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|
package br
import (
"regexp"
"strconv"
"strings"
"time"
"github.com/AlekSi/pointer"
"github.com/olebedev/when/rules"
"github.com/pkg/errors"
)
func PastTime(s rules.Strategy) rules.Rule {
overwrite := s == rules.Override
return &rules.F{
RegExp: regexp.MustCompile(
"(?i)(?:\\W|^)\\s*" +
"(" + INTEGER_WORDS_PATTERN + "|[0-9]+|umas|uma|um|uns|pouc[ao]s*|algu(?:ns|m)|mei[oa]?)\\s*" +
"(segundos?|min(?:uto)?s?|hora?s?|dia?s?|semana?s?|mês?|meses?|ano?s?)(\\satrás)\\s*" +
"(?:\\W|$)|" +
"(?i)(?:há)\\s*" +
"(" + INTEGER_WORDS_PATTERN + "|[0-9]+|umas|uma|um|uns|pouc[ao]s*|algu(?:ns|m)|mei[oa]?)\\s*" +
"(segundos?|min(?:uto)?s?|hora?s?|dia?s?|semana?s?|mês?|meses?|ano?s?)(\\satrás)*\\s*" +
"(?:\\W|$)"),
Applier: func(m *rules.Match, c *rules.Context, o *rules.Options, ref time.Time) (bool, error) {
var start_index_for_captures int
if strings.TrimSpace(m.Captures[0]) == "" {
start_index_for_captures = 3
}
numStr := strings.TrimSpace(
m.Captures[start_index_for_captures+0])
var num int
var err error
if n, ok := INTEGER_WORDS[numStr]; ok {
num = n
} else if numStr == "um" || numStr == "uma" {
num = 1
} else if numStr == "umas" || numStr == "uns" || strings.Contains(numStr, "pouc") || strings.Contains(numStr, "algu") {
num = 3
} else if strings.Contains(numStr, "mei") {
// pass
} else {
num, err = strconv.Atoi(numStr)
if err != nil {
return false, errors.Wrapf(err, "convert '%s' to int", numStr)
}
}
exponent := strings.TrimSpace(
m.Captures[start_index_for_captures+1])
if !strings.Contains(numStr, "mei") {
switch {
case strings.Contains(exponent, "segund"):
if c.Duration == 0 || overwrite {
c.Duration = -(time.Duration(num) * time.Second)
}
case strings.Contains(exponent, "min"):
if c.Duration == 0 || overwrite {
c.Duration = -(time.Duration(num) * time.Minute)
}
case strings.Contains(exponent, "hora"):
if c.Duration == 0 || overwrite {
c.Duration = -(time.Duration(num) * time.Hour)
}
case strings.Contains(exponent, "dia"):
if c.Duration == 0 || overwrite {
c.Duration = -(time.Duration(num) * 24 * time.Hour)
}
case strings.Contains(exponent, "semana"):
if c.Duration == 0 || overwrite {
c.Duration = -(time.Duration(num) * 7 * 24 * time.Hour)
}
case strings.Contains(exponent, "mês"), strings.Contains(exponent, "meses"):
if c.Month == nil || overwrite {
c.Month = pointer.ToInt((int(ref.Month()) - num) % 12)
}
case strings.Contains(exponent, "ano"):
if c.Year == nil || overwrite {
c.Year = pointer.ToInt(ref.Year() - num)
}
}
} else {
switch {
case strings.Contains(exponent, "hora"):
if c.Duration == 0 || overwrite {
c.Duration = -(30 * time.Minute)
}
case strings.Contains(exponent, "dia"):
if c.Duration == 0 || overwrite {
c.Duration = -(12 * time.Hour)
}
case strings.Contains(exponent, "semanas"):
if c.Duration == 0 || overwrite {
c.Duration = -(7 * 12 * time.Hour)
}
case strings.Contains(exponent, "mês"), strings.Contains(exponent, "meses"):
if c.Duration == 0 || overwrite {
// 2 weeks
c.Duration = -(14 * 24 * time.Hour)
}
case strings.Contains(exponent, "ano"):
if c.Month == nil || overwrite {
c.Month = pointer.ToInt((int(ref.Month()) - 6) % 12)
}
}
}
return true, nil
},
}
}
|
