@jrmc/adonis-attachment/build/src/services/variant/variant_persister_service.js

Turn any field on your Lucid model to an attachment data type

/**
 * @jrmc/adonis-attachment
 *
 * @license MIT
 * @copyright Jeremy Chaufourier <jeremy@chaufourier.fr>
 */
import logger from '@adonisjs/core/services/logger';
import string from '@adonisjs/core/helpers/string';
import db from '@adonisjs/lucid/services/db';
import attachmentManager from '../../../services/main.js';
export default class VariantPersisterService {
    #id;
    #modelTable;
    #attributeName;
    #multiple;
    #primaryKey;
    constructor({ id, modelTable, attributeName, multiple, primaryKey }) {
        this.#id = id;
        this.#modelTable = modelTable;
        this.#attributeName = attributeName;
        this.#multiple = multiple;
        this.#primaryKey = primaryKey;
    }
    async persist({ attachments, variants }) {
        const rollback = () => this.#rollbackVariants(variants);
        const trx = await db.transaction();
        trx.after('rollback', rollback);
        try {
            const data = this.#prepareUpdateData(attachments);
            await this.#executeUpdate(trx, data);
            await trx.commit();
        }
        catch (error) {
            logger.error(`Persist failed: ${error.message}`);
            await trx.rollback();
            throw error;
        }
    }
    #rollbackVariants(variants) {
        variants.forEach(variant => {
            try {
                attachmentManager.remove(variant);
            }
            catch (error) {
                logger.error(`Rollback failed for variant: ${error.message}`);
            }
        });
    }
    #prepareUpdateData(attachments) {
        const index = string.snakeCase(this.#attributeName);
        const data = this.#multiple
            ? attachments.map(att => att.toObject())
            : attachments[0]?.toObject();
        return { [index]: JSON.stringify(data) };
    }
    async #executeUpdate(trx, data) {
        await trx.query()
            .from(this.#modelTable)
            .where(this.#primaryKey, this.#id)
            .update(data);
    }
}