added a notes file for important running stuff

Create working for tenant and added in efcore and data layer

Emergence.api/Controllers/TenantController.cs

@@ -1,7 +1,8 @@
-using Microsoft.AspNetCore.Mvc;
+using Emergence.api.Models;
 using Emergence.models;
 using Emergence.services.Interface;
 using Microsoft.AspNetCore.Http.HttpResults;
+using Microsoft.AspNetCore.Mvc;
 using System.Text.Json.Serialization;
 
 namespace Emergence.api.Controllers;
@@ -17,7 +18,7 @@ public class TenantController : ControllerBase
     }
 
     [HttpGet(Name = "GetTenants")]
-    public async Task<Results<Ok<IEnumerable<TenantModel>>, NotFound>> Get()
+    public async Task<Results<Ok<IEnumerable<TenantModel>>, NotFound>> GetTenants()
     {
         var tenants = await _tenantService.GetAllAsync();
         if (tenants is null)
@@ -26,4 +27,32 @@ public class TenantController : ControllerBase
         }
         return TypedResults.Ok(tenants);
     }
+
+    [HttpGet("{id}", Name = "GetTenantById")]
+    public async Task<Results<Ok<TenantModel>, NotFound, BadRequest>> GetTenantById(Guid id)
+    {
+        var tenant = await _tenantService.GetByIdAsync(id);
+        if (tenant is null)
+        {
+            return TypedResults.NotFound();
+        }
+        return TypedResults.Ok(tenant);
+    }
+
+    [HttpPost(Name = "CreateTenant")]
+    public async Task<Results<Created<TenantModel>, Conflict<ErrorDetailResults>, BadRequest<ValidationProblemResult>, UnprocessableEntity<ErrorDetailResults>>> Create(TenantModel tenant)
+    {
+        if (tenant == null || !ModelState.IsValid)
+            return TypedResults.BadRequest<ValidationProblemResult>(new ValidationProblemResult(ModelState));
+
+        if (tenant.Id.HasValue && tenant.Id.Value != Guid.Empty && _tenantService.GetByIdAsync(tenant.Id.Value).Result != null)
+            return TypedResults.Conflict(new ErrorDetailResults($"Tenant already exists", $"Tenant with the id: {tenant.Id} already exists"));
+
+        var newTenant = await _tenantService.CreateAsync(tenant);
+        if (newTenant is null)
+        {
+            return TypedResults.UnprocessableEntity(new ErrorDetailResults($"Tenant failed to create", $"The new tenant failed to create. Please try again."));
+        }
+        return TypedResults.Created($"/tenant/{newTenant.Id}", newTenant);
+    }
 }