Aggiunto messaggio a errore connessione server

GestionePizzeForm.cs

@@ -1,10 +1,355 @@
+using System.Net.Http.Json;
+
 namespace PizzaExpress_Client
 {
     public partial class GestionePizzeForm : Form
     {
+        private readonly HttpClient _httpClient;
+
+        private List<Pizza> _tutteLePizze = new();
+
+        private readonly ListBox _lstPizze;
+        private readonly TextBox _txtId, _txtNome, _txtPrezzo, _txtRicerca, _txtNote;
+        private readonly ComboBox _cmbCategoria;
+
+        private readonly Button _btnAggiungi, _btnAggiorna, _btnElimina, _btnElenco, _btnCosto;
+
         public GestionePizzeForm()
         {
-            InitializeComponent();
+            Text = "Gestione Pizze (Database SQLite)";
+
+            // =============================
+            // DIMENSIONE FISSA DELLA FINESTRA
+            // =============================
+            Size = new Size(1000, 600);
+            MinimumSize = new Size(1000, 600);
+            MaximumSize = new Size(1000, 600);
+
+            FormBorderStyle = FormBorderStyle.FixedDialog;
+            MaximizeBox = false;
+            StartPosition = FormStartPosition.CenterScreen;
+
+            _httpClient = new HttpClient { BaseAddress = new Uri("http://localhost:5000/") };
+
+            // ======================================================
+            //  PANNELLO SUPERIORE
+            // ======================================================
+            var pnlTop = new Panel
+            {
+                Dock = DockStyle.Top,
+                Height = 60
+            };
+
+            var lblTitolo = new Label
+            {
+                Text = "Gestione Pizze",
+                Font = new Font("Arial", 20, FontStyle.Bold),
+                Location = new Point(10, 15),
+                AutoSize = true
+            };
+
+            _btnCosto = new Button
+            {
+                Text = "Costo",
+                Location = new Point(900, 15),
+                Size = new Size(70, 30)
+            };
+            _btnCosto.Click += BtnCosto_Click;
+
+            pnlTop.Controls.Add(lblTitolo);
+            pnlTop.Controls.Add(_btnCosto);
+
+            // ======================================================
+            //  PANNELLO SINISTRO
+            // ======================================================
+            var pnlLeft = new Panel
+            {
+                Dock = DockStyle.Left,
+                Width = 300,
+                Padding = new Padding(10)
+            };
+
+            _txtRicerca = new TextBox
+            {
+                PlaceholderText = "Cerca pizza...",
+                Dock = DockStyle.Top,
+                Height = 30
+            };
+            _txtRicerca.TextChanged += (s, e) => FiltraPizze();
+
+            _btnElenco = new Button
+            {
+                Text = "Ricarica elenco",
+                Dock = DockStyle.Top,
+                Height = 35
+            };
+            _btnElenco.Click += async (s, e) => await CaricaPizze();
+
+            _lstPizze = new ListBox
+            {
+                Dock = DockStyle.Fill,
+                Font = new Font("Consolas", 10)
+            };
+            _lstPizze.SelectedIndexChanged += LstPizze_SelectedIndexChanged;
+
+            pnlLeft.Controls.Add(_lstPizze);
+            pnlLeft.Controls.Add(_btnElenco);
+            pnlLeft.Controls.Add(_txtRicerca);
+
+            // ======================================================
+            //  PANNELLO DESTRO — ALLINEAMENTO PERFETTO A SINISTRA
+            // ======================================================
+            var pnlRight = new TableLayoutPanel
+            {
+                Dock = DockStyle.Fill,
+                ColumnCount = 2,
+                Padding = new Padding(10),
+            };
+
+            // Colonna etichette stretta, colonna input larga e allineata ai pulsanti
+            pnlRight.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 18));
+            pnlRight.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 82));
+
+            pnlRight.Controls.Add(new Label
+            {
+                Text = "Modifica pizza",
+                Font = new Font("Arial", 16, FontStyle.Bold),
+                AutoSize = true
+            }, 0, 0);
+            pnlRight.SetColumnSpan(pnlRight.GetControlFromPosition(0, 0), 2);
+
+            // ID
+            _txtId = new TextBox { Visible = false };
+            pnlRight.Controls.Add(new Label { Text = "Id:", Visible = false }, 0, 1);
