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import fs from "fs";
import { Environment } from "..";
import { PluginConfigEntity } from "../entities/PluginConfig";
// TODO: yaml instead of json
const overridePath = process.env.PLUGIN_CONFIG_PATH ?? "";
let config: any;
let pairs: PluginConfigEntity[];
// TODO: use events to inform about config updates
// Config keys are separated with _
export const PluginConfig = {
init: async function init() {
if (config) return config;
console.log("[PluginConfig] Loading configuration...");
pairs = await PluginConfigEntity.find();
config = pairsToConfig(pairs);
//config = (config || {}).merge(new ConfigValue());
//config = OrmUtils.mergeDeep(new ConfigValue(), config)
if (process.env.PLUGIN_CONFIG_PATH)
try {
const overrideConfig = JSON.parse(fs.readFileSync(overridePath, { encoding: "utf8" }));
config = overrideConfig.merge(config);
} catch (error) {
fs.writeFileSync(overridePath, JSON.stringify(config, null, 4));
}
return this.set(config);
},
get: function get() {
if (!config) {
if (Environment.isDebug)
console.log(
"Oops.. trying to get config without config existing... Returning defaults... (Is the database still initialising?)"
);
return {};
}
return config;
},
set: function set(val: Partial<any>) {
if (!config || !val) return;
config = val.merge(config);
return applyConfig(config);
}
};
function applyConfig(val: any) {
async function apply(obj: any, key = ""): Promise<any> {
if (typeof obj === "object" && obj !== null && !(obj instanceof Date))
return Promise.all(Object.keys(obj).map((k) => apply(obj[k], key ? `${key}_${k}` : k)));
let pair = pairs.find((x) => x.key === key);
if (!pair) pair = new PluginConfigEntity();
pair.key = key;
if (pair.value != obj) {
pair.value = obj;
if (!pair.key || pair.key == null) {
console.log(`[PluginConfig] WARN: Empty key`);
console.log(pair);
if (Environment.isDebug) debugger;
} else return pair.save();
}
}
if (process.env.PLUGIN_CONFIG_PATH) {
if (Environment.isDebug) console.log(`Writing config: ${process.env.PLUGIN_CONFIG_PATH}`);
fs.writeFileSync(overridePath, JSON.stringify(val, null, 4));
}
return apply(val);
}
function pairsToConfig(pairs: PluginConfigEntity[]) {
let value: any = {};
pairs.forEach((p) => {
const keys = p.key.split("_");
let obj = value;
let prev = "";
let prevObj = obj;
let i = 0;
for (const key of keys) {
if (!isNaN(Number(key)) && !prevObj[prev]?.length) prevObj[prev] = obj = [];
if (i++ === keys.length - 1) obj[key] = p.value;
else if (!obj[key]) obj[key] = {};
prev = key;
prevObj = obj;
obj = obj[key];
}
});
return value;
}
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