mirror of
https://github.com/GaMeNu/HFCNotificator.git
synced 2024-11-16 15:24:51 +02:00
288 lines
9.4 KiB
Python
288 lines
9.4 KiB
Python
import json
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import logging
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import os
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import time
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from typing import Sequence
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from dotenv import load_dotenv
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from mysql import connector as mysql
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load_dotenv()
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DB_USERNAME = os.getenv('DB_USERNAME')
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DB_PASSWORD = os.getenv('DB_PASSWORD')
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class Area:
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def __init__(self, id: int, name: str):
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self.id = id
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self.name = name
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@staticmethod
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def from_tuple(tup: Sequence):
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return Area(tup[0], tup[1])
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class District:
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def __init__(self, id: int, name: str, area_id: int, migun_time: int):
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self.id = id
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self.name = name
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self.area_id = area_id
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self.migun_time = migun_time
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@staticmethod
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def from_tuple(tup: Sequence):
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return District(tup[0], tup[1], tup[2], tup[3])
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class Channel:
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def __init__(self, id: int, server_id: int | None, channel_lang: str, locations: list):
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self.id = id
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self.server_id = server_id
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self.channel_lang = channel_lang
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self.locations = locations
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class Server:
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def __init__(self, id: int, lang: str):
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self.id = id
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self.lang = lang
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class ChannelIterator:
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def __init__(self, cursor: mysql.connection.MySQLCursor):
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self.cursor = cursor
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def __iter__(self):
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return self
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def __next__(self) -> Channel:
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res = self.cursor.fetchone()
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if res is None:
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self.cursor.close()
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raise StopIteration
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return Channel(res[0], res[1], res[2], json.loads(res[3]))
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class DistrictIterator:
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def __init__(self, cursor: mysql.connection.MySQLCursor):
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self.cursor = cursor
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def __iter__(self):
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return self
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def __next__(self) -> District:
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res = self.cursor.fetchone()
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if res is None:
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self.cursor.close()
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raise StopIteration
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return District.from_tuple(res)
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class DBAccess:
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def __init__(self, handler: logging.Handler = None):
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log = logging.Logger('DBAccess')
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if handler is not None:
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log.addHandler(handler)
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else:
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log.addHandler(logging.StreamHandler())
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self.connection = None
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for i in range(12):
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try:
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self.connection = mysql.connect(
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host='localhost',
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user=DB_USERNAME,
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password=DB_PASSWORD,
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database='hfc_db'
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)
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break
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except mysql.Error as e:
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self.connection = None
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log.warning(f"Couldn't connect to db. This is attempt #{i}\n{e.msg}")
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time.sleep(5)
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if self.connection is None:
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self.connection = mysql.connect(
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host='localhost',
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user=DB_USERNAME,
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password=DB_PASSWORD,
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database='hfc_db'
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)
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def add_area(self, area_id: int, area_name: str):
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with self.connection.cursor() as crsr:
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crsr.execute(f'REPLACE INTO areas (area_id, area_name) VALUES (%s, %s)', (area_id, area_name))
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self.connection.commit()
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def add_district(self, district_id: int, district_name: str, area_id: int, area_name: str, migun_time: int):
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with self.connection.cursor() as crsr:
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crsr.execute(f'SELECT * FROM areas WHERE area_id=%s', (area_id,))
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crsr.fetchall()
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if crsr.rowcount == 0:
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self.add_area(area_id, area_name)
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crsr.execute(f'REPLACE INTO districts (district_id, district_name, area_id, migun_time) VALUES (%s, %s, %s, %s)', (district_id, district_name, area_id, migun_time))
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self.connection.commit()
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def add_server(self, server_id: int, server_lang: str):
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with self.connection.cursor() as crsr:
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crsr.execute(f'INSERT IGNORE INTO servers (server_id, server_lang) VALUES (%s, %s)', (server_id, server_lang))
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self.connection.commit()
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def add_channel(self, channel_id: int, server_id: int | None, channel_lang: str | None):
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with self.connection.cursor() as crsr:
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if server_id is not None:
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self.add_server(server_id, channel_lang)
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crsr.execute(f'REPLACE INTO channels (channel_id, server_id, channel_lang) VALUES (%s, %s, %s)', (channel_id, server_id, channel_lang))
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self.connection.commit()
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def get_area(self, id: int) -> Area | None:
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with self.connection.cursor() as crsr:
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crsr.execute('SELECT * FROM areas WHERE area_id=%s', (id,))
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res = crsr.fetchone()
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crsr.fetchall()
