Seed applications roles from application settings.

Marechai.Database/Seeders/All.cs

@@ -1,11 +1,14 @@
 using System;
 using Marechai.Database.Models;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.Extensions.Configuration;
 
 namespace Marechai.Database.Seeders
 {
     public static class All
     {
-        public static void Seed(MarechaiContext context)
+        public static void Seed(MarechaiContext context, UserManager<ApplicationUser> userManager,
+                                RoleManager<ApplicationRole> roleManager, IConfiguration configuration)
         {
             DateTime start, end;
 
@@ -41,6 +44,14 @@ namespace Marechai.Database.Seeders
             License.Seed(context);
             end = DateTime.Now;
 
+            Console.WriteLine("\u001b[31;1mTook \u001b[32;1m{0} seconds\u001b[31;1m...\u001b[0m",
+                              (end - start).TotalSeconds);
+
+            start = DateTime.Now;
+            Console.WriteLine("\u001b[31;1mSeeding application roles...\u001b[0m");
+            Roles.Seed(userManager, roleManager, configuration);
+            end = DateTime.Now;
+
             Console.WriteLine("\u001b[31;1mTook \u001b[32;1m{0} seconds\u001b[31;1m...\u001b[0m",
                               (end - start).TotalSeconds);
 

Marechai.Database/Seeders/Roles.cs

@@ -0,0 +1,46 @@
+using System;
+using System.Linq;
+using Marechai.Database.Models;
+using Microsoft.AspNetCore.Identity;
+using Microsoft.Extensions.Configuration;
+
+namespace Marechai.Database.Seeders
+{
+    public static class Roles
+    {
+        public static void Seed(UserManager<ApplicationUser> userManager, RoleManager<ApplicationRole> roleManager,
+                                IConfiguration configuration)
+        {
+            var roles = configuration.GetSection("MarechaiRoles").GetChildren().Select(x => new
+            {
+                Name = x.GetValue<string>("Name"), Description = x.GetValue<string>("Description")
+            }).ToList();
+
+            if(roles.Count == 0)
+                return;
+
+            foreach(var role in roles)
+            {
+                ApplicationRole existingRole = roleManager.FindByNameAsync(role.Name).Result;
+
+                if(existingRole != null)
+                {
+                    if(existingRole.Description != role.Description)
+                    {
+                        Console.WriteLine("Updating description for role {0}", role.Name);
+                        existingRole.Description = role.Description;
+                    }
+
+                    continue;
+                }
+
+                var newRole = new ApplicationRole(role.Name, role.Description);
+
+                IdentityResult result = roleManager.CreateAsync(newRole).Result;
+
+                Console.WriteLine(result.Succeeded ? "New role {0} added successfully" : "Failed to add new role {0}",
+                                  role.Description);
+            }
+        }
+    }
+}

Marechai/Marechai.csproj

@@ -2,7 +2,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
     <TargetFramework>netcoreapp3.1</TargetFramework>
-    <Version>3.0.99.1008</Version>
+    <Version>3.0.99.1016</Version>
     <Company>Canary Islands Computer Museum</Company>
     <Copyright>Copyright © 2003-2020 Natalia Portillo</Copyright>
     <Product>Canary Islands Computer Museum Website</Product>

Marechai/Startup.cs

@@ -72,7 +72,7 @@ namespace Marechai
                                                                            GetConnectionString("DefaultConnection")));
 
             services.AddDefaultIdentity<ApplicationUser>(options => options.SignIn.RequireConfirmedAccount = true).
-                     AddEntityFrameworkStores<MarechaiContext>();
+                     AddRoles<ApplicationRole>().AddEntityFrameworkStores<MarechaiContext>();
 
             services.AddRazorPages();
             services.AddServerSideBlazor();
@@ -86,7 +86,8 @@ namespace Marechai
         }
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
-        public void Configure(IApplicationBuilder app, IWebHostEnvironment env, MarechaiContext context)
+        public void Configure(IApplicationBuilder app, IWebHostEnvironment env, MarechaiContext context,
+                              UserManager<ApplicationUser> userManager, RoleManager<ApplicationRole> roleManager)
         {
             if(env.IsDevelopment())
             {
@@ -122,7 +123,7 @@ namespace Marechai
             app.UseAuthentication();
             app.UseAuthorization();
 
-            All.Seed(context);
+            All.Seed(context, userManager, roleManager, Configuration);
 
             app.UseEndpoints(endpoints =>
             {

Marechai/appsettings.json

@@ -9,5 +9,11 @@
       "Microsoft.Hosting.Lifetime": "Information"
     }
   },
-  "AllowedHosts": "*"
+  "AllowedHosts": "*",
+  "MarechaiRoles": [
+    {
+      "Name": "UberAdmin",
+      "Description": "Can administer everything, cannot be deleted, only one must exist."
+    }
+  ]
 }