Client logic + client storages were implemented.

DressAtelierBusinessLogic/BusinessLogic/ClientLogic.cs

@@ -0,0 +1,126 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.BusinessLogicContracts;
+using DressAtelierContracts.SearchModels;
+using DressAtelierContracts.StorageContracts;
+using DressAtelierContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierBusinessLogic.BusinessLogic
+{
+    public class ClientLogic : IClientLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IClientStorage _clientStorage;
+        public ClientLogic(ILogger<ClientLogic> logger, IClientStorage clientStorage)
+        {
+            _logger = logger;
+            _clientStorage = clientStorage;
+        }
+        public bool Create(ClientBindingModel model)
+        {
+            CheckUser(model);
+            if(_clientStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Update(ClientBindingModel model)
+        {
+            CheckUser(model);
+            if (_clientStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(ClientBindingModel model)
+        {
+            CheckUser(model,false);
+            _logger.LogInformation("Delete. ID:{ID}", model.ID);
+            if (_clientStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public ClientViewModel? ReadElement(ClientSearchModel model)
+        {
+            if(model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. UserName:{UserName}.ID:{ ID}", model.Email, model.ID);
+            var element = _clientStorage.GetElement(model);
+            if(element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. ID:{ID}", element.ID);
+            return element;
+        }
+
+        public List<ClientViewModel>? ReadList(ClientSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. UserName:{UserName}. ID:{ ID}", model?.Email, model?.ID);
+
+            var list = model == null ? _clientStorage.GetFullList() : _clientStorage.GetFilteredList(model);
+
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public void CheckUser(ClientBindingModel model,bool withParams = true)
+        {
+            if(model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if(!withParams)
+            {
+                return;
+            }
+            if(string.IsNullOrEmpty(model.FullName))
+            {
+                throw new ArgumentNullException("Invalid fullname of user", nameof(model.FullName));
+            }
+            if (string.IsNullOrEmpty(model.Email))
+            {
+                throw new ArgumentNullException("Invalid email of user", nameof(model.Email));
+            }
+            if (string.IsNullOrEmpty(model.Password))
+            {
+                throw new ArgumentNullException("Invalid password of user", nameof(model.Password));
+            }
+            _logger.LogInformation("Client. ClientName:{ FullName}. Email:{ Email}. ID: { ID} ", model.FullName, model.Email, model.ID);
+
+            var element = _clientStorage.GetElement(new ClientSearchModel
+            {
+                Email = model.Email
+            });
+
+            if(element != null && element.ID != model.ID)
+            {
+                throw new InvalidOperationException("User with such email already exists.");
+            }
+        }
+       
+    }
+}

DressAtelierContracts/BindingModels/ClientBindingModel.cs

@@ -0,0 +1,17 @@
+using DressAtelierDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.BindingModels
+{
+    public class ClientBindingModel : IClientModel
+    {
+        public int ID { get; set;}
+        public string FullName { get; set; } = string.Empty;
+        public string Email { get; set; } = string.Empty;
+        public string Password { get; set; } = string.Empty;
+    }
+}

DressAtelierContracts/BindingModels/OrderBindingModel.cs

@@ -13,6 +13,8 @@ namespace DressAtelierContracts.BindingModels
         public int ID { get; set; }
 
         public int DressID { get; set; }
+        public int ClientID { get; set; }
+        public string ClientFullName { get; set; } = string.Empty;  
 
         public int Count { get; set; }
 

DressAtelierContracts/BusinessLogicContracts/IClientLogic.cs

@@ -0,0 +1,20 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.SearchModels;
+using DressAtelierContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.BusinessLogicContracts
+{
+    public interface IClientLogic
+    {
+        List<ClientViewModel>? ReadList(ClientSearchModel? model);
+        ClientViewModel? ReadElement(ClientSearchModel model);
+        bool Create(ClientBindingModel model);
+        bool Update(ClientBindingModel model);
+        bool Delete(ClientBindingModel model);
+    }
+}

DressAtelierContracts/SearchModels/ClientSearchModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.SearchModels
+{
+    public class ClientSearchModel
+    {
+        public int? ID { get; set; }
+        public string? Email { get; set; }
+    }
+}

DressAtelierContracts/SearchModels/OrderSearchModel.cs

@@ -9,6 +9,7 @@ namespace DressAtelierContracts.SearchModels
     public class OrderSearchModel
     {
         public int? ID { get; set; }
+        public int? ClientID { get; set; }
         public DateTime? DateFrom { get; set; }
         public DateTime? DateTo { get; set; }
     }

DressAtelierContracts/StorageContracts/IClientStorage.cs

@@ -0,0 +1,21 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.SearchModels;
+using DressAtelierContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.StorageContracts
+{
+    public interface IClientStorage
+    {
+        List<ClientViewModel> GetFullList(); 
+        List<ClientViewModel> GetFilteredList(ClientSearchModel model); 
+        ClientViewModel? GetElement(ClientSearchModel model); 
+        ClientViewModel? Insert(ClientBindingModel model); 
+        ClientViewModel? Update(ClientBindingModel model); 
+        ClientViewModel? Delete(ClientBindingModel model);
+    }
+}

