Add CLI options

src/cli/index.ts

@@ -0,0 +1,34 @@
+import dayjs from "dayjs";
+import { CLIOptions } from "@types";
+import { program } from "commander";
+import { parseConfig } from "../config";
+import { Fetcher } from "../fetcher";
+import { Tauron } from "../tauron";
+
+export const run = () => {
+  const options = program
+    .name('tauron-scrapper')
+    .description('CLI tool which fetches the data from Tauron API')
+    .version('0.0.1')
+    .requiredOption('-c, --config <file>', 'sets the path to the YAML config file')
+    .requiredOption('-d, --date <date>', 'sets the date of measurement intended to be fetched (in YYYY-MM-DD format)')
+    .parse()
+    .opts<CLIOptions>();
+
+  const config = parseConfig(options.config);
+
+  if (config.timezone) {
+    dayjs.tz.setDefault(config.timezone);
+  }
+
+  const date = dayjs(options.date, 'YYYY-MM-DD');
+  
+  if (!date.isValid) {
+    throw new Error(`Invalid date: ${options.date}, expected date to be of 'YYYY-MM-DD' format`);
+  }
+
+  const tauron = new Tauron(config.tauron);
+  const fetcher = new Fetcher(config, tauron);
+
+  fetcher.fetch(date);
+}

src/index.ts

@@ -3,13 +3,9 @@
 import dayjs from "dayjs";
 import utc from "dayjs/plugin/utc";
 import timezone from "dayjs/plugin/timezone";
-import { parseConfig } from "./config";
+import { run } from "./cli";
 
 dayjs.extend(utc);
 dayjs.extend(timezone);
 
-const config = parseConfig('./config.yaml');
-
-if (config.timezone) {
-  dayjs.tz.setDefault(config.timezone);
-}
+run();

src/types/cli.ts

@@ -0,0 +1,4 @@
+export type CLIOptions = {
+  config: string;
+  date: string;
+}

src/types/index.ts

@@ -4,3 +4,4 @@ export * from './fetcher';
 export * from './influxdb';
 export * from './mqtt';
 export * from './tauron';
+export * from './cli';