Big Bang Payments Refactor. Moved core logic out of the PyQt classes, instead it uses payment_actions, which coordinates with core background threaded tasks

gui/v2/actions/menu_profiles.py

@@ -318,6 +318,11 @@ def profile_status_message(profile: BaseProfile, is_enabled: bool, idle: bool =
     """Generate status text outside Qt so workers and pages report identical subscription state."""
     subscription = getattr(profile, "subscription", None)
     profile_date = getattr(subscription, "expires_at", None)
+    billing_pending = getattr(subscription, "billing_pending", None)
+
+    if billing_pending:
+        return "Click Enable to Resume Billing."        
+
     if profile_date is None:
         return "Offline. No subscription found."
 

gui/v2/actions/payment_actions.py

@@ -0,0 +1,95 @@
+from core.services.payment_phase.payment_state import PaymentData
+from core.services.subscriptions.check_payment_loop import CheckPaidTimer
+from core.services.subscriptions.subscriptions_by_protocol import create_invoice, save_billing_code, return_pre_existing_payment_data, get_profile_subscription
+from core.models.enum_models import PaymentType
+from core.models.pydantic_models.ServerReply import SubscriptionInvoice
+from core.models.Result import Result
+from core.models.Subscription import Subscription
+from core.errors.logger import logger
+
+
+# gui
+from gui.v2.infrastructure.ThreadSafetyTool import ThreadSafetyTool
+from gui.v2.infrastructure.take_plumbing_action import take_action
+from gui.v2.infrastructure.setup_observers import connection_observer
+
+from typing import Callable, Optional
+
+def gui_starts_invoice(profile_id: int, ui_caller: Callable) -> Result:
+    """Create a new invoice if we don't have one yet, or re-use the saved data."""
+
+    subscription = get_profile_subscription(profile_id)
+    print(f"in gui_starts_invoice, subscription is {subscription}")
+
+    if not subscription:
+        logger.info(f"Starting a New Invoice for Profile {profile_id}..")
+        take_action(
+            action=create_invoice,
+            ui_caller=ui_caller,
+            profile_id=profile_id,
+            connection_observer=connection_observer
+        )
+        return Result(valid=True)
+    else:
+        return return_pre_existing_payment_data(profile_id=profile_id, subscription=subscription)
+
+
+def save_and_begin_timer(
+    ticketing: bool,
+    gui_callback: Callable,
+    billing_code: str,
+    profile_id: Optional[int] = None,
+    expires_at: Optional[str] = None,
+) -> bool:
+    """
+    First saves the billing code & profile expiration, if it's an individual (non-ticket) crypto-based one.
+    Then it Starts a loop of checking if the invoice is paid and saves it.
+    """
+
+    if ticketing:
+        payment_type = PaymentType.TICKETS
+        logger.error("Not yet setup for ticketing")
+        return False
+
+    # NON-ticketing:
+    elif profile_id and expires_at:
+        payment_type = PaymentType.CRYPTO
+        saved = save_billing_code(profile_id=profile_id, billing_code=billing_code, expires_at=expires_at)
+        if not saved.valid:
+            return False
+    else:
+        logger.error("You need a profile id and expires_at for individual profiles")
+        return False
+
+    # Setup PyQt6 GUI as mainthread to bring back to:
+    pyqt_threader = ThreadSafetyTool()
+
+    # setup the timer with the callback:
+    # it doesn't return result here.  It calls the gui_callback function.
+    check_paid_timer = CheckPaidTimer(
+        view_callback=gui_callback,
+        billing_code=billing_code,
+        ui_dispatcher=pyqt_threader,
+        payment_type=payment_type,
+        connection_observer=connection_observer
+    )
+
+    return True # this is just that it started
+
+
+
+
+# def create_an_invoice(ui_caller: Callable, profile_id: int, connection_observer: ConnectionObserver) -> SubscriptionInvoice|str:
+#     """Create an Invoice for regular single profile billing"""
+
+#     take_action(
+#         action=create_invoice,
+#         ui_caller=ui_caller,
+#         profile_id=profile_id,
+#         connection_observer=connection_observer
+#     )
+
+# subscription_plan_id=subscription_plan_id,
+# location_id=location_id,
+# protocol_choice=protocol_choice,
+# currency=currency_choice,