+            pnlRight.Controls.Add(_txtId, 1, 1);
+
+            // Nome
+            pnlRight.Controls.Add(new Label { Text = "Nome:" }, 0, 2);
+            _txtNome = new TextBox
+            {
+                Width = 300,
+                Anchor = AnchorStyles.Left
+            };
+            pnlRight.Controls.Add(_txtNome, 1, 2);
+
+            // Prezzo
+            pnlRight.Controls.Add(new Label { Text = "Prezzo:" }, 0, 3);
+            _txtPrezzo = new TextBox
+            {
+                Width = 150,
+                Anchor = AnchorStyles.Left
+            };
+            pnlRight.Controls.Add(_txtPrezzo, 1, 3);
+
+            // Categoria
+            pnlRight.Controls.Add(new Label { Text = "Categoria:" }, 0, 4);
+            _cmbCategoria = new ComboBox
+            {
+                Width = 200,
+                DropDownStyle = ComboBoxStyle.DropDown,
+                Anchor = AnchorStyles.Left
+            };
+            _cmbCategoria.Items.AddRange(new[] { "Classica", "Speciale", "Gourmet" });
+            pnlRight.Controls.Add(_cmbCategoria, 1, 4);
+
+            // NOTE — Campo grande e allineato
+            pnlRight.Controls.Add(new Label { Text = "Note:" }, 0, 5);
+
+            _txtNote = new TextBox
+            {
+                Multiline = true,
+                Height = 230,
+                Width = 500,
+                ScrollBars = ScrollBars.Vertical,
+                Anchor = AnchorStyles.Left
+            };
+
+            pnlRight.Controls.Add(_txtNote, 1, 5);
+
+            // ======================================================
+            //  PANNELLO PULSANTI — ALLINEATO COL CAMPO NOME (SX)
+            // ======================================================
+            var pnlButtons = new FlowLayoutPanel
+            {
+                FlowDirection = FlowDirection.LeftToRight,
+                AutoSize = true,
+                Anchor = AnchorStyles.Left,
+                Padding = new Padding(0, 10, 0, 0)
+            };
+
+            _btnAggiungi = new Button { Text = "Aggiungi", Width = 120 };
+            _btnAggiorna = new Button { Text = "Aggiorna", Width = 120 };
+            _btnElimina = new Button { Text = "Elimina", Width = 120 };
+
+            _btnAggiungi.Click += async (s, e) => await AggiungiPizza();
+            _btnAggiorna.Click += async (s, e) => await AggiornaPizza();
+            _btnElimina.Click += async (s, e) => await EliminaPizza();
+
+            pnlButtons.Controls.Add(_btnAggiungi);
+            pnlButtons.Controls.Add(_btnAggiorna);
+            pnlButtons.Controls.Add(_btnElimina);
+
+            pnlRight.Controls.Add(pnlButtons, 1, 6);
+
+            // ======================================================
+            Controls.Add(pnlRight);
+            Controls.Add(pnlLeft);
+            Controls.Add(pnlTop);
+
+            Load += async (s, e) => await CaricaPizze();
+        }
+
+        // ======================================================================
+        private async Task CaricaPizze()
+        {
+            try
+            {
+                var pizze = await _httpClient.GetFromJsonAsync<List<Pizza>>("api/pizze");
+                _tutteLePizze = pizze ?? new List<Pizza>();
+            }
+            catch(Exception ex)
+            {
+                MessageBox.Show("Errore nella connessione al server.\n" + ex.Message);
+                _tutteLePizze = new List<Pizza>();
+            }
+
+            FiltraPizze();
+        }
+
+        private void FiltraPizze()
+        {
+            string filtro = _txtRicerca.Text.ToLower();
+            _lstPizze.Items.Clear();
+
+            foreach (var p in _tutteLePizze)
+            {
+                if (string.IsNullOrWhiteSpace(filtro) ||
+                    p.Nome.ToLower().Contains(filtro) ||
+                    p.Categoria.ToLower().Contains(filtro))
+                {
+                    _lstPizze.Items.Add(p.ToString());
+                }
+            }
+        }
+
+        private void LstPizze_SelectedIndexChanged(object? sender, EventArgs e)
+        {
+            if (_lstPizze.SelectedIndex < 0)
+                return;
+
+            var p = _tutteLePizze[_lstPizze.SelectedIndex];
+
+            _txtId.Text = p.Id.ToString();
+            _txtNome.Text = p.Nome;
+            _txtPrezzo.Text = p.Prezzo.ToString();
+            _cmbCategoria.Text = p.Categoria;
+            _txtNote.Text = p.Note;
+        }
+
+        // ======================================================================
+        private async Task AggiungiPizza()
