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import Dexie, { Table } from "dexie";
import { IConfig, DEFAULT_CONFIG } from "./types";
export class ConfigManager extends Dexie {
configs!: Table<IConfig>;
private static instance: ConfigManager;
private currentConfig: IConfig | null = null;
private constructor() {
super("configs");
this.version(1).stores({
configs: "id, createdAt, updatedAt",
});
this.initialize();
}
public static getInstance(): ConfigManager {
if (!ConfigManager.instance) {
ConfigManager.instance = new ConfigManager();
}
return ConfigManager.instance;
}
async initialize() {
const configs = await this.configs.toArray();
if (configs.length === 0) {
// Create default config if none exists
const defaultConfig: IConfig = {
...DEFAULT_CONFIG,
id: crypto.randomUUID(),
createdAt: Date.now(),
updatedAt: Date.now(),
};
await this.configs.add(defaultConfig);
this.currentConfig = defaultConfig;
} else {
// Use the most recently updated config
this.currentConfig = configs.sort((a, b) => b.updatedAt - a.updatedAt)[0];
}
return this.currentConfig;
}
async getConfig(): Promise<IConfig> {
if (!this.currentConfig) {
await this.initialize();
}
return this.currentConfig!;
}
async updateConfig(updates: Partial<Omit<IConfig, 'id' | 'createdAt' | 'updatedAt'>>): Promise<IConfig> {
const current = await this.getConfig();
const updatedConfig: IConfig = {
...current,
...updates,
updatedAt: Date.now(),
};
await this.configs.put(updatedConfig);
this.currentConfig = updatedConfig;
return updatedConfig;
}
async resetToDefaults(): Promise<IConfig> {
const current = await this.getConfig();
const resetConfig: IConfig = {
...DEFAULT_CONFIG,
id: current.id,
createdAt: current.createdAt,
updatedAt: Date.now(),
};
await this.configs.put(resetConfig);
this.currentConfig = resetConfig;
return resetConfig;
}
}
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