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December 4, 2017 23:37
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Bacalhau para apurar evolução do nubank rewards
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| // data = resultado da chamada ao serviço que retorna os eventos | |
| let data = require('./data/nubank_events.json'); | |
| let rewards_money = 0; | |
| let rewards_points = 0; | |
| let rewards_count = 0; | |
| let hasReward = false; | |
| let date = /^(.{10})T(.{8}).*$/; | |
| let rewards_netflix = 2600; | |
| function getDate(d) { | |
| return d.replace(date, '$1 $2'); | |
| } | |
| function echo(v) { | |
| console.log(getDate(v.time), v.category, v.description || '', v.amount || ''); | |
| } | |
| function getRewardBallance() { | |
| return ((rewards_points / 100) - (rewards_count * rewards_netflix)).toFixed(2); | |
| } | |
| data.events.reverse().forEach(v => { | |
| switch (v.category) { | |
| case 'transaction': | |
| // case 'transaction_reversed': | |
| if (hasReward) { | |
| echo (v); | |
| rewards_points += v.amount; | |
| // caso centavos sejam desconsiderados | |
| // rewards_points += parseInt(v.amount / 100, 10) * 100; | |
| // caso centavos sejam arredondados | |
| // rewards_points += Math.round(v.amount / 100) * 100; | |
| } | |
| break; | |
| case 'rewards_signup': | |
| hasReward = true; | |
| console.log('=====> REWARDS'); | |
| echo(v); | |
| break; | |
| case 'rewards_redemption': | |
| let amount = v.message.split('R$ ')[1].replace(',', '.'); | |
| amount = parseFloat(amount); | |
| rewards_money += amount; | |
| console.log('====> SALDO ANTERIOR', getRewardBallance()); | |
| rewards_count++; | |
| echo(v); | |
| console.log('====> SALDO POSTERIOR', getRewardBallance()); | |
| break; | |
| case 'anticipate_event': | |
| break; | |
| default: | |
| hasReward && echo(v); | |
| break; | |
| } | |
| }); | |
| let result = []; | |
| result.push(`== REWARDS ==`); | |
| result.push(`Total acumulado: ${rewards_points / 100}`); | |
| result.push(`Vezes utilizado: ${rewards_count}`); | |
| result.push(`Total utilizado: ${rewards_count * rewards_netflix}`); | |
| result.push(`Total apagado: R$ ${rewards_money}`); | |
| result.push(`Saldo pontos atual: ${getRewardBallance()}`); | |
| console.log(result.join('\n')); | |
| /* | |
| Para o meu caso: | |
| == REWARDS == | |
| Total acumulado: 17249.7 | |
| Vezes utilizado: 6 | |
| Total utilizado: 15600 | |
| Total apagado: R$ 227.4 | |
| Saldo pontos atual: 1649.70 | |
| */ |
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