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satyr/src/cleanup.ts

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import * as db from "./database";
import {readdirSync} from "fs";
import { execSync } from "child_process";
async function init() {
if(process.argv.indexOf('--skip-migrate') === -1){
console.log('Checking database version.');
var tmp: string[] = await db.query('show tables like \"db_meta\"');
if(tmp.length === 0){
console.log('No database version info, running initial migration.');
await require('./db/0').run();
await bringUpToDate();
}
else {
await bringUpToDate();
}
}
else {
console.log('Skipping database version check.');
}
if(!require('./config').config['http']['server_side_render'] && process.argv.indexOf('--skip-compile') === -1) {
console.log("Compiling templates for client-side frontend.");
execSync(process.cwd()+'/node_modules/.bin/nunjucks-precompile -i [\"\\.html$\",\"\\.njk$\"] templates > site/templates.js');
}
else if(!require('./config').config['http']['server_side_render']){
console.log("Skipped compiling templates for client-side frontend.");
}
//If satyr is restarted in the middle of a stream
//it causes problems
//Live flags in the database stay live
await db.query('update user_meta set live=false');
}
async function bringUpToDate(): Promise<void>{
var versions: Object[] = await db.query('select * from db_meta');
var scripts: Buffer[] | string[] = readdirSync('./src/db/', {withFileTypes: false});
var diff: number = scripts.length - versions.length
if(diff === 0){
console.log('No migration needed.');
} else {
console.log('Versions differ, migrating now.');
for(let i=0;i<diff;i++){
console.log('Migration to version '+Math.floor(scripts.length-(diff-i)));
await require('./db/'+scripts[Math.floor(scripts.length-(diff-i))]).run();
}
console.log('Done migrating database.');
}
}
export { init };