migration for tags and languages

app/models.py

@@ -1294,6 +1294,33 @@ class Site(db.Model):
         return User.query.filter_by(deleted=False, banned=False).join(user_role).filter(user_role.c.role_id == 4).all()
 
 
+class Tag(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    name = db.Column(db.String(256))
+
+
+class Language(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    code = db.Column(db.String(5), index=True)
+    name = db.Column(db.String(50))
+
+
+post_language = db.Table('post_language', db.Column('post_id', db.Integer, db.ForeignKey('post.id')),
+                                          db.Column('language_id', db.Integer, db.ForeignKey('language.id')),
+                                          db.PrimaryKeyConstraint('post_id', 'language_id')
+                        )
+
+community_language = db.Table('community_language', db.Column('community_id', db.Integer, db.ForeignKey('community.id')),
+                                          db.Column('language_id', db.Integer, db.ForeignKey('language.id')),
+                                          db.PrimaryKeyConstraint('community_id', 'language_id')
+                        )
+
+post_tag = db.Table('post_tag', db.Column('post_id', db.Integer, db.ForeignKey('post.id')),
+                                          db.Column('tag_id', db.Integer, db.ForeignKey('tag.id')),
+                                          db.PrimaryKeyConstraint('post_id', 'tag_id')
+                        )
+
+
 @login.user_loader
 def load_user(id):
     return User.query.get(int(id))

migrations/versions/fd2af23f4b1f_tags_and_languages.py

@@ -0,0 +1,69 @@
+"""tags and languages
+
+Revision ID: fd2af23f4b1f
+Revises: 91a931afd6d9
+Create Date: 2024-04-16 21:15:07.225254
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'fd2af23f4b1f'
+down_revision = '91a931afd6d9'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('language',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('code', sa.String(length=5), nullable=True),
+    sa.Column('name', sa.String(length=50), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    with op.batch_alter_table('language', schema=None) as batch_op:
+        batch_op.create_index(batch_op.f('ix_language_code'), ['code'], unique=False)
+
+    op.create_table('tag',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('name', sa.String(length=256), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('community_language',
+    sa.Column('community_id', sa.Integer(), nullable=False),
+    sa.Column('language_id', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['community_id'], ['community.id'], ),
+    sa.ForeignKeyConstraint(['language_id'], ['language.id'], ),
+    sa.PrimaryKeyConstraint('community_id', 'language_id')
+    )
+    op.create_table('post_language',
+    sa.Column('post_id', sa.Integer(), nullable=False),
+    sa.Column('language_id', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['language_id'], ['language.id'], ),
+    sa.ForeignKeyConstraint(['post_id'], ['post.id'], ),
+    sa.PrimaryKeyConstraint('post_id', 'language_id')
+    )
+    op.create_table('post_tag',
+    sa.Column('post_id', sa.Integer(), nullable=False),
+    sa.Column('tag_id', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['post_id'], ['post.id'], ),
+    sa.ForeignKeyConstraint(['tag_id'], ['tag.id'], ),
+    sa.PrimaryKeyConstraint('post_id', 'tag_id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('post_tag')
+    op.drop_table('post_language')
+    op.drop_table('community_language')
+    op.drop_table('tag')
+    with op.batch_alter_table('language', schema=None) as batch_op:
+        batch_op.drop_index(batch_op.f('ix_language_code'))
+
+    op.drop_table('language')
+    # ### end Alembic commands ###