+        {
+            if (!decimal.TryParse(_txtPrezzo.Text, out decimal prezzo))
+            {
+                MessageBox.Show("Prezzo non valido.");
+                return;
+            }
+
+            var pizza = new Pizza
+            {
+                Nome = _txtNome.Text,
+                Prezzo = prezzo,
+                Categoria = _cmbCategoria.Text,
+                Note = _txtNote.Text
+            };
+
+            var resp = await _httpClient.PostAsJsonAsync("api/pizze", pizza);
+
+            if (!resp.IsSuccessStatusCode)
+            {
+                var err = await resp.Content.ReadFromJsonAsync<Dictionary<string, string>>();
+                MessageBox.Show(err["message"]);
+                return;
+            }
+
+            await CaricaPizze();
+        }
+
+        // ======================================================================
+        private async Task AggiornaPizza()
+        {
+            if (!int.TryParse(_txtId.Text, out int id))
+            {
+                MessageBox.Show("ID non valido.");
+                return;
+            }
+
+            if (!decimal.TryParse(_txtPrezzo.Text, out decimal prezzo))
+            {
+                MessageBox.Show("Prezzo non valido.");
+                return;
+            }
+
+            var pizza = new Pizza
+            {
+                Id = id,
+                Nome = _txtNome.Text,
+                Prezzo = prezzo,
+                Categoria = _cmbCategoria.Text,
+                Note = _txtNote.Text
+            };
+
+            var resp = await _httpClient.PutAsJsonAsync($"api/pizze/{id}", pizza);
+
+            if (!resp.IsSuccessStatusCode)
+            {
+                var err = await resp.Content.ReadFromJsonAsync<Dictionary<string, string>>();
+                MessageBox.Show(err["message"]);
+                return;
+            }
+
+            await CaricaPizze();
+        }
+
+        // ======================================================================
+        private async Task EliminaPizza()
+        {
+            if (!int.TryParse(_txtId.Text, out int id))
+            {
+                MessageBox.Show("Seleziona una pizza da eliminare.");
+                return;
+            }
+
+            await _httpClient.DeleteAsync($"api/pizze/{id}");
+
+            await CaricaPizze();
+
+            _lstPizze.ClearSelected();
+            _txtId.Clear();
+            _txtNome.Clear();
+            _txtPrezzo.Clear();
+            _txtNote.Clear();
+            _cmbCategoria.SelectedIndex = -1;
+        }
+
+        // ======================================================================
+        private void BtnCosto_Click(object? sender, EventArgs e)
+        {
+            if (_lstPizze.SelectedItem == null)
+            {
+                MessageBox.Show("Seleziona una pizza.");
+                return;
+            }
+
+            var s = _lstPizze.SelectedItem.ToString();
+            var parts = s.Split('-');
+
+            if (parts.Length >= 3)
+            {
+                string nome = parts[1].Trim();
+                string prezzo = parts[2].Replace("€", "").Trim();
+                MessageBox.Show($"La pizza {nome} costa {prezzo}€.");
+            }
         }
     }
 }

LICENSE

@@ -0,0 +1,25 @@
+               GLWT(Good Luck With That) Public License
+                 Copyright (c) Everyone, except Author
+
+Everyone is permitted to copy, distribute, modify, merge, sell, publish,
+sublicense or whatever they want with this software but at their OWN RISK.
+
+                            Preamble
+
+The author has absolutely no clue what the code in this project does.
+It might just work or not, there is no third option.
+
+
+                GOOD LUCK WITH THAT PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION, AND MODIFICATION
+
+  0. You just DO WHATEVER YOU WANT TO as long as you NEVER LEAVE A
+TRACE TO TRACK THE AUTHOR of the original product to blame for or hold
+responsible.
+
+IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+
+Good luck and Godspeed.

Pizza.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PizzaExpress_Client
+{
+    internal class Pizza
+    {
+        public int Id { get; set; }
+        public string Nome { get; set; } = string.Empty;
+        public decimal Prezzo { get; set; }
+        public string Categoria { get; set; } = string.Empty;
+        public string Note { get; set; } = string.Empty;
+        public int Tavolo { get; set; }
+        public string Stato { get; set; } = string.Empty;
+
+    }
+}