DressAtelierContracts/ViewModels/ClientViewModel.cs

@@ -0,0 +1,24 @@
+using DressAtelierDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierContracts.ViewModels
+{
+    public class ClientViewModel : IClientModel
+    {
+        public int ID { get; set; }
+        [DisplayName("Client's full name")]
+        public string FullName { get; set; } = string.Empty;
+
+        [DisplayName("Login")]
+        public string Email { get; set; } = string.Empty;
+
+        [DisplayName("Password")]
+        public string Password { get; set; } = string.Empty;
+
+    }
+}

DressAtelierContracts/ViewModels/OrderViewModel.cs

@@ -14,9 +14,12 @@ namespace DressAtelierContracts.ViewModels
         [DisplayName("ID")]
         public int ID { get; set; }
         public int DressID { get; set; }
+        public int ClientID { get; set; }
+        [DisplayName("Client's name")]
+        public string ClientFullName { get; set; } = string.Empty;
 
         [DisplayName("DressName")]
-        public string DressName { get; set; }
+        public string DressName { get; set; } = string.Empty;
 
         [DisplayName("Quantity")]
         public int Count { get; set; }

DressAtelierDataModels/Models/IClientModel.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierDataModels.Models
+{
+    public interface IClientModel : IID
+    {
+        string FullName { get; }  
+        string Email { get; }    
+        string Password { get; }
+    }
+}

DressAtelierDatabaseImplement/DressAtelierDatabase.cs

@@ -1,4 +1,5 @@
-using DressAtelierDatabaseImplementation.Models;
+using DressAtelierDatabaseImplement.Models;
+using DressAtelierDatabaseImplementation.Models;
 using Microsoft.EntityFrameworkCore;
 using System;
 using System.Collections.Generic;
@@ -23,5 +24,6 @@ namespace DressAtelierDatabaseImplementation
         public virtual DbSet<Dress> Dresses { set; get; }
         public virtual DbSet<DressMaterial> DressMaterials { set; get; }
         public virtual DbSet<Order> Orders { set; get; }
+        public virtual DbSet<Client> Clients { set; get; }
     }
 }

DressAtelierDatabaseImplement/Implements/ClientStorage.cs

@@ -0,0 +1,68 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.SearchModels;
+using DressAtelierContracts.StorageContracts;
+using DressAtelierContracts.ViewModels;
+using DressAtelierDatabaseImplement.Models;
+using DressAtelierDatabaseImplementation;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierDatabaseImplement.Implements
+{
+    public class ClientStorage : IClientStorage
+    {
+        public ClientViewModel? Insert(ClientBindingModel model)
+        {
+            using var context = new DressAtelierDatabase();
+            var newClient = Client.Create(model); 
+            if(newClient == null) { return null; }
+            context.Clients.Add(newClient);
+            context.SaveChanges();
+            return newClient.GetViewModel;
+        }
+
+        public ClientViewModel? Update(ClientBindingModel model)
+        {
+            using var context = new DressAtelierDatabase();
+            var client = context.Clients.FirstOrDefault(x => x.ID == model.ID);
+            if(client == null) { return null; };
+            client.Update(model);
+            context.SaveChanges();
+            return client.GetViewModel;
+        }
+
+        public ClientViewModel? Delete(ClientBindingModel model)
+        {
+            using var context = new DressAtelierDatabase();
+            var client = context.Clients.FirstOrDefault(x => x.ID == model.ID);
+            if(client == null) { return null;}
+            context.Clients.Remove(client);
+            context.SaveChanges();
+            return client.GetViewModel;
+        }
+
+        public ClientViewModel? GetElement(ClientSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Email) && !model.ID.HasValue) { return null; }
+            using var context = new DressAtelierDatabase();
+            return context.Clients.FirstOrDefault(x => (!(string.IsNullOrEmpty(model.Email)) && model.Email == x.Email) || (model.ID.HasValue && model.ID == x.ID))?.GetViewModel;
+        }
+
+        public List<ClientViewModel> GetFilteredList(ClientSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Email)) { return new(); }
+            using var context = new DressAtelierDatabase();
+            return context.Clients.Where(x => x.Email.Equals(model.Email)).Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<ClientViewModel> GetFullList()
+        {
+            using var context = new DressAtelierDatabase();
+            return context.Clients.Select(x => x.GetViewModel).ToList();
+        }
+        
+    }
+}

