VPS 4 Builder
63 lines
2.0 KiB
JavaScript
63 lines
2.0 KiB
JavaScript
'use strict'
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const { execute, queryOne, query } = require('../database/postgres')
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const Raffle = require('./Raffle')
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class PriceRule {
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static async create({ raffle_id, rule_type, price, start_at, end_at, priority }) {
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return execute(
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`INSERT INTO raffle_price_rules (raffle_id, rule_type, price, start_at, end_at, priority)
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VALUES ($1, $2, $3, $4, $5, $6) RETURNING id`,
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[raffle_id, rule_type, price, start_at || null, end_at || null, priority || 0]
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)
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}
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static async listByRaffle(raffle_id) {
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return query(
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`SELECT * FROM raffle_price_rules WHERE raffle_id = $1 AND active = 1 ORDER BY priority DESC`,
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[raffle_id]
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)
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}
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/**
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* Engine de Preço Dinâmico: Verifica qual regra está ativa agora.
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* Retorna o preço apropriado e o ID da regra aplicada (se houver).
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*/
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static async getCurrentPrice(raffle_id) {
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const rules = await this.listByRaffle(raffle_id)
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const now = new Date()
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let appliedRuleId = null
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for (const rule of rules) {
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if (rule.rule_type === 'time_range') {
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const start = rule.start_at ? new Date(rule.start_at) : new Date(0)
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const end = rule.end_at ? new Date(rule.end_at) : new Date(8640000000000000) // max date
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if (now >= start && now <= end) {
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return { price: parseFloat(rule.price), rule_id: rule.id }
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}
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}
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if (rule.rule_type === 'fixed') {
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return { price: parseFloat(rule.price), rule_id: rule.id }
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}
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}
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// Fallback: Busca o preço padrão do sorteio
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const raffle = await Raffle.findById(raffle_id)
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if (!raffle) throw new Error('Sorteio não encontrado')
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return { price: parseFloat(raffle.preco_numero), rule_id: null }
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}
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static async logPrice({ raffle_id, order_id, user_cpf, price_applied, rule_id }) {
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return execute(
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`INSERT INTO price_logs (raffle_id, order_id, user_cpf, price_applied, rule_id)
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VALUES ($1, $2, $3, $4, $5)`,
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[raffle_id, order_id || null, user_cpf || null, price_applied, rule_id || null]
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)
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}
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}
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module.exports = PriceRule
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