gui/v2/infrastructure/page_registry.py

@@ -23,7 +23,7 @@ PAGE_REGISTRY = {
     "policy_suggestion": ("gui.v2.ui.pages.policy_suggestion_page", "PolicySuggestionPage"),
     "duration_selection": ("gui.v2.ui.pages.duration_selection_page", "DurationSelectionPage"),
     "currency_selection": ("gui.v2.ui.pages.currency_selection_page", "CurrencySelectionPage"),
-    "payment_details": ("gui.v2.ui.pages.payment_details_page", "PaymentDetailsPage"),
+    "payment_details": ("gui.v2.ui.pages.payments2", "PaymentDetailsPage"),
     "plan_picker": ("gui.v2.ui.pages.plan_picker_page", "PlanPickerPage"),
     "ticket_crypto_picker": ("gui.v2.ui.pages.ticket_crypto_picker_page", "TicketCryptoPickerPage"),
     "ticket_prep": ("gui.v2.ui.pages.ticket_prep_page", "TicketPrepPage"),
@@ -62,10 +62,8 @@ PRELOAD_ORDER = [
     "settings",
     "editor",
     "ticket_or_billing_choice",
-    "payment_details",
     "plan_picker",
     "ticket_crypto_picker",
-    "duration_selection",
     "currency_selection",
     "policy_suggestion",
     "systemwide_prompt",
@@ -85,3 +83,6 @@ PRELOAD_ORDER = [
     "install_system_package",
     "sync_screen",
 ]
+
+#    "duration_selection",
+#     "payment_details",

gui/v2/ui/pages/Page.py

@@ -1,3 +1,5 @@
+from gui.v2.ui.popups.error_popup import ErrorPopup
+
 import os
 
 from PyQt6.QtWidgets import QWidget, QLabel, QPushButton
@@ -101,3 +103,17 @@ class Page(QWidget):
         except TypeError:
             pass
         button.clicked.connect(handler)
+
+
+    def show_a_popup(self, message: str, title: str = "Error"):
+        """Display a popup with an error"""
+        error_popup = ErrorPopup(
+            choice=False,
+            title=title,
+            message=message,
+            end_app = False,
+            on_answer = None,
+            passed_result = None,
+        )
+
+        error_popup.show()

gui/v2/ui/pages/currency_selection_page.py

@@ -1,11 +1,14 @@
-import os
+from core.controllers.profile_state.data_filters import ALL_CURRENCIES
+from core.models.enum_models import Currency
+from core.services.payment_phase.payment_state import PaymentData
+from gui.v2.ui.pages.Page import Page
 
-from PyQt6.QtWidgets import QButtonGroup, QLabel, QPushButton
+import os
+from PyQt6 import QtCore
+from PyQt6.QtWidgets import QLabel, QPushButton, QButtonGroup
+from PyQt6.QtWidgets import QVBoxLayout, QWidget, QSpacerItem, QSizePolicy
 from PyQt6.QtGui import QIcon
 from PyQt6.QtCore import QSize
-from PyQt6 import QtCore
-
-from gui.v2.ui.pages.Page import Page
 
 
 class CurrencySelectionPage(Page):
@@ -13,53 +16,79 @@ class CurrencySelectionPage(Page):
         super().__init__("Select Currency", page_stack, main_window, parent)
         self.update_status = main_window
         self.selected_duration = None
-        self.create_interface_elements()
+        
+        # Map to link the button object to its currency string value
+        self.button_to_currency = {} 
+        
+        self.create_initial_elements()
         self.button_reverse.setVisible(True)
         self.button_next.setVisible(False)
 
