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package en
import (
"regexp"
"strings"
"time"
"github.com/AlekSi/pointer"
"github.com/olebedev/when/rules"
)
func CasualDate(s rules.Strategy) rules.Rule {
overwrite := s == rules.Override
return &rules.F{
RegExp: regexp.MustCompile("(?i)(?:\\W|^)(now|today|tonight|last\\s*night|(?:tomorrow|tmr|yesterday)\\s*|tomorrow|tmr|yesterday)(?:\\W|$)"),
Applier: func(m *rules.Match, c *rules.Context, o *rules.Options, ref time.Time) (bool, error) {
lower := strings.ToLower(strings.TrimSpace(m.String()))
switch {
case strings.Contains(lower, "tonight"):
if c.Hour == nil && c.Minute == nil || overwrite {
c.Hour = pointer.ToInt(23)
c.Minute = pointer.ToInt(0)
}
case strings.Contains(lower, "today"):
// c.Hour = pointer.ToInt(18)
case strings.Contains(lower, "tomorrow"), strings.Contains(lower, "tmr"):
if c.Duration == 0 || overwrite {
c.Duration += time.Hour * 24
}
case strings.Contains(lower, "yesterday"):
if c.Duration == 0 || overwrite {
c.Duration -= time.Hour * 24
}
case strings.Contains(lower, "last night"):
if (c.Hour == nil && c.Duration == 0) || overwrite {
c.Hour = pointer.ToInt(23)
c.Duration -= time.Hour * 24
}
}
return true, nil
},
}
}
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