add transfer note models

ereuse_devicehub/inventory/models.py

@@ -1,7 +1,7 @@
 from uuid import uuid4
 
 from citext import CIText
-from sqlalchemy import Column
+from sqlalchemy import Column, Integer
 from sqlalchemy.dialects.postgresql import UUID
 from sqlalchemy.orm import backref, relationship
 from teal.db import CASCADE_OWN
@@ -23,8 +23,8 @@ class Transfer(Thing):
     description = Column(CIText(), default='', nullable=True)
     lot_id = db.Column(
         UUID(as_uuid=True),
-        db.ForeignKey('lot.id', use_alter=True, name='lot_trade'),
-        nullable=True,
+        db.ForeignKey('lot.id', use_alter=True, name='lot_transfer'),
+        nullable=False,
     )
     lot = relationship(
         'Lot',
@@ -42,3 +42,33 @@ class Transfer(Thing):
             return True
 
         return False
+
+
+class Notes(Thing):
+    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid4)
+    number = Column(CIText(), default='', nullable=False)
+    date = Column(db.TIMESTAMP(timezone=True))
+    units = Column(Integer, default=0)
+    weight = Column(Integer, default=0)
+
+    transfer_id = db.Column(
+        UUID(as_uuid=True),
+        db.ForeignKey('transfer.id'),
+        nullable=False,
+    )
+
+
+class DeliveryNote(Notes):
+    transfer = relationship(
+        'Transfer',
+        backref=backref('delivery_note', lazy=True, uselist=False, cascade=CASCADE_OWN),
+        primaryjoin='Notes.transfer_id == Transfer.id',
+    )
+
+
+class ReceiverNote(Notes):
+    transfer = relationship(
+        'Transfer',
+        backref=backref('receiver_note', lazy=True, uselist=False, cascade=CASCADE_OWN),
+        primaryjoin='Notes.transfer_id == Transfer.id',
+    )

ereuse_devicehub/migrations/versions/dac62da1621a_transfer_notes.py

@@ -0,0 +1,158 @@
+"""transfer notes
+
+Revision ID: dac62da1621a
+Revises: 054a3aea9f08
+Create Date: 2022-06-03 12:04:39.486276
+
+"""
+import citext
+import sqlalchemy as sa
+from alembic import context, op
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = 'dac62da1621a'
+down_revision = '054a3aea9f08'
+branch_labels = None
+depends_on = None
+
+
+def get_inv():
+    INV = context.get_x_argument(as_dictionary=True).get('inventory')
+    if not INV:
+        raise ValueError("Inventory value is not specified")
+    return INV
+
+
+def upgrade():
+    # creating delivery note table
+    op.create_table(
+        'delivery_note',
+        sa.Column(
+            'updated',
+            sa.TIMESTAMP(timezone=True),
+            server_default=sa.text('CURRENT_TIMESTAMP'),
+            nullable=False,
+        ),
+        sa.Column(
+            'created',
+            sa.TIMESTAMP(timezone=True),
+            server_default=sa.text('CURRENT_TIMESTAMP'),
+            nullable=False,
+        ),
+        sa.Column('id', postgresql.UUID(as_uuid=True), nullable=False),
+        sa.Column('date', sa.TIMESTAMP(timezone=True), nullable=True),
+        sa.Column('number', citext.CIText(), nullable=True),
+        sa.Column('weight', sa.Integer(), nullable=True),
+        sa.Column('units', sa.Integer(), nullable=True),
+        sa.Column('transfer_id', postgresql.UUID(as_uuid=True), nullable=False),
+        sa.ForeignKeyConstraint(['transfer_id'], [f'{get_inv()}.transfer.id']),
+        sa.PrimaryKeyConstraint('id'),
+        schema=f'{get_inv()}',
+    )
+
+    # creating index
+    op.create_index(
+        op.f('ix_delivery_note_created'),
+        'delivery_note',
+        ['created'],
+        unique=False,
+        schema=f'{get_inv()}',
+    )
+    op.create_index(
+        op.f('ix_delivery_note_updated'),
+        'delivery_note',
+        ['updated'],
+        unique=False,
+        schema=f'{get_inv()}',
+    )
+    op.create_index(
+        'ix_delivery_note_id',
+        'delivery_note',
+        ['id'],
+        unique=False,
+        postgresql_using='hash',
+        schema=f'{get_inv()}',
+    )
+
+    # creating receiver note table
+    op.create_table(
+        'receiver_note',
+        sa.Column(
+            'updated',
+            sa.TIMESTAMP(timezone=True),
+            server_default=sa.text('CURRENT_TIMESTAMP'),
+            nullable=False,
+        ),
+        sa.Column(
+            'created',
+            sa.TIMESTAMP(timezone=True),
+            server_default=sa.text('CURRENT_TIMESTAMP'),
+            nullable=False,
+        ),
+        sa.Column('id', postgresql.UUID(as_uuid=True), nullable=False),
+        sa.Column('date', sa.TIMESTAMP(timezone=True), nullable=True),
+        sa.Column('number', citext.CIText(), nullable=True),
+        sa.Column('weight', sa.Integer(), nullable=True),
+        sa.Column('units', sa.Integer(), nullable=True),
+        sa.Column('transfer_id', postgresql.UUID(as_uuid=True), nullable=False),
+        sa.ForeignKeyConstraint(['transfer_id'], [f'{get_inv()}.transfer.id']),
+        sa.PrimaryKeyConstraint('id'),
+        schema=f'{get_inv()}',
+    )
+
+    # creating index
+    op.create_index(
+        op.f('ix_receiver_note_created'),
+        'receiver_note',
+        ['created'],
+        unique=False,
+        schema=f'{get_inv()}',
+    )
+    op.create_index(
+        op.f('ix_receiver_note_updated'),
+        'receiver_note',
+        ['updated'],
+        unique=False,
+        schema=f'{get_inv()}',
+    )
+    op.create_index(
+        'ix_receiver_note_id',
+        'receiver_note',
+        ['id'],
+        unique=False,
+        postgresql_using='hash',
+        schema=f'{get_inv()}',
+    )
+
+
+def downgrade():
+    op.drop_index(
+        op.f('ix_delivery_note_created'),
+        table_name='delivery_note',
+        schema=f'{get_inv()}',
+    )
+    op.drop_index(
+        op.f('ix_delivery_note_updated'),
+        table_name='delivery_note',
+        schema=f'{get_inv()}',
+    )
+    op.drop_index(
+        op.f('ix_delivery_note_id'), table_name='delivery_note', schema=f'{get_inv()}'
+    )
+    op.drop_table('delivery_note', schema=f'{get_inv()}')
+
+    op.drop_index(
+        op.f('ix_receiver_note_created'),
+        table_name='receiver_note',
+        schema=f'{get_inv()}',
+    )
+    op.drop_index(
+        op.f('ix_receiver_note_updated'),
+        table_name='receiver_note',
+        schema=f'{get_inv()}',
+    )
+    op.drop_index(
+        op.f('ix_receiver_note_id'), table_name='receiver_note', schema=f'{get_inv()}'
+    )
+    op.drop_table('receiver_note', schema=f'{get_inv()}')