add new attributes in Lot and User models

ereuse_devicehub/resources/lot/models.py

@@ -70,7 +70,12 @@ class Lot(Thing):
     author = db.relationship(User, primaryjoin=author_id == User.id)
     transfer_state = db.Column(IntEnum(TransferState), default=TransferState.Initial, nullable=False)
     transfer_state.comment = TransferState.__doc__
-    receiver = db.Column(CIText(), default='', nullable=False)
+    receiver_id = db.Column(UUID(as_uuid=False),
+                          db.ForeignKey(User.ethereum_address),
+                          nullable=True,
+                          default=lambda: g.user.ethereum_address)
+    receiver = db.relationship(User, primaryjoin=receiver_id == User.ethereum_address)
+    delivery_note_address = db.Column(CIText(), nullable=True)
 
     def __init__(self, name: str, closed: bool = closed.default.arg,
                  description: str = None) -> None:

ereuse_devicehub/resources/lot/models.pyi

@@ -27,7 +27,9 @@ class Lot(Thing):
     deposit = ... # type: Column
     author_id = ... # type: Column
     transfer_state = ... # type: Column
-    receiver = ... # type: Column
+    receiver_id = ... # type: Column
+    receiver = ... # type: relationship
+    delivery_note_address = ... # type: Column
 
     def __init__(self, name: str, closed: bool = closed.default.arg) -> None:
         super().__init__()

ereuse_devicehub/resources/lot/schemas.py

@@ -23,5 +23,5 @@ class Lot(Thing):
                        description=m.Lot.deposit.__doc__)
     # author_id = NestedOn(s_user.User,only_query='author_id')
     author_id = f.UUID(dump_only=True)
-    tranfer_state = EnumField(TransferState, description=m.Lot.transfer_state.comment)
-    receiver = SanitizedStr(validate=f.validate.Length(max=42))
+    transfer_state = EnumField(TransferState, description=m.Lot.transfer_state.comment)
+    receiver_id = SanitizedStr(validate=f.validate.Length(max=42))

ereuse_devicehub/resources/user/models.py

@@ -24,6 +24,7 @@ class User(Thing):
                                   backref=db.backref('users', lazy=True, collection_class=set),
                                   secondary=lambda: UserInventory.__table__,
                                   collection_class=set)
+    ethereum_address = Column(UUID(as_uuid=False), unique=True)
 
     # todo set restriction that user has, at least, one active db
 

ereuse_devicehub/resources/user/models.pyi

@@ -17,6 +17,7 @@ class User(Thing):
     password = ...  # type: Column
     token = ...  # type: Column
     inventories = ...  # type: relationship
+    ethereum_address = ... # type: Column
 
     def __init__(self, email: str, password: str = None,
                  inventories: Set[Inventory] = None) -> None:

ereuse_devicehub/resources/user/schemas.py

@@ -19,6 +19,7 @@ class User(Thing):
                    description='Use this token in an Authorization header to access the app.'
                                'The token can change overtime.')
     inventories = NestedOn(Inventory, many=True, dump_only=True)
+    ethereum_address = String(description='User identifier address inside the Blockchain')
 
     def __init__(self,
                  only=None,