begin adding seed

src/FilterLists.Api/DbContextExtension.cs

@@ -0,0 +1,44 @@
+// https://garywoodfine.com/how-to-seed-your-ef-core-database/
+
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using FilterLists.Data;
+using FilterLists.Data.Entities;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Newtonsoft.Json;
+
+namespace FilterLists.Api
+{
+    public static class DbContextExtension
+    {
+        private const string SeedDirectory = "Seed";
+
+        public static bool AllMigrationsApplied(this DbContext context)
+        {
+            var appliedMigrationIds = context.GetService<IHistoryRepository>()
+                .GetAppliedMigrations()
+                .Select(m => m.MigrationId);
+            var allMigrationKeys = context.GetService<IMigrationsAssembly>()
+                .Migrations
+                .Select(m => m.Key);
+            return !allMigrationKeys.Except(appliedMigrationIds).Any();
+        }
+
+        public static void EnsureSeeded(this FilterListsDbContext context)
+        {
+            SeedFilterLists(context);
+        }
+
+        private static void SeedFilterLists(FilterListsDbContext context)
+        {
+            if (context.FilterLists.Any()) return;
+            var types = JsonConvert.DeserializeObject<List<FilterList>>(
+                File.ReadAllText(SeedDirectory + Path.DirectorySeparatorChar + "FilterLists.json"));
+            context.AddRange(types);
+            context.SaveChanges();
+        }
+    }
+}

src/FilterLists.Api/Startup.cs

@@ -1,7 +1,9 @@
 using FilterLists.Api.DependencyInjection.Extensions;
+using FilterLists.Data;
 using FilterLists.Services.DependencyInjection.Extensions;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.HttpOverrides;
+using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 
@@ -40,6 +42,16 @@ public void Configure(IApplicationBuilder app)
             {
                 routes.MapRoute("default", "v{version:apiVersion}/{controller=Default}/{action=Get}/{id?}");
             });
+            MigrateAndSeedDatabase(app);
+        }
+
+        private static void MigrateAndSeedDatabase(IApplicationBuilder app)
+        {
+            using (var serviceScope = app.ApplicationServices.GetRequiredService<IServiceScopeFactory>().CreateScope())
+            {
+                serviceScope.ServiceProvider.GetService<FilterListsDbContext>().Database.Migrate();
+                serviceScope.ServiceProvider.GetService<FilterListsDbContext>().EnsureSeeded();
+            }
         }
     }
 }