...

Back/Controllers/InvoiceItemController.cs

@@ -8,6 +8,7 @@ using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using Shared.DTOs;
 using System.Net;
+using System.Runtime.ConstrainedExecution;
 
 namespace Back.Controllers
 {
@@ -157,5 +158,6 @@ namespace Back.Controllers
 
         }
       
+
     }
 }

Back/Services/servInvoiceItem.cs

@@ -1,6 +1,8 @@
 using Back.Data.Contracts;
 using Back.Data.Models;
 using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Hosting;
+using Shared.DTOs;
 
 namespace Back.Services
 {
@@ -38,5 +40,6 @@ namespace Back.Services
         {
             return await _invoiceitemRepo.Get(w => w.InvoiceID == invoiceID && w.ID == invoiceitemID && w.invoice.CompanyID == companyID).FirstOrDefaultAsync();
         }
+  
     }
 }

Back/Services/servUser.cs

@@ -5,6 +5,7 @@ using Back.Data.Models;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.IdentityModel.Tokens;
 using Shared.DTOs;
+using System.ComponentModel.Design;
 using System.Data.SqlTypes;
 using System.IdentityModel.Tokens.Jwt;
 using System.Reflection;
@@ -21,7 +22,7 @@ namespace Back.Services
         private readonly IAsyncRepository<User> _RepoUser;
         private readonly RepositoryBase<Company> _RepoCompany;
         private readonly IAsyncRepository<PermissionPeriod> _RepoPermissionPeriod;
-
+        private readonly IAsyncRepository<InvoiceItem> _invoiceitemRepo;
         private readonly IAsyncRepository<Customer> _RepoCus;
         private readonly IAsyncRepository<Invoice> _RepoInvoice;
         private readonly IAsyncRepository<CODItem> _RepoCODItem;
@@ -30,8 +31,10 @@ namespace Back.Services
             , IAsyncRepository<User> RepoUser
             , IAsyncRepository<PermissionPeriod> RepoPermissionPeriod
             , RepositoryBase<Company> repoCompany, IAsyncRepository<Customer> RepoCus
-            , IAsyncRepository<Invoice> RepoInvoice, IAsyncRepository<CODItem> RepoCODItem)
+            , IAsyncRepository<Invoice> RepoInvoice, IAsyncRepository<CODItem> RepoCODItem
+            , IAsyncRepository<InvoiceItem> invoiceitemRepo)
         {
+            _invoiceitemRepo = invoiceitemRepo;
             _RepoCus = RepoCus;
             _RepoInvoice = RepoInvoice;
             _RepoCODItem = RepoCODItem;
@@ -291,6 +294,19 @@ namespace Back.Services
             if (lastcus != null)
                 request.lastActivitiesSevices.Add(lastcus);
             #endregion
+
+            request.MostInvoicedProduct = await _invoiceitemRepo.Get(w => w.invoice.CompanyID == user.RolUsers.First().CompanyID
+            && (w.invoice.invoiceType==InvoiceType.Sale || w.invoice.invoiceType == InvoiceType.BackFrmSale
+            || w.invoice.invoiceType == InvoiceType.Repair) && !w.invoice.BillReference.HasValue)
+                .Include(inc=>inc.cODItem)
+                      .GroupBy(g => g.CODID)
+                  .Select(s => new IdNameByCount<int>{
+                     ID= s.Key,
+                     Title=s.Select(s=>s.sstt).First(),
+                    count  =Convert.ToInt32(s.Sum(s => s.am))
+                  }).OrderByDescending(o => o.count)
+           .ToListAsync();
+
             return request;
         }
         public async Task<User> UpdateUser(User user)

Shared/DTOs/DashBoardDTO.cs

@@ -17,6 +17,7 @@ namespace Shared.DTOs
         public List<AlertDTO> Warning { get; set; } = new List<AlertDTO>();
         public List<AlertDTO> Notifications { get; set; } = new List<AlertDTO>();
         public List<LastActivitySevice> lastActivitiesSevices { get; set; }=new List<LastActivitySevice>();
+        public List<IdNameByCount<int>>? MostInvoicedProduct { get; set; }=new List<IdNameByCount<int>>();
     }
     public class ServiceInDashBoardDTO
     {

Shared/DTOs/IdName.cs

@@ -15,4 +15,8 @@ namespace Shared.DTOs
     {
         public int Tax { get; set; }
     }
+    public class IdNameByCount<T> : IdName<T>
+    {
+        public int count { get; set; }
+    }
 }

TaxPayerFull/Layout/MostInvoicedProduct.razor

@@ -0,0 +1,6 @@
+@using Shared.DTOs
+<h3>MostInvoicedProduct</h3>
+
+@code {
+    [Parameter] public List<IdNameByCount<int>>? model { get; set; }
+}