update

AzA march 2026 - Kopie (18)/desktop_update_check.py

@@ -0,0 +1,126 @@
+import os
+import sys
+import tempfile
+import webbrowser
+
+import requests
+from aza_version import APP_CHANNEL, APP_VERSION
+
+UPDATE_MANIFEST_URL = "https://api.aza-medwork.ch/download/version.json"
+_MIN_INSTALLER_BYTES = 1_000_000
+
+
+def _is_newer_version(latest: str, current: str) -> bool:
+    def parse(v: str):
+        parts = []
+        for p in str(v).strip().split("."):
+            try:
+                parts.append(int(p))
+            except Exception:
+                parts.append(0)
+        while len(parts) < 3:
+            parts.append(0)
+        return tuple(parts[:3])
+
+    return parse(latest) > parse(current)
+
+
+def check_for_updates():
+    try:
+        r = requests.get(UPDATE_MANIFEST_URL, timeout=4)
+        if r.status_code != 200:
+            return None
+
+        data = r.json()
+        latest = str(data.get("version") or "").strip()
+        channel = str(data.get("channel") or "stable").strip()
+        download_url = str(data.get("download_url") or "").strip()
+
+        if channel != APP_CHANNEL:
+            return None
+
+        if latest and _is_newer_version(latest, APP_VERSION):
+            return {
+                "update_available": True,
+                "latest_version": latest,
+                "download_url": download_url,
+            }
+
+        return None
+    except Exception:
+        return None
+
+
+def _download_installer(download_url: str) -> str | None:
+    """Downloads installer to TEMP. Returns path on success, None on failure."""
+    try:
+        target = os.path.join(tempfile.gettempdir(), "aza_desktop_setup_latest.exe")
+        with requests.get(download_url, stream=True, timeout=60) as r:
+            if r.status_code != 200:
+                return None
+            with open(target, "wb") as f:
+                for chunk in r.iter_content(chunk_size=512 * 1024):
+                    if chunk:
+                        f.write(chunk)
+        if os.path.isfile(target) and os.path.getsize(target) >= _MIN_INSTALLER_BYTES:
+            return target
+        return None
+    except Exception:
+        return None
+
+
+def prompt_update_if_available():
+    """Prueft auf Update, zeigt Dialog, laedt Installer herunter und startet ihn."""
+    info = check_for_updates()
+    if not info or not info.get("update_available"):
+        return
+
+    download_url = info.get("download_url", "")
+    latest_version = info.get("latest_version", "")
+
+    try:
+        import tkinter as tk
+        from tkinter import messagebox
+
+        root = tk.Tk()
+        root.withdraw()
+
+        answer = messagebox.askyesno(
+            "Update verfuegbar",
+            f"AZA {latest_version} ist verfuegbar.\n\n"
+            f"Ihre Version: {APP_VERSION}\n\n"
+            "Moechten Sie das Update jetzt installieren?",
+            parent=root,
+        )
+
+        if not answer:
+            root.destroy()
+            return
+
+        root.destroy()
+
+        installer_path = _download_installer(download_url)
+
+        if installer_path:
+            os.startfile(installer_path)
+            sys.exit(0)
+
+        _root2 = tk.Tk()
+        _root2.withdraw()
+        retry = messagebox.askyesno(
+            "Download fehlgeschlagen",
+            "Das Update konnte nicht heruntergeladen werden.\n\n"
+            "Moechten Sie die Download-Seite im Browser oeffnen?",
+            parent=_root2,
+        )
+        if retry and download_url:
+            webbrowser.open(download_url)
+        _root2.destroy()
+
+    except Exception:
+        pass
+
+
+if __name__ == "__main__":
+    result = check_for_updates()
+    print(result)