-    def create_interface_elements(self):
+
+    def create_initial_elements(self):
         self.title = QLabel("Payment Method", self)
-        self.title.setGeometry(QtCore.QRect(510, 30, 250, 40))
         self.title.setAlignment(QtCore.Qt.AlignmentFlag.AlignCenter)
         self.button_reverse.clicked.connect(self.reverse)
 
-        button_info = [
+        # container widget to hold the 'block' of buttons
-            ("monero", (545, 75)),
+        self.button_container = QWidget(self)
-            ("bitcoin", (545, 290)),
+
-            ("lightnering", (545, 180)),
+        # Position of the entire group, not each individual button
-            ("litecoin", (545, 395))
+        self.button_container.setGeometry(545, 75, 185, 400)
-        ]
+        
+        # Vertical Layout
+        self.layout = QVBoxLayout(self.button_container)
+
+        # margins avoid cutting off image:
+        self.layout.setContentsMargins(0, 0, 0, 0)
+
+        # Consistent gap between buttons
+        self.layout.setSpacing(20)
+        self.layout.setAlignment(QtCore.Qt.AlignmentFlag.AlignCenter)
 
         self.buttonGroup = QButtonGroup(self)
-        self.buttons = []
 
-        for j, (icon_name, position) in enumerate(button_info):
+        # loop through enums and get the relevant image,
+        for currency_val in ALL_CURRENCIES:
             button = QPushButton(self)
-            button.setGeometry(position[0], position[1], 185, 75)
+            
+            # size required for the image
+            button.setFixedSize(185, 75) 
+            
             button.setIconSize(QSize(190, 120))
             button.setCheckable(True)
-            self.buttons.append(button)
+            button.setIcon(QIcon(os.path.join(self.btn_path, f"{currency_val}.png")))
-            self.buttonGroup.addButton(button, j)
-            button.setIcon(
-                QIcon(os.path.join(self.btn_path, f"{icon_name}.png")))
             button.clicked.connect(self.on_currency_selected)
             
-    def on_currency_selected(self):
+            self.button_to_currency[button] = currency_val
-        self.custom_window.navigator.navigate("payment_details")
+            self.buttonGroup.addButton(button)
-        payment_details_page = self.custom_window.navigator.get_cached("payment_details")
+            self.layout.addWidget(button)
-        if payment_details_page is not None:
-            payment_details_page.selected_duration = self.selected_duration
-            payment_details_page.selected_currency = self.get_selected_currency()
-            payment_details_page.check_invoice()
-            self.update_status.update_status('Loading payment details...')
 
-    def get_selected_currency(self):
+
+    def on_currency_selected(self):
+        """Sets the value selected to the singleton used across pages"""
+
+        profile_id = int(self.update_status.current_profile_id)
+
+        # get the singleton (this was created on a previous page)
+        self.billing_data = PaymentData(instance_id=profile_id)
+
+        # set the value as an Enum to be used in a different page,
+        self.billing_data.currency = self._get_selected_currency()
+
+        self.update_status.update_status('Loading payment details...')
+        self.custom_window.navigator.navigate("payment_details")
+
+
+    def _get_selected_currency(self):
         selected_button = self.buttonGroup.checkedButton()
-        if selected_button:
+
-            index = self.buttonGroup.id(selected_button)
+        # Retrieve the value from the map using the button object as the key
-            currencies = ["monero", "bitcoin", "lightning", "litecoin"]
+        raw_selection = self.button_to_currency.get(selected_button)
-            return currencies[index]
+
-        return None
+        # convert to enum:
+        return Currency(raw_selection)        
+
 
     def reverse(self):
         self.custom_window.navigator.navigate("duration_selection")

gui/v2/ui/pages/duration_selection_page.py

@@ -1,17 +1,28 @@
+# Core
+from core.services.payment_phase.payment_state import PaymentData
+from gui.v2.infrastructure.take_plumbing_action import take_action
+from core.controllers.profile_state.data_filters import get_plans_for_profile
+from core.models.Result import Result #, ResultError
+
+# GUI
+from gui.v2.ui.styles.payment_styles import DURATION_SELECTION_STYLE, NEXT_BUTTON_STYLE
+from gui.v2.ui.pages.Page import Page
+
+from gui.v2.infrastructure.ThreadSafetyTool import ThreadSafetyTool
+mainthread = ThreadSafetyTool()
+
 from PyQt6.QtWidgets import QComboBox, QLabel, QPushButton
 from PyQt6 import QtCore
 