DressAtelierDatabaseImplement/Implements/OrderStorage.cs

@@ -18,15 +18,19 @@ namespace DressAtelierDatabaseImplementation.Implements
         public List<OrderViewModel> GetFullList()
         {
             using var context = new DressAtelierDatabase();
-            return context.Orders.Include(x => x.Dress).Select(x => x.GetViewModel).ToList(); 
+            return context.Orders.Include(x => x.Client).Include(x => x.Dress).Select(x => x.GetViewModel).ToList(); 
         }
         public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
         {
-            if (!model.ID.HasValue && !model.DateFrom.HasValue && !model.DateTo.HasValue)
+            if (!model.ID.HasValue && !model.DateFrom.HasValue && !model.DateTo.HasValue && !model.ClientID.HasValue)
             {
                 return new();
             }
             using var context = new DressAtelierDatabase();
+            if(model.ClientID.HasValue)
+            {
+                return context.Orders.Include(x => x.Client).Where(x => x.ClientID == model.ClientID).Select(x => x.GetViewModel).ToList();
+            }
             return context.Orders.Include(x => x.Dress).Where(x => x.DateCreate >= model.DateFrom && x.DateCreate <= model.DateTo).ToList().Select(x => x.GetViewModel).ToList();
         }
 

DressAtelierDatabaseImplement/Models/Client.cs

@@ -0,0 +1,61 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.ViewModels;
+using DressAtelierDatabaseImplementation.Models;
+using DressAtelierDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace DressAtelierDatabaseImplement.Models
+{
+    public class Client : IClientModel
+    {
+        public int ID { get; private set; }
+        [Required]
+        public string FullName { get; private set; } = string.Empty;
+        [Required]
+        public string Email { get; private set; } = string.Empty;
+        [Required]
+        public string Password { get; private set; } = string.Empty;
+
+        [ForeignKey("ClientID")]
+        public virtual List<Order> Orders { get; set; } = new();
+
+        public static Client? Create(ClientBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Client()
+            {
+                ID = model.ID,
+                FullName = model.FullName,
+                Email = model.Email,
+                Password = model.Password
+            };
+        }       
+
+        public void Update(ClientBindingModel? model)
+        {
+            if (model == null) { return; }
+            FullName = model.FullName;
+            Email = model.Email;
+            Password = model.Password;
+        }
+
+        public ClientViewModel GetViewModel => new()
+        {
+            ID = ID,
+            FullName = FullName,
+            Email = Email,
+            Password = Password
+        };
+ 
+    }
+}

DressAtelierDatabaseImplement/Models/Order.cs

@@ -1,5 +1,6 @@
 using DressAtelierContracts.BindingModels;
 using DressAtelierContracts.ViewModels;
+using DressAtelierDatabaseImplement.Models;
 using DressAtelierDataModels.Enums;
 using DressAtelierDataModels.Models;
 using System;
@@ -16,8 +17,11 @@ namespace DressAtelierDatabaseImplementation.Models
     public class Order : IOrderModel
     {
         public int ID { get; private set; }
+        [Required]
         public int DressID { get; private set; }
-        
+        [Required]
+        public int ClientID { get; private set; }     
+
         [Required]
         public int Count { get; private set; }
 
@@ -33,6 +37,7 @@ namespace DressAtelierDatabaseImplementation.Models
         public DateTime? DateImplement { get; private set; }
 
         public virtual Dress Dress { get; set; }
+        public virtual Client Client { get; set; }
 
         public static Order? Create(OrderBindingModel? model)
         {
@@ -44,6 +49,7 @@ namespace DressAtelierDatabaseImplementation.Models
             {
                 ID = model.ID,
                 DressID = model.DressID,
+                ClientID = model.ClientID,
                 Count = model.Count,
                 Sum = model.Sum,
                 Status = model.Status,
@@ -68,13 +74,14 @@ namespace DressAtelierDatabaseImplementation.Models
         {
             ID = ID,
             DressID = DressID,
+            ClientID = ClientID,
+            ClientFullName = Client.FullName,
             DressName = Dress.DressName,
             Count = Count,
             Sum = Sum,
             Status = Status,
             DateCreate = DateCreate,
             DateImplement = DateImplement
-            
         };
 
     }

DressAtelierFileImplement/DataFileSingleton.cs

@@ -15,9 +15,11 @@ namespace DressAtelierFileImplement
         private readonly string MaterialFileName = "Material.xml";
         private readonly string OrderFileName = "Order.xml";
         private readonly string DressFileName = "Dress.xml";
+        private readonly string ClientFileName = "Client.xml";
         public List<Material> Components { get; private set; }
         public List<Order> Orders { get; private set; }
         public List<Dress> Dresses { get; private set; }
+        public List<Client> Clients { get; private set; }
         public static DataFileSingleton GetInstance()
         {
             if (instance == null)
@@ -29,11 +31,13 @@ namespace DressAtelierFileImplement
         public void SaveComponents() => SaveData(Components, MaterialFileName,"Components", x => x.GetXElement);
         public void SaveDresses() => SaveData(Dresses, DressFileName,"Dresses", x => x.GetXElement);
         public void SaveOrders() => SaveData(Orders, OrderFileName,"Orders", x => x.GetXElement);
+        public void SaveClients() => SaveData(Clients, ClientFileName, "Clients", x => x.GetXElement);
         private DataFileSingleton()
         {
             Components = LoadData(MaterialFileName, "Component", x => Material.Create(x)!)!;
             Dresses = LoadData(DressFileName, "Dress", x => Dress.Create(x)!)!;
             Orders = LoadData(OrderFileName, "Order", x => Order.Create(x)!)!;
+            Clients = LoadData(ClientFileName, "Client", x => Client.Create(x)!)!;
         }
         private static List<T>? LoadData<T>(string filename, string xmlNodeName,
        Func<XElement, T> selectFunction)

