Updated lots of stuff, got multi scrape working, need to test not-nullable chapter novel ids with our current model, now supports sqlite and postgres concurrently (and easy add more), need to get it deployed/do auth

DBConnection/Extensions/BuilderExtensions.cs

@@ -1,4 +1,5 @@
 using System.Reflection;
+using DBConnection.Contexts;
 using DBConnection.Repositories.Interfaces;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Configuration;
@@ -15,11 +16,22 @@ public static class BuilderExtensions
     /// <param name="config">configuration</param>
     public static void AddDbServices(this IServiceCollection collection, IConfiguration config)
     {
-        string dbConnectionString = config.GetConnectionString("DefaultConnection");
-        collection.AddDbContext<AppDbContext>(opt =>
-        {
-            opt.UseSqlite(dbConnectionString);
-        });
+        // Add appropriate DbContext
+        // Contexts are linked to providers by trimming the 'AppDbContext' portion of their name.
+        // So 'PostgresSqlAppDbContext' is selected with provider 'PostgresSql'
+        var providerTypes = Assembly.GetExecutingAssembly().GetTypes()
+            .Where(t => (t.Namespace?.Contains(nameof(Contexts)) ?? false) && typeof(AppDbContext).IsAssignableFrom(t) && !t.IsAbstract && t.Name.EndsWith(nameof(AppDbContext)));
+        var providers = providerTypes.ToDictionary(t => t.Name.Replace(nameof(AppDbContext), ""), t => t);
+        var selectedProvider = config["DatabaseProvider"];
+        
+        //add dboptions
+        collection.AddSingleton(new DbContextOptions<AppDbContext>());
+        collection.AddSingleton<DbContextOptions>(p => p.GetRequiredService<DbContextOptions<AppDbContext>>());
+        
+        // add our provider dbcontext
+        collection.AddScoped(typeof(AppDbContext), providers[selectedProvider]);
+        
+        // Add db repositories
         Type[] repositories = Assembly.GetExecutingAssembly().GetTypes()
             .Where(t => t.IsClass && !t.IsAbstract && (t.Namespace?.Contains(nameof(DBConnection.Repositories)) ?? false) && typeof(IRepository).IsAssignableFrom(t)).ToArray();
         foreach (var repo in repositories)