[UPD] Added LibraryController

app/controller/__init__.py

@@ -0,0 +1,60 @@
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+from app.api.cruds.base import create, read, update, delete
+from app.schema.library import Library
+from ..db.config.config import get_engine_configuration
+
+import logging
+logging.basicConfig(level=logging.DEBUG)
+logger = logging.getLogger(__name__)
+
+class LibraryController:
+    def __init__(self, library_id=None, *, engine_string=None, echo=False, engine=None):
+        if engine_string is None:
+            engine_string, echo = get_engine_configuration()
+        if engine is None:
+            self._engine = create_engine(engine_string, echo=echo=="true", future=True)
+        else:
+            self._engine = engine
+        self._Session = sessionmaker(bind=self.engine)
+        self._library = None
+        if library_id is not None:
+            self.read(library_id)
+
+    @property
+    def data(self):
+        return self._library
+
+    @property
+    def engine(self):
+        return self._engine
+    
+    @property
+    def Session(self):
+        return self._Session
+    
+    @property
+    def session(self):
+        return self.Session()
+    
+    def create(self, library:Library):
+        with self.session as session:
+            self._library = create(session, library)
+        return self
+    
+    def read(self, _id):
+        with self.session as session:
+            self._library = read(session, _id, Library)
+        return self
+        
+    def update(self):
+        with self.session as session:
+            session.commit()
+
+    def delete(self):
+        with self.session as session:
+            delete(session, self)
+            del(self)
+
+