feat: add date columns to the entries table (#740)

* feat: add date_created, date_modified, and date_added columns to entries table

* feat: start storing date_added dates

Author: CyanVoxel

tagstudio/src/core/enums.py

@@ -71,4 +71,4 @@ class LibraryPrefs(DefaultEnum):
     IS_EXCLUDE_LIST = True
     EXTENSION_LIST: list[str] = [".json", ".xmp", ".aae"]
     PAGE_SIZE: int = 500
-    DB_VERSION: int = 4
+    DB_VERSION: int = 5

tagstudio/src/core/library/alchemy/library.py

@@ -230,6 +230,7 @@ def migrate_json_to_sqlite(self, json_lib: JsonLibrary):
                     folder=folder,
                     fields=[],
                     id=entry.id + 1,  # JSON IDs start at 0 instead of 1
+                    date_added=datetime.now(),
                 )
                 for entry in json_lib.entries
             ]

tagstudio/src/core/library/alchemy/models.py

@@ -2,6 +2,7 @@
 # Licensed under the GPL-3.0 License.
 # Created for TagStudio: https://github.com/CyanVoxel/TagStudio
 
+import datetime as dt
 from pathlib import Path
 
 from sqlalchemy import JSON, ForeignKey, ForeignKeyConstraint, Integer, event
@@ -181,6 +182,9 @@ class Entry(Base):
 
     path: Mapped[Path] = mapped_column(PathType, unique=True)
     suffix: Mapped[str] = mapped_column()
+    date_created: Mapped[dt.datetime | None]
+    date_modified: Mapped[dt.datetime | None]
+    date_added: Mapped[dt.datetime | None]
 
     tags: Mapped[set[Tag]] = relationship(secondary="tag_entries")
 
@@ -215,12 +219,23 @@ def __init__(
         folder: Folder,
         fields: list[BaseField],
         id: int | None = None,
+        date_created: dt.datetime | None = None,
+        date_modified: dt.datetime | None = None,
+        date_added: dt.datetime | None = None,
     ) -> None:
         self.path = path
         self.folder = folder
         self.id = id
         self.suffix = path.suffix.lstrip(".").lower()
 
+        # The date the file associated with this entry was created.
+        # st_birthtime on Windows and Mac, st_ctime on Linux.
+        self.date_created = date_created
+        # The date the file associated with this entry was last modified: st_mtime.
+        self.date_modified = date_modified
+        # The date this entry was added to the library.
+        self.date_added = date_added
+
         for field in fields:
             if isinstance(field, TextField):
                 self.text_fields.append(field)

tagstudio/src/core/utils/refresh_dir.py

@@ -1,3 +1,4 @@
+import datetime as dt
 from collections.abc import Iterator
 from dataclasses import dataclass, field
 from pathlib import Path
@@ -41,6 +42,7 @@ def save_new_files(self):
                     path=entry_path,
                     folder=self.library.folder,
                     fields=[],
+                    date_added=dt.datetime.now(),
                 )
                 for entry_path in self.files_not_in_library
             ]