Fiszcz/OLX-flats-notificator

import { Advertisement } from '../Advertisement/Advertisement';

export interface EmailMessageInterface {
    subject: string;
    message: string;
    attachments: string[];
}

export class EmailMessage implements EmailMessageInterface {
    private readonly advertisement: Advertisement;

    constructor(advertisement: Advertisement) {
        this.advertisement = advertisement;
    }

    private transportInformation = () => {
        let transportInformation = '';
        if (this.advertisement.isPerfectLocated) transportInformation += 'Perfect Location 👌🤩' + '\n';
        for (const connection of this.advertisement.transportInformation || []) {
            transportInformation += connection.hasSatisfiedTime ? '👍🕑' : '🤬🕑';
            transportInformation += ` ${connection.textTime}`;
            transportInformation += ` to ${connection.location}` + '\n';
            transportInformation += `Steps: ${connection.transportSteps.map(step => step.instructions).toString()}` + '\n';
        }
        return transportInformation;
    };

    public get subject(): string {
        // TODO: add url of filter url
        let shortTransportInformation = '';
        if (this.advertisement.price) shortTransportInformation += `[Price: ${this.advertisement.price}]`;
        if (this.advertisement.rentCosts) shortTransportInformation += `[Rent: ${this.advertisement.rentCosts}]`;
        if (this.advertisement.isPerfectLocated) shortTransportInformation += '{Perfect Location 👌🤩}';
        for (const connection of this.advertisement.transportInformation || []) {
            shortTransportInformation += ` [${connection.location.substr(0, 6)} - ${connection.textTime}]`;
        }
        return `[${this.advertisement.time}] -${shortTransportInformation} - ${this.advertisement.title}`;
    }

    public get message(): string {
        return (
            '<div align="center">' +
                `<H2>${this.subject}</H2>` +
                '\n' +
                `Time of Advertisement: ${this.advertisement.time}` +
                '\n' +
                `Price: ${this.advertisement.price}` +
                '\n' +
                this.advertisement.rentCosts &&
            `Rent: ${this.advertisement.rentCosts}` +
                '\n' +
                `Location: ${this.advertisement.location}` +
                '\n' +
                `Website: ${this.advertisement.href}` +
                '\n' +
                '----------------------' +
                '\n' +
                `Transport ${this.transportInformation()}` +
                '\n' +
                '----------------------' +
                '\n' +
                `Description:` +
                '\n' +
                this.advertisement.description +
                '\n' +
                `<img src="cid:${this.attachments}" alt="Screenshot of page with advertisement"/>` +
                '\n' +
                '*️⃣*️⃣*️⃣*️⃣*️⃣*️⃣*️⃣*️⃣*️⃣*️⃣*️⃣*️⃣*️⃣*️⃣*️⃣*️⃣*️⃣*️⃣*️⃣*️⃣*️⃣*️⃣*️⃣*️⃣*️⃣*️⃣*️⃣' +
                '</div>' +
                '\n\n'
        );
    }

    public get attachments(): string[] {
        return this.advertisement.screenshotPath ? [this.advertisement.screenshotPath] : [];
    }
}