49 lines
1.7 KiB
TypeScript
49 lines
1.7 KiB
TypeScript
import fs from 'fs/promises';
|
|
import axios, { AxiosResponse } from 'axios';
|
|
|
|
export class RuleDownloader {
|
|
static instance: RuleDownloader;
|
|
private readonly baseUrl = 'https://get.dgc.gov.it';
|
|
private readonly timeSpan = 86400000;
|
|
// private readonly timeSpan = 1;
|
|
private readonly keyStorage = 'rules.json'
|
|
// private readonly timeSpan = 1000;
|
|
public rules:unknown[] = []
|
|
// eslint-disable-next-line @typescript-eslint/no-empty-function
|
|
constructor(){}
|
|
|
|
public async getRules(): Promise<unknown[]> {
|
|
let data = '{}';
|
|
try {
|
|
const file = await fs.open(this.keyStorage,'r');
|
|
data = (await file.readFile()).toString('utf-8');
|
|
await file.close();
|
|
const savedData = JSON.parse(data);
|
|
if(savedData.lastupdateDate == null || Date.now() - savedData?.lastupdateDate > this.timeSpan){
|
|
await this.getSettings();
|
|
} else {
|
|
this.rules = savedData.rules;
|
|
}
|
|
return this.rules;
|
|
} catch (error) {
|
|
console.log(error);
|
|
if(error.code == 'ENONET'){
|
|
await fs.writeFile(this.keyStorage,'{}');
|
|
} else {
|
|
console.log(error);
|
|
}
|
|
}
|
|
}
|
|
|
|
private async getSettings(): Promise<unknown[]>{
|
|
const response:AxiosResponse<unknown[]> = await axios.get(`${this.baseUrl}/v1/dgc/settings`);
|
|
const jsonData = response.data;
|
|
// this.rules = Rule.fromJSON(jsonData,{valueSets, validationClock:new Date().toISOString(),})
|
|
this.rules = jsonData;
|
|
// localStorage.setItem(this.keyStorage, JSON.stringify({rules:this.rules,lastupdateDate:Date.now()}));
|
|
const file = await fs.open(this.keyStorage,'w');
|
|
file.writeFile(JSON.stringify({rules:this.rules,lastupdateDate:Date.now()}));
|
|
await file.close();
|
|
return jsonData;
|
|
}
|
|
} |