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if res is not None:
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return Area.from_tuple(res)
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else:
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return None
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def get_district(self, id: int) -> District | None:
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with self.connection.cursor() as crsr:
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crsr.execute('SELECT * FROM districts WHERE district_id=%s', (id,))
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res = crsr.fetchone()
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crsr.fetchall()
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if res is not None:
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return District.from_tuple(res)
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else:
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return None
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def get_district_area(self, district: District) -> Area | None:
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return self.get_area(district.area_id)
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def get_server(self, id: int) -> Server | None:
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with self.connection.cursor() as crsr:
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crsr.execute('SELECT * FROM servers WHERE server_id=%s', (id,))
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res = crsr.fetchone()
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crsr.fetchall()
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if res is not None:
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return Server(res[0], res[1])
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else:
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return None
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def get_channel(self, id: int) -> Channel | None:
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with self.connection.cursor() as crsr:
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crsr.execute('SELECT * FROM channels WHERE channel_id=%s', (id,))
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res = crsr.fetchone()
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crsr.fetchall()
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if res is not None:
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return Channel(res[0], res[1], res[2], json.loads(res[3]))
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else:
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return None
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def get_channel_server(self, channel: Channel) -> Server:
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return self.get_server(channel.server_id)
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def channel_iterator(self):
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crsr = self.connection.cursor()
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crsr.execute('SELECT * FROM channels')
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return ChannelIterator(crsr)
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def remove_channel(self, id: int):
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print(id)
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with self.connection.cursor() as crsr:
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crsr.execute('DELETE FROM channels WHERE channel_id=%s', (id,))
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self.connection.commit()
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def remove_server(self, id: int):
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with self.connection.cursor() as crsr:
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crsr.execute('DELETE FROM channels WHERE server_id=%s', (id,))
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crsr.execute('DELETE FROM servers WHERE server_id=%s', (id,))
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self.connection.commit()
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def remove_district(self, id: int):
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with self.connection.cursor() as crsr:
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crsr.execute('DELETE FROM districts WHERE district_id=%s', (id,))
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self.connection.commit()
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def remove_area(self, id: int):
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with self.connection.cursor() as crsr:
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crsr.execute('DELETE FROM districts WHERE area_id=%s', (id,))
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crsr.execute('DELETE FROM areas WHERE area_id=%s', (id,))
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self.connection.commit()
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def get_district_by_name(self, name: str) -> District | None:
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with self.connection.cursor() as crsr:
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crsr.execute('SELECT * FROM districts WHERE district_name=%s', (name,))
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res = crsr.fetchone()
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crsr.fetchall()
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if res is None:
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return None
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return District.from_tuple(res)
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def get_all_districts(self) -> Sequence:
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with self.connection.cursor() as crsr:
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crsr.execute('SELECT * FROM districts')
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ret = crsr.fetchall()
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return ret
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def district_iterator(self) -> DistrictIterator:
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crsr = self.connection.cursor()
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crsr.execute('SELECT * FROM district')
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return DistrictIterator(crsr)
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def add_channel_district(self, channel_id: int, district_id: int):
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with self.connection.cursor() as crsr:
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crsr.execute("UPDATE channels "
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"SET locations = JSON_ARRAY_APPEND(locations, '$', %s) "
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"WHERE channel_id=%s;",
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(district_id, channel_id))
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self.connection.commit()
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def add_channel_districts(self, channel_id: int, district_ids: list[int]):
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with self.connection.cursor() as crsr:
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crsr.execute("UPDATE channels "
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"SET locations = JSON_MERGE_PATCH(locations, %s) "
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"WHERE channel_id=%s;",
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(json.dumps(district_ids), channel_id))
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self.connection.commit()
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def get_channel_districts(self, channel_id: int) -> list:
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with self.connection.cursor() as crsr:
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crsr.execute('SELECT locations '
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'FROM channels '
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'WHERE channel_id=%s;', (channel_id,))
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districts = []
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dist = crsr.fetchone()
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while dist is not None:
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districts.append(json.loads(dist[0]))
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dist = crsr.fetchone()
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return districts
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def remove_channel_districts(self, channel_id: int, district_ids: list[int]):
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with self.connection.cursor() as crsr:
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districts = self.get_channel_districts(channel_id)
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updated = [district for district in districts if district not in district_ids]
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crsr.execute('UPDATE channels '
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'SET locations = %s '
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'WHERE channel_id = %s;',
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(json.dumps(updated), channel_id))
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self.connection.commit()
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