From 019c24e0593ead7859a085af6245c7499afd4af7 Mon Sep 17 00:00:00 2001
From: Hellow2 <lars.noack@outlook.de>
Date: Thu, 16 Feb 2023 17:24:22 +0100
Subject: [PATCH] eeeeeeeeeeee

---
 src/music_kraken/database/data_models.py |   6 +-
 src/music_kraken/database/write.py       | 132 ++++++++++++++++++++++-
 2 files changed, 130 insertions(+), 8 deletions(-)

diff --git a/src/music_kraken/database/data_models.py b/src/music_kraken/database/data_models.py
index 4b8e1be..dc99bdf 100644
--- a/src/music_kraken/database/data_models.py
+++ b/src/music_kraken/database/data_models.py
@@ -72,9 +72,9 @@ class Song(BaseModel):
 
 class Source(BaseModel):
     """A class representing a source of a song in the music database."""
+    ContentTypes = Union[Song, Album, Artist]
 
-    type: str = CharField()
-    src: str = CharField()
+    page: str = CharField()
     url: str = CharField()
 
     content_type: str = CharField()
@@ -82,7 +82,7 @@ class Source(BaseModel):
     content: ForeignKeyField = ForeignKeyField('self', backref='content_items', null=True)
 
     @property
-    def content_object(self) -> Union[Song, Album, Artist, None]:
+    def content_object(self) -> Union[Song, Album, Artist]:
         """Get the content associated with the source as an object."""
         if self.content_type == 'Song':
             return Song.get(Song.id == self.content_id)
diff --git a/src/music_kraken/database/write.py b/src/music_kraken/database/write.py
index 279b895..26ca397 100644
--- a/src/music_kraken/database/write.py
+++ b/src/music_kraken/database/write.py
@@ -1,4 +1,5 @@
-from typing import Union
+from typing import Union, Set
+import traceback
 from peewee import (
     SqliteDatabase,
     MySQLDatabase,
@@ -6,14 +7,135 @@ from peewee import (
 )
 
 from . import objects
+from . import data_models
 
 # just a Type for type hintung. You can't do anything with it.
 Database = Union[SqliteDatabase, PostgresqlDatabase, MySQLDatabase]
 
-
 class Session:
     """
-    do the thingie with the with keyword
-    overload __end__ and maybe __start__ i dunfckinnow
+    Context manager for a database session
+
+    Usage:
+    with Session(database) as session:
+        # Perform database operations using session object
+
+    Args:
+    database: An instance of a database connection from Peewee
+
+    Attributes:
+    database: An instance of a database connection from Peewee
     """
-    pass
+    def __init__(self, database: Database) -> None:
+        """
+        Initialize a database session
+
+        Args:
+        database: An instance of a database connection from Peewee
+        """
+        self.database = database
+        
+        self.added_song_ids: Set[str] = set()
+        self.added_album_ids: Set[str] = set()
+        self.added_artist_ids: Set[str] = set()
+
+    def __enter__(self, database: Database):
+        """
+        Enter the context of the database session
+
+        Args:
+        database: An instance of a database connection from Peewee
+
+        Returns:
+        self: The instance of the session object
+        """
+        print('Entering the context')
+        self.__init__(database=database)
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        """
+        Exit the context of the database session
+
+        Args:
+        exc_type: The type of the raised exception
+        exc_val: The value of the raised exception
+        exc_tb: The traceback of the raised exception
+
+        Returns:
+        bool: True if no exception was raised, False otherwise
+        """
+        if exc_val is not None:
+            traceback.print_tb(exc_tb)
+            print(f"Exception of type {exc_type} occurred with message: {exc_val}")
+
+        self.commit()
+        return exc_val is None
+    
+    def add_source(self, source: objects.Source, connected_to: data_models.Source.ContentTypes) -> data_models.Source:
+        db_source = data_models.Source(
+            page=source.page_str,
+            url=source.url,
+            content_object=connected_to
+        ).use(self.database)
+
+        return db_source
+
+    def add_song(self, song: objects.Song) -> data_models.Song:
+        """
+        Add a song object to the session
+
+        Args:
+        song: An instance of the Song object
+        """
+        if song.dynamic:
+            return
+        if song.id in self.added_song_ids:
+            return
+        self.added_song_ids.add(song.id)
+
+        db_song: data_models.Song = data_models.Song(
+            id=song.id,
+            name=song.title,
+            isrc=song.isrc,
+            length=song.length,
+            tracksort=song.tracksort,
+            genre=song.genre
+        ).use(self.database)
+
+        for source in song.source_list:
+            self.add_source(source=source, connected_to=db_song)
+
+        return db_song
+
+    def add_album(self, album: objects.Album):
+        """
+        Add an album object to the session
+
+        Args:
+        album: An instance of the Album object
+        """
+        if album.dynamic:
+            return
+        if album.id in self.added_album_ids:
+            return
+        self.added_album_ids.add(album.id)
+
+    def add_artist(self, artist: objects.Artist):
+        """
+        Add an artist object to the session
+
+        Args:
+        artist: An instance of the Artist object
+        """
+        if artist.dynamic:
+            return
+        if artist.id in self.added_artist_ids:
+            return
+        self.added_artist_ids.add(artist.id)
+
+    def commit(self):
+        """
+        Commit changes to the database
+        """
+        pass
\ No newline at end of file