModel flower, int count)
+        {
+            if (model == null)
+                return false;
+            return _shopStorage.SupplyFlowers(model, flower, count);
+        }
+
+        public ShopViewModel ReadElement(ShopSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. ShopName:{ShopName}.Id:{ Id}", model.Name, model.Id);
+            var element = _shopStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+
+        public bool Create(ShopBindingModel model)
+        {
+            CheckModel(model);
+            if (_shopStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Update(ShopBindingModel model)
+        {
+            CheckModel(model);
+            if (_shopStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Delete(ShopBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_shopStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        private void CheckModel(ShopBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.ShopName))
+            {
+                throw new ArgumentNullException("Нет названия магазина",
+               nameof(model.ShopName));
+            }
+            if (string.IsNullOrEmpty(model.Address))
+            {
+                throw new ArgumentNullException("Нет адресса магазина",
+               nameof(model.ShopName));
+            }
+            if (model.DateOpen == null)
+            {
+                throw new ArgumentNullException("Нет даты открытия магазина",
+               nameof(model.ShopName));
+            }
+            _logger.LogInformation("Shop. ShopName:{ShopName}.Address:{Address}. DateOpen:{DateOpen}. Id: { Id}", model.ShopName, model.Address, model.DateOpen, model.Id);
+            var element = _shopStorage.GetElement(new ShopSearchModel
+            {
+                Name = model.ShopName
+            });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Магазин с таким названием уже есть");
+            }
+        }
+    }
+}

FlowerShopContracts/BindingModels/ShopBindingModel.cs

@@ -0,0 +1,18 @@
+using FlowerShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FlowerShopContracts.BindingModels
+{
+    public class ShopBindingModel : IShopModel
+    {
+        public int Id { get; set; }
+        public string ShopName { get; set; }
+        public string Address { get; set; }
+        public DateTime DateOpen { get; set; }
+        public Dictionary<int, (IFlowerModel, int)> ShopFlowers { get; set; } = new();
+    }
+}

FlowerShopContracts/BusinessLogicsContracts/IShopLogic.cs

@@ -0,0 +1,22 @@
+using FlowerShopContracts.BindingModels;
+using FlowerShopContracts.SearchModels;
+using FlowerShopContracts.ViewModels;
+using FlowerShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FlowerShopContracts.BusinessLogicsContracts
+{
+    public interface IShopLogic 
+    {
+        List<ShopViewModel>? ReadList(ShopSearchModel? model);
+        ShopViewModel? ReadElement(ShopSearchModel model);
+        bool Create(ShopBindingModel model);
+        bool Update(ShopBindingModel model);
+        bool Delete(ShopBindingModel model);
+        bool MakeSupply(ShopSearchModel model, IFlowerModel flower, int count);
+    }
+}

FlowerShopContracts/SearchModels/ShopSearchModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FlowerShopContracts.SearchModels
+{
+    public class ShopSearchModel
+    {
+        public int? Id { get; set; }
+        public string? Name { get; set; }
+    }
+}

FlowerShopContracts/StoragesContracts/IShopStorage.cs

@@ -0,0 +1,23 @@
+using FlowerShopContracts.ViewModels;
+using FlowerShopContracts.SearchModels;
+using FlowerShopContracts.BindingModels;
+using FlowerShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FlowerShopContracts.StoragesContracts
+{
+    public interface IShopStorage
+    {
+        List<ShopViewModel> GetFullList();
+        List<ShopViewModel> GetFilteredList(ShopSearchModel model);
+        ShopViewModel? GetElement(ShopSearchModel model);
+        ShopViewModel? Insert(ShopBindingModel model);
+        ShopViewModel? Update(ShopBindingModel model);
+        ShopViewModel? Delete(ShopBindingModel model);
+        bool SupplyFlowers(ShopSearchModel model, IFlowerModel flower, int Count);
+    }
+}

FlowerShopContracts/ViewModels/ShopViewModel.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using FlowerShopDataModels.Models;
+
+namespace FlowerShopContracts.ViewModels
+{
+    public class ShopViewModel : IShopModel
+    {
+        public int Id { get; set; }
+        [DisplayName("Название магазина")]
+        public string ShopName { get; set; }
+        [DisplayName("Адрес магазина")]
+        public string Address { get; set; }
+        [DisplayName("Дата открытия")]
+        public DateTime DateOpen { get; set; }
+        public Dictionary<int, (IFlowerModel, int)> ShopFlowers { get; set; } = new();
+    }
+}

FlowerShopDataModels/IShopModel.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FlowerShopDataModels.Models
+{
+    public interface IShopModel : IId
+    {
+        string ShopName { get; }
+        string Address { get; }
+        DateTime DateOpen { get; }
+        Dictionary<int, (IFlowerModel, int)> ShopFlowers { get; }
+    }
+}

FlowerShopListImplement/DataListSingleton.cs

@@ -13,11 +13,13 @@ namespace FlowerShopListImplement
         public List<Component> Components { get; set; }
         public List<Order> Orders { get; set; }
         public List<Flower> Flowers { get; set; }
+        public List<Shop> Shops { get; set; }
         private DataListSingleton()
         {
             Components = new List<Component>();
             Orders = new List<Order>();
             Flowers = new List<Flower>();
+            Shops = new List<Shop>();
         }
         public static DataListSingleton GetInstance()
         {