DressAtelierFileImplement/Implements/ClientStorage.cs

@@ -0,0 +1,68 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.SearchModels;
+using DressAtelierContracts.StorageContracts;
+using DressAtelierContracts.ViewModels;
+using DressAtelierFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierFileImplement.Implements
+{
+    public class ClientStorage : IClientStorage
+    {
+        private readonly DataFileSingleton _source;
+
+        public ClientStorage()
+        {
+            _source = DataFileSingleton.GetInstance();
+        }
+        public ClientViewModel? Insert(ClientBindingModel model)
+        {
+            model.ID = _source.Clients.Count > 0 ? _source.Clients.Max(client => client.ID) + 1 : 1;
+            var newClient = Client.Create(model);
+            if(newClient == null) { return null; }
+            _source.Clients.Add(newClient);
+            _source.SaveClients();
+            return newClient.GetViewModel;
+        }
+
+        public ClientViewModel? Update(ClientBindingModel model)
+        {
+            var client = _source.Clients.FirstOrDefault(x => x.ID == model.ID);
+            if(client == null) { return null; };
+            client.Update(model);
+            _source.SaveClients();
+            return client.GetViewModel;
+        }
+        public ClientViewModel? Delete(ClientBindingModel model)
+        {
+            var client = _source.Clients.FirstOrDefault(client => client.ID == model.ID);
+            if(client == null) { return null; }
+            _source.Clients.Remove(client);
+            _source.SaveClients();
+            return client.GetViewModel;
+        }
+
+        public ClientViewModel? GetElement(ClientSearchModel model)
+        {
+            if(string.IsNullOrEmpty(model.Email) && !model.ID.HasValue) { return null; }
+
+            return _source.Clients.FirstOrDefault(x => (!(string.IsNullOrEmpty(model.Email)) && model.Email == x.Email) || (model.ID.HasValue && model.ID == x.ID))?.GetViewModel;
+        }
+
+        public List<ClientViewModel> GetFilteredList(ClientSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Email)) { return new(); }
+            return _source.Clients.Where(x => x.Email.Equals(model.Email)).Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<ClientViewModel> GetFullList()
+        {
+            return _source.Clients.Select(x => x.GetViewModel).ToList();
+        }
+ 
+    }
+}

DressAtelierFileImplement/Models/Client.cs

@@ -0,0 +1,73 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.ViewModels;
+using DressAtelierDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace DressAtelierFileImplement.Models
+{
+    public class Client : IClientModel
+    {
+        public int ID { get; set; }
+        public string FullName { get; set; } = string.Empty;
+
+        public string Email { get; set; } = string.Empty;
+
+        public string Password { get; set; } = string.Empty;
+
+        public static Client? Create(ClientBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Client()
+            {
+                ID = model.ID,
+                FullName = model.FullName,
+                Email = model.Email,
+                Password = model.Password
+            };
+        }
+
+        public static Client? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Client()
+            {
+                ID = Convert.ToInt32(element.Attribute("ID")!.Value),
+                FullName = element.Element("FullName")!.Value,
+                Email = element.Element("Email")!.Value,
+                Password = element.Element("Password")!.Value
+            };
+        }
+
+        public void Update(ClientBindingModel? model)
+        {
+            if (model == null) { return; }
+            FullName = model.FullName;
+            Email = model.Email;
+            Password = model.Password;
+        }
+
+        public ClientViewModel GetViewModel => new()
+        {
+            ID = ID,
+            FullName = FullName,
+            Email = Email,
+            Password = Password
+        };
+
+        public XElement GetXElement => new("Client", new XAttribute("ID", ID),
+                                                       new XElement("FullName", FullName),
+                                                       new XElement("Email", Email),
+                                                       new XElement("Password", Password));
+    }
+}

DressAtelierListImplement/DataListSingleton.cs

@@ -13,11 +13,13 @@ namespace DressAtelierListImplement
         public List<Material> Components { get; set; }
         public List<Order> Orders { get; set; }
         public List<Dress> Dresses { get; set; }
+        public List<Client> Clients { get; set; }
         private DataListSingleton()
         {
             Components = new List<Material>();
             Orders = new List<Order>();
             Dresses = new List<Dress>();
+            Clients = new List<Client>();
         }
         public static DataListSingleton GetInstance()
         {

