app2-api/helpers/composes.helper.js

'use strict';
const cdnHelper = require('./cdn.helper');

const valuesComposer = (values) => (values) ? values.map(value => ({id: value.id, name: value.name,})): values;

const citiesComposer = (city) => {
    if (city) {
        return {
            ...city,
            image: cdnHelper.getCDNCityMediaUrl(city.city),
        };
    } 
    else return city;
}

const locationComposer = (location, context) => {
    if (location) {

        let multimedias = [];
        if ((context.scopes) && (context.scopes.includes('includeMultimedias'))) {
            multimedias = multimediaComposer(location.multimedias);
        };

        return {
            ...location,
            multimedias: multimedias,
        };
    }
    else return location;
}

const commentComposer = (comment, context) => {
    if (comment.user) {
        comment.user_name = comment.user.name + '---';
        comment.profile_picture = cdnHelper.getCDNMediaUrl(comment.user.profile_picture);
    }else {
        comment.user_name = comment.nameUserOld;
        comment.profile_picture = cdnHelper.getCDNMediaUrl(comment.profile_pictureOld);
    }
    delete comment.nameUserOld;
    delete comment.profile_pictureOld;
    delete comment.userId;
    delete comment.user;

    return Object.assign({},
        comment);
};

const commentsComposer = (comments) => {
    if (comments) {
        return comments.map(comment => ({
            ...commentComposer(comment)
        }));
    }
    else return comments;
};


const multimediaComposer = (multimedias) => {
    if(multimedias) {  
        return multimedias.map(multimedia => ({
                ...multimedia,
                ...multimedia.multimediaFile,
                type: multimedia.type,
                media_type: multimedia.multimediaFile.type,
                multimediaFile: undefined,
                createdAt: undefined,
                updatedAt: undefined,
                userId: undefined,
                url: (multimedia.multimediaFile.provider === 'cdn') ? cdnHelper.getCDNMediaUrl(multimedia.multimediaFile.url) : multimedia.multimediaFile.url,    
        }));
    }
    else 
        return multimedias;
};


const socialNetworksComposer = (speaker) => {
    if (speaker) {
        return {
            rrss: {
                twitter: speaker.twitter ? speaker.twitter : null,
                facebook: speaker.facebook ? speaker.facebook : null,
                youtube: speaker.youtube ? speaker.youtube : null,
                linkedin: speaker.linkedin ? speaker.linkedin : null,
                instagram: speaker.instagram ? speaker.instagram : null,
                web: speaker.web ? speaker.web : null
            },
            twitter: undefined,
            facebook: undefined,
            youtube: undefined,
            linkedin: undefined,
            instagram: undefined,
            web: undefined
        };
    }
    else    
        return speaker;
};


const speakerComposer = (speaker, context) => {

    let multimedias = [];
    if ((context.scopes) && (context.scopes.includes('includeMultimedias'))) {
        multimedias = multimediaComposer(speaker.multimedias);
    };

    let comments = [];
    if ((context.scopes) && (context.scopes.includes('includeComments'))) {
        comments = commentsComposer(speaker.comments);
    };

    if (speaker.type) {
        speaker.typename = speaker.type.name;
        delete speaker.type;
    }

    speaker.values = valuesComposer(speaker.values);

    const rrss = socialNetworksComposer(speaker, context);

    return Object.assign({},
        speaker,
        rrss,
        { multimedias: multimedias },
        { comments: comments },
    )
};


const eventComposer = (event, context) => {

    if ((context.scopes) && (context.scopes.includes('includeVenue'))){
        if (event.venue) {
            delete event.venue.updatedAt;
            delete event.venue.createdAt;
            //event.venue.image_url = cdnHelper.getCDNCityMediaUrl(event.venue.city); <-- se hace en el modelo
        }
    };

    let multimedias = []
    if ((context.scopes) && (context.scopes.includes('includeMultimedias'))) {
        multimedias = multimediaComposer(event.multimedias)
    };

    let speakers = []
    let details = []
    if ((context.scopes) && (context.scopes.includes('includeDetails'))) {
        
        event.details.map((detail) => {
            if (detail.type == 'speaker')
                speakers.push({
                    order: detail.order,
                    ...speakerComposer(detail.speaker, context),
            });
            if (detail.type == 'info')
                details.push({
                    ...detail,
                    speaker: undefined,                    
                });
        });
    };

    return Object.assign({},
        event,
        { multimedias: multimedias },
        { details: details },
        { speakers: speakers }
    )
};

const entityComposer = (entity, context) => {

    delete entity.contact_person;
    delete entity.contact_email;

    return Object.assign({},
        entity,
    )
};


module.exports = {
    entityComposer,
    speakerComposer, 
    eventComposer,
    commentComposer,
    citiesComposer,
    locationComposer
}