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maziggy
a837a3acbd
files + unify file_type classification across ingest paths #1600: external-folder sliced outputs landed with no thumbnail. Cause: four backend ingest paths classified LibraryFile.file_type differently for the same .gcode.3mf family. upload / ZIP-extract / in-process used os.path.splitext()[1] which returns .3mf for foo.gcode.3mf and stored file_type="3mf", matching the thumbnail-extraction gate at library.py:1467 (file_type == "3mf"). External-folder scan explicitly detected the compound and stored file_type="gcode.3mf" — preserving "sliced output" identity — but then skipped both the "3mf" gate and the "gcode" gate, so the file landed with thumbnail_path = None. Same compound-extension drift that bit #1543 in the 3D preview, in a surface that audit didn't trace back to. Unified fix: - New classify_file_type(filename) helper in routes/library.py is the single source of truth. Returns "gcode.3mf" for sliced outputs and ext[1:] otherwise. - Applied to every ingest path: upload (line 1704), ZIP-extract (1998), external-folder scan (the bug site — the manual compound check is replaced), and in-process save_3mf_from_bytes (471, used by MakerWorld import). - External-scan thumbnail gate widened to `if file_type in ("3mf", "gcode.3mf"):` — a .gcode.3mf IS a 3MF zip with Metadata/plate_1.png; ThreeMFParser doesn't care about the trailing extension. - gcode-download endpoint at GET /library/files/{id}/gcode had the same drift in reverse: gate was `elif file.file_type == "3mf":` so a row stored with file_type="gcode.3mf" (the external-scan path's pre-unification behaviour, and the canonical going forward) got rejected with HTTP 400. Widened to the same compound-aware tuple. One-shot DB migration in core/database.py::run_migrations backfills existing legacy rows: UPDATE library_files SET file_type = 'gcode.3mf' WHERE file_type = '3mf' AND LOWER(filename) LIKE '%.gcode.3mf' Idempotent (post-update rows no longer match the file_type='3mf' predicate, so re-runs at every boot are no-ops) and dialect-neutral (LOWER + LIKE are identical under SQLite and Postgres). Without the backfill, users would have a permanent split state: old uploads at '3mf', new uploads at 'gcode.3mf' — which would double-bucket sliced outputs in the dashboard stats query at line 4615 and show two entries in the file-manager filter dropdown for the same conceptual type. Frontend untouched. FileManagerPage.tsx and ProjectDetailPage.tsx already accept both '3mf' and 'gcode.3mf' per the #1543 fix. After the migration the DB only contains canonical values, so the legacy '3mf' branches in the frontend become dead code for sliced files — they stay as defence-in-depth in case any future ingest path I missed reverts to the legacy classifier.