DressAtelierListImplement/Implements/ClientStorage.cs

@@ -0,0 +1,113 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.SearchModels;
+using DressAtelierContracts.StorageContracts;
+using DressAtelierContracts.ViewModels;
+using DressAtelierListImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierListImplement.Implements
+{
+    public class ClientStorage : IClientStorage
+    {
+        private readonly DataListSingleton _source;
+
+        public ClientStorage()
+        {
+            _source = DataListSingleton.GetInstance();
+        }
+
+        public ClientViewModel? Insert(ClientBindingModel model)
+        {
+            model.ID = 1;
+            foreach(var client in _source.Clients)
+            {
+                if(model.ID <= client.ID)
+                { 
+                    model.ID = client.ID + 1; 
+                }
+            }
+            var newClient = Client.Create(model);
+            if(newClient == null) { return null; }
+            _source.Clients.Add(newClient);
+            return newClient.GetViewModel;
+        }
+
+        public ClientViewModel? Update(ClientBindingModel model)
+        {
+            foreach(var client in _source.Clients)
+            {
+                if(client.ID == model.ID)
+                {
+                    client.Update(model);
+                    return client.GetViewModel;
+                }
+            }
+            return null;
+        }
+
+        public ClientViewModel? Delete(ClientBindingModel model)
+        {
+            for(int i = 0 ; i< _source.Clients.Count;i++)
+            {
+                if(model.ID == _source.Clients[i].ID)
+                {
+                    var element = _source.Clients[i];
+                    _source.Clients.RemoveAt(i);
+                    return element.GetViewModel;
+                }
+            }
+            return null;
+        }
+
+        public ClientViewModel? GetElement(ClientSearchModel model)
+        {
+            if(string.IsNullOrEmpty(model.Email) && !model.ID.HasValue)
+            {
+                return null;
+            }
+
+            foreach(var client in _source.Clients)
+            {
+                if ((!string.IsNullOrEmpty(model.Email) && model.Email == client.Email) || (model.ID.HasValue && model.ID.Value == client.ID))
+                {
+                    return client.GetViewModel;
+                }
+            }
+            return null;
+        }
+
+        public List<ClientViewModel> GetFilteredList(ClientSearchModel model)
+        {
+            var result = new List<ClientViewModel>();
+            if (string.IsNullOrEmpty(model.Email))
+            {
+                return result;
+            }
+            foreach (var client in _source.Clients)
+            {
+                if (client.Email.Contains(model.Email))
+                {
+                    result.Add(client.GetViewModel);
+                }
+            }
+            return result;
+        }
+
+        public List<ClientViewModel> GetFullList()
+        {
+            var result = new List<ClientViewModel>();
+            foreach (var client in _source.Clients)
+            {
+               result.Add(client.GetViewModel);
+            }
+            return result;
+        }
+
+        
+    }
+}

DressAtelierListImplement/Models/Client.cs

@@ -0,0 +1,52 @@
+using DressAtelierContracts.BindingModels;
+using DressAtelierContracts.ViewModels;
+using DressAtelierDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DressAtelierListImplement.Models
+{
+    public class Client : IClientModel
+    {
+        public int ID { get; set; }
+        public string FullName { get; set; } = string.Empty;
+
+        public string Email { get; set; } = string.Empty;
+
+        public string Password { get; set; } = string.Empty;
+
+        public static Client? Create(ClientBindingModel? model)
+        {
+            if(model == null)
+            {
+                return null;
+            }
+            return new Client()
+            {
+                ID = model.ID,
+                FullName = model.FullName,
+                Email = model.Email,
+                Password = model.Password
+            };
+        }
+
+        public void Update(ClientBindingModel? model)
+        {
+            if(model == null) { return; }
+            FullName = model.FullName;
+            Email = model.Email;
+            Password = model.Password;
+        }
+
+        public ClientViewModel GetViewModel => new()
+        {
+            ID = ID,
+            FullName = FullName,
+            Email = Email,
+            Password = Password
+        };
+    }
+}

SewingDresses/FormMain.cs

@@ -45,6 +45,7 @@ namespace SewingDresses
                 {
                     dataGridView.DataSource = list;
                     dataGridView.Columns["DressID"].Visible = false;
+                    dataGridView.Columns["ClientID"].Visible = false;
                 }
             }
             catch (Exception ex)
@@ -94,12 +95,7 @@ namespace SewingDresses
                 {
                     var operationResult = _orderLogic.TakeOrderInWork(new OrderBindingModel
                     { 
-                        ID = id,
-                        DressID = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["DressID"].Value),
-                        Status = Enum.Parse<OrderStatus>(dataGridView.SelectedRows[0].Cells["Status"].Value.ToString()),
-                        Count = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Count"].Value),
-                        Sum = double.Parse(dataGridView.SelectedRows[0].Cells["Sum"].Value.ToString()),
-                        DateCreate = DateTime.Parse(dataGridView.SelectedRows[0].Cells["DateCreate"].Value.ToString()),
+                        ID = id,                        
                     });
 