-from gui.v2.ui.pages.Page import Page
-
 
 class DurationSelectionPage(Page):
     def __init__(self, page_stack, main_window=None, parent=None):
         super().__init__("Select Duration", page_stack, main_window, parent)
         self.update_status = main_window
-        self.create_interface_elements()
+        self.create_intitial_elements()
         self.button_reverse.setVisible(True)
 
-    def create_interface_elements(self):
+    def create_intitial_elements(self):
         self.title = QLabel("Select Duration", self)
         self.title.setGeometry(QtCore.QRect(530, 30, 210, 40))
         self.title.setAlignment(QtCore.Qt.AlignmentFlag.AlignCenter)
@@ -19,74 +30,76 @@ class DurationSelectionPage(Page):
 
         self.combo_box = QComboBox(self)
         self.combo_box.setGeometry(200, 200, 400, 60)
-        self.combo_box.addItems(
-            ["1 month (€1.50)", "3 months (€4.30)", "6 months (€8)", "12 months (€16)"])
         self.combo_box.setEditable(False)
         self.combo_box.setMaxVisibleItems(4)
         self.combo_box.setDuplicatesEnabled(True)
         self.combo_box.setPlaceholderText("Select options")
-        self.combo_box.setStyleSheet("""
+        self.combo_box.setStyleSheet(DURATION_SELECTION_STYLE)
-            QComboBox {
-                font-size: 16px;
-                padding: 10px;
-                background-color: #000000;
-                color: #00ffff;
-                border: 2px solid #00ffff;
-                border-radius: 8px;
-            }
-            QComboBox::drop-down {
-                width: 30px;
-                background-color: #1a1a1a;
-                border-left: 1px solid #00ffff;
-            }
-            QComboBox::down-arrow {
-                width: 12px;
-                height: 12px;
-                color: #00ffff;
-            }
-            QComboBox QAbstractItemView {
-                background-color: #0a0a0a;
-                border: 1px solid #00ffff;
-                border-radius: 4px;
-                selection-background-color: #003333;
-                selection-color: #00ffff;
-            }
-            QComboBox QAbstractItemView::item {
-                padding: 8px;
-                border: none;
-                color: #00ffff;
-                background-color: #0a0a0a;
-            }
-            QComboBox QAbstractItemView::item:hover {
-                background-color: #1a1a1a;
-                color: #00ffff;
-            }
-            QComboBox QAbstractItemView::item:selected {
-                background-color: #003333;
-                color: #00ffff;
-            }
-        """)
 
         self.next_button = QPushButton("Next", self)
         self.next_button.setGeometry(350, 300, 100, 40)
-        self.next_button.setStyleSheet("""
+        self.next_button.setStyleSheet(NEXT_BUTTON_STYLE)
-            QPushButton {
-                font-size: 18px;
-                padding: 10px;
-                border: 2px solid #ccc;
-                border-radius: 10px;
-                background-color: cyan;
-                color: black;
-                font-weight: bold;
-            }
-        """)
         self.next_button.clicked.connect(self.show_next)
 
