40 lines
1.1 KiB
JavaScript
40 lines
1.1 KiB
JavaScript
let UserError = require('../../helpers').UserError;
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module.exports = Self => {
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Self.remoteMethod('updateQuantity', {
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description: 'Changes the quantity of a sale',
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accessType: '',
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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: 'sale ID',
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http: {source: 'path'}
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}, {
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arg: 'quantity',
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type: 'number',
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required: true,
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description: 'newQuantity'
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}],
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returns: {
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type: 'string',
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root: true
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},
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http: {
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path: `/:id/updateQuantity`,
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verb: 'post'
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}
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});
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Self.updateQuantity = async(id, quantity) => {
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if (isNaN(quantity))
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throw new UserError(`The value should be a number`);
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let currentLine = await Self.app.models.Sale.findOne({where: {id: id}});
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if (quantity > currentLine.quantity)
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throw new UserError('The new quantity should be smaller than the old one');
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return await currentLine.updateAttributes({quantity: quantity});
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};
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};
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