                     if (!operationResult)
@@ -128,12 +124,7 @@ namespace SewingDresses
                 {
                     var operationResult = _orderLogic.ReadyOrder(new OrderBindingModel
                     {
-                        ID = id,
-                        DressID = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["DressID"].Value),
-                        Status = Enum.Parse<OrderStatus>(dataGridView.SelectedRows[0].Cells["Status"].Value.ToString()),
-                        Count = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Count"].Value),
-                        Sum = double.Parse(dataGridView.SelectedRows[0].Cells["Sum"].Value.ToString()),
-                        DateCreate = DateTime.Parse(dataGridView.SelectedRows[0].Cells["DateCreate"].Value.ToString()),
+                        ID = id,                      
                     });
 
                     if (!operationResult)
@@ -162,12 +153,7 @@ namespace SewingDresses
                 {
                     var operationResult = _orderLogic.GivenOrder(new OrderBindingModel
                     {
-                        ID = id,
-                        DressID = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["DressID"].Value),
-                        Status = Enum.Parse<OrderStatus>(dataGridView.SelectedRows[0].Cells["Status"].Value.ToString()),
-                        Count = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Count"].Value),
-                        Sum = double.Parse(dataGridView.SelectedRows[0].Cells["Sum"].Value.ToString()),
-                        DateCreate = DateTime.Parse(dataGridView.SelectedRows[0].Cells["DateCreate"].Value.ToString()), 
+                        ID = id,                       
                     });
                     if (!operationResult)
                     {