+        # Background thread launch:
+        self.get_data()
+
+
+    def get_data(self):
+        """Launches background thread to get data"""
+
+        # get profile id:
+        profile_id = int(self.update_status.current_profile_id)
+
+        # setup singleton
+        self.billing_data = PaymentData(instance_id=profile_id)
+
+        # Thread SQL in background:
+        take_action(
+            action=get_plans_for_profile,
+            ui_caller=self.populate_with_data,
+            profile_id=profile_id,
+        )
+
+    @mainthread
+    def populate_with_data(self, result: Result):
+        if not result.valid:
+            self.show_a_popup(result.message)
+            return
+
+        self.choice_to_id = {}
+        self.dict_of_choices = result.data
+
+        if not self.dict_of_choices:
+            self.show_a_popup("There is no plan data.  Go sync or remove the database and try again.")
+            return
+
+        if not isinstance(self.dict_of_choices, dict):
+            self.show_a_popup("Plan data is in an invalid format.")
+            return
+
+        for plan_string, plan_id in self.dict_of_choices.items():
+            self.combo_box.addItem(str(plan_string))
+
     def show_next(self):
-        self.custom_window.navigator.navigate("currency_selection")
+        # get current selection:
+        current_choice = self.combo_box.currentText()
+
+        # which plan id is that:
+        plan_id = self.dict_of_choices[current_choice]
+
+        # save to singleton across pages:
+        self.billing_data.plan_id = plan_id
+
+        # go to next page:
         currency_page = self.custom_window.navigator.get_cached("currency_selection")
         if currency_page is not None:
-            currency_page.selected_duration = self.combo_box.currentText()
+            self.custom_window.navigator.navigate("currency_selection")
 
     def reverse(self):
         self.custom_window.navigator.navigate("id")
+
+
+# currency_page.selected_duration 
+# self.combo_box.addItems(
+#     ["1 month (€1.50)", "3 months (€4.30)", "6 months (€8)", "12 months (€16)"])

