bitbucket