129 lines
3.9 KiB
JavaScript
129 lines
3.9 KiB
JavaScript
let UserError = require('vn-loopback/util/user-error');
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module.exports = Self => {
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Self.remoteMethod('clone', {
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description: 'clone item',
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accessType: 'WRITE',
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accepts: [{
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arg: 'id',
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type: 'number',
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required: true,
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description: 'origin itemId',
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http: {source: 'path'}
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}],
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returns: {
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type: 'Object',
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description: 'new cloned itemId',
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root: true,
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},
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http: {
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path: `/:id/clone`,
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verb: 'post'
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}
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});
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Self.clone = async itemId => {
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let transaction = await Self.beginTransaction({});
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let options = {transaction};
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try {
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const origin = await Self.findById(itemId, options);
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if (!origin)
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throw new UserError(`That item doesn't exists`);
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origin.itemTag = undefined;
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origin.description = undefined;
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origin.image = undefined;
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origin.comment = undefined;
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origin.size = undefined;
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const newItem = await Self.create(origin, options);
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let promises = [];
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await cloneTaxes(origin.id, newItem.id, promises, options);
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await cloneBotanical(origin.id, newItem.id, promises, options);
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await cloneTags(origin.id, newItem.id, promises, options);
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await Promise.all(promises);
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await transaction.commit();
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return newItem;
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} catch (e) {
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await transaction.rollback();
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throw e;
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}
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};
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/**
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* Clone original taxes to new item
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* @param {Integer} originalId - Original item id
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* @param {Integer} newId - New item id
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* @param {Array} promises - Array of promises
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* @param {Object} options - Transaction options
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*/
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async function cloneTaxes(originalId, newId, promises, options) {
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const models = Self.app.models;
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const originalTaxes = await models.ItemTaxCountry.find({
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where: {itemFk: originalId},
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fields: ['botanical', 'countryFk', 'taxClassFk']
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}, options);
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originalTaxes.forEach(tax => {
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tax.itemFk = newId;
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const newItemTax = models.ItemTaxCountry.upsertWithWhere({
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itemFk: newId,
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countryFk: tax.countryFk,
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}, tax, options);
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promises.push(newItemTax);
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});
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}
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/**
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* Clone original botanical to new item
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* @param {Integer} originalId - Original item id
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* @param {Integer} newId - New item id
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* @param {Array} promises - Array of promises
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* @param {Object} options - Transaction options
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*/
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async function cloneBotanical(originalId, newId, promises, options) {
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const models = Self.app.models;
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const botanical = await models.ItemBotanical.findOne({
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where: {itemFk: originalId},
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fields: ['botanical', 'genusFk', 'specieFk']
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}, options);
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if (botanical) {
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botanical.itemFk = newId;
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const newBotanical = models.ItemBotanical.create(botanical, options);
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promises.push(newBotanical);
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}
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}
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/**
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* Clone original item tags to new item
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* @param {Integer} originalId - Original item id
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* @param {Integer} newId - New item id
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* @param {Array} promises - Array of promises
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* @param {Object} options - Transaction options
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*/
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async function cloneTags(originalId, newId, promises, options) {
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const models = Self.app.models;
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const originalTags = await models.ItemTag.find({
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where: {
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itemFk: originalId
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},
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fields: ['tagFk', 'value', 'priority']
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}, options);
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originalTags.forEach(tag => {
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tag.itemFk = newId;
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const newTag = models.ItemTag.create(tag, options);
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promises.push(newTag);
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});
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}
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};
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