developer

migrations/README

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+Single-database configuration for Flask.

migrations/alembic.ini

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+# A generic, single database configuration.
+
+[alembic]
+# template used to generate migration files
+# file_template = %%(rev)s_%%(slug)s
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+
+# Logging configuration
+[loggers]
+keys = root,sqlalchemy,alembic,flask_migrate
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[logger_flask_migrate]
+level = INFO
+handlers =
+qualname = flask_migrate
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S

migrations/env.py

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+import logging
+from logging.config import fileConfig
+
+from flask import current_app
+
+from alembic import context
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+fileConfig(config.config_file_name)
+logger = logging.getLogger('alembic.env')
+
+
+def get_engine():
+    try:
+        # this works with Flask-SQLAlchemy<3 and Alchemical
+        return current_app.extensions['migrate'].db.get_engine()
+    except (TypeError, AttributeError):
+        # this works with Flask-SQLAlchemy>=3
+        return current_app.extensions['migrate'].db.engine
+
+
+def get_engine_url():
+    try:
+        return get_engine().url.render_as_string(hide_password=False).replace(
+            '%', '%%')
+    except AttributeError:
+        return str(get_engine().url).replace('%', '%%')
+
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+config.set_main_option('sqlalchemy.url', get_engine_url())
+target_db = current_app.extensions['migrate'].db
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def get_metadata():
+    if hasattr(target_db, 'metadatas'):
+        return target_db.metadatas[None]
+    return target_db.metadata
+
+
+def run_migrations_offline():
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url, target_metadata=get_metadata(), literal_binds=True
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online():
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+
+    # this callback is used to prevent an auto-migration from being generated
+    # when there are no changes to the schema
+    # reference: http://alembic.zzzcomputing.com/en/latest/cookbook.html
+    def process_revision_directives(context, revision, directives):
+        if getattr(config.cmd_opts, 'autogenerate', False):
+            script = directives[0]
+            if script.upgrade_ops.is_empty():
+                directives[:] = []
+                logger.info('No changes in schema detected.')
+
+    conf_args = current_app.extensions['migrate'].configure_args
+    if conf_args.get("process_revision_directives") is None:
+        conf_args["process_revision_directives"] = process_revision_directives
+
+    connectable = get_engine()
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection,
+            target_metadata=get_metadata(),
+            **conf_args
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

migrations/script.py.mako

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+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+
+def upgrade():
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade():
+    ${downgrades if downgrades else "pass"}

