mrmBot-Matrix/utils/database/sqlite.js

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import { commands, messageCommands, disabledCache, disabledCmdCache, prefixCache } from "../collections.js";
import sqlite3 from "better-sqlite3";
const connection = sqlite3(process.env.DB.replace("sqlite://", ""));
const schema = `
CREATE TABLE channels (
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guild_id VARCHAR(30) NOT NULL PRIMARY KEY,
prefix VARCHAR(15) NOT NULL,
disabled text NOT NULL,
disabled_commands text NOT NULL
);
CREATE TABLE counts (
command VARCHAR NOT NULL PRIMARY KEY,
count integer NOT NULL
);
CREATE TABLE tags (
guild_id VARCHAR(30) NOT NULL,
name text NOT NULL,
content text NOT NULL,
author VARCHAR(30) NOT NULL,
UNIQUE(guild_id, name)
);
CREATE TABLE settings (
id smallint PRIMARY KEY,
broadcast VARCHAR,
CHECK(id = 1)
);
INSERT INTO settings (id) VALUES (1);
`;
const updates = [
"", // reserved
"ALTER TABLE channels ADD COLUMN accessed int",
"ALTER TABLE channels DROP COLUMN accessed",
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`CREATE TABLE settings (
id smallint PRIMARY KEY,
broadcast VARCHAR,
CHECK(id = 1)
);
INSERT INTO settings (id) VALUES (1);`,
];
export async function setup() {
const existingCommands = connection.prepare("SELECT command FROM counts").all().map(x => x.command);
const commandNames = [...commands.keys(), ...messageCommands.keys()];
for (const command of existingCommands) {
if (!commandNames.includes(command)) {
connection.prepare("DELETE FROM counts WHERE command = ?").run(command);
}
}
for (const command of commandNames) {
if (!existingCommands.includes(command)) {
connection.prepare("INSERT INTO counts (command, count) VALUES (?, ?)").run(command, 0);
}
}
}
export async function stop() {
connection.close();
}
export async function upgrade(logger) {
connection.exec("BEGIN TRANSACTION");
try {
let version = connection.pragma("user_version", { simple: true });
const latestVersion = updates.length - 1;
if (version == 0) {
logger.info("Initializing SQLite database...");
connection.exec(schema);
} else if (version < latestVersion) {
logger.info(`Migrating SQLite database at ${process.env.DB}, which is currently at version ${version}...`);
while (version < latestVersion) {
version++;
logger.info(`Running version ${version} update script...`);
connection.exec(updates[version]);
}
} else if (version > latestVersion) {
throw new Error(`SQLite database is at version ${version}, but this version of the bot only supports up to version ${latestVersion}.`);
} else {
return;
}
connection.pragma(`user_version = ${latestVersion}`); // prepared statements don't seem to work here
} catch (e) {
logger.error(`SQLite migration failed: ${e}`);
connection.exec("ROLLBACK");
logger.error("Unable to start the bot, quitting now.");
return 1;
}
connection.exec("COMMIT");
}
export async function addCount(command) {
connection.prepare("UPDATE counts SET count = count + 1 WHERE command = ?").run(command);
}
export async function getCounts() {
const counts = connection.prepare("SELECT * FROM counts").all();
const countObject = {};
for (const { command, count } of counts) {
countObject[command] = count;
}
return countObject;
}
export async function disableCommand(channel, command) {
const channelDB = await this.getGuild(channel);
connection.prepare("UPDATE channels SET disabled_commands = ? WHERE guild_id = ?").run(JSON.stringify((channelDB.disabledCommands ? [...JSON.parse(channelDB.disabledCommands), command] : [command]).filter((v) => !!v)), channel);
disabledCmdCache.set(channel, channelDB.disabled_commands ? [...JSON.parse(channelDB.disabledCommands), command] : [command].filter((v) => !!v));
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}
export async function enableCommand(channel, command) {
const channelDB = await this.getGuild(channel);
const newDisabled = channelDB.disabledCommands ? JSON.parse(channelDB.disabledCommands).filter(item => item !== command) : [];
connection.prepare("UPDATE channels SET disabled_commands = ? WHERE guild_id = ?").run(JSON.stringify(newDisabled), channel);
disabledCmdCache.set(channel, newDisabled);
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}
export async function disableChannel(channel) {
const channelDB = await this.getGuild(channel.channelID);
connection.prepare("UPDATE channels SET disabled = ? WHERE guild_id = ?").run(JSON.stringify([...JSON.parse(channelDB.disabled), channel]), channel.channelID);
disabledCache.set(channel.channelID, [...JSON.parse(channelDB.disabled), channel]);
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}
export async function enableChannel(channel) {
const channelDB = await this.getGuild(channel.channelID);
const newDisabled = JSON.parse(channelDB.disabled).filter(item => item !== channel);
connection.prepare("UPDATE channels SET disabled = ? WHERE guild_id = ?").run(JSON.stringify(newDisabled), channel.channelID);
disabledCache.set(channel.channelID, newDisabled);
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}
export async function getTag(channel, tag) {
const tagResult = connection.prepare("SELECT * FROM tags WHERE guild_id = ? AND name = ?").get(channel, tag);
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return tagResult ? { content: tagResult.content, author: tagResult.author } : undefined;
}
export async function getTags(channel) {
const tagArray = connection.prepare("SELECT * FROM tags WHERE guild_id = ?").all(channel);
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const tags = {};
if (!tagArray) return [];
for (const tag of tagArray) {
tags[tag.name] = { content: tag.content, author: tag.author };
}
return tags;
}
export async function setTag(name, content, channel) {
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const tag = {
id: channel,
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name: name,
content: content.content,
author: content.author
};
connection.prepare("INSERT INTO tags (guild_id, name, content, author) VALUES (@id, @name, @content, @author)").run(tag);
}
export async function removeTag(name, channel) {
connection.prepare("DELETE FROM tags WHERE guild_id = ? AND name = ?").run(channel, name);
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}
export async function editTag(name, content, channel) {
connection.prepare("UPDATE tags SET content = ?, author = ? WHERE guild_id = ? AND name = ?").run(content.content, content.author, channel, name);
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}
export async function setBroadcast(msg) {
connection.prepare("UPDATE settings SET broadcast = ? WHERE id = 1").run(msg);
}
export async function getBroadcast() {
const result = connection.prepare("SELECT broadcast FROM settings WHERE id = 1").all();
return result[0].broadcast;
}
export async function setPrefix(prefix, channel) {
connection.prepare("UPDATE channels SET prefix = ? WHERE guild_id = ?").run(prefix, channel);
prefixCache.set(channel, prefix);
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}
export async function getGuild(query) {
let channel;
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connection.transaction(() => {
channel = connection.prepare("SELECT * FROM channels WHERE guild_id = ?").get(query);
if (!channel) {
channel = {
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id: query,
prefix: process.env.PREFIX,
disabled: "[]",
disabledCommands: "[]"
};
connection.prepare("INSERT INTO channels (guild_id, prefix, disabled, disabled_commands) VALUES (@id, @prefix, @disabled, @disabledCommands)").run(channel);
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}
})();
return channel;
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}