[WIP] Download contract

backend/src/contracts/contracts.py

@@ -81,6 +81,7 @@ async def create_contract(
     total_price = '{:10.2f}'.format(recurrent_price + compute_occasional_prices(occasionals))
     cheques = list(map(lambda x: {"name": x.name, "value": x.value}, new_contract.cheques))
     # TODO: send contract to referer
+
     try:
         pdf_bytes = generate_html_contract(
             new_contract,
@@ -92,6 +93,7 @@ async def create_contract(
         )
         pdf_file = io.BytesIO(pdf_bytes)
         contract_id = f'{new_contract.firstname}_{new_contract.lastname}_{new_contract.form.productor.type}_{new_contract.form.season}'
+        service.add_contract_file(session, id, pdf_bytes)
     except:
         raise HTTPException(status_code=400, detail=PDFerrorOccured)
     return StreamingResponse(
@@ -109,6 +111,23 @@ def get_contracts(
 ):
     return service.get_all(session, forms)
 
+@router.get('/{id}/file')
+def get_contract_file(
+    id: int, 
+    session: Session = Depends(get_session)
+):
+    contract = service.get_one(session, id)
+    print(contract.file)
+    if contract is None:
+        raise HTTPException(status_code=404, detail=messages.notfound)
+    return StreamingResponse(
+        contract.file,
+        media_type='application/pdf',
+        headers={
+            'Content-Disposition': f'attachement; filename=contract_{contract.id}.pdf'
+        }
+    ) 
+
 @router.get('/{id}', response_model=models.ContractPublic)
 def get_contract(id: int, session: Session = Depends(get_session)):
     result = service.get_one(session, id)

backend/src/contracts/service.py

@@ -39,6 +39,17 @@ def create_one(session: Session, contract: models.ContractCreate) -> models.Cont
     session.refresh(new_contract)
     return new_contract
 
+def add_contract_file(session: Session, id: int, file: bytes):
+    statement = select(models.Contract).where(models.Contract.id == id)
+    result = session.exec(statement)
+    contract = result.first()
+
+    contract.file = file
+    session.add(contract)
+    session.commit()
+    session.refresh(contract)
+    return contract
+
 def update_one(session: Session, id: int, contract: models.ContractUpdate) -> models.ContractPublic:
     statement = select(models.Contract).where(models.Contract.id == id)
     result = session.exec(statement)

backend/src/models.py

@@ -1,4 +1,4 @@
-from sqlmodel import Field, SQLModel, Relationship
+from sqlmodel import Field, SQLModel, Relationship, Column, LargeBinary
 from enum import StrEnum
 from typing import Optional
 import datetime
@@ -208,6 +208,7 @@ class Contract(ContractBase, table=True):
         back_populates="contract",
         cascade_delete=True
     )
+    file: bytes = Field(sa_column=Column(LargeBinary))
 
 class ContractCreate(ContractBase):
     products: list["ContractProductCreate"] = []
@@ -215,12 +216,13 @@ class ContractCreate(ContractBase):
     form_id: int
 
 class ContractUpdate(SQLModel):
-    pass
+    file: bytes
 
 class ContractPublic(ContractBase):
     id: int
     products: list["ContractProduct"] = []
     form: Form
+    # file: bytes
 
 class ContractProductBase(SQLModel):
     product_id: int = Field(