feat: add entropy to shifts

Author: AaronPerezPerez

src/config.ts

@@ -1,14 +1,12 @@
 import parseArgs from "https://deno.land/x/[email protected]/mod.ts";
-import { printHelp } from "./printHelp.ts";
 
 const env = await Promise.resolve().then(() => Deno.env.toObject()).catch(
-  () => ({})
+  () => ({}),
 );
 
 const args: any = parseArgs(Deno.args);
 
 if (args.help) {
-  printHelp();
   Deno.exit();
 }
 
@@ -22,4 +20,6 @@ export const config = {
   USER_EMAIL: args.e || args.email || env.FACTORIAL_USER_EMAIL || "???",
   USER_PASSWORD: args.p || args.password || env.FACTORIAL_USER_PASSWORD ||
     "???",
+  SHIFT_MINUTES_RANDOMNESS: args.minutesRandomness ||
+    env.SHIFT_MINUTES_RANDOMNESS || 3,
 };

src/factorial.ts

@@ -19,6 +19,13 @@ cli
     {
       default: config.MONTH,
     },
+  )
+    .option(
+    "--randomness <randomness>",
+    "Sets amount of minutes for the randomness.",
+    {
+      default: config.SHIFT_MINUTES_RANDOMNESS,
+    },
   )
   .option(
     "--email <email>",
@@ -31,15 +38,15 @@ cli
     "--password <password>",
     "The password of your factorial account. Also configurable via FACTORIAL_USER_PASSWORD env variable.",
   )
-  .example("factorial fill-shifts --year 2021 --month 1")
-  .action(({ year, month, email, password = config.USER_PASSWORD }) => {
+  .example("factorial fill-shifts --year 2021 --month 1 --randomness 5")
+  .action(({ year, month, randomness, email, password = config.USER_PASSWORD }) => {
     if (email === "???" || password === "???") {
       console.log("error: Missing email/password\n");
       console.log("For more information try --help");
       Deno.exit(1);
     }
 
-    return fillShifts(email, password, year, month);
+    return fillShifts(email, password, year, month, randomness);
   });
 
 cli.help();

src/fillShift.ts

@@ -2,12 +2,14 @@ import { HttpClientFetch } from "./api/HttpClientFetch.ts";
 import { QueryStringServiceImpl } from "./api/services/QueryStringServiceImpl.ts";
 import { CookieParserServiceImpl } from "./api/services/CookieParserServiceImpl.ts";
 import { createFactorialClient } from "./createFactorialClient.ts";
+import { addRandomnessToTime } from "./utils/addRandomnessToTime.ts";
 
 export async function fillShifts(
   email: string,
   password: string,
   year: number,
   month: number,
+  randomness: number,
 ) {
   const client = HttpClientFetch.create(
     { baseURL: "https://api.factorialhr.com" },
@@ -60,14 +62,25 @@ export async function fillShifts(
     month,
   });
 
+
   for (const day of calendar) {
     if (factorial.isLaborable(day) && factorial.isInThePast(day)) {
-      console.log(`Establishing shift for day ${day.day}`);
+      const clockIn = {
+        hours: "08",
+        minutes: addRandomnessToTime(25, randomness).toString().padStart(1, "0"),
+      };
+      const clockOut = {
+        hours: "16",
+        minutes: addRandomnessToTime(35, randomness).toString().padStart(1, "0"),
+      };
+
+      console.log(`Establishing shift for day ${day.day.toString().padStart(2, "0")} --> [${clockIn.hours}:${clockIn.minutes} - ${clockOut.hours}:${clockOut.minutes}]`);
+
 
       await factorial.createShift({
         periodId: period.id,
-        clockIn: "08:00",
-        clockOut: "16:00",
+        clockIn: `${clockIn.hours}:${clockIn.minutes}`,
+        clockOut: `${clockOut.hours}:${clockOut.minutes}`,
         minutes: 0,
         day: day.day,
         observations: null,

src/utils/addRandomnessToTime.ts

@@ -0,0 +1,3 @@
+export const addRandomnessToTime = (timeInMinutes: number, randomness: number) =>
+    (Math.ceil(Math.random() * randomness) *
+        (Math.round(Math.random()) ? 1 : -1)) + timeInMinutes;