feat: use character data from database

src/armory/Config.ts

@@ -0,0 +1,60 @@
+import * as fs from "fs";
+const fsp = fs.promises;
+
+export interface IDatabaseConfig {
+	host: string;
+	port: number;
+	user: string;
+	password: string;
+	database: string;
+}
+
+export interface IRealmConfig {
+	name: string;
+	database: IDatabaseConfig;
+}
+
+export class Config {
+	public realms: IRealmConfig[];
+
+	private static checkedMissingField: boolean = false;
+
+	public static async load(): Promise<Config> {
+		const json: Buffer = await fsp.readFile("config.json");
+		const config = JSON.parse(json.toString()) as Config;
+
+		if (!Config.checkedMissingField) {
+			const defaultConfigJson = await fsp.readFile("config.default.json");
+			const defaultConfig = JSON.parse(defaultConfigJson.toString());
+			Config.checkAllMissingFields(config, defaultConfig);
+			Config.checkedMissingField = true;
+		}
+
+		return config;
+	}
+
+	private static checkAllMissingFields(obj: object, model: object, parentName: string = "") {
+		const missing = Config.hasMissingFields(obj, model);
+		if (parentName !== "") {
+			parentName += ".";
+		}
+		for (const field of missing) {
+			console.warn(`Field ${parentName}${field} is missing in config.json!`);
+		}
+		for (const key in model) {
+			if (typeof model[key] === "object" && obj.hasOwnProperty(key)) {
+				Config.checkAllMissingFields(obj[key], model[key], parentName + key);
+			}
+		}
+	}
+
+	private static hasMissingFields(obj: object, model: object): string[] {
+		const missing = [];
+		for (const key in model) {
+			if (!obj.hasOwnProperty(key)) {
+				missing.push(key);
+			}
+		}
+		return missing;
+	}
+};