Move "test error" button to about dialog; require perm to use

wuttapos/app.py

@@ -36,6 +36,7 @@ from traceback import format_exception
 from rattail import app as base
 from rattail.config import make_config
 from rattail.files import resource_path
+from rattail.util import simple_error
 
 import flet as ft
 
@@ -96,6 +97,7 @@ def main(page: ft.Page):
 
             app.send_email('uncaught_exception', {
                 'extra_context': extra_context,
+                'error': simple_error(exc_value),
                 'traceback': traceback,
             })
 

wuttapos/controls/header.py

@@ -133,11 +133,28 @@ You should have received a copy of the GNU General Public License along with
 WuttaPOS.  If not, see <http://www.gnu.org/licenses/>.
 """
 
-        if self.page.session.get('user_uuid'):
+        buttons = []
+
+        user_uuid = self.page.session.get('user_uuid')
+        if user_uuid:
+
+            session = self.app.make_session()
+            model = self.app.model
+            user = session.get(model.User, user_uuid)
+            auth = self.app.get_auth_handler()
+            has_perm = auth.has_permission(session, user, 'pos.test_error')
+            session.close()
+            if has_perm:
+                test_error = self.make_button("TEST ERROR", font_size=24,
+                                              height=60,
+                                              width=60 * 3,
+                                              bgcolor='red',
+                                              on_click=self.test_error_click)
+                buttons.append(test_error)
+
             feedback = WuttaFeedback(self.config, page=self.page,
                                      on_send=self.reset, on_cancel=self.reset)
-        else:
+            buttons.append(feedback)
-            feedback = ft.Text() # no display
 
         self.dlg = ft.AlertDialog(
             title=ft.Text(title),
@@ -150,7 +167,10 @@ WuttaPOS.  If not, see <http://www.gnu.org/licenses/>.
                         ft.Divider(),
                         ft.Text(license),
                         ft.Container(
-                            content=feedback,
+                            content=ft.Row(
+                                controls=buttons,
+                                alignment=ft.MainAxisAlignment.CENTER,
+                            ),
                             alignment=ft.alignment.center,
                             expand=True,
                         ),
@@ -180,6 +200,15 @@ WuttaPOS.  If not, see <http://www.gnu.org/licenses/>.
         self.dlg.open = True
         self.page.update()
 
+    def test_error_click(self, e):
+
+        # first get the dialog out of the way
+        self.dlg.open = False
+        self.reset()
+        self.page.update()
+
+        raise RuntimeError("FAKE ERROR - to test error handling")
+
     def close_dlg(self, e):
         self.dlg.open = False
         self.reset()

wuttapos/views/pos.py

@@ -667,8 +667,8 @@ class POSView(WuttaView):
                         [
                             meta_button("Adjust\nPrice", font_size=30, bgcolor='yellow',
                                         on_click=self.adjust_price_click),
-                            meta_button("(TEST ERROR)", bgcolor='red', on_click=self.not_supported,
+                            meta_button("TODO", bgcolor='yellow', on_click=self.not_supported,
-                                        font_size=24, data={'error': True}),
+                                        font_size=24),
                         ],
                         spacing=0,
                     ),