feat: list e insert

Data/SqliteClientRepository.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Data;
 using System.Threading.Tasks;
 using Microsoft.Data.Sqlite;
 using Microsoft.Extensions.Configuration;
@@ -20,13 +21,53 @@ namespace Workshop8.Data
 
         public async Task<IEnumerable<Cliente>> GetAllClientsAsync()
         {
-            // TODO: implementar SELECT
-            return new List<Cliente>();
+            var itens = new List<Cliente>();
+
+            using SqliteConnection conn = await GetConnection();
+
+            var cmd = conn.CreateCommand();
+
+            cmd.CommandText = "SELECT Id, Nome, Email, CriadoEm FROM Clientes";
+
+            await using var reader = await cmd.ExecuteReaderAsync();
+
+            while (await reader.ReadAsync())
+            {
+                var p = new Cliente
+                {
+                    Id = reader.GetInt32(0),
+                    Nome = reader.GetString(1),
+                    Email = reader.GetString(2),
+                    CriadoEm = reader.GetDateTime(3)
+                };
+                itens.Add(p);
+            }
+            return itens;
+        }
+
+        private static async Task<SqliteConnection> GetConnection()
+        {
+            var conn = new SqliteConnection("Data Source=database.sqlite;");
+            await conn.OpenAsync();
+            return conn;
         }
 
         public async Task AddClientAsync(Cliente c)
         {
-            // TODO: implementar INSERT
+            var conn = await GetConnection();
+
+            var cmd = conn.CreateCommand();
+
+            cmd.CommandText = @"INSERT INTO Clientes (nome, email, criadoEm) 
+            VALUES (@nome, @email, @criadoEm) ";
+
+            cmd.CommandType = CommandType.Text;
+            cmd.Parameters.Add(new SqliteParameter("@nome", c.Nome));
+            cmd.Parameters.Add(new SqliteParameter("@email", c.Email));
+            cmd.Parameters.Add(new SqliteParameter("@criadoEm", c.CriadoEm));
+
+            await cmd.ExecuteNonQueryAsync();
+            
         }
 
         public async Task UpdateClientAsync(Cliente c)