Kaktus dobíječka

bares43/kaktus-dobijecka

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Actor which checks date of top up double action for Czech phone operator Kaktus. It returns date and from-to when this action was available for last time. It's possible to set e-mail for sending notification if the day is today.

.dockerignore

# configurations
.idea

# crawlee and apify storage folders
apify_storage
crawlee_storage
storage

# installed files
node_modules

# git folder
.git

.editorconfig

root = true

[*]
indent_style = space
indent_size = 4
charset = utf-8
trim_trailing_whitespace = true
insert_final_newline = true
end_of_line = lf

.eslintrc

{
    "extends": "@apify",
    "root": true,
    "rules": {
      "padded-blocks": "off",
      "indent": [
        "warn",
        2
      ],
      "eol-last": "off",
      "max-classes-per-file": "off",
      "radix": "off",
      "no-undef": "off",
      "import/extensions": "off",
      "max-len": "off",
      "no-trailing-spaces": "off",
      "object-shorthand": "off"
    }
}

.gitignore

# This file tells Git which files shouldn't be added to source control

.idea
dist
node_modules
apify_storage
storage

apify_storage

apify.json

{
	"name": "kaktus-dobijecka",
	"version": "0.0",
	"buildTag": "latest",
	"env": null,
	"template": "project_cheerio_crawler_js"
}

Dockerfile

# Specify the base Docker image. You can read more about
# the available images at https://sdk.apify.com/docs/guides/docker-images
# You can also use any other image from Docker Hub.
FROM apify/actor-node:16

# Copy just package.json and package-lock.json
# to speed up the build using Docker layer cache.
COPY package*.json ./

# Install NPM packages, skip optional and development dependencies to
# keep the image small. Avoid logging too much and print the dependency
# tree for debugging
RUN npm --quiet set progress=false \
    && npm install --omit=dev --omit=optional \
    && echo "Installed NPM packages:" \
    && (npm list --omit=dev --all || true) \
    && echo "Node.js version:" \
    && node --version \
    && echo "NPM version:" \
    && npm --version \
    && rm -r ~/.npm

# Next, copy the remaining files and directories with the source code.
# Since we do this after NPM install, quick build will be really fast
# for most source file changes.
COPY . ./


# Run the image.
CMD npm start --silent

INPUT_SCHEMA.json

{
    "title": "CheerioCrawler Template",
    "type": "object",
    "schemaVersion": 1,
    "properties": {
        "email": {
          "title": "E-mail data",
          "type": "array",
          "description": "Set to, cc and bcc. You can set more objects with addresses, in this case more e-mails will be sent.",
          "prefill": [{"to": "your@email.com"}],
          "editor": "json"
      }
    }
}

package.json

{
	"name": "kaktus-dobijecka",
	"version": "0.0.1",
	"type": "module",
	"description": "This is a boilerplate of an Apify actor.",
	"engines": {
		"node": ">=16.0.0"
	},
	"dependencies": {
		"apify": "^3.0.0",
		"crawlee": "^3.0.0"
	},
	"devDependencies": {
		"@apify/eslint-config": "^0.3.1",
		"chai": "^4.3.6",
		"eslint": "^8.20.0",
		"mocha": "^10.1.0"
	},
	"scripts": {
		"start": "node src/main.js",
		"lint": "eslint ./src --ext .js,.jsx",
		"lint:fix": "eslint ./src --ext .js,.jsx --fix",
		"test": "mocha --recursive"
	},
	"author": "It's not you it's me",
	"license": "ISC"
}

src/main.js

import { Actor } from 'apify';
import { CheerioCrawler } from 'crawlee';
import { router } from './routes.js';

await Actor.init();

const startUrls = ['https://www.mujkaktus.cz/chces-pridat'];

const crawler = new CheerioCrawler({
    requestHandler: router,
});

await crawler.run(startUrls);

await Actor.exit();

src/routes.js

import { Actor } from 'apify';
import { createCheerioRouter } from 'crawlee';
import { Utils } from './utils.js';

export const router = createCheerioRouter();

router.addDefaultHandler(async ({ $ }) => {
  for (const h3 of $('h3')) {

    const text = $(h3).text();

    const validity = Utils.parseDate(text);

    if (validity) {
      await Actor.pushData(Utils.getResult(validity, text));

      if (Utils.isSameDay(validity.date, new Date())) {

        const { email: emailsData } = await Actor.getInput();

        if (emailsData) {
          for (const emailData of emailsData) {
            await Utils.sendEmail(emailData, validity, text);
          }
        }

      }

    }
  }
});

src/utils.js

import { Actor } from 'apify';

export class Utils {

  static parseDate(input) {
    const dateRegexp = /(\d{1,2}\. ?\d{1,2}\. ?\d{4})[^\d]*(\d{1,2}:\d{1,2})[^\d]*(\d{1,2}:\d{1,2})/;

    const match = input.match(dateRegexp);

    if (match?.length === 4) {
      const date = match[1].split('.');

      const year = parseInt(date[2]);
      const month = parseInt(date[1]);
      const day = parseInt(date[0]);

      const parsedDate = new Date(year, month - 1, day);

      const from = match[2];
      const to = match[3];

      return new Validity(parsedDate, from, to);

    }

    return null;
  }

  static isSameDay(a, b) {
    return a.getDate() === b.getDate() && a.getMonth() === b.getMonth() && a.getFullYear() === b.getFullYear();
  }

  static getResult(validity, text) {
    const { date } = validity;

    return {
      Date: `${date.getFullYear()}-${(date.getMonth() + 1).toString().padStart(2, '0')}-${date.getDate().toString().padStart(2, '0')}`,
      From: validity.from,
      To: validity.to,
      Text: text,
    };
  }

  static async sendEmail(emailData, validity, text) {

    await Actor.call('apify/send-mail', {
      to: emailData.to,
      cc: emailData.cc,
      bcc: emailData.bcc,
      subject: `Kaktus dobíječka dnes od ${validity.from} do ${validity.to}`,
      text: text,
    });

  }

}

export class Validity {
  constructor(date, from, to) {
    this.date = date;
    this.from = from;
    this.to = to;
  }

}

test/test.js

import { assert } from 'chai';

import { Utils, Validity } from '../src/utils.js';

describe('isSameDay', () => {

  it('should should return true for same days', () => {
    assert.isTrue(Utils.isSameDay(new Date(), new Date()));
    assert.isTrue(Utils.isSameDay(new Date(2022, 9, 23), new Date(2022, 9, 23, 15, 10, 0)));
  });

  it('should should return false for different days', () => {
    assert.isFalse(Utils.isSameDay(new Date(2022, 10, 23), new Date(2022, 9, 23)));
  });

});

describe('parseDate', () => {

  it('should parse date from string', () => {
    assert.deepEqual(Utils.parseDate('Pokud si dneska 12. 10. 2022 od 17:00 do 20:00 hodin dobiješ alespoň 200 Kč, dáme ti dvojnásob'), new Validity(new Date(2022, 9, 12), '17:00', '20:00'));
  });

  it('should not parse date from string', () => {
    assert.notDeepEqual(Utils.parseDate('Pokud si dneska 13. 10. 2022 od 17:00 do 20:00 hodin dobiješ alespoň 200 Kč, dáme ti dvojnásob'), new Validity(new Date(2022, 9, 12), '17:00', '20:00'));
    assert.isNull(Utils.parseDate('test'));
  });
});