added a notes file for important running stuff

Create working for tenant and added in efcore and data layer

Emergence.services/Services/TenantService.cs

@@ -1,29 +1,73 @@
-using Emergence.models;
+using Emergence.data.Contexts;
+using Emergence.data.Models;
+using Emergence.models;
 using Emergence.services.Interface;
 using System;
 using System.Collections.Generic;
+using System.Data.Common;
 using System.Text;
 
 namespace Emergence.services.Services;
 
+public static class TenantExtension
+{
+    public static TenantModel ConvertToTenantModel(this Tenant tenant)
+    {
+        TenantModel model = new TenantModel
+        {
+            Id = tenant.Id,
+            TenantCode = tenant.TenantCode,
+            CompanyName = tenant.CompanyName,
+            IsInactive = tenant.IsInactive,
+        };
+        return model;
+    }
+    public static Tenant ConvertToTenant(this TenantModel tenant)
+    {
+        Tenant model = new Tenant
+        {
+            Id = tenant.Id.HasValue ? tenant.Id.Value : Guid.NewGuid(),
+            TenantCode = tenant.TenantCode,
+            CompanyName = tenant.CompanyName,
+            IsInactive = tenant.IsInactive,
+        };
+        return model;
+    }
+}
 public class TenantService : ITenantService
 {
-    private List<TenantModel> testList = [
-        new TenantModel {Id = Guid.NewGuid(), TenantCode = "FJP", CompanyName = "Fred J Potter", IsInactive = false },
-        new TenantModel {Id = Guid.NewGuid(), TenantCode = "JAZZ", CompanyName = "Jazzbond", IsInactive = false },
-        new TenantModel {Id = Guid.NewGuid(), TenantCode = "TDT", CompanyName = "The Digital Tailor", IsInactive = false },
-        new TenantModel {Id = Guid.NewGuid(), TenantCode = "HBAS", CompanyName = "Hicks Building and Asbestos Services", IsInactive = false },
-        ];
+    private readonly AdminDbContext _dbContext;
+    public TenantService(AdminDbContext dbContext)
+    {
+        _dbContext = dbContext;
+    }
 
     public async Task<IEnumerable<TenantModel>> GetAllAsync()
     {
-        return testList;
+        return _dbContext.Tenant.Select(s => s.ConvertToTenantModel());
     }
 
     public async Task<TenantModel> GetByIdAsync(Guid id)
     {
-#pragma warning disable CS8603 // Possible null reference return.
-        return testList.FirstOrDefault(f => f.Id == id);
-#pragma warning restore CS8603 // Possible null reference return.
+        var entity = _dbContext.Tenant.Where(f => f.Id == id)?.Select(s => s.ConvertToTenantModel()).FirstOrDefault();
+        return entity;
+    }
+
+    public async Task<TenantModel> CreateAsync(TenantModel model)
+    {
+        if (model.Id == Guid.Empty || model.Id == null)
+            model.Id = Guid.NewGuid();
+
+        Tenant newTenant = model.ConvertToTenant();
+        try
+        {
+            _dbContext.Tenant.Add(newTenant);
+            await _dbContext.SaveChangesAsync();
+            return model;
+        }
+        catch (DbException ex)
+        {
+            return null;
+        }
     }
 }