add: edicao de clientes

Data/SqliteClientRepository.cs

@@ -44,23 +44,62 @@ namespace Workshop8.Data
                         }
                     }
                 }
+                connection.Close();
+                connection.Dispose();
             }
             return clientes;
         }
 
         public async Task AddClientAsync(Cliente c)
         {
-            // TODO: implementar INSERT
+            await using (var connection = new SqliteConnection(_connectionString))
+            {
+                await connection.OpenAsync();
+                await using (var cmd = connection.CreateCommand())
+                {
+                    cmd.CommandText = @"
+                        INSERT INTO Clientes (Nome, Email, CriadoEm)
+                        VALUES (@nome, @email, @criado);";
+                    cmd.Parameters.AddWithValue("@nome", c.Nome);
+                    cmd.Parameters.AddWithValue("@email", c.Email);
+                    cmd.Parameters.AddWithValue("@criado", c.CriadoEm);
+                    await cmd.ExecuteNonQueryAsync();
+                }
+            }
         }
 
         public async Task UpdateClientAsync(Cliente c)
         {
-            // TODO: implementar UPDATE
+            await using (var connection = new SqliteConnection(_connectionString))
+            {
+                await connection.OpenAsync();
+                await using (var cmd = connection.CreateCommand())
+                {
+                    cmd.CommandText = @"
+                        UPDATE Clientes
+                        SET Nome = @nome,
+                            Email = @email
+                        WHERE Id = @id;";
+                    cmd.Parameters.AddWithValue("@nome",  c.Nome);
+                    cmd.Parameters.AddWithValue("@email", c.Email);
+                    cmd.Parameters.AddWithValue("@id",    c.Id);
+                    await cmd.ExecuteNonQueryAsync();
+                }
+            }
         }
 
         public async Task DeleteClientAsync(int id)
         {
-            // TODO: implementar DELETE
+             await using (var connection = new SqliteConnection(_connectionString))
+            {
+                await connection.OpenAsync();
+                await using (var cmd = connection.CreateCommand())
+                {
+                    cmd.CommandText = @"DELETE FROM Clientes WHERE Id = @id;";
+                    cmd.Parameters.AddWithValue("@id", id);
+                    await cmd.ExecuteNonQueryAsync();
+                }
+            }
         }
     }
 }