You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
63 lines
1.8 KiB
Python
63 lines
1.8 KiB
Python
#!/usr/bin/env python
|
|
# -*- coding: utf-8 -*-
|
|
import logging
|
|
import libreremo_res as res
|
|
import sqlite3 as sql3
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class Database:
|
|
|
|
def __init__(self, filename):
|
|
self.filename = filename
|
|
self.con = None
|
|
self.cur = None
|
|
|
|
def _execute(self, sql, factory):
|
|
result_list = None
|
|
try:
|
|
self.con = sql3.connect(self.filename)
|
|
self.con.row_factory = factory
|
|
self.cur = self.con.cursor()
|
|
logging.info("Connection to db open")
|
|
self.cur.execute(sql)
|
|
result_list = self.cur.fetchall()
|
|
except sql3.Error as error:
|
|
logging.info("an error occured", error)
|
|
finally:
|
|
if self.con:
|
|
self.con.close()
|
|
logging.info("Connection to db closed")
|
|
return result_list
|
|
|
|
def select_books_by_title(self, query):
|
|
query = self.__format_query(query)
|
|
sql = f"""
|
|
SELECT title, author_sort, path FROM books
|
|
WHERE title LIKE '{query}';
|
|
"""
|
|
return self._execute(sql, res.book_factory)
|
|
|
|
def select_books_by_author(self, query):
|
|
query = self.__format_query(query)
|
|
sql = f"""
|
|
SELECT title, author_sort, path FROM books
|
|
WHERE books.author_sort LIKE '%' ||
|
|
(SELECT sort FROM authors
|
|
WHERE sort LIKE '%{query}%') || '%';
|
|
"""
|
|
return self._execute(sql, res.book_factory)
|
|
|
|
def select_authors(self, query):
|
|
query = self.__format_query(query)
|
|
sql = f"""
|
|
SELECT name, sort FROM authors
|
|
WHERE name LIKE '{query}';
|
|
"""
|
|
return self._execute(sql, res.author_factory)
|
|
|
|
def __format_query(self, query):
|
|
formatted_query = "%" + query.replace(" ", "%") + "%"
|
|
return formatted_query
|