Aggiungi export XLSX diagnostica

diagnostica.py

@@ -3,7 +3,8 @@
 from __future__ import annotations
 
 import tkinter as tk
-from tkinter import messagebox, ttk
+from datetime import datetime
+from tkinter import filedialog, messagebox, ttk
 from typing import Any
 
 import customtkinter as ctk
@@ -72,6 +73,7 @@ class DiagnosticaWindow(ctk.CTkToplevel):
         self._load_in_progress = False
         self._current_check = ""
         self.var_status = tk.StringVar(value="")
+        self._last_export_slug = "diagnostica"
 
         self.title(
             versioned_title(
@@ -124,6 +126,15 @@ class DiagnosticaWindow(ctk.CTkToplevel):
             font=button_font,
         ).grid(row=0, column=0, sticky="w", padx=(0, 8))
 
+        self.btn_export = ctk.CTkButton(
+            top,
+            text=loc_text("diagnostics.button.export", catalog=self._locale_catalog, default="Esporta XLSX"),
+            command=self._export_xlsx,
+            font=button_font,
+            state="disabled",
+        )
+        self.btn_export.grid(row=0, column=2, sticky="e")
+
         ctk.CTkLabel(
             self,
             textvariable=self.var_status,
@@ -205,6 +216,11 @@ class DiagnosticaWindow(ctk.CTkToplevel):
 
         self._load_in_progress = True
         self._current_check = key
+        self._last_export_slug = key
+        try:
+            self.btn_export.configure(state="disabled")
+        except Exception:
+            pass
         try:
             self._busy.show(busy_text)
             self._async.run(job(), self._on_loaded, self._on_error)
@@ -237,6 +253,10 @@ class DiagnosticaWindow(ctk.CTkToplevel):
                     ),
                     tags=(zebra_tag(index),),
                 )
+            try:
+                self.btn_export.configure(state="normal" if rows else "disabled")
+            except Exception:
+                pass
             self._set_status(
                 loc_text(
                     "diagnostics.status.rows",
@@ -264,6 +284,91 @@ class DiagnosticaWindow(ctk.CTkToplevel):
             parent=self,
         )
 
+    def _export_xlsx(self) -> None:
+        """Export the currently visible diagnostic grid to an Excel file."""
+
+        rows = [self.tree.item(iid, "values") for iid in self.tree.get_children("")]
+        if not rows:
+            messagebox.showinfo(
+                loc_text("diagnostics.export.title", catalog=self._locale_catalog, default="Esporta"),
+                loc_text(
+                    "diagnostics.export.empty",
+                    catalog=self._locale_catalog,
+                    default="Non ci sono righe da esportare.",
+                ),
+                parent=self,
+            )
+            return
+
+        try:
+            from openpyxl import Workbook
+            from openpyxl.styles import Alignment, Font
+            from openpyxl.utils import get_column_letter
+        except Exception as exc:
+            messagebox.showerror(
+                loc_text("diagnostics.export.title", catalog=self._locale_catalog, default="Esporta"),
+                loc_text(
+                    "diagnostics.export.dep",
+                    catalog=self._locale_catalog,
+                    default="Per l'esportazione serve 'openpyxl' (pip install openpyxl).",
+                ).format(error=exc),
+                parent=self,
+            )
+            return
+
+        ts = datetime.now().strftime("%Y%m%d_%H%M")
+        default_name = f"{self._last_export_slug}_{ts}.xlsx"
+        path = filedialog.asksaveasfilename(
+            parent=self,
+            title=loc_text("diagnostics.export.title", catalog=self._locale_catalog, default="Esporta"),
+            defaultextension=".xlsx",
+            filetypes=[("Excel Workbook", "*.xlsx")],
+            initialfile=default_name,
+        )
+        if not path:
+            return
+
+        try:
+            wb = Workbook()
+            ws = wb.active
+            ws.title = "Diagnostica"
+            columns = list(self.tree["columns"])
+            headers = [str(self.tree.heading(col, "text") or col) for col in columns]
+
+            for col_index, header in enumerate(headers, start=1):
+                cell = ws.cell(row=1, column=col_index, value=header)
+                cell.font = Font(bold=True)
+                cell.alignment = Alignment(horizontal="center", vertical="center")
+
+            for row_index, row in enumerate(rows, start=2):
+                for col_index, value in enumerate(row, start=1):
+                    ws.cell(row=row_index, column=col_index, value=value)
+
+            widths: dict[int, int] = {}
+            for row in ws.iter_rows(values_only=True):
+                for col_index, value in enumerate(row, start=1):
+                    widths[col_index] = max(widths.get(col_index, 0), len("" if value is None else str(value)))
+            for col_index, width in widths.items():
+                ws.column_dimensions[get_column_letter(col_index)].width = min(max(width + 2, 12), 70)
+
+            wb.save(path)
+            messagebox.showinfo(
+                loc_text("diagnostics.export.title", catalog=self._locale_catalog, default="Esporta"),
+                loc_text("diagnostics.export.ok", catalog=self._locale_catalog, default="File creato:\n{path}").format(path=path),
+                parent=self,
+            )
+        except Exception as exc:
+            log_exception(__name__, exc, context="export diagnostica xlsx")
+            messagebox.showerror(
+                loc_text("diagnostics.export.title", catalog=self._locale_catalog, default="Esporta"),
+                loc_text(
+                    "diagnostics.export.error",
+                    catalog=self._locale_catalog,
+                    default="Errore durante l'esportazione:\n{error}",
+                ).format(error=exc),
+                parent=self,
+            )
+
 
 def open_diagnostica_window(parent: tk.Misc, db_client, session=None) -> tk.Misc:
     """Open the diagnostics window."""