gui/v2/ui/pages/payments2.py

@@ -0,0 +1,328 @@
+# core
+from core.services.payment_phase.payment_state import PaymentData
+from core.models.pydantic_models.ServerReply import SubscriptionInvoice
+from core.models.enum_models import Currency
+from core.models.Result import Result
+
+# GUI
+from gui.v2.actions.payment_actions import save_and_begin_timer, gui_starts_invoice
+from gui.v2.ui.pages.Page import Page
+from gui.v2.ui.popups.qrcode_dialog import QRCodeDialog
+
+# Bring background threads to the main thread UI:
+from gui.v2.infrastructure.ThreadSafetyTool import ThreadSafetyTool
+mainthread = ThreadSafetyTool()
+
+
+import os
+from typing import Any
+from PyQt6 import QtCore, QtWidgets
+from PyQt6.QtWidgets import (
+    QVBoxLayout, QHBoxLayout, QLabel, QLineEdit, 
+    QPushButton, QWidget, QApplication
+)
+from PyQt6.QtCore import Qt
+from PyQt6.QtGui import QIcon
+from enum import Enum
+
+class DataError(Enum):
+    FORMAT: "format"
+    BLANK: "blank"
+
+
+class PaymentDetailsPage(Page):
+    def __init__(self, page_stack, main_window=None, parent=None):
+        super().__init__("Payment Details", page_stack, main_window, parent)
+        self.update_status = main_window
+        
+        self.fields = {}
+        self.ticketing = False
+        self.create_initial_elements()
+        self.button_reverse.setVisible(True)
+        self.begin_invoice()
+
+
+    def begin_invoice(self):
+        """"Fetches an Invoice from GUI's actions modules"""
+        self.update_status.update_status('Getting Invoice...')
+        self.profile_id = int(self.update_status.current_profile_id)
+
+        if not self.profile_id:
+            self._display_error(whats_wrong=DataError.BLANK, whats_it_called="Profile ID", the_thing=profile_id)
+            return
+
+        # this is not used here, but this is the right place to put it.  Since we should have it by now:
+        self.currency = self._get_currency()
+        if not self.currency:
+            return # error is already displayed in subfunction.
+
+        # launches background thread tasks:
+        gui_starts_invoice(profile_id=self.profile_id, ui_caller=self.receive_invoice)
+
+
+    def create_initial_elements(self):
+        container = QWidget(self)
+        container.setFixedSize(600, 500)
+        main_layout = QVBoxLayout(container)
+        main_layout.setSpacing(15)
+        main_layout.setContentsMargins(30, 30, 30, 30)
+
+        self.title = QLabel("Payment Details")
+        self.title.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        self.title.setStyleSheet("font-size: 20px; font-weight: bold; margin-bottom: 10px;")
+        main_layout.addWidget(self.title)
+
+        # takes field_key (string) instead of field_index (int)
+        def add_info_row(label_text, field_key=None, show_copy=False):
+            row_layout = QHBoxLayout()
+            
+            lbl = QLabel(label_text)
+            lbl.setAlignment(Qt.AlignmentFlag.AlignRight | Qt.AlignmentFlag.AlignVCenter)
+            row_layout.addWidget(lbl)
+
+            if field_key is not None:
+                edit = QLineEdit()
+                edit.setReadOnly(True)
+                edit.setAlignment(Qt.AlignmentFlag.AlignCenter)
+                
+                # Store by name: e.g., self.fields["amount"] = edit_object
+                self.fields[field_key] = edit 
+                
+                row_layout.addWidget(edit)
+
+                if show_copy:
+                    btn = QPushButton()
+                    btn.setFixedSize(40, 40)
+                    btn.setIcon(QIcon(os.path.join(self.btn_path, "paste_button.png")))
+                    # Pass the string key to the copy function
+                    btn.clicked.connect(lambda checked, key=field_key: self.copy_text(key))
+                    row_layout.addWidget(btn)
+            
+            main_layout.addLayout(row_layout)
+
+        # Build the Form using descriptive keys
+        add_info_row("Your new billing ID:", field_key="billing_code", show_copy=True)
+        add_info_row("Duration:", field_key="duration", show_copy=False)
+        add_info_row("Currency:", field_key="currency", show_copy=False)
+        add_info_row("Amount:", field_key="amount", show_copy=True)
+        
+        addr_prompt = QLabel("Hit the icon to copy paste the address:")
+        addr_prompt.setStyleSheet("font-size: 14px;")
+        main_layout.addWidget(addr_prompt)
+        add_info_row("", field_key="address", show_copy=True)
+
+        qr_prompt = QLabel("Hit this icon to Scan the QR code:")
+        qr_prompt.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        main_layout.addWidget(qr_prompt)
+
+        self.qr_code_button = QPushButton()
+        self.qr_code_button.setFixedSize(60, 60)
+        self.qr_code_button.setIcon(QIcon(os.path.join(self.btn_path, "qr-code.png")))
+        self.qr_code_button.clicked.connect(self.show_qr_code)
+        self.qr_code_button.setDisabled(True)
+        
+        qr_container = QHBoxLayout()
+        qr_container.addWidget(self.qr_code_button, alignment=Qt.AlignmentFlag.AlignCenter)
+        main_layout.addLayout(qr_container)
+
+        self.setLayout(main_layout)
+        self.button_reverse.clicked.connect(self.reverse)
+
+
+    def _display_error(self, whats_wrong: DataError, whats_it_called: str, the_thing: Any):
+        # Diagnosis
+        if whats_wrong == DataError.FORMAT:
+            error_msg = f"The {whats_it_called} is in the wrong format"
+            status_update = f'Error: Bad {whats_it_called} Format'
+        elif whats_wrong == DataError.BLANK:
+            error_msg = f"The {whats_it_called} is blank!  But you need a {whats_it_called} to continue!"
+            status_update = f'Error: Blank {whats_it_called}'
+        else:
+            error_msg = f"The {whats_it_called} has unknown errors!"
+            status_update = f'Unknown Error with {whats_it_called}'
+
+        # Display
+        if the_thing and isinstance(the_thing, str):
+            self.show_a_popup(f"{error_msg}: {the_thing}")
+        elif the_thing and isinstance(the_thing, dict):
+            message = the_thing.get('message', "!")
+            self.show_a_popup(f"{error_msg} {message}")
+        else:
+            self.show_a_popup(error_msg)
+        self.update_status.update_status(status_update)
+
+
+    def copy_text(self, key: str):
+        """Copy/Paste feature"""
+        try:
+            # Use the key to determine if we use elided text or the full raw address
+            text = self.full_address if key == "address" else self.fields[key].text()
+            QApplication.clipboard().setText(text)
+            
+            # Descriptive messages based on the key
