Added the sqlite3 database

backend/app/models.py

@@ -0,0 +1,61 @@
+from pydantic import BaseModel
+from typing import List, Optional
+
+class ContactPerson(BaseModel):
+    id: Optional[int] = None
+    firstname: str
+    lastname: str
+    phone_number: str
+    email: str
+
+class Address(BaseModel):
+    id: Optional[int] = None
+    street: str
+    city: str
+    zipcode: str
+    country: str
+
+class Proposal(BaseModel):
+    id: Optional[int] = None
+    number: str
+
+class Dewar(BaseModel):
+    id: Optional[str] = None
+    dewar_name: str
+    tracking_number: Optional[str] = None
+    number_of_pucks: int
+    number_of_samples: int
+    return_address: List[Address]
+    contact_person: List[ContactPerson]
+    status: str
+    ready_date: Optional[str] = None
+    shipping_date: Optional[str] = None
+    arrival_date: Optional[str] = None
+    returning_date: Optional[str] = None
+    qrcode: str
+
+class Shipment(BaseModel):
+    shipment_id: Optional[str] = None
+    shipment_name: str
+    shipment_date: str
+    shipment_status: str
+    contact_person: List[ContactPerson]
+    proposal_number: List[Proposal]
+    return_address: List[Address]
+    comments: Optional[str] = None
+    dewars: List[Dewar]
+
+    def get_number_of_dewars(self) -> int:
+        return len(self.dewars)
+
+    def get_shipment_contact_persons(self) -> List[ContactPerson]:
+        return self.contact_person
+
+    def get_shipment_return_addresses(self) -> List[Address]:
+        return self.return_address
+
+    def get_proposals(self) -> List[Proposal]:
+        return self.proposal_number
+
+    class Config:
+        from_attributes = True