base app with app-key, registration, login, logout

src/justgetit/app.py

@@ -1,40 +1,79 @@
 import toga
 from toga.style.pack import COLUMN, ROW, CENTER, START, END
 from toga.style import Pack
-import requests
 from justgetit.constants import *
 from justgetit.login import Login
 from justgetit.register import Register
+from justgetit.configuration import Configuration
+from justgetit.providekey import ProvideKey
+from justgetit.lists import Lists
 
 
 class JustEatIt(toga.App):
     login_screen = toga.Box()
     register_screen = toga.Box()
+    providekey_screen = toga.Box()
+    lists_screen = toga.Box()
+    configuration = None
+    last_screen_width = SCREENWIDTH
 
 
-    def goto_next_page(self, widget):
+    def goto_next_page_by_name(self, destination):
         """
         ask app to activate a next page, id of the page is in the id of the widget
         
         :param widget: the widget that called this function
         """
-        print(f"action 6 {widget.id}")
-        if widget.id == 'register':
-            self.main_window.content = self.register_screen
-        elif widget.id =='login':
-            self.main_window.content = self.login_screen
-
+        if destination == PAGE_REGISTER:
+            self.set_page(self.register_screen)
+        elif destination == PAGE_LOGIN:
+            self.set_page(self.login_screen)
+        elif destination == PAGE_LISTS:
+            self.set_page(self.lists_screen)
 
     def startup(self):
-        self.login_screen = Login(navigate_to=self.goto_next_page)
-        self.register_screen = Register(navigate_to=self.goto_next_page)
+        self.configuration = Configuration(self)
 
-        self.main_window = toga.MainWindow(title=self.formal_name, size=(SCREENWIDTH, SCREENHEIGHT))
-        self.main_window.content = self.register_screen
+        self.login_screen = Login()
+        self.register_screen = Register()
+        self.providekey_screen = ProvideKey()
+        self.lists_screen = Lists()
+
+        self.main_window = toga.MainWindow(title=self.formal_name)
+
+        # here comes the startup logic.
+        # check if there is a valid APP-KEY
+        # check if there is va alid user and user has been logged in recently
+        if self.configuration.has_valid_app_key():
+            if self.configuration.user_is_logged_in():
+                self.set_page(self.lists_screen)
+            else:
+                self.set_page(self.login_screen)
+        else:
+            self.set_page(self.providekey_screen)
         self.main_window.show()
 
+        # Initial layout clamp
+        self.on_resize(self.main_window)
+    
+    def set_page(self, page):
+        page.set_screen_width(self.last_screen_width)
+        self.main_window.content = page
 
+    def on_resize(self, widget, **kwargs):
+        width = self.main_window.size.width
 
+        if width < SCREENWIDTH:
+            # Phone-like: fill available width
+            elf.last_screen_width = width
+        else:
+            self.last_screen_width = SCREENWIDTH
+        # set actie screen to the corre ct width
+        self.main_window.content.set_screen_width(self.last_screen_width)
+
+    def on_exit(self):
+        self.configuration.save()
+        return super().on_exit()
 
 def main():
-    return JustEatIt()
+    return JustEatIt(icon='images/logo.png')