SewingDresses/FormOrderCreation.Designer.cs

@@ -28,111 +28,133 @@
         /// </summary>
         private void InitializeComponent()
         {
-            this.dressLabel = new System.Windows.Forms.Label();
-            this.quantityLabel = new System.Windows.Forms.Label();
-            this.priceLabel = new System.Windows.Forms.Label();
-            this.dressComboBox = new System.Windows.Forms.ComboBox();
-            this.quantityTextBox = new System.Windows.Forms.TextBox();
-            this.priceTextBox = new System.Windows.Forms.TextBox();
-            this.ButtonSave = new System.Windows.Forms.Button();
-            this.ButtonCancel = new System.Windows.Forms.Button();
-            this.SuspendLayout();
+            dressLabel = new Label();
+            quantityLabel = new Label();
+            priceLabel = new Label();
+            dressComboBox = new ComboBox();
+            quantityTextBox = new TextBox();
+            priceTextBox = new TextBox();
+            ButtonSave = new Button();
+            ButtonCancel = new Button();
+            labelClient = new Label();
+            comboBoxClients = new ComboBox();
+            SuspendLayout();
             // 
             // dressLabel
             // 
-            this.dressLabel.AutoSize = true;
-            this.dressLabel.Font = new System.Drawing.Font("Segoe UI", 14.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point);
-            this.dressLabel.Location = new System.Drawing.Point(12, 9);
-            this.dressLabel.Name = "dressLabel";
-            this.dressLabel.Size = new System.Drawing.Size(82, 25);
-            this.dressLabel.TabIndex = 0;
-            this.dressLabel.Text = "Product:";
+            dressLabel.AutoSize = true;
+            dressLabel.Font = new Font("Segoe UI", 14.25F, FontStyle.Regular, GraphicsUnit.Point);
+            dressLabel.Location = new Point(12, 9);
+            dressLabel.Name = "dressLabel";
+            dressLabel.Size = new Size(82, 25);
+            dressLabel.TabIndex = 0;
+            dressLabel.Text = "Product:";
             // 
             // quantityLabel
             // 
-            this.quantityLabel.AutoSize = true;
-            this.quantityLabel.Font = new System.Drawing.Font("Segoe UI", 14.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point);
-            this.quantityLabel.Location = new System.Drawing.Point(12, 50);
-            this.quantityLabel.Name = "quantityLabel";
-            this.quantityLabel.Size = new System.Drawing.Size(88, 25);
-            this.quantityLabel.TabIndex = 1;
-            this.quantityLabel.Text = "Quantity:";
+            quantityLabel.AutoSize = true;
+            quantityLabel.Font = new Font("Segoe UI", 14.25F, FontStyle.Regular, GraphicsUnit.Point);
+            quantityLabel.Location = new Point(12, 78);
+            quantityLabel.Name = "quantityLabel";
+            quantityLabel.Size = new Size(88, 25);
+            quantityLabel.TabIndex = 1;
+            quantityLabel.Text = "Quantity:";
             // 
             // priceLabel
             // 
-            this.priceLabel.AutoSize = true;
-            this.priceLabel.Font = new System.Drawing.Font("Segoe UI", 14.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point);
-            this.priceLabel.Location = new System.Drawing.Point(12, 90);
-            this.priceLabel.Name = "priceLabel";
-            this.priceLabel.Size = new System.Drawing.Size(56, 25);
-            this.priceLabel.TabIndex = 2;
-            this.priceLabel.Text = "Total:";
+            priceLabel.AutoSize = true;
+            priceLabel.Font = new Font("Segoe UI", 14.25F, FontStyle.Regular, GraphicsUnit.Point);
+            priceLabel.Location = new Point(12, 118);
+            priceLabel.Name = "priceLabel";
+            priceLabel.Size = new Size(56, 25);
+            priceLabel.TabIndex = 2;
+            priceLabel.Text = "Total:";
             // 
             // dressComboBox
             // 
-            this.dressComboBox.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
-            this.dressComboBox.FormattingEnabled = true;
-            this.dressComboBox.Location = new System.Drawing.Point(114, 12);
-            this.dressComboBox.Name = "dressComboBox";
-            this.dressComboBox.Size = new System.Drawing.Size(320, 23);
-            this.dressComboBox.TabIndex = 3;
-            this.dressComboBox.SelectedIndexChanged += new System.EventHandler(this.DressComboBox_SelectedIndexChanged);
+            dressComboBox.DropDownStyle = ComboBoxStyle.DropDownList;
+            dressComboBox.FormattingEnabled = true;
+            dressComboBox.Location = new Point(114, 12);
+            dressComboBox.Name = "dressComboBox";
+            dressComboBox.Size = new Size(320, 23);
+            dressComboBox.TabIndex = 3;
+            dressComboBox.SelectedIndexChanged += DressComboBox_SelectedIndexChanged;
             // 
             // quantityTextBox
             // 
-            this.quantityTextBox.Location = new System.Drawing.Point(114, 52);
-            this.quantityTextBox.Name = "quantityTextBox";
-            this.quantityTextBox.Size = new System.Drawing.Size(320, 23);
-            this.quantityTextBox.TabIndex = 4;
-            this.quantityTextBox.TextChanged += new System.EventHandler(this.QuantityTextBox_TextChanged);
+            quantityTextBox.Location = new Point(114, 80);
+            quantityTextBox.Name = "quantityTextBox";
+            quantityTextBox.Size = new Size(320, 23);
+            quantityTextBox.TabIndex = 4;
+            quantityTextBox.TextChanged += QuantityTextBox_TextChanged;
             // 
             // priceTextBox
             // 
-            this.priceTextBox.Location = new System.Drawing.Point(114, 90);
-            this.priceTextBox.Name = "priceTextBox";
-            this.priceTextBox.ReadOnly = true;
-            this.priceTextBox.Size = new System.Drawing.Size(320, 23);
-            this.priceTextBox.TabIndex = 5;
+            priceTextBox.Location = new Point(114, 118);
+            priceTextBox.Name = "priceTextBox";
+            priceTextBox.ReadOnly = true;
+            priceTextBox.Size = new Size(320, 23);
+            priceTextBox.TabIndex = 5;
             // 
             // ButtonSave
             // 
-            this.ButtonSave.Location = new System.Drawing.Point(220, 138);
-            this.ButtonSave.Name = "ButtonSave";
-            this.ButtonSave.Size = new System.Drawing.Size(100, 32);
-            this.ButtonSave.TabIndex = 6;
-            this.ButtonSave.Text = "Save";
-            this.ButtonSave.UseVisualStyleBackColor = true;
-            this.ButtonSave.Click += new System.EventHandler(this.ButtonSave_Click);
+            ButtonSave.Location = new Point(220, 166);
+            ButtonSave.Name = "ButtonSave";
+            ButtonSave.Size = new Size(100, 32);
+            ButtonSave.TabIndex = 6;
+            ButtonSave.Text = "Save";
+            ButtonSave.UseVisualStyleBackColor = true;
+            ButtonSave.Click += ButtonSave_Click;
             // 
             // ButtonCancel
             // 
-            this.ButtonCancel.Location = new System.Drawing.Point(334, 138);
-            this.ButtonCancel.Name = "ButtonCancel";
-            this.ButtonCancel.Size = new System.Drawing.Size(100, 32);
-            this.ButtonCancel.TabIndex = 7;
-            this.ButtonCancel.Text = "Cancel";
-            this.ButtonCancel.UseVisualStyleBackColor = true;
-            this.ButtonCancel.Click += new System.EventHandler(this.ButtonCancel_Click);
+            ButtonCancel.Location = new Point(334, 166);
+            ButtonCancel.Name = "ButtonCancel";
+            ButtonCancel.Size = new Size(100, 32);
+            ButtonCancel.TabIndex = 7;
+            ButtonCancel.Text = "Cancel";
+            ButtonCancel.UseVisualStyleBackColor = true;
+            ButtonCancel.Click += ButtonCancel_Click;
+            // 
+            // labelClient
+            // 
+            labelClient.AutoSize = true;
+            labelClient.Font = new Font("Segoe UI", 14.25F, FontStyle.Regular, GraphicsUnit.Point);
+            labelClient.Location = new Point(12, 43);
+            labelClient.Name = "labelClient";
+            labelClient.Size = new Size(65, 25);
+            labelClient.TabIndex = 8;
+            labelClient.Text = "Client:";
+            // 
+            // comboBoxClients
+            // 
+            comboBoxClients.DropDownStyle = ComboBoxStyle.DropDownList;
+            comboBoxClients.FormattingEnabled = true;
+            comboBoxClients.Location = new Point(114, 43);
+            comboBoxClients.Name = "comboBoxClients";
+            comboBoxClients.Size = new Size(320, 23);
+            comboBoxClients.TabIndex = 9;
             // 
             // FormOrderCreation
             // 
-            this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
-            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-            this.ClientSize = new System.Drawing.Size(446, 181);
-            this.Controls.Add(this.ButtonCancel);
-            this.Controls.Add(this.ButtonSave);
-            this.Controls.Add(this.priceTextBox);
-            this.Controls.Add(this.quantityTextBox);
-            this.Controls.Add(this.dressComboBox);
-            this.Controls.Add(this.priceLabel);
-            this.Controls.Add(this.quantityLabel);
-            this.Controls.Add(this.dressLabel);
-            this.Name = "FormOrderCreation";
-            this.Text = "FormOrderCreation";
-            this.Load += new System.EventHandler(this.FormOrderCreation_Load);
-            this.ResumeLayout(false);
-            this.PerformLayout();
-
+            AutoScaleDimensions = new SizeF(7F, 15F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(446, 224);
+            Controls.Add(comboBoxClients);
+            Controls.Add(labelClient);
+            Controls.Add(ButtonCancel);
+            Controls.Add(ButtonSave);
+            Controls.Add(priceTextBox);
+            Controls.Add(quantityTextBox);
+            Controls.Add(dressComboBox);
+            Controls.Add(priceLabel);
+            Controls.Add(quantityLabel);
+            Controls.Add(dressLabel);
+            Name = "FormOrderCreation";
+            Text = "FormOrderCreation";
+            Load += FormOrderCreation_Load;
+            ResumeLayout(false);
+            PerformLayout();
         }
 