migrations/versions/1a2565240ff7_.py

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+"""empty message
+
+Revision ID: 1a2565240ff7
+Revises: 
+Create Date: 2025-03-03 08:59:52.362596
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '1a2565240ff7'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('smartphones',
+    sa.Column('smartphone_id', sa.Integer(), nullable=False),
+    sa.Column('modelo', sa.String(length=150), nullable=False),
+    sa.Column('pantalla', sa.String(length=150), nullable=False),
+    sa.Column('procesador', sa.String(length=150), nullable=False),
+    sa.Column('memoria_ram', sa.String(length=150), nullable=False),
+    sa.Column('almacenamiento', sa.String(length=150), nullable=False),
+    sa.Column('camara', sa.String(length=150), nullable=False),
+    sa.Column('bateria', sa.String(length=150), nullable=False),
+    sa.Column('precio', sa.String(length=50), nullable=False),
+    sa.Column('conectividad', sa.String(length=150), nullable=False),
+    sa.Column('colores', sa.JSON(), nullable=False),
+    sa.Column('descripcion', sa.String(length=300), nullable=False),
+    sa.Column('imagen', sa.JSON(), nullable=True),
+    sa.PrimaryKeyConstraint('smartphone_id')
+    )
+    op.create_table('user',
+    sa.Column('user_id', sa.Integer(), nullable=False),
+    sa.Column('name', sa.String(length=50), nullable=False),
+    sa.Column('lastname', sa.String(length=75), nullable=False),
+    sa.Column('email', sa.String(length=75), nullable=False),
+    sa.Column('password', sa.String(length=50), nullable=False),
+    sa.Column('confirm_password', sa.String(length=50), nullable=False),
+    sa.Column('username', sa.String(length=50), nullable=False),
+    sa.Column('birthday_date', sa.String(length=15), nullable=False),
+    sa.Column('is_active', sa.Boolean(), nullable=False),
+    sa.Column('is_admin', sa.Boolean(), nullable=False),
+    sa.PrimaryKeyConstraint('user_id'),
+    sa.UniqueConstraint('birthday_date'),
+    sa.UniqueConstraint('email'),
+    sa.UniqueConstraint('username')
+    )
+    op.create_table('cart',
+    sa.Column('cart_id', sa.Integer(), nullable=False),
+    sa.Column('model', sa.String(length=150), nullable=False),
+    sa.Column('price', sa.String(length=25), nullable=False),
+    sa.Column('monto', sa.String(length=35), nullable=False),
+    sa.Column('smartphones_id', sa.Integer(), nullable=True),
+    sa.Column('user_id', sa.Integer(), nullable=True),
+    sa.ForeignKeyConstraint(['smartphones_id'], ['smartphones.smartphone_id'], ),
+    sa.ForeignKeyConstraint(['user_id'], ['user.user_id'], ),
+    sa.PrimaryKeyConstraint('cart_id')
+    )
+    op.create_table('laptops',
+    sa.Column('laptop_id', sa.Integer(), nullable=False),
+    sa.Column('marca', sa.String(length=150), nullable=False),
+    sa.Column('modelo', sa.String(length=150), nullable=False),
+    sa.Column('pantalla', sa.String(length=150), nullable=False),
+    sa.Column('procesador', sa.String(length=150), nullable=False),
+    sa.Column('modelo_cpu', sa.String(length=150), nullable=False),
+    sa.Column('sistema_operativo', sa.String(length=150), nullable=False),
+    sa.Column('memoria_ram', sa.String(length=150), nullable=False),
+    sa.Column('almacenamiento', sa.String(length=300), nullable=False),
+    sa.Column('camara', sa.String(length=150), nullable=False),
+    sa.Column('bateria', sa.String(length=150), nullable=False),
+    sa.Column('precio', sa.String(length=50), nullable=False),
+    sa.Column('tecnologia', sa.String(length=150), nullable=False),
+    sa.Column('colores', sa.JSON(), nullable=False),
+    sa.Column('descripcion', sa.String(length=300), nullable=False),
+    sa.Column('imagen', sa.JSON(), nullable=False),
+    sa.Column('cart_id', sa.Integer(), nullable=True),
+    sa.ForeignKeyConstraint(['cart_id'], ['cart.cart_id'], ),
+    sa.PrimaryKeyConstraint('laptop_id')
+    )
+    op.create_table('tv',
+    sa.Column('tv_id', sa.Integer(), nullable=False),
+    sa.Column('marca', sa.String(length=150), nullable=False),
+    sa.Column('contenido_de_la_caja', sa.String(length=150), nullable=False),
+    sa.Column('modelo', sa.String(length=150), nullable=False),
+    sa.Column('usos_recomendados', sa.String(length=150), nullable=False),
+    sa.Column('año_modelo', sa.String(length=50), nullable=False),
+    sa.Column('fabricante', sa.String(length=150), nullable=False),
+    sa.Column('precio', sa.String(length=50), nullable=False),
+    sa.Column('descripcion', sa.String(length=300), nullable=False),
+    sa.Column('pantalla', sa.String(length=150), nullable=False),
+    sa.Column('conectividad', sa.String(length=150), nullable=False),
+    sa.Column('medidas', sa.String(length=50), nullable=False),
+    sa.Column('imagen', sa.JSON(), nullable=False),
+    sa.Column('cart_id', sa.Integer(), nullable=True),
+    sa.ForeignKeyConstraint(['cart_id'], ['cart.cart_id'], ),
+    sa.PrimaryKeyConstraint('tv_id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('tv')
+    op.drop_table('laptops')
+    op.drop_table('cart')
+    op.drop_table('user')
+    op.drop_table('smartphones')
+    # ### end Alembic commands ###

migrations/versions/60c91321df87_.py

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+"""empty message
+
+Revision ID: 60c91321df87
+Revises: 1a2565240ff7
+Create Date: 2025-03-03 09:00:46.823782
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '60c91321df87'
+down_revision = '1a2565240ff7'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('user', schema=None) as batch_op:
+        batch_op.add_column(sa.Column('address', sa.String(length=50), nullable=False))
+        batch_op.drop_column('confirm_password')
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('user', schema=None) as batch_op:
+        batch_op.add_column(sa.Column('confirm_password', sa.VARCHAR(length=50), autoincrement=False, nullable=False))
+        batch_op.drop_column('address')
+
+    # ### end Alembic commands ###

src/api/admin.py

@@ -1,7 +1,7 @@
 
 import os
 from flask_admin import Admin
-from .models import db, User
+from .models import db, User, Smartphones
 from flask_admin.contrib.sqla import ModelView
 
 def setup_admin(app):
@@ -12,6 +12,7 @@ def setup_admin(app):
 
     # Add your models here, for example this is how we add a the User model to the admin
     admin.add_view(ModelView(User, db.session))
+    admin.add_view(ModelView(Smartphones, db.session))
 
     # You can duplicate that line to add mew models
     # admin.add_view(ModelView(YourModelName, db.session))