Add read-only database V2 parser

serato_doctor/models/__init__.py

@@ -1,4 +1,5 @@
 from serato_doctor.models.crate import Crate, CrateKind
+from serato_doctor.models.database import DatabaseTrack, SeratoDatabase
 from serato_doctor.models.duplicate import DuplicateGroup, DuplicateKind
 from serato_doctor.models.filesystem import BrokenSymlink, FilesystemScan
 from serato_doctor.models.health import HealthReport
@@ -10,6 +11,7 @@ from serato_doctor.models.track import DiskTrack
 __all__ = [
     "Crate",
     "CrateKind",
+    "DatabaseTrack",
     "DiskTrack",
     "DuplicateGroup",
     "DuplicateKind",
@@ -19,6 +21,7 @@ __all__ = [
     "Library",
     "MatchEvidence",
     "ReferenceResult",
+    "SeratoDatabase",
     "TrackMatch",
     "TrackReference",
 ]

serato_doctor/models/database.py

@@ -0,0 +1,22 @@
+from dataclasses import dataclass
+from pathlib import Path
+from typing import Optional, Tuple
+
+
+@dataclass(frozen=True)
+class DatabaseTrack:
+    """Read-only metadata extracted from one database V2 track record."""
+
+    path: Path
+    filename: str
+    title: Optional[str] = None
+    artist: Optional[str] = None
+    album: Optional[str] = None
+    genre: Optional[str] = None
+
+
+@dataclass(frozen=True)
+class SeratoDatabase:
+    path: Path
+    version: Optional[str]
+    tracks: Tuple[DatabaseTrack, ...]

serato_doctor/models/health.py

@@ -25,6 +25,12 @@ class HealthReport:
     smart_crate_containers: int
     unknown_crates: int
     dynamic_references_excluded: int
+    database_present: bool
+    database_entries: int
+    database_library_matches: int
+    database_unmatched_entries: int
+    tracks_missing_from_database: int
+    duplicate_database_paths: int
 
     @property
     def score_basis(self) -> str:

serato_doctor/models/library.py

@@ -1,7 +1,8 @@
 from dataclasses import dataclass
-from typing import Iterable, Tuple
+from typing import Iterable, Optional, Tuple
 
 from serato_doctor.models.crate import Crate
+from serato_doctor.models.database import SeratoDatabase
 from serato_doctor.models.filesystem import BrokenSymlink
 from serato_doctor.models.reference import ReferenceResult, TrackReference
 from serato_doctor.models.track import DiskTrack
@@ -15,6 +16,7 @@ class Library:
     tracks: Tuple[DiskTrack, ...]
     crates: Tuple[Crate, ...] = ()
     broken_symlinks: Tuple[BrokenSymlink, ...] = ()
+    database: Optional[SeratoDatabase] = None
 
     @classmethod
     def build(
@@ -22,11 +24,13 @@ class Library:
         references: Iterable[TrackReference],
         tracks: Iterable[DiskTrack],
         broken_symlinks: Iterable[BrokenSymlink] = (),
+        database: Optional[SeratoDatabase] = None,
     ) -> "Library":
         return cls(
             tuple(references),
             tuple(tracks),
             broken_symlinks=tuple(broken_symlinks),
+            database=database,
         )
 
     @classmethod
@@ -35,6 +39,7 @@ class Library:
         crates: Iterable[Crate],
         tracks: Iterable[DiskTrack],
         broken_symlinks: Iterable[BrokenSymlink] = (),
+        database: Optional[SeratoDatabase] = None,
     ) -> "Library":
         crate_tuple = tuple(crates)
         references = tuple(
@@ -47,6 +52,7 @@ class Library:
             tuple(tracks),
             crate_tuple,
             tuple(broken_symlinks),
+            database,
         )
 
     def reconcile_by_filename(self) -> Tuple[ReferenceResult, ...]: