major refactoring and decupling of frontend and logic

Author: tsterbak

openandroidinstaller/app_state.py

@@ -0,0 +1,71 @@
+"""This file contains a class and function to manage the app state over various steps."""
+
+# This file is part of OpenAndroidInstaller.
+# OpenAndroidInstaller is free software: you can redistribute it and/or modify it under the terms of
+# the GNU General Public License as published by the Free Software Foundation,
+# either version 3 of the License, or (at your option) any later version.
+
+# OpenAndroidInstaller is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License along with OpenAndroidInstaller.
+# If not, see <https://www.gnu.org/licenses/>."""
+# Author: Tobias Sterbak
+
+from pathlib import Path
+
+from flet import ProgressBar
+from installer_config import _load_config
+from loguru import logger
+
+
+class AppState:
+    """Container class to store the state of the application."""
+
+    def __init__(
+        self,
+        platform: str,
+        config_path: Path,
+        bin_path: Path,
+        progressbar: ProgressBar,
+        num_steps: int,
+        test: bool = False,
+        test_config: str = None,
+    ):
+        self.platform = platform
+        self.config_path = config_path
+        self.bin_path = bin_path
+        self.progressbar = progressbar
+        self.num_steps = num_steps  # keep track of the steps already taken
+        self.test = test
+        self.test_config = test_config
+
+        # initialize the progress bar at 0
+        self.progressbar.value = 0
+
+        # placeholders
+        self.config = None
+        self.image_path = None
+        self.recovery_path = None
+
+        # is this still needed?
+        self.steps = None
+
+    def load_config(self, device_code: str):
+        """Load the config from file to state by device code."""
+        self.config = _load_config(device_code, self.config_path)
+        if self.config:
+            self.steps = (
+                self.config.unlock_bootloader
+                + self.config.flash_recovery
+                + self.config.install_os
+            )
+            self.num_total_steps = len(self.steps)
+
+    def increment_progressbar(self):
+        """Increment the progressbar and step counter."""
+        self.progressbar.value = (self.num_steps - 1) / (
+            self.num_total_steps + 2
+        )  # don't show on the first step
+        self.num_steps += 1  # increase the step counter

openandroidinstaller/installer_config.py

@@ -15,11 +15,11 @@
 
 from pathlib import Path
 from typing import List, Optional
-import schema
-from schema import Regex, Schema, SchemaError
 
+import schema
 import yaml
 from loguru import logger
+from schema import Regex, Schema, SchemaError
 
 
 class Step: