Guarantor: ViewModels / Database storages fixes +ReportLogic and following implementation were created.

ComputerStoreBusinessLogic/BusinessLogic/ReportLogic.cs

@@ -0,0 +1,78 @@
+using ComputerStoreContracts.BindingModels;
+using ComputerStoreContracts.BusinessLogicContracts;
+using ComputerStoreContracts.StorageContracts;
+using ComputerStoreContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerStoreBusinessLogic.BusinessLogic
+{
+    public class ReportLogic : IReportLogic
+    {
+        private readonly IPCStorage _pcStorage;
+        private readonly IProductStorage _productStorage;
+
+        public ReportLogic(IPCStorage pcStorage, IProductStorage productStorage)
+        {
+            _pcStorage = pcStorage;
+            _productStorage = productStorage;
+        }
+
+        public List<ReportRequestComponentViewModel> GetPCs()
+        {
+            var pcs = _pcStorage.GetFullList();
+            var list = new List<ReportRequestComponentViewModel>();
+            foreach (var pc in pcs)
+            {
+                var record = new ReportRequestComponentViewModel
+                {
+                    PCName = pc.Name,
+                    Components = new List<(string Component, int count)>(),
+                    TotalAmount = 0
+                };
+                foreach (var component in pc.PCComponents)
+                {
+                    record.Components.Add(new(component.Value.Item1.Name, component.Value.Item2));
+                    record.TotalAmount += component.Value.Item2;
+                }
+                list.Add(record);
+            }
+            return list;
+        }
+
+        public List<ReportConsignmentComponentViewModel> GetProducts()
+        {
+            var products = _productStorage.GetFullList();
+            var list = new List<ReportConsignmentComponentViewModel>();
+            foreach (var product in products)
+            {
+                var record = new ReportConsignmentComponentViewModel
+                {
+                    ProductName = product.Name,
+                    Components = new List<(string Component, int count)>(),
+                    TotalAmount = 0
+                };
+                foreach (var component in product.ProductComponents)
+                {
+                    record.Components.Add(new(component.Value.Item1.Name, component.Value.Item2));
+                    record.TotalAmount += component.Value.Item2;
+                }
+                list.Add(record);
+            }
+            return list;
+        }
+
+        public void SaveProductsToExcelFile(ReportBindingModel model)
+        {
+            //will be implemented in the future!
+        }
+
+        public void SavePCsToExcelFile(ReportBindingModel model)
+        {
+            //will be implemented in the future!
+        }
+    }
+}

ComputerStoreContracts/BindingModels/ReportBindingModel.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerStoreContracts.BindingModels
+{
+    public class ReportBindingModel
+    {
+        public string FileName { get; set; } = string.Empty;
+        public DateTime? DateFrom { get; set; }
+        public DateTime? DateTo { get; set;}
+    }
+}

ComputerStoreContracts/BusinessLogicContracts/IReportLogic.cs

@@ -0,0 +1,19 @@
+using ComputerStoreContracts.BindingModels;
+using ComputerStoreContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerStoreContracts.BusinessLogicContracts
+{
+    public interface IReportLogic
+    {
+        List<ReportConsignmentComponentViewModel> GetProducts();
+        List<ReportRequestComponentViewModel> GetPCs();
+
+        void SaveProductsToExcelFile(ReportBindingModel model);
+        void SavePCsToExcelFile(ReportBindingModel model);
+    }
+}

ComputerStoreContracts/SearchModels/PCSearchModel.cs

@@ -11,5 +11,6 @@ namespace ComputerStoreContracts.SearchModels
         public int? ID { get; set; }
         public string? Name { get; set; }
         public int? RequestID { get; set; }
+        public int? EmployeeID { get; set; }   
     }
 }

ComputerStoreContracts/SearchModels/ProductSearchModel.cs

@@ -11,5 +11,6 @@ namespace ComputerStoreContracts.SearchModels
         public int? ID { get; set; }
         public string? Name { get; set; }
         public int? ConsignmentID { get; set; }
+        public int? EmployeeID { get; set; }
     }
 }

ComputerStoreContracts/ViewModels/ReportConsignmentComponentViewModel.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerStoreContracts.ViewModels
+{
+    public class ReportConsignmentComponentViewModel
+    {
+        public string ProductName { get; set; } = string.Empty;
+        public int TotalAmount { get; set; }
+        public List<(string Component, int count)> Components { get; set; } = new List<(string Component, int count)>();
+    }
+}

ComputerStoreContracts/ViewModels/ReportRequestComponentViewModel.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerStoreContracts.ViewModels
+{
+    public class ReportRequestComponentViewModel
+    {
+        public string PCName { get; set; } = string.Empty;
+        public int TotalAmount { get; set; }
+        public List<(string Component, int count)> Components { get; set; } = new List<(string Component, int count)> ();
+    }
+}

