fix tag field types, add unique entry constraint

Author: yedpodtrzitko

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

@@ -5,7 +5,7 @@
 from enum import Enum
 from typing import TYPE_CHECKING, Union, Any
 
-from sqlalchemy import ForeignKey
+from sqlalchemy import ForeignKey, UniqueConstraint
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from .db import Base
@@ -79,6 +79,7 @@ def __eq__(self, value: object) -> bool:
 
 class TagBoxField(Base):
     __tablename__ = "tag_box_fields"
+    __table_args__ = (UniqueConstraint("entry_id", "type", name="uq_entry_id_type"),)
 
     id: Mapped[int] = mapped_column(primary_key=True)
     type: Mapped[TagBoxTypes] = mapped_column(default=TagBoxTypes.tag_box)
@@ -186,9 +187,12 @@ class DefaultField:
     DefaultField(name="Description", class_=TextField, type=TextFieldTypes.text_box),
     DefaultField(name="Notes", class_=TextField, type=TextFieldTypes.text_box),
     DefaultField(name="Comments", class_=TextField, type=TextFieldTypes.text_box),
+    # 11
     DefaultField(name="Tags", class_=TagBoxField, type=TagBoxTypes.tag_box),
-    DefaultField(name="Content Tags", class_=TagBoxField, type=TagBoxTypes.tag_box),
-    DefaultField(name="Meta Tags", class_=TagBoxField, type=TagBoxTypes.tag_box),
+    DefaultField(
+        name="Content Tags", class_=TagBoxField, type=TagBoxTypes.tag_content_box
+    ),
+    DefaultField(name="Meta Tags", class_=TagBoxField, type=TagBoxTypes.meta_tag_box),
     DefaultField(name="Date", class_=DatetimeField, type=DateTimeTypes.datetime),
     DefaultField(
         name="Date Created", class_=DatetimeField, type=DateTimeTypes.datetime

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

@@ -506,41 +506,37 @@ def update_field(
                     raise NotImplementedError
 
     def add_field_to_entry(self, entry: Entry, field_id: int) -> bool:
-        logger.info("adding field to entry", entry=entry, field_id=field_id)
-        # TODO - using entry here directly doesnt work, as it's expunged from session
-        # so the session tries to insert it again which fails
-
         default_field = DEFAULT_FIELDS[field_id]
 
-        logger.info("found field type", field_type=default_field.class_)
-
-        field: Any
-        with Session(self.engine) as session, session.begin():
-            if default_field.class_ == TextField:
-                field = TextField(
-                    name=default_field.name,
-                    type=default_field.type,
-                    value="",
-                    entry_id=entry.id,
-                )
-                # entry.text_fields.append(field)
-            elif default_field.class_ == TagBoxField:
-                field = TagBoxField(
-                    name=default_field.name,
-                    type=default_field.type,
-                    entry_id=entry.id,
-                )
-                # entry.tag_box_fields.append(field)
-            elif default_field.class_ == DatetimeField:
-                field = DatetimeField(
-                    name=default_field.name,
-                    type=default_field.type,
-                    entry_id=entry.id,
-                )
-                # entry.datetime_fields.append(field)
-            else:
-                raise ValueError("Unknown field.")
+        logger.info(
+            "found field type",
+            entry=entry,
+            field_id=field_id,
+            field_type=default_field.class_,
+        )
+
+        field: Any  # make mypy happy
+        if default_field.class_ == TextField:
+            field = TextField(
+                name=default_field.name,
+                type=default_field.type,
+                value="",
+                entry_id=entry.id,
+            )
+        elif default_field.class_ == TagBoxField:
+            field = TagBoxField(
+                name=default_field.name,
+                type=default_field.type,
+                entry_id=entry.id,
+            )
+        elif default_field.class_ == DatetimeField:
+            field = DatetimeField(
+                name=default_field.name,
+                type=default_field.type,
+                entry_id=entry.id,
+            )
 
+        with Session(self.engine) as session:
             try:
                 session.add(field)
                 session.commit()

tagstudio/src/qt/ts_qt.py

@@ -707,6 +707,7 @@ def show_file_extension_modal(self):
             "File Extensions",
             has_save=True,
         )
+
         self.modal.saved.connect(
             lambda: (
                 panel.save(),

tagstudio/src/qt/widgets/preview_panel.py

@@ -42,6 +42,7 @@
 from src.qt.widgets.text_line_edit import EditTextLine
 from src.qt.helpers.qbutton_wrapper import QPushButtonWrapper
 from src.qt.widgets.video_player import VideoPlayer
+from src.core.library.alchemy.library import Library
 
 # Only import for type checking/autocompletion, will not be imported at runtime.
 if typing.TYPE_CHECKING:
@@ -95,7 +96,7 @@ class PreviewPanel(QWidget):
 
     tags_updated = Signal()
 
-    def __init__(self, library, driver: "QtDriver"):
+    def __init__(self, library: Library, driver: "QtDriver"):
         super().__init__()
         self.is_connected = False
         self.lib = library