FlowerShopListImplement/Shop.cs

@@ -0,0 +1,55 @@
+using FlowerShopContracts.BindingModels;
+using FlowerShopContracts.ViewModels;
+using FlowerShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FlowerShopListImplement.Models
+{
+    public class Shop : IShopModel
+    {
+        public int Id { get; private set; }
+        public string ShopName { get; private set; }
+        public string Address { get; private set; }
+        public DateTime DateOpen { get; private set; }
+        public Dictionary<int, (IFlowerModel, int)> ShopFlowers { get; private set; } = new();
+
+        public static Shop? Create(ShopBindingModel model)
+        {
+            if (model == null)
+                return null;
+            return new Shop()
+            {
+                Id = model.Id,
+                ShopName = model.ShopName,
+                Address = model.Address,
+                DateOpen = model.DateOpen,
+                ShopFlowers = new()
+            };
+        }
+
+        public void Update(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ShopName = model.ShopName;
+            Address = model.Address;
+            DateOpen = model.DateOpen;
+            ShopFlowers = model.ShopFlowers;
+        }
+
+        public ShopViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ShopName = ShopName,
+            Address = Address,
+            DateOpen = DateOpen,
+            ShopFlowers = ShopFlowers
+        };
+    }
+}

FlowerShopListImplement/ShopStorage.cs

@@ -0,0 +1,140 @@
+using FlowerShopContracts.BindingModels;
+using FlowerShopContracts.SearchModels;
+using FlowerShopContracts.StoragesContracts;
+using FlowerShopContracts.ViewModels;
+using FlowerShopDataModels.Models;
+using FlowerShopListImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FlowerShopListImplement.Implements
+{
+    public class ShopStorage : IShopStorage
+    {
+        private readonly DataListSingleton _source;
+        public ShopStorage()
+        {
+            _source = DataListSingleton.GetInstance();
+        }
+        public List<ShopViewModel> GetFullList()
+        {
+            var result = new List<ShopViewModel>();
+            foreach (var shop in _source.Shops)
+            {
+                result.Add(shop.GetViewModel);
+            }
+            return result;
+        }
+        public List<ShopViewModel> GetFilteredList(ShopSearchModel
+       model)
+        {
+            var result = new List<ShopViewModel>();
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                return result;
+            }
+            foreach (var shop in _source.Shops)
+            {
+                if (shop.ShopName.Contains(model.Name))
+                {
+                    result.Add(shop.GetViewModel);
+                }
+            }
+            return result;
+        }
+        public ShopViewModel? GetElement(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            foreach (var shop in _source.Shops)
+            {
+                if ((!string.IsNullOrEmpty(model.Name) &&
+               shop.ShopName == model.Name) ||
+                (model.Id.HasValue && shop.Id == model.Id))
+                {
+                    return shop.GetViewModel;
+                }
+            }
+            return null;
+        }
+        public ShopViewModel? Insert(ShopBindingModel model)
+        {
+            model.Id = 1;
+            foreach (var shop in _source.Shops)
+            {
+                if (model.Id <= shop.Id)
+                {
+                    model.Id = shop.Id + 1;
+                }
+            }
+            var newShop = Shop.Create(model);
+            if (newShop == null)
+            {
+                return null;
+            }
+            _source.Shops.Add(newShop);
+            return newShop.GetViewModel;
+        }
+        public ShopViewModel? Update(ShopBindingModel model)
+        {
+            foreach (var shop in _source.Shops)
+            {
+                if (shop.Id == model.Id)
+                {
+                    shop.Update(model);
+                    return shop.GetViewModel;
+                }
+            }
+            return null;
+        }
+        public ShopViewModel? Delete(ShopBindingModel model)
+        {
+            for (int i = 0; i < _source.Shops.Count; ++i)
+            {
+                if (_source.Shops[i].Id == model.Id)
+                {
+                    var element = _source.Shops[i];
+                    _source.Shops.RemoveAt(i);
+                    return element.GetViewModel;
+                }
+            }
+            return null;
+        }
+
+        public bool SupplyFlowers(ShopSearchModel model, IFlowerModel flower, int count)
+        {
+            if (model == null)
+                throw new ArgumentNullException(nameof(model));
+            if (flower == null)
+                throw new ArgumentNullException(nameof(flower));
+            if (count <= 0)
+                throw new ArgumentNullException("Количество должно быть положительным числом");
+
+            ShopViewModel curModel = GetElement(model);
+            if (curModel == null)
+                throw new ArgumentNullException(nameof(curModel));
+            if (curModel.ShopFlowers.TryGetValue(flower.Id, out var pair))
+            {
+                curModel.ShopFlowers[flower.Id] = (pair.Item1, pair.Item2 + count);
+            }
+            else
+            {
+                curModel.ShopFlowers.Add(flower.Id, (flower, count));
+            }
+            Update(new()
+            {
+                Id = curModel.Id,
+                ShopName = curModel.ShopName,
+                DateOpen = curModel.DateOpen,
+                Address = curModel.Address,
+                ShopFlowers = curModel.ShopFlowers,
+            });
+            return true;
+        }
+    }
+}