fix(ui): handle NoneType fstype and remove duplicate code in partitioning page

iridium_installer/ui/pages/partitioning.py

@@ -291,7 +291,7 @@ class PartitioningPage(Adw.Bin):
                 p_size = int(p.get("size", 0))
                 covered_size += p_size
 
-                fstype = p.get("fstype", "").lower()
+                fstype = (p.get("fstype") or "").lower()
                 style = "part-root"
                 if "fat" in fstype or "efi" in fstype:
                     style = "part-efi"
@@ -302,7 +302,7 @@ class PartitioningPage(Adw.Bin):
                     {
                         "type": "partition",
                         "name": p.get("name"),
-                        "filesystem": p.get("fstype", "Unknown"),
+                        "filesystem": p.get("fstype") or "Unknown",
                         "label": p.get("name"),
                         "mount_point": p.get("mountpoint", ""),
                         "size": self.format_size(p_size),
@@ -535,108 +535,3 @@ class PartitioningPage(Adw.Bin):
 
     def get_config(self):
         return {"partitions": self.partitions}
-
-    def load_partitions(self, disk_device=None):
-        self.current_disk_path = disk_device
-        target_disk = None
-
-        try:
-            result = subprocess.run(
-                ["lsblk", "-J", "-b", "-o", "NAME,SIZE,TYPE,FSTYPE,MOUNTPOINT,PKNAME"],
-                capture_output=True,
-                text=True,
-            )
-            if result.returncode == 0:
-                data = json.loads(result.stdout)
-                devices = data.get("blockdevices", [])
-
-                if disk_device:
-                    dev_name = disk_device.replace("/dev/", "")
-                    for dev in devices:
-                        if dev.get("name") == dev_name:
-                            target_disk = dev
-                            break
-
-                if not target_disk and not disk_device:
-                    for dev in devices:
-                        if (
-                            dev.get("type") == "disk"
-                            and not dev.get("name").startswith("zram")
-                            and not dev.get("name").startswith("loop")
-                        ):
-                            target_disk = dev
-                            break
-
-        except Exception as e:
-            print(f"Error loading disks: {e}")
-
-        if target_disk:
-            self.disk_row.set_title(target_disk.get("name", "Unknown Disk"))
-            self.disk_row.set_subtitle(
-                f"Size: {self.format_size(target_disk.get('size', 0))}"
-            )
-
-            raw_parts = target_disk.get("children", [])
-            self.partitions = []
-
-            total_disk_size = int(target_disk.get("size", 0))
-            covered_size = 0
-
-            if raw_parts:
-                for p in raw_parts:
-                    p_size = int(p.get("size", 0))
-                    covered_size += p_size
-
-                    fstype = p.get("fstype", "").lower()
-                    style = "part-root"
-                    if "fat" in fstype or "efi" in fstype:
-                        style = "part-efi"
-                    elif "swap" in fstype:
-                        style = "part-swap"
-
-                    self.partitions.append(
-                        {
-                            "type": "partition",
-                            "name": p.get("name"),
-                            "filesystem": p.get("fstype", "Unknown"),
-                            "label": p.get("name"),
-                            "mount_point": p.get("mountpoint", ""),
-                            "size": self.format_size(p_size),
-                            "bytes": p_size,
-                            "style_class": style,
-                            "expand": False,
-                        }
-                    )
-
-            remaining = total_disk_size - covered_size
-            if remaining > 100 * 1024 * 1024:
-                self.partitions.append(
-                    {
-                        "type": "empty",
-                        "name": "Unallocated",
-                        "size": self.format_size(remaining),
-                        "bytes": remaining,
-                        "style_class": "part-empty",
-                        "expand": False,
-                    }
-                )
-
-            for p in self.partitions:
-                ratio = p["bytes"] / total_disk_size if total_disk_size > 0 else 0
-                width = int(ratio * 800)
-                if width < 50:
-                    width = 50
-                p["width_request"] = width
-
-        else:
-            self.partitions = [
-                {
-                    "type": "empty",
-                    "name": "No Disk Selected",
-                    "size": "-",
-                    "style_class": "part-empty",
-                    "width_request": 300,
-                }
-            ]
-
-        self.refresh_bar()