         #endregion
@@ -145,5 +167,7 @@
         private TextBox priceTextBox;
         private Button ButtonSave;
         private Button ButtonCancel;
+        private Label labelClient;
+        private ComboBox comboBoxClients;
     }
 }

SewingDresses/FormOrderCreation.cs

@@ -19,14 +19,16 @@ namespace SewingDresses
         private readonly ILogger _logger;
 
         private readonly IDressLogic _logicDress;
+        private readonly IClientLogic _logicClient;
 
         private readonly IOrderLogic _logicOrder;
-        public FormOrderCreation(ILogger<FormOrderCreation> logger, IDressLogic logicP, IOrderLogic logicO)
+        public FormOrderCreation(ILogger<FormOrderCreation> logger, IDressLogic logicP, IOrderLogic logicO, IClientLogic logicC)
         {
             InitializeComponent();
             _logger = logger;
             _logicDress = logicP;
             _logicOrder = logicO;
+            _logicClient = logicC;
         }
 
         private void FormOrderCreation_Load(object sender, EventArgs e)
@@ -48,6 +50,24 @@ namespace SewingDresses
                 _logger.LogError(ex, "Downloading dresses for order error");
                 MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
             }
+
+            _logger.LogInformation("Downloading clients for order");
+            try
+            {
+                var _list = _logicClient.ReadList(null);
+                if (_list != null)
+                {
+                    comboBoxClients.DisplayMember = "FullName";
+                    comboBoxClients.ValueMember = "ID";
+                    comboBoxClients.DataSource = _list;
+                    comboBoxClients.SelectedItem = null;
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Downloading clients for order error");
+                MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
         }
 
         private void CalcSum()
@@ -69,7 +89,7 @@ namespace SewingDresses
                 catch (Exception ex)
                 {
                     _logger.LogError(ex, "Calculation total of order error");
-                    MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK,MessageBoxIcon.Error);
+                    MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                 }
             }
         }
@@ -86,7 +106,7 @@ namespace SewingDresses
         {
             if (string.IsNullOrEmpty(quantityTextBox.Text))
             {
-                MessageBox.Show("Fill quantity field", "Error",MessageBoxButtons.OK, MessageBoxIcon.Error);
+                MessageBox.Show("Fill quantity field", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                 return;
             }
             if (dressComboBox.SelectedValue == null)
@@ -95,12 +115,20 @@ namespace SewingDresses
                MessageBoxButtons.OK, MessageBoxIcon.Error);
                 return;
             }
+            if (comboBoxClients.SelectedValue == null)
+            {
+                MessageBox.Show("Choose client", "Error",
+               MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+
             _logger.LogInformation("Creation of order");
             try
             {
                 var operationResult = _logicOrder.CreateOrder(new OrderBindingModel
                 {
                     DressID = Convert.ToInt32(dressComboBox.SelectedValue),
+                    ClientID = Convert.ToInt32(comboBoxClients.SelectedValue),
                     Count = Convert.ToInt32(quantityTextBox.Text),
                     Sum = Convert.ToDouble(priceTextBox.Text)
                 });