ComputerStoreDataModels/Models/IPCModel.cs

@@ -8,8 +8,8 @@ namespace ComputerStoreDataModels.Models
 {
     public interface IPCModel : IID
     {
-        string Name { get; }
+        public string Name { get; }
-        double Price { get; }
+        public double Price { get; }
         public int EmployeeID { get; }
         public int RequestID { get; }
         Dictionary<int,(IComponentModel,int)> PCComponents { get; }

ComputerStoreDatabaseImplement/ComputerStoreDatabase.cs

@@ -14,7 +14,7 @@ namespace ComputerStoreDatabaseImplement
         {
             if (optionsBuilder.IsConfigured == false)
             {
-                optionsBuilder.UseSqlServer(@"Server=localhost\SQLEXPRESS;Initial Catalog=DressAtelierDatabase;Integrated Security=True;MultipleActiveResultSets=True;;TrustServerCertificate=True");
+                optionsBuilder.UseSqlServer(@"Server=localhost\SQLEXPRESS;Initial Catalog=ComputerStoreDatabase;Integrated Security=True;MultipleActiveResultSets=True;;TrustServerCertificate=True");
             }
             base.OnConfiguring(optionsBuilder);
         }

ComputerStoreDatabaseImplement/Implements/PCStorage.cs

@@ -20,17 +20,21 @@ namespace ComputerStoreDatabaseImplement.Implements
             if (string.IsNullOrEmpty(model.Name) && !model.ID.HasValue) { return null; }
             
             using var context = new ComputerStoreDatabase();
-            return context.PCs.Include(x => x.Components).ThenInclude(x => x.Component).FirstOrDefault(x => (!string.IsNullOrEmpty(model.Name) && model.Name.Equals(x.Name)) || (model.ID.HasValue && model.ID == x.ID))?.GetViewModel;
+            return context.PCs.Include(x => x.Employee).Include(x => x.Components).ThenInclude(x => x.Component).FirstOrDefault(x => (!string.IsNullOrEmpty(model.Name) && model.Name.Equals(x.Name)) || (model.ID.HasValue && model.ID == x.ID))?.GetViewModel;
 
         }
 
         public List<PCViewModel> GetFilteredList(PCSearchModel model)
         {
-            if (string.IsNullOrEmpty(model.Name))
+            if (string.IsNullOrEmpty(model.Name) && !model.EmployeeID.HasValue)
             {
                 return new();
             }
             using var context = new ComputerStoreDatabase();
+            if(model.EmployeeID.HasValue)
+            {
+                return context.PCs.Include(x => x.Employee).Where(x => x.EmployeeID == model.EmployeeID).Select(x => x.GetViewModel).ToList();
+            }
             return context.PCs.Include(x => x.Components).ThenInclude(x => x.Component).Where(x => x.ID == model.ID).ToList().Select(x => x.GetViewModel).ToList();
         }
 

ComputerStoreDatabaseImplement/Implements/ProductStorage.cs

@@ -20,18 +20,22 @@ namespace ComputerStoreDatabaseImplement.Implements
             if(string.IsNullOrEmpty(model.Name) && !model.ID.HasValue) { return null; }
             using var context = new ComputerStoreDatabase();
 
-            return context.Products.Include(x => x.Components).ThenInclude(x => x.Component).FirstOrDefault(x => (!string.IsNullOrEmpty(model.Name) && model.Name.Equals(x.Name)) || (model.ID.HasValue && model.ID == x.ID))?.GetViewModel;
+            return context.Products.Include(x => x.Employee).Include(x => x.Components).ThenInclude(x => x.Component).FirstOrDefault(x => (!string.IsNullOrEmpty(model.Name) && model.Name.Equals(x.Name)) || (model.ID.HasValue && model.ID == x.ID))?.GetViewModel;
         }
 
         public List<ProductViewModel> GetFilteredList(ProductSearchModel model)
         {
-            if(string.IsNullOrEmpty(model.Name))
+            if(string.IsNullOrEmpty(model.Name) && !model.EmployeeID.HasValue)
             {
                 return new();
             }
 
             using var context = new ComputerStoreDatabase();
-            return context.Products.Include(x => x.Components).ThenInclude(x => x.Component).Where(x => x.ID ==model.ID).Select(x => x.GetViewModel).ToList();
+            if(model.EmployeeID.HasValue)
+            {
+                return context.Products.Include(x => x.Employee).Where(x => x.EmployeeID == model.EmployeeID).Select(x => x.GetViewModel).ToList();
+            }
+            return context.Products.Include(x => x.Components).ThenInclude(x => x.Component).Where(x => x.ID ==model.ID).ToList().Select(x => x.GetViewModel).ToList();
         }
 
         public List<ProductViewModel> GetFullList()