74 lines
2.1 KiB
JavaScript
74 lines
2.1 KiB
JavaScript
const db = require('./db')
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const uuid = require('uuid')
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const _ = require('lodash/fp')
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const pgp = require('pg-promise')()
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function getAvailablePromoCodes () {
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const sql = `SELECT * FROM coupons WHERE soft_deleted=false`
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return db.any(sql)
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}
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function getPromoCode (code) {
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const sql = `SELECT * FROM coupons WHERE code=$1 AND soft_deleted=false`
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return db.oneOrNone(sql, [code])
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}
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function createPromoCode (code, discount) {
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const sql = `INSERT INTO coupons (id, code, discount) VALUES ($1, $2, $3) RETURNING *`
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return db.one(sql, [uuid.v4(), code, discount])
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}
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function deletePromoCode (id) {
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const sql = `UPDATE coupons SET soft_deleted=true WHERE id=$1`
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return db.none(sql, [id])
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}
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function getNumberOfAvailablePromoCodes () {
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const sql = `SELECT COUNT(id) FROM coupons WHERE soft_deleted=false`
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return db.one(sql).then(res => res.count)
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}
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function getAvailableIndividualDiscounts () {
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const sql = `SELECT * FROM individual_discounts WHERE soft_deleted=false`
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return db.any(sql).then(res => _.map(it => ({
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id: it.id,
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customerId: it.customer_id,
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discount: it.discount
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}), res))
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}
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function getCustomerActiveIndividualDiscount (customerId) {
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const sql = `SELECT * FROM individual_discounts WHERE customer_id=$1 AND soft_deleted=false LIMIT 1`
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return db.oneOrNone(sql, [customerId]).then(res => {
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if (!_.isNil(res)) {
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return {
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id: res.id,
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customerId: res.customer_id,
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discount: res.discount
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}
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}
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return res
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})
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}
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function createIndividualDiscount (customerId, discount) {
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const sql = `INSERT INTO individual_discounts (id, customer_id, discount) VALUES ($1, $2, $3)`
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return db.none(sql, [uuid.v4(), customerId, discount])
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}
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function deleteIndividualDiscount (id) {
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const sql = `UPDATE individual_discounts SET soft_deleted=true WHERE id=$1`
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return db.none(sql, [id])
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}
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module.exports = {
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getAvailablePromoCodes,
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getPromoCode,
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createPromoCode,
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deletePromoCode,
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getNumberOfAvailablePromoCodes,
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getAvailableIndividualDiscounts,
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getCustomerActiveIndividualDiscount,
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createIndividualDiscount,
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deleteIndividualDiscount
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}
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