add: Listagem de clientes

Data/SqliteClientRepository.cs

@@ -20,86 +20,44 @@ namespace Workshop8.Data
 
         public async Task<IEnumerable<Cliente>> GetAllClientsAsync()
         {
+            // SELECT
             var clientes = new List<Cliente>();
 
-            await using (var connection = new SqliteConnection(_connectionString))
+            await using var conn = new SqliteConnection(_connectionString);
+            await conn.OpenAsync();
+
+            var cmd = conn.CreateCommand();
+            cmd.CommandText = "SELECT id, nome, email, CriadoEm FROM Clientes;";
+
+            await using var reader = await cmd.ExecuteReaderAsync();
+            while (await reader.ReadAsync())
             {
-                await connection.OpenAsync();
-                await using (var cmd = connection.CreateCommand())
+                var c = new Cliente
                 {
-                    cmd.CommandText = @"SELECT Id, Nome, Email, CriadoEm
-                                        FROM Clientes
-                                        ORDER BY Id;";
-                    await using (var reader = await cmd.ExecuteReaderAsync())
-                    {
-                        while (await reader.ReadAsync())
-                        {
-                            clientes.Add(new Cliente
-                            {
-                                Id = reader.GetInt32(0),
-                                Nome = reader.GetString(1),
-                                Email = reader.GetString(2),
-                                CriadoEm = reader.GetDateTime(3)
-                            });
-                        }
-                    }
-                }
-                connection.Close();
-                connection.Dispose();
+                    Id = reader.GetInt32(0),
+                    Nome = reader.GetString(1),
+                    Email = reader.GetString(2),
+                    CriadoEm = reader.GetDateTime(3)
+                };
+                clientes.Add(c);
             }
             return clientes;
+            return new List<Cliente>();
         }
 
         public async Task AddClientAsync(Cliente c)
         {
-            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();
-                }
-            }
+            // TODO: implementar INSERT
         }
 
         public async Task UpdateClientAsync(Cliente c)
         {
-            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();
-                }
-            }
+            // TODO: implementar UPDATE
         }
 
         public async Task DeleteClientAsync(int id)
         {
-             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();
-                }
-            }
+            // TODO: implementar DELETE
         }
     }
 }

Pages/Index.cshtml

@@ -3,9 +3,8 @@
 @{
     ViewData["Title"] = "Clientes";
 }
-
 <div class="d-flex justify-content-between align-items-center my-3">
-  <h3>Clientes</h3>
+  <h2>Clientes</h2>
   <button class="btn btn-primary" type="button" id="createClientBtn">Adicionar Cliente</button>
 </div>
 <table class="table table-striped">