Phase 2: PS1 library scan, settings, conversion queue, and PS1 tab

app/transfers.py

@@ -6,6 +6,7 @@ archives, a remote HTTPS store server, etc.
 import json
 import logging
 import os
+import re
 import shutil
 import tempfile
 import urllib.parse
@@ -200,6 +201,53 @@ class FileCopySource(Source):
         return dest
 
 
+class Ps1ConvertSource(Source):
+    """Convert a PS1 disc image (.cue/.iso) into an EBOOT.PBP.
+
+    ``item`` must carry ``source`` (path to the .cue or single image),
+    ``title`` and ``game_id``. ``base_pbp`` is a PSN PS1 classic EBOOT used to
+    supply the encrypted DATA.PSP loader and STARTDAT block.
+    """
+
+    label = "PS1 convert"
+
+    def __init__(self, base_pbp):
+        self.base_pbp = Path(base_pbp)
+
+    def scan(self, root=None):
+        return []
+
+    def download(self, item, dest_dir, progress_cb=None, cancel_event=None):
+        dest_dir = Path(dest_dir)
+        dest_dir.mkdir(parents=True, exist_ok=True)
+
+        source = Path(item["source"])
+        title = str(item.get("title") or source.stem)
+        game_id = item.get("game_id")
+        if not game_id:
+            raise RuntimeError("missing game_id for PS1 conversion")
+
+        safe = re.sub(r'[<>:"/\\|?*]', " ", title).strip() or "PS1 game"
+        out_path = dest_dir / f"{safe} ({game_id}).pbp"
+        if out_path.exists():
+            raise FileExistsError(str(out_path))
+
+        def cb(done, total):
+            if progress_cb is not None and total:
+                progress_cb("Converting", min(done / total, 1.0), "")
+
+        from . import ps1_convert
+
+        try:
+            ps1_convert.convert(
+                source, title, game_id, self.base_pbp, out_path,
+                progress_cb=cb, cancel_event=cancel_event,
+            )
+        except ps1_convert.Cancelled:
+            raise TransferCancelled() from None
+        return out_path
+
+
 class TreeCopySource(Source):
     """Copy a whole directory (save-data folder) into a destination directory."""