Improvement in source code to scale when adding more user.

APIwebASPNETCore6JWT/APIwebASPNETCore6JWT.csproj

@@ -24,7 +24,6 @@
     <None Remove="Authorization\" />
   </ItemGroup>
   <ItemGroup>
-    <Folder Include="Identity\" />
     <Folder Include="Authorization\" />
   </ItemGroup>
 </Project>

APIwebASPNETCore6JWT/Identity/AppIdentityDbContextSeed.cs

@@ -1,9 +1,12 @@
 using Microsoft.AspNetCore.Identity;
+using System;
 
 namespace APIwebASPNETCore6JWT.Identity;
 
 public static class AppIdentityDbContextSeed
 {
+    #region Public Methods
+
     public static async Task SeedAsync(WebApplication app)
     {
         using var scope = app.Services.CreateScope();
@@ -13,23 +16,105 @@ public static async Task SeedAsync(WebApplication app)
             var userManager = scopedProvider.GetRequiredService<UserManager<ApplicationUser>>();
             var roleManager = scopedProvider.GetRequiredService<RoleManager<IdentityRole>>();
 
-            await roleManager.CreateAsync(new IdentityRole("Administrator"));
+            var roles = GetListOfRolesToSeed();
+            var users = GetListOfUsersToSeed();
+
+            // 1. ASP.NET Core Identity: Add roles.
+            foreach (var role in roles)
+            {
+                // Asp Net Identity: Create roles to assign user after.
+                var createdRole = await roleManager.CreateAsync(new IdentityRole(role.RoleName));
+
+                if (!createdRole.Succeeded)
+                {
+                    throw new Exception($"role {role.RoleName} not created.");
+                }
+            }
+
+            // 2. ASP.NET Core Identity: Add users and assigning roles.
+            foreach (var user in users)
+            {
+                var applicationUser = new ApplicationUser()
+                {
+                    UserName = user.UserName,
+                    Email = user.Email,
+                    PhoneNumber = user.PhoneNumber,
+                };
+
+                // ASP.NET Core Identity: Create user.
+                var createUserTaskResult = await userManager.CreateAsync(applicationUser, user.Password);
+
+                if (!createUserTaskResult.Succeeded)
+                {
+                    throw new Exception($"User {applicationUser.UserName} not created.");
+                }
+
+                // ASP.NET Core Identity: Finding user to assign role.
+                var foundUser = await userManager.FindByNameAsync(user.UserName);
 
-            var defaultUser = new ApplicationUser { UserName = "[email protected]", Email = "[email protected]" };
-            await userManager.CreateAsync(defaultUser, "[email protected]");
+                if (foundUser == null)
+                {
+                    throw new Exception($"User not created.");
+                }
 
-            string adminUserName = "[email protected]";
-            var adminUser = new ApplicationUser { UserName = adminUserName, Email = adminUserName };
-            await userManager.CreateAsync(adminUser, "[email protected]");
+                // ASP.NET Core Identity: Assigning role to user.
+                var rolledUser = await userManager.AddToRoleAsync(applicationUser, user.Role);
 
-            adminUser = await userManager.FindByNameAsync(adminUserName);
-            await userManager.AddToRoleAsync(adminUser, "Administrator");
+                if (!rolledUser.Succeeded)
+                {
+                    throw new Exception($"{user.UserName} is not enrolled.");
+                }
+            }
         }
         catch (Exception ex)
         {
-            app.Logger.LogError(ex, "An error occurred seeding the DB.");
+            app.Logger.LogError($"An error occurred seeding the DB: {exception.Message}");
         }
     }
 
-}
+    #endregion
+
+    #region Private Methods
+
+    private static IList<UserToSeed> GetListOfUsersToSeed()
+    {
+        return new List<UserToSeed>()
+            {
+                new UserToSeed()
+                {
+                    UserName = "javi.karra",
+                    Password = "[email protected]@javi",
+                    Email = "[email protected]",
+                    PhoneNumber = "1234567890",
+                    Role = RoleDefinition.USER_ROLE,
+                },
+                new UserToSeed()
+                {
+                    UserName = "lucas.perez",
+                    Password = "[email protected]@lucas",
+                    Email = "[email protected]",
+                    PhoneNumber = "6234567890",
+                    Role = RoleDefinition.USER_ROLE,
+                },
+                new UserToSeed()
+                {
+                    UserName = "admin",
+                    Password = "[email protected]@admin",
+                    Email = "[email protected]",
+                    PhoneNumber = "623455699",
+                    Role = RoleDefinition.ADMINISTRATOR_ROLE,
+                }
+            };
+    }
+
+    private static IList<RolesToSeed> GetListOfRolesToSeed()
+    {
+        return new List<RolesToSeed>()
+            {
+                new RolesToSeed() { RoleName = RoleDefinition.ADMINISTRATOR_ROLE },
+                new RolesToSeed() { RoleName = RoleDefinition.USER_ROLE }
+            };
+    }
 
+    #endregion
+}

APIwebASPNETCore6JWT/Identity/RoleDefinition.cs

@@ -0,0 +1,13 @@
+namespace APIwebASPNETCore6JWT.Identity
+{
+    public static class RoleDefinition
+    {
+        #region Fiedls
+
+        public const string ADMINISTRATOR_ROLE = "Administrator";
+
+        public const string USER_ROLE = "User";
+
+        #endregion
+    }
+}

APIwebASPNETCore6JWT/Identity/RolesToSeed.cs

@@ -0,0 +1,7 @@
+namespace APIwebASPNETCore6JWT.Identity
+{
+    public class RolesToSeed
+    {
+        public string RoleName { get; set; } = default!;
+    }
+}

APIwebASPNETCore6JWT/Identity/UserToSeed.cs

@@ -0,0 +1,13 @@
+namespace APIwebASPNETCore6JWT.Identity
+{
+    public class UserToSeed
+    {
+        public string Email { get; set; } = default!;
+        public string FirstName { get; set; } = default!;
+        public string LastName { get; set; } = default!;
+        public string Password { get; set; } = default!;
+        public string PhoneNumber { get; set; } = default!;
+        public string Role { get; set; } = default!;
+        public string UserName { get; set; } = default!;
+    }
+}