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from dataclasses import dataclass
import configparser
import pymysql
import random
@dataclass
class Database:
safeLogin:bool = True #automatically login with the user in the config file, who is read only
user:str = None #otherwise, login with the given username and passwd
passwd:str = None
def __enter__(self):
config = configparser.ConfigParser()
config.read("edaweb.conf")
if self.safeLogin:
self.__connection = pymysql.connect(
**config["mysql"],
charset = "utf8mb4"
)
else:
self.__connection = pymysql.connect(
user = self.user,
passwd = self.passwd,
host = config["mysql"]["host"],
db = config["mysql"]["db"],
charset = "utf8mb4"
)
return self
def __exit__(self, type, value, traceback):
self.__connection.close()
def get_header_links(self):
with self.__connection.cursor() as cursor:
cursor.execute("SELECT name, link FROM headerLinks ORDER BY name;")
return cursor.fetchall()
def get_image(self, imageName):
with self.__connection.cursor() as cursor:
cursor.execute("SELECT alt, url FROM images WHERE imageName = %s;", (imageName, ))
return cursor.fetchone()
def get_pfp_images(self):
with self.__connection.cursor() as cursor:
cursor.execute("SELECT alt, url FROM images WHERE pfp_img = 1;")
return cursor.fetchall()
def get_header_articles(self):
with self.__connection.cursor() as cursor:
cursor.execute("SELECT articleName, link FROM headerArticles;")
return cursor.fetchall()
def get_all_categories(self):
with self.__connection.cursor() as cursor:
cursor.execute("SELECT category_name FROM categories;")
return [i[0] for i in cursor.fetchall()]
def add_category(self, category):
if not category in self.get_all_categories():
with self.__connection.cursor() as cursor:
cursor.execute("INSERT INTO categories (category_name) VALUES (%s);", (category, ))
self.__connection.commit()
return True
return False
def add_thought(self, category, title, markdown):
with self.__connection.cursor() as cursor:
cursor.execute("""
INSERT INTO thoughts (category_id, title, markdown_text)
VALUES ((
SELECT category_id FROM categories WHERE category_name = %s
), %s, %s);""", (category, title, markdown))
self.__connection.commit()
def get_thought(self, id_):
with self.__connection.cursor() as cursor:
cursor.execute("""
SELECT categories.category_name, thoughts.title, thoughts.dt, thoughts.markdown_text
FROM thoughts INNER JOIN categories
ON thoughts.category_id = categories.category_id
WHERE thought_id = %s;""", (id_, ))
return cursor.fetchone()
def get_featured_thoughts(self):
with self.__connection.cursor() as cursor:
cursor.execute("SELECT thought_id, title FROM thoughts WHERE featured = 1;")
return cursor.fetchall()
def update_thought_markdown(self, id_, markdown):
with self.__connection.cursor() as cursor:
cursor.execute("UPDATE thoughts SET markdown_text = %s WHERE thought_id = %s;", (markdown, id_))
self.__connection.commit()
def get_categories_not(self, category_name):
with self.__connection.cursor() as cursor:
cursor.execute("SELECT category_name FROM categories WHERE category_name != %s;", (category_name, ))
return [i[0] for i in cursor.fetchall()]
def get_all_thoughts(self):
with self.__connection.cursor() as cursor:
cursor.execute("""
SELECT thought_id, title, dt, category_name FROM thoughts
INNER JOIN categories ON thoughts.category_id = categories.category_id;
""")
return cursor.fetchall()
if __name__ == "__main__":
with Database() as db:
print(db.get_header_articles())
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