add pre script to check if webapp changed and auto compile

.gitignore

@@ -7,4 +7,5 @@
 platformio-device-monitor*.log
 logs/device-monitor*.log
 platformio_override.ini
+.webapp_hashes.pkl
 .DS_Store

pio-scripts/compile_webapp.py

@@ -0,0 +1,76 @@
+import os
+import hashlib
+import pickle
+import subprocess
+
+# Funktion zur Berechnung des Hash-Werts einer Datei
+def calculate_hash(file_path):
+    hasher = hashlib.md5()
+    with open(file_path, 'rb') as f:
+        buf = f.read()
+        hasher.update(buf)
+    return hasher.hexdigest()
+
+# Funktion zur Überprüfung der Dateien in einem Ordner
+def check_files(directory, hash_file):
+    file_hashes = {}
+
+    # Alle Dateien im Ordner und Unterordner durchsuchen
+    for root, dirs, files in os.walk(directory):
+        for file in files:
+            file_path = os.path.join(root, file)
+            file_hashes[file_path] = calculate_hash(file_path)
+
+    # Laden der vorherigen Hash-Werte
+    if os.path.exists(hash_file):
+        with open(hash_file, 'rb') as f:
+            old_file_hashes = pickle.load(f)
+    else:
+        old_file_hashes = {}
+
+    changed = False
+    # Vergleich der aktuellen Hash-Werte mit den vorherigen
+    for file_path, file_hash in file_hashes.items():
+        if file_path not in old_file_hashes or old_file_hashes[file_path] != file_hash:
+            changed = True
+            break
+
+    if not changed:
+        print("No changes detected.")
+    else:
+        print(f"webapp changed.")
+        execute_command(directory)
+
+    # Speichern der aktuellen Hash-Werte
+    with open(hash_file, 'wb') as f:
+        pickle.dump(file_hashes, f)
+
+# Funktion zur Ausführung eines Befehls
+def execute_command(directory):
+    print("Webapp changed, rebuilding...")
+    # change working directory
+    print(f"Changing directory to: {directory}")
+    os.chdir(directory)
+    # Run yarn install
+    result = subprocess.run(["yarn", "install"], shell=True)
+    if result.returncode != 0:
+        print("Error during yarn install.")
+        return
+    # Run yarn build
+    result = subprocess.run(["yarn", "build"], shell=True, capture_output=True, text=True)
+    if result.returncode != 0:
+        print("Error during yarn build:")
+        print(result.stdout)
+        print(result.stderr)
+    else:
+        print("Build completed successfully.")
+    # move back to old directory
+    os.chdir("..")
+
+# Pfad zum Ordner und zur Hash-Datei
+directory = 'webapp'
+hash_file = ".webapp_hashes.pkl"
+
+# Überprüfung der Dateien
+print("checke webapp")
+check_files(directory, hash_file)

platformio.ini

@@ -50,6 +50,7 @@ lib_deps =
     plerup/EspSoftwareSerial @ ^8.2.0
 
 extra_scripts =
+    pre:pio-scripts/compile_webapp.py
     pre:pio-scripts/auto_firmware_version.py
     pre:pio-scripts/patch_apply.py
     post:pio-scripts/create_factory_bin.py