api/src/Data/AppDbContext.cs

@@ -0,0 +1,13 @@
+
+using agologumApi.Models;
+
+using Microsoft.EntityFrameworkCore;
+
+public class AppDbContext : DbContext {
+
+    public AppDbContext(DbContextOptions<AppDbContext> options) : base(options) {
+
+    }
+
+    public DbSet<User> Users { get; set; }
+}

api/src/Services/UserService.cs

@@ -0,0 +1,47 @@
+
+using Microsoft.EntityFrameworkCore;
+
+using agologumApi.Models;
+
+namespace agologumApi.Services;
+
+public class UserService {
+
+    private readonly AppDbContext db_;
+
+    public UserService(AppDbContext db) {
+        db_ = db;
+    }
+
+    public async Task<List<User>> GetAll() {
+        return await db_.Users.ToListAsync();
+    }
+
+    public async Task<User?> Get(int id) {
+        return await db_.Users.FindAsync(id);
+    }
+
+    public async Task<User> Create(User user) {
+        db_.Users.Add(user);
+        await db_.SaveChangesAsync();
+        return user;
+    }
+
+    public async Task<User> Update(User user) {
+        db_.Users.Update(user);
+        await db_.SaveChangesAsync();
+        return user;
+    }
+
+    public async Task<bool> Delete(int id) {
+        User? user = await db_.Users.FindAsync(id);
+        if(user != null) {
+            db_.Users.Remove(user);
+            await db_.SaveChangesAsync();
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+}