salix/services/loopback/common/methods/claim/getSummary.js

module.exports = Self => {
    Self.remoteMethod('getSummary', {
        description: 'Updates the item taxes',
        accessType: 'READ',
        accepts: [{
            arg: 'id',
            type: 'number',
            required: true,
            description: 'The item id',
            http: {source: 'path'}
        }],
        returns: {
            type: 'object',
            root: true
        },
        http: {
            path: `/:id/getSummary`,
            verb: 'GET'
        }
    });

    Self.getSummary = async id => {
        let promises = [];
        let summary = {};

        // Claim

        let filter = {
            where: {id: id},
            include: [
                {relation: 'worker', scope: {fields: ['name', 'firstName']}},
                {relation: 'claimState', scope: {fields: ['id', 'description']}},
                {
                    relation: 'client',
                    scope: {
                        fields: ['salesPersonFk', 'name'],
                        include: {
                            relation: 'salesPerson',
                            fields: ['firstName', 'name']
                        }
                    }
                }
            ]
        };

        promises.push(Self.app.models.Claim.find(filter));

        // Claim detail
        filter = {
            where: {claimFk: id},
            include: [
                {relation: 'sale',
                    scope: {
                        fields: ['concept', 'ticketFk', 'price', 'quantity', 'discount', 'itemFk'],
                        include: {
                            relation: 'ticket'
                        }
                    }
                }
            ]
        };
        promises.push(Self.app.models.ClaimBeginning.find(filter));

        // Claim developments
        filter = {
            where: {claimFk: id},
            include: [
                {relation: 'claimResponsible'},
                {relation: 'worker'},
                {relation: 'claimDestination'},
                {relation: 'claimReason'},
                {relation: 'claimResult'},
                {relation: 'claimRedelivery'}
            ]
        };
        promises.push(Self.app.models.ClaimDevelopment.find(filter));

        // Claim action
        filter = {
            where: {claimFk: id},
            include: [
                {relation: 'sale',
                    scope: {
                        fields: ['concept', 'price', 'quantity', 'discount', 'ticketFk', 'itemFk'],
                        include: [
                            {relation: 'ticket'}
                        ]
                    }
                },
                {relation: 'claimBeggining'}
            ]
        };
        promises.push(Self.app.models.ClaimEnd.find(filter));

        let res = await Promise.all(promises);

        [summary.claim] = res[0];
        summary.salesClaimed = res[1];
        summary.developments = res[2];
        summary.actions = res[3];

        return summary;
    };
};