salix/print/templates/reports/campaign-metrics/campaign-metrics.js

const Component = require(`${appPath}/core/component`);
const reportHeader = new Component('report-header');
const reportFooter = new Component('report-footer');

module.exports = {
    name: 'campaign-metrics',
    async serverPrefetch() {
        this.client = await this.fetchClient(this.recipientId);
        this.sales = await this.fetchSales(this.recipientId, this.from, this.to);

        if (!this.client)
            throw new Error('Something went wrong');
    },
    methods: {
        fetchClient(clientId) {
            return this.findOneFromDef('client', [clientId]);
        },
        fetchSales(clientId, from, to) {
            return this.rawSqlFromDef('sales', [clientId, from, to]);
        },
    },
    components: {
        'report-header': reportHeader.build(),
        'report-footer': reportFooter.build()
    },
    props: {
        recipientId: {
            required: true
        },
        from: {
            required: true
        },
        to: {
            required: true
        }
    }
};