tui: add edit user view

tui.py

@@ -77,10 +77,10 @@ class State:
             return self.id if self.id else 0
 
     def __init__(self):
-        self.selected_user: self.SelectedUser = self.SelectedUser()
-        self.selected_card: self.SelectedCard = self.SelectedCard()
-        self.selected_arcade: self.SelectedArcade = self.SelectedArcade()
-        self.selected_machine: self.SelectedMachine = self.SelectedMachine()
+        self.selected_user = self.SelectedUser()
+        self.selected_card = self.SelectedCard()
+        self.selected_arcade = self.SelectedArcade()
+        self.selected_machine = self.SelectedMachine()
         self.last_err: str = ""
         self.search_results: List[Row] = []
         self.search_type: str = ""
@@ -89,6 +89,7 @@ class State:
         self.selected_user = self.SelectedUser(id, username)
 
     def clear_user(self) -> None:
+        print(self.selected_user)
         self.selected_user = self.SelectedUser()
 
     def set_card(self, id: int, access_code: Optional[str]) -> None:
@@ -528,6 +529,89 @@ class LookupUserView(Frame):
         self.find_widget('status').value = state.last_err
         raise NextScene("User Management")
 
+class EditUserView(Frame):
+    def __init__(self, screen):
+        super(EditUserView, self).__init__(
+            screen,
+            screen.height * 2 // 3,
+            screen.width * 2 // 3,
+            hover_focus=True,
+            can_scroll=False,
+            title="Edit User",
+            on_load=self._redraw
+        )
+
+        layout = Layout([100], fill_frame=True)
+        self.add_layout(layout)
+        layout.add_widget(Text("Username:", "username"))
+        layout.add_widget(Text("Email:", "email"))
+        layout.add_widget(Text("Password:", "passwd"))
+        layout.add_widget(RadioButtons([
+            ("User", "1"),
+            ("User Manager", "2"),
+            ("Arcde Manager", "4"),
+            ("Sysadmin", "8"),
+            ("Owner", "255"),
+        ], "Role:", "role"))
+
+        layout3 = Layout([100])
+        self.add_layout(layout3)
+        layout3.add_widget(Text("", f"status", readonly=True, disabled=True))
+        
+        layout2 = Layout([1, 1, 1, 1])
+        self.add_layout(layout2)
+        layout2.add_widget(Button("Save", self._ok), 0)
+        layout2.add_widget(Button("Cancel", self._cancel), 3)
+        
+        self.fix()
+    
+    def _redraw(self):
+        uinfo = loop.run_until_complete(data.user.get_user(state.selected_user.id))
+        self.find_widget('username').value = uinfo['username']
+        self.find_widget('email').value = uinfo['email']
+        self.find_widget('role').value = str(uinfo['permissions'])
+
+    def _ok(self):
+        self.save()
+        if not self.data.get("username"):
+            state.set_last_err("Username cannot be blank")
+            self.find_widget('status').value = state.last_err
+            self.screen.reset()
+            return
+
+        state.clear_last_err()
+        self.find_widget('status').value = state.last_err
+
+        pw = self.data.get("passwd")
+        hash = bcrypt.hashpw(pw.encode(), bcrypt.gensalt())
+
+        is_good = loop.run_until_complete(self._update_user_async(self.data.get("username"), hash.decode(), self.data.get("email"), self.data.get('role')))
+        
+        self.find_widget('status').value = "User Updated" if is_good else "User update failed"
+
+        raise NextScene("User Management")
+
+    async def _update_user_async(self, username: Optional[str], password: Optional[str], email: Optional[str], role: Optional[str]) -> bool:
+        if username: namechange_ok = await data.user.change_username(state.selected_user.id, username)
+        else: namechange_ok = True
+        
+        if password: pw_ok = await data.user.change_password(state.selected_user.id, password)
+        else: pw_ok = True
+        
+        if role: role_ok = await data.user.change_permission(state.selected_user.id, role)
+        else: role_ok = True
+        
+        if email: email_ok = await data.user.change_email(state.selected_user.id, email)
+        else: email_ok = True
+
+        state.set_user(state.selected_user.id, username if username and namechange_ok else state.selected_user.name)
+        return namechange_ok and pw_ok and role_ok and email_ok
+    
+    def _cancel(self):
+        state.clear_last_err()
+        self.find_widget('status').value = state.last_err
+        raise NextScene("User Management")
+
 def demo(screen:Screen, scene: Scene):
     scenes = [
         Scene([MainView(screen)], -1, name="Main"),
@@ -536,6 +620,7 @@ def demo(screen:Screen, scene: Scene):
         Scene([LookupUserView(screen)], -1, name="Lookup User"),
         Scene([SearchResultsView(screen)], -1, name="Search Results"),
         Scene([ManageCard(screen)], -1, name="Card Management"),
+        Scene([EditUserView(screen)], -1, name="Edit User"),
     ]
 
     screen.play(scenes, stop_on_resize=False, start_scene=scene, allow_int=True)