Reworked all database connections within main.py

Database connections should now be asynchronous
SQL statements now can handle duplicate key entries
pull/8/head
sgoudham 4 years ago
parent 7e9a8aeaab
commit fe2d1ac0b3

@ -1,11 +1,9 @@
import asyncio
import datetime
import string
from contextlib import closing
from typing import Optional
import discord
import mariadb
from decouple import config
from discord import Embed
from discord.ext import commands, tasks
@ -14,11 +12,11 @@ from discord.ext.commands import when_mentioned_or, is_owner, guild_only, has_pe
import db
import settings
from cogs.help import HelpPaginator
from db import connection2
from settings import blank_space, enso_embedmod_colours, enso_guild_ID, enso_newpeople_ID, get_prefix_for_guild, \
storage_prefix_for_guild, cache_prefix, del_cache_prefix, del_modlog_channel, cache_modlogs
counter = 0
# Getting the Bot token from Environment Variables
API_TOKEN = config('DISCORD_TOKEN')
@ -155,18 +153,20 @@ async def _help(ctx, *, command: Optional[str] = None):
@client.command(name="reloaddb", hidden=True)
@is_owner()
async def reload_db(ctx):
pool = await db.connection2(db.loop)
# Setup pool
pool = await connection2(db.loop)
# Setup up pool connection and cursor
async with pool.acquire() as conn:
async with conn.cursor() as cur:
# Define the insert statement that will insert the user's information
insert = "INSERT IGNORE INTO members (guildID, discordID) VALUES " + ", ".join(
map(lambda m: f"({ctx.guild.id}, {m.id})", ctx.guild.members))
insert = """INSERT INTO members (guildID, discordID) VALUES """ + ", ".join(
map(lambda m: f"({ctx.guild.id}, {m.id})",
ctx.guild.members)) + """ ON DUPLICATE KEY UPDATE guildID = VALUES(guildID), discordID = VALUES(discordID)"""
try: # Execute the query
await cur.execute(insert)
except Exception as e:
print(e)
# Execute the insert statement
await cur.execute(insert)
await conn.commit()
print(cur.rowcount, f"Record(s) inserted successfully into Members from {ctx.guild.name}")
@ -201,28 +201,32 @@ async def on_guild_join(guild):
# Store default modlogs channel within cache
cache_modlogs(str(guild.id), channel=None)
try:
# Set up connection to database
with db.connection() as conn:
# Setup pool
pool = await connection2(db.loop)
# Setup up pool connection and cursor
async with pool.acquire() as conn:
async with conn.cursor() as cur:
# Define the insert statement for inserting the guild into the guilds table
insert_query = """INSERT IGNORE INTO guilds (guildID) VALUES (?)"""
insert_query = """INSERT INTO guilds (guildID) VALUES (%s) ON DUPLICATE KEY UPDATE guildID = VALUES(guildID)"""
val = guild.id,
with closing(conn.cursor()) as cursor:
# Execute the query
cursor.execute(insert_query, val)
print(cursor.rowcount, f"Record inserted successfully into Guilds from {guild.name}")
# Execute the query
await cur.execute(insert_query, val)
await conn.commit()
print(cur.rowcount, f"Record(s) inserted successfully into Guilds from {guild.name}")
async with pool.acquire() as conn:
async with conn.cursor() as cur:
# Define the insert statement that will insert the user's information
insert = "INSERT IGNORE INTO members (guildID, discordID) VALUES" + ", ".join(
map(lambda m: f"({guild.id}, {m.id})", guild.members))
with closing(conn.cursor()) as cursor:
# Execute the query
cursor.execute(insert)
print(cursor.rowcount, f"Record(s) inserted successfully into Members from {guild.name}")
insert = """INSERT INTO members (guildID, discordID) VALUES""" + ", ".join(
map(lambda m: f"({guild.id}, {m.id})",
guild.members)) + """ ON DUPLICATE KEY UPDATE guildID = VALUES(guildID), discordID = VALUES(discordID)"""
except mariadb.Error as ex:
print("Parameterized Query Failed: {}".format(ex))
# Execute the query
await cur.execute(insert)
await conn.commit()
print(cur.rowcount, f"Record(s) inserted successfully into Members from {guild.name}")
# Bot event for the bot leaving a guild, deleted all users stored in the database
@ -234,28 +238,32 @@ async def on_guild_remove(guild):
del_cache_prefix(str(guild.id))
del_modlog_channel(str(guild.id))
try:
# Set up connection to database
with db.connection() as conn:
# Setup pool
pool = await connection2(db.loop)
# Setup pool connection and cursor
async with pool.acquire() as conn:
async with conn.cursor() as cur:
# Delete the guild and prefix information as the bot leaves the server
delete_query = """DELETE FROM guilds WHERE guildID = (?)"""
delete_query = """DELETE FROM guilds WHERE guildID = %s"""
val = guild.id,
with closing(conn.cursor()) as cursor:
# Execute the query
cursor.execute(delete_query, val)
print(cursor.rowcount, f"Record deleted successfully from Guild {guild.name}")
# Execute the query
await cur.execute(delete_query, val)
await conn.commit()
print(cur.rowcount, f"Record deleted successfully from Guild {guild.name}")
# Setup pool connection and cursor
async with pool.acquire() as conn:
async with conn.cursor() as cur:
# Delete the record of the member as the bot leaves the server
delete_query = """DELETE FROM members WHERE guildID = (?)"""
delete_query = """DELETE FROM members WHERE guildID = %s"""
vals = guild.id,
with closing(conn.cursor()) as cursor:
# Execute the SQL Query
cursor.execute(delete_query, vals)
print(cursor.rowcount, f"Record(s) deleted successfully from Members from {guild.name}")
except mariadb.Error as ex:
print("Parameterized Query Failed: {}".format(ex))
# Execute the query
await cur.execute(delete_query, vals)
await conn.commit()
print(cur.rowcount, f"Record(s) deleted successfully from Members from {guild.name}")
# Bot event for new member joining, sending an embed introducing them to the server
@ -264,21 +272,21 @@ async def on_member_join(member):
# Get the guild
guild = member.guild
try:
# Set up connection to database
with db.connection() as conn:
# Setup pool
pool = await db.connection2(db.loop)
# Setup pool connection and cursor
async with pool.acquire() as conn:
async with conn.cursor() as cur:
# Define the insert statement that will insert the user's information
insert_query = """INSERT IGNORE INTO members (guildID, discordID) VALUES (?, ?)"""
insert_query = """INSERT INTO members (guildID, discordID) VALUES (%s, %s)
ON DUPLICATE KEY UPDATE guildID = VALUES(guildID), discordID = VALUES(discordID)"""
vals = member.guild.id, member.id,
with closing(conn.cursor()) as cursor:
# Execute the SQL Query
cursor.execute(insert_query, vals)
conn.commit()
print(cursor.rowcount, "Record inserted successfully into Members")
except mariadb.Error as ex:
print("Parameterized Query Failed: {}".format(ex))
# Execute the SQL Query
await cur.execute(insert_query, vals)
await conn.commit()
print(cur.rowcount, "Record(s) inserted successfully into Members")
# Make sure the guild is Enso
if guild.id != enso_guild_ID:

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