+            msg_map = {
+                "billing_code": "Billing code copied!",
+                "address": "Address copied!",
+                "amount": "Pay amount copied!"
+            }
+            self.update_status.update_status(msg_map.get(key, "Copied!"))
+            # QTimer.singleShot(2000, lambda: self.update_status.update_status("Ready"))
+        except Exception as e:
+            self.show_a_popup(str(e))
+            self.update_status.update_status('No content available for copying')
+
+
+    @mainthread
+    def receive_invoice(self, invoice_result: Result):
+        """Callback for the background API thread to update the UI"""
+
+        if not invoice_result:
+            self._display_error(whats_wrong=DataError.BLANK, whats_it_called="Backend Invoice Result", the_thing=invoice_result)
+            return
+
+        if not isinstance(invoice_result, Result):
+            self._display_error(whats_wrong=DataError.FORMAT, whats_it_called="Backend Invoice Result", the_thing=invoice_result)
+            return
+
+        if not invoice_result.valid:
+            self.update_status.update_status(str(invoice_result.error_type.value))
+            self.show_a_popup(str(invoice_result.message))
+            return
+
+        # pull the actual invoice out of the result wrapper,
+        invoice = invoice_result.data
+
+        if not invoice:
+            self._display_error(whats_wrong=DataError.BLANK, whats_it_called="invoice", the_thing=invoice)
+            return
+
+        if not isinstance(invoice, SubscriptionInvoice):
+            self._display_error(whats_wrong=DataError.FORMAT, whats_it_called="invoice", the_thing=invoice)
+            return
+
+        self.fill_in_invoice_data(invoice)
+        self.update_status.update_status('Invoice generated. Awaiting payment...')
+
+        # kick off the timer and save the billing id,
+        saved_and_started = save_and_begin_timer(
+            ticketing=self.ticketing,
+            gui_callback=self.timer_updates_gui,
+            billing_code=invoice.billing_code,
+            profile_id=int(self.update_status.current_profile_id),
+            expires_at=invoice.expires_at
+        )
+        if not saved_and_started:
+            self.show_a_popup("The save and start checking if paid did not even begin.  Please see the error logs/")
+            self.update_status.update_status("Could not begin")
+
+
+    def fill_in_invoice_data(self, invoice: SubscriptionInvoice):
+        """Extract and populate invoice data in the labels"""
+
+        # Extract from the already validated object:
+        billing_code = str(invoice.billing_code)
+        duration = str(invoice.expires_at)
+        amount_text = str(invoice.due_amount)
+        self.full_address = str(invoice.address)
+
+        if billing_code:
+            self.fields["billing_code"].setText(billing_code)
+
+        if duration:
+            self.fields["duration"].setText(duration)
+            self.fields["duration"].setStyleSheet('font-size: 13px;')
+
+        if amount_text:
+            self.fields["amount"].setText(amount_text)
+        
+            # Dynamic font sizing for amount
+            font_size = 14
+            if len(amount_text) > 9: font_size = 15
+            if len(amount_text) > 13: font_size = 10
+            self.fields["amount"].setStyleSheet(f"font-size: {font_size}px; font-weight: bold;")
+
+        if self.full_address:
+            metrics = self.fields["address"].fontMetrics()
+            elided_text = metrics.elidedText(
+                self.full_address, 
+                Qt.TextElideMode.ElideMiddle, 
+                self.fields["address"].width()
+            )
+            self.fields["address"].setText(elided_text)
+
+        # Now that we have the data populated, show the QR code:
+        self.qr_code_button.setDisabled(False)
+
+
+    @mainthread
+    def timer_updates_gui(self, paid: bool, stopped: bool, message: str):
+        """Callback for the background thread timer to repeatedly update the UI"""
+
+        if message and isinstance(message, str):
+            self.update_status.update_status(message)
+
+        if paid:
+            self._finish_after_paid()
+
+        if stopped and not paid:
+            self._display_it_stopped(message)
+
+
+    def _finish_after_paid(self):
+        """Last step. Notify the user and potentially navigate away."""
+        self.update_status.update_status('Payment received.')
+
+        # TICKETS
+        if self.ticketing:
+            self.custom_window.navigator.navigate("ticket_prep")
+            prep_page = self.custom_window.navigator.get_cached("ticket_prep")
+            if prep_page:
+                prep_page.start_prep()
+
+
+    def _display_it_stopped(self, message: str):
+        """Notify the user if it's NOT paid, but stopped"""
+        if not message:
+            error_msg = "It stopped checking if it's paid.  Could be a connection timeout or other issue"
+        else:
+            error_msg = f"It stopped checking if it's paid.  {message}"
+        self.update_status.update_status("Timer Stopped")
+        self.show_a_popup(error_msg)
+
+
+    def show_qr_code(self):
+        """Launch an external QR scanning popup screen"""
+        if self.full_address and self.currency:
+            qr_dialog = QRCodeDialog(self.full_address, self.fields["amount"].text(), self.currency.value, self)
+            qr_dialog.exec()
+        else:
+            self.update_status.update_status('No address available for QR code')
+
+
+    def reverse(self):
+        if self.ticketing:
+            self.ticketing = False
+            self.custom_window.navigator.navigate("ticket_crypto_picker")
+        else:
+            self.custom_window.navigator.navigate("currency_selection")
+
+    def _get_currency(self):
+        """Get the currency from prior cached PaymentData"""
+
+        if not self.profile_id or not isinstance(self.profile_id, int):
+            self._display_error(whats_wrong=DataError.FORMAT, whats_it_called="profile_id", the_thing=self.profile_id)
+            
+        billing_data = PaymentData(instance_id=self.profile_id)
+
+        if not billing_data:
+            self._display_error(whats_wrong=DataError.BLANK, whats_it_called="Profile's Billing Data", the_thing=billing_data)
+
+        currency = billing_data.currency
+
+        if not currency:
+            self._display_error(whats_wrong=DataError.BLANK, whats_it_called="currency", the_thing=currency)
+
+        if not isinstance(currency, Currency):
+            self._display_error(whats_wrong=DataError.FORMAT, whats_it_called="currency", the_thing=currency)
+
+        return currency

