moving styling and views to be more consistent and for gallery view to be less cumbersome.

2026-01-19 23:41:36 -05:00
parent 41037696bf
commit 96f72718bd
16 changed files with 2447 additions and 75 deletions
@@ -0,0 +1,132 @@
+"""Add app_settings table and expand perceptual_hash to 64 chars for 256-bit hashes
+
+Revision ID: b26011901
+Revises: a46e641430b8
+Create Date: 2026-01-19
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'b26011901'
+down_revision = 'a46e641430b8'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # Create app_settings table
+    op.create_table(
+        'app_settings',
+        sa.Column('id', sa.Integer(), nullable=False),
+        sa.Column('key', sa.String(length=64), nullable=False),
+        sa.Column('value', sa.Text(), nullable=True),
+        sa.Column('updated_at', sa.DateTime(), nullable=True),
+        sa.PrimaryKeyConstraint('id'),
+        sa.UniqueConstraint('key')
+    )
+
+    # Expand perceptual_hash column from 16 to 64 chars
+    bind = op.get_bind()
+    dialect = bind.dialect.name
+
+    if dialect == "sqlite":
+        # SQLite requires table recreation for column type changes.
+        # IMPORTANT: When recreating image_record, we must also recreate
+        # image_tags to preserve foreign key relationships.
+
+        # Step 1: Backup image_tags data
+        op.execute("CREATE TABLE image_tags_backup AS SELECT * FROM image_tags")
+
+        # Step 2: Drop image_tags (it references image_record)
+        op.drop_table("image_tags")
+
+        # Step 3: Recreate image_record with new column size
+        with op.batch_alter_table("image_record", recreate="always") as batch_op:
+            batch_op.alter_column(
+                'perceptual_hash',
+                existing_type=sa.String(length=16),
+                type_=sa.String(length=64),
+                existing_nullable=True
+            )
+
+        # Step 4: Recreate image_tags with proper FK constraints
+        op.create_table(
+            "image_tags",
+            sa.Column("image_id", sa.Integer(), nullable=False),
+            sa.Column("tag_id", sa.Integer(), nullable=False),
+            sa.PrimaryKeyConstraint("image_id", "tag_id"),
+            sa.ForeignKeyConstraint(["image_id"], ["image_record.id"], ondelete="CASCADE"),
+            sa.ForeignKeyConstraint(["tag_id"], ["tag.id"], ondelete="CASCADE"),
+            sa.UniqueConstraint("image_id", "tag_id", name="uq_image_tag"),
+        )
+
+        # Step 5: Restore image_tags data
+        op.execute("INSERT INTO image_tags (image_id, tag_id) SELECT image_id, tag_id FROM image_tags_backup")
+
+        # Step 6: Drop backup table
+        op.drop_table("image_tags_backup")
+    else:
+        # PostgreSQL and others can alter directly
+        op.alter_column(
+            'image_record',
+            'perceptual_hash',
+            existing_type=sa.String(length=16),
+            type_=sa.String(length=64),
+            existing_nullable=True
+        )
+
+
+def downgrade():
+    bind = op.get_bind()
+    dialect = bind.dialect.name
+
+    # Shrink perceptual_hash back to 16 chars (will truncate data!)
+    if dialect == "sqlite":
+        # Same approach as upgrade: backup image_tags, recreate image_record,
+        # then restore image_tags to preserve FK relationships
+
+        # Step 1: Backup image_tags data
+        op.execute("CREATE TABLE image_tags_backup AS SELECT * FROM image_tags")
+
+        # Step 2: Drop image_tags (it references image_record)
+        op.drop_table("image_tags")
+
+        # Step 3: Recreate image_record with old column size
+        with op.batch_alter_table("image_record", recreate="always") as batch_op:
+            batch_op.alter_column(
+                'perceptual_hash',
+                existing_type=sa.String(length=64),
+                type_=sa.String(length=16),
+                existing_nullable=True
+            )
+
+        # Step 4: Recreate image_tags with proper FK constraints
+        op.create_table(
+            "image_tags",
+            sa.Column("image_id", sa.Integer(), nullable=False),
+            sa.Column("tag_id", sa.Integer(), nullable=False),
+            sa.PrimaryKeyConstraint("image_id", "tag_id"),
+            sa.ForeignKeyConstraint(["image_id"], ["image_record.id"], ondelete="CASCADE"),
+            sa.ForeignKeyConstraint(["tag_id"], ["tag.id"], ondelete="CASCADE"),
+            sa.UniqueConstraint("image_id", "tag_id", name="uq_image_tag"),
+        )
+
+        # Step 5: Restore image_tags data
+        op.execute("INSERT INTO image_tags (image_id, tag_id) SELECT image_id, tag_id FROM image_tags_backup")
+
+        # Step 6: Drop backup table
+        op.drop_table("image_tags_backup")
+    else:
+        op.alter_column(
+            'image_record',
+            'perceptual_hash',
+            existing_type=sa.String(length=64),
+            type_=sa.String(length=16),
+            existing_nullable=True
+        )
+
+    # Drop app_settings table
+    op.drop_table('app_settings')