add project files

back/crud.py

@@ -0,0 +1,188 @@
+from database import connection
+
+def get_books(page, limit=50, order="Auteur", search=""):
+    """
+    :param limit: Item limit
+    :type limit: int 
+    :param page: current page
+    :type page: int 
+    :param order: Book fields are : Auteur, Titre, Editeur, Type
+    :type order: str
+    """
+    cursor = connection.cursor()
+    connection.ping(reconnect=True)
+    if search == "":
+        t = f"""
+            SELECT * from Books order by %s asc LIMIT %s OFFSET %s;
+        """
+        nb = f"""
+            SELECT COUNT(*) as count from Books order by %s asc;
+        """
+        try:
+            cursor.execute(t, (order, limit, limit * page))
+            r = cursor.fetchall()
+            cursor.execute(nb, (order))
+            n = cursor.fetchall()
+        except Exception as e:
+            print(e)
+            return False
+    else:
+        search = search.replace(' ', ', ')
+        t = f"""
+            SELECT * FROM `Books` 
+            WHERE `Titre` LIKE %s
+            OR `Auteur` LIKE %s
+            OR `Editeur` LIKE %s
+            OR `Type` LIKE %s
+            ORDER BY %s asc LIMIT %s OFFSET %s;
+        """
+        nb = f"""
+            SELECT COUNT(*) as count from `Books` 
+            WHERE `Titre` LIKE %s
+            OR `Auteur` LIKE %s
+            OR `Editeur` LIKE %s
+            OR `Type` LIKE %s
+            ORDER BY %s asc;
+        """
+        try:
+            cursor.execute(t, (f'%{search}%', f'%{search}%', f'%{search}%', f'%{search}%', order, limit, limit * page))
+            r = cursor.fetchall()
+            cursor.execute(nb, (f'%{search}%', f'%{search}%', f'%{search}%', f'%{search}%', order))
+            n = cursor.fetchall()
+        except Exception as e:
+            print(e)
+            return False
+    return r, n
+
+def remove_book(id):
+    cursor = connection.cursor()
+    connection.ping(reconnect=True)
+    t = f"""
+        DELETE FROM Books where biblio_Index=%s;
+    """
+    try:
+        cursor.execute(t, (id))
+    except:
+        return False
+    connection.commit()
+    return True
+
+def edit_book(id, newContent):
+    """
+    :param id: item to update
+    :type id: str
+    :param newContent: New values to update
+    :type newContent: dict
+    """
+    cursor = connection.cursor()
+    connection.ping(reconnect=True)
+    t = f"""
+        UPDATE Books 
+        SET Auteur=%s, Titre=%s, Editeur=%s, Type=%s
+        WHERE biblio_Index=%s;
+    """
+    try:
+        cursor.execute(t, (newContent['author'], newContent['title'], newContent['editor'], newContent['type'], id))
+    except:
+        return False
+    connection.commit()
+    return True    
+
+def add_book(newContent):
+    """
+    :param newContent: New values to add
+    :type newContent: dict
+    """
+    connection.ping(reconnect=True)
+    cursor = connection.cursor()
+    t = f"""
+        INSERT INTO Books (Auteur, Titre, Editeur, Type)
+        VALUES (%s, %s, %s, %s);
+    """
+    try:
+        cursor.execute(t, (newContent['author'], newContent['title'], newContent['editor'], newContent['type']))
+    except:
+        return False
+    connection.commit()
+    return True
+
+def add_film(newContent):
+    connection.ping(reconnect=True)
+    cursor = connection.cursor()
+    t = f"""
+        INSERT INTO Films (Title, Director, Producer, Actors, Length, Type)
+        VALUES (%s, %s, %s, %s, %s, %s);
+    """
+    try:
+        cursor.execute(t, (newContent['title'], newContent['director'], newContent['producer'], newContent['actors'], newContent['length'], newContent['type']))
+    except:
+        return False
+    connection.commit()
+    return True
+
+def remove_film(id):
+    cursor = connection.cursor()
+    t = f"""
+        DELETE FROM Films where Number=%s;
+    """
+    try:
+        cursor.execute(t, (id))
+    except:
+        return False
+    connection.commit()
+    return True
+
+def edit_film(id, newContent):
+    connection.ping(reconnect=True)
+    cursor = connection.cursor()
+    t = f"""
+        UPDATE Films 
+        SET Title=%s, Director=%s, Producer=%s, Actors=%s, Length=%s, Type=%s
+        WHERE Number=%s;
+    """
+    try:
+        cursor.execute(t, (newContent['title'], newContent['director'], newContent['producer'], newContent['actors'], newContent['length'], newContent['type'], id))
+    except:
+        return False
+    connection.commit()
+    return True
+
+def get_films(page, limit=50, order="Director"):
+    connection.ping(reconnect=True)
+    cursor = connection.cursor()
+    t = f"""
+        SELECT * from Films order by %s asc LIMIT %s OFFSET %s;
+    """
+    try:
+        cursor.execute(t, (order, limit, limit * page))
+    except:
+        return False
+    return cursor.fetchall()
+
+def get_field_values(table, field):
+    connection.ping(reconnect=True)
+    cursor = connection.cursor()
+    t = f"""
+        SELECT DISTINCT {field} FROM {table} ORDER BY {field} asc;
+    """
+    try:
+        cursor.execute(t)
+    except Exception as e:
+        print(e)
+        return False
+    res = cursor.fetchall()
+    return [a[field] for a in res]
+
+def get_user(username):
+    connection.ping(reconnect=True)
+    cursor = connection.cursor()
+    t = f"""
+        SELECT * from Users WHERE username=%s;
+    """
+    try:
+        cursor.execute(t, (username))
+    except Exception as e:
+        print(e)
+        return False
+    res = cursor.fetchall()
+    return res