gui/v2/ui/styles/payment_styles.py

@@ -0,0 +1,56 @@
+
+DURATION_SELECTION_STYLE = """
+    QComboBox {
+        font-size: 16px;
+        padding: 10px;
+        background-color: #000000;
+        color: #00ffff;
+        border: 2px solid #00ffff;
+        border-radius: 8px;
+    }
+    QComboBox::drop-down {
+        width: 30px;
+        background-color: #1a1a1a;
+        border-left: 1px solid #00ffff;
+    }
+    QComboBox::down-arrow {
+        width: 12px;
+        height: 12px;
+        color: #00ffff;
+    }
+    QComboBox QAbstractItemView {
+        background-color: #0a0a0a;
+        border: 1px solid #00ffff;
+        border-radius: 4px;
+        selection-background-color: #003333;
+        selection-color: #00ffff;
+    }
+    QComboBox QAbstractItemView::item {
+        padding: 8px;
+        border: none;
+        color: #00ffff;
+        background-color: #0a0a0a;
+    }
+    QComboBox QAbstractItemView::item:hover {
+        background-color: #1a1a1a;
+        color: #00ffff;
+    }
+    QComboBox QAbstractItemView::item:selected {
+        background-color: #003333;
+        color: #00ffff;
+    }
+"""
+
+
+
+NEXT_BUTTON_STYLE = """
+    QPushButton {
+        font-size: 18px;
+        padding: 10px;
+        border: 2px solid #ccc;
+        border-radius: 10px;
+        background-color: cyan;
+        color: black;
+        font-weight: bold;
+    }
+"""