211 lines
8.8 KiB
Python
211 lines
8.8 KiB
Python
from sqlalchemy import create_engine, Column, String, Integer, Boolean, ForeignKey, select
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from sqlalchemy.orm import declarative_base, relationship, sessionmaker
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from typing import Any
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# 1. Define the base class for declarative models
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Base = declarative_base()
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# 2. Define the twitch_videos table
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class TwitchVideo(Base):
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__tablename__ = "twitch_videos"
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id = Column(String, primary_key=True)
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title = Column(String, nullable=False)
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created_at = Column(String, nullable=False)
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view_count = Column(Integer, nullable=False)
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duration = Column(String, nullable=False)
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url = Column(String, nullable=False)
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thumbnail_url = Column(String, nullable=False)
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game_id = Column(String, nullable=False)
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game_name = Column(String, nullable=False)
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stream_id = Column(String, nullable=False)
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creator_name = Column(String, nullable=False)
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clip_is = Column(Boolean, nullable=False, default=False)
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downloaded = Column(Boolean, nullable=False, default=False)
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uploaded_yt = Column(Boolean, nullable=False, default=False)
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uploaded_yt_chats = Column(Boolean, nullable=False, default=False)
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uploaded_yt_shorts = Column(Boolean, nullable=False, default=False)
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# Relationship back to YoutubeInfo (uselist=False enforces a 1-to-1 structure)
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youtube_info = relationship("YoutubeInfo", back_populates="twitch_video", uselist=False)
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# 3. Define the data table
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class Data(Base):
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__tablename__ = "data"
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# In SQLAlchemy, an Integer primary key automatically acts as AUTOINCREMENT in SQLite
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id = Column(Integer, primary_key=True, autoincrement=True)
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name = Column(String, nullable=False)
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date_shorts = Column(String, nullable=False)
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date_videos = Column(String, nullable=False)
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date_videos_chats = Column(String, nullable=False)
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class YoutubeInfo(Base):
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__tablename__ = "youtube_info"
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id = Column(String, ForeignKey("twitch_videos.id"), primary_key=True)
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yt_id = Column(String, nullable=True)
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yt_date = Column(String, nullable=True)
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yt_short_id = Column(String, nullable=True)
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yt_short_date = Column(String, nullable=True)
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yt_chat_SS_id = Column(String, nullable=True)
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yt_chat_SS_date = Column(String, nullable=True)
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yt_chat_over_id = Column(String, nullable=True)
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yt_chat_over_date = Column(String, nullable=True)
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# Relationship linking back to the twitch video record
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twitch_video = relationship("TwitchVideo", back_populates="youtube_info")
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class Database:
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def __init__(self, db_path: str = "database.db"):
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# 4. Connect to the SQLite file and generate the tables
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# This will create 'database.db' in the current working directory if it doesn't exist.
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engine = create_engine(f"sqlite:///{db_path}", echo=True)
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Base.metadata.create_all(engine)
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# 5. Optional: Set up a session factory for interacting with the database
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Session = sessionmaker(bind=engine)
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self.session = Session()
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def __mark_as(self, record_id: str, field_name: str, value: bool = True):
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record = self.session.get(TwitchVideo, record_id)
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if record:
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setattr(record, field_name, value)
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self.session.commit()
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else:
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print(f"❌ Record {record_id} not found in __mark_as.")
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def mark_as_uploaded_shorts(self, record_id: str):
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"""Flags a specific row record to uploaded_yt_shorts (1)."""
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self.__mark_as(record_id, "uploaded_yt_shorts")
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def mark_as_uploaded_chats(self, record_id: str):
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"""Flags a specific row record to uploaded_yt_chats (1)."""
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self.__mark_as(record_id, "uploaded_yt_chats")
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def mark_as_uploaded_yt(self, record_id: str):
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"""Flags a specific row record to uploaded_yt (1)."""
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self.__mark_as(record_id, "uploaded_yt")
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def mark_as_downloaded(self, record_id: str):
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"""Flags a specific row record to downloaded (1)."""
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self.__mark_as(record_id, "downloaded")
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def unmark_as_download(self, record_id: str):
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"""Flags a specific row record to downloaded (0)."""
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self.__mark_as(record_id, "downloaded", False)
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def update_datetime(self, record_id: str, created_at: str):
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record = self.session.get(TwitchVideo, record_id)
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if record:
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record.created_at = created_at
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self.session.commit()
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else:
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print(f"❌ Record {record_id} not found in __mark_as.")
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def __get_unuploaded(self, field_name: str, also_clause: Any = None) -> list[TwitchVideo]:
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"""Retrieve all rows that were downloaded but not uploaded using SQLAlchemy."""
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# 1. Validation: Verify the string corresponds to an actual column
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if not hasattr(TwitchVideo, field_name):
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raise ValueError(f"🚨 Invalid column name: '{field_name}' does not exist on TwitchVideo.")
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# Get the actual SQLAlchemy column object dynamically
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status_column = getattr(TwitchVideo, field_name)
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# 2. Build the query programmatically
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stmt = select(TwitchVideo).where(
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TwitchVideo.downloaded == True,
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status_column == False
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)
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# 3. Safely append additional filters if provided
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if also_clause is not None:
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stmt = stmt.where(also_clause)
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# 4. Execute and return results
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return self.session.scalars(stmt).all()
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def get_unuploaded_shorts(self) -> list[TwitchVideo]:
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"""Retrieve all rows that were download but not uploaded_yt_shorts"""
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return self.__get_unuploaded("uploaded_yt_shorts", (TwitchVideo.clip_is == True))
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def get_unuploaded_chats(self) -> list[TwitchVideo]:
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"""Retrieve all rows that were download but not uploaded_yt_chats"""
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return self.__get_unuploaded("uploaded_yt_chats", (TwitchVideo.clip_is == False))
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def get_unuploaded(self) -> list[TwitchVideo]:
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"""Retrieve all rows that were download but not uploaded_yt"""
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return self.__get_unuploaded("uploaded_yt")
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def get_undownloaded(self) -> list[TwitchVideo]:
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stmt = select(TwitchVideo).where(TwitchVideo.downloaded == False)
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return self.session.scalars(stmt).all()
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def get_downloaded(self) -> list[TwitchVideo]:
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stmt = select(TwitchVideo).where(TwitchVideo.downloaded == True)
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return self.session.scalars(stmt).all()
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def get_clips(self) -> list[TwitchVideo]:
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"""Retrieves all rows that are clip_is"""
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stmt = select(TwitchVideo).where(TwitchVideo.clip_is == True)
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return self.session.scalars(stmt).all()
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def get_vods(self) -> list[TwitchVideo]:
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stmt = select(TwitchVideo).where(TwitchVideo.clip_is == False)
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return self.session.scalars(stmt).all()
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def __update_date(self, field_name: str, date: str):
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record_id = 1
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record = self.session.get(Data, record_id)
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if record:
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setattr(record, field_name, date)
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self.session.commit()
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else:
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print(f"❌ Record {record_id} not found in __update_date.")
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def update_date_shorts(self, date: str):
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self.__update_date("date_shorts", date)
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def update_date_chats(self, date: str):
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self.__update_date("date_videos_chat", date)
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def get_data(self) -> list[Data]:
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stmt = select(Data)
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return self.session.scalars(stmt).all()
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def get_youtube_info(self, record_id) -> YoutubeInfo | None:
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return self.session.get(YoutubeInfo, record_id)
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def insert(self, data: TwitchVideo | Data | YoutubeInfo):
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# SQLAlchemy 2.0 context manager handles commit/rollback automatically
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try:
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if isinstance(data, TwitchVideo):
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# 1. Query for the existing row using SQLAlchemy 2.0 scalar execution
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stmt = select(TwitchVideo).where(TwitchVideo.id == data.id)
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existing_record = self.session.scalar(stmt)
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if existing_record:
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if existing_record.view_count != data.view_count or existing_record.duration != data.duration:
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# 2. Update the columns on the managed instance
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existing_record.view_count = data.view_count
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existing_record.duration = data.duration
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print(f"🔄 Record {data.id} updated successfully!")
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else:
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# 3. Add new instance if it doesn't exist
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self.session.add(data)
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print("➕ New TwitchVideo record inserted successfully!")
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else:
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self.session.merge(data)
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print(f"➕ {type(data).__name__} record inserted successfully!")
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# 4. Flush changes and commit the transaction
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self.session.commit()
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except Exception as e:
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self.session.rollback()
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print(f"❌ An error occurred, transaction rolled back: {e}")
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