chore(#5): Fixes the timestamp into native SQL

shortenit/models/base.py

@@ -1,4 +1,5 @@
 from sqlalchemy.orm import DeclarativeBase, MappedAsDataclass
 
+
 class Base(MappedAsDataclass, DeclarativeBase):
     pass

shortenit/models/main.py

@@ -1,17 +1,16 @@
-from shortenit.models.objects import Link, Pointer
+from datetime import datetime
 
-import time
-
-from sqlalchemy import create_engine
+from sqlalchemy import create_engine, text
 from sqlalchemy.orm import Session
-from sqlalchemy import text
+
+from shortenit.models.objects import Link, Pointer
 
 engine = create_engine("sqlite+pysqlite:///:memory:", echo=True)
 Link.metadata.create_all(engine)
 Pointer.metadata.create_all(engine)
 
-link = Link("00001", "https://duckduckgo.com", time.time(), [])
-pointer = Pointer("00001", "duckduckgo!", "30d", time.time(), link.id, link)
+link = Link("00001", "https://duckduckgo.com", [])
+pointer = Pointer("00001", "duckduckgo!", "30d", link.id, link)
 link.pointers.append(pointer)
 
 with Session(engine) as session:

shortenit/models/objects.py

@@ -1,19 +1,22 @@
-from shortenit.models.base import Base
+from datetime import datetime
+from typing import List
 
-from typing import List, Optional
-from sqlalchemy import Integer, String, ForeignKey
-from sqlalchemy.orm import Mapped
-from sqlalchemy.orm import relationship, mapped_column
 from pydantic import AnyHttpUrl
+from sqlalchemy import DateTime, ForeignKey, String
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+from sqlalchemy.sql import func
+
+from shortenit.models.base import Base
+from shortenit.models.shortener import Shortener
 
 
 class Link(Base):
     __tablename__ = "links"
-    id:  Mapped[int] = mapped_column(primary_key=True, index=True, init=False)
+    id: Mapped[int] = mapped_column(primary_key=True, index=True, init=False)
     identifier: Mapped[str] = mapped_column(index=True)
     data: Mapped[AnyHttpUrl] = mapped_column(String)
-    timestamp: Mapped[str]
     pointers: Mapped[List["Pointer"]] = relationship(back_populates="link")
+    timestamp: Mapped[datetime] = mapped_column(default=func.now())
 
 
 class Pointer(Base):
@@ -22,6 +25,6 @@ class Pointer(Base):
     identifier: Mapped[str] = mapped_column(index=True)
     data: Mapped[str]
     ttl: Mapped[str]
-    timestamp: Mapped[str]
     link_id: Mapped[int] = mapped_column(ForeignKey("links.id"))
     link: Mapped["Link"] = relationship(back_populates="pointers")
+    timestamp: Mapped[datetime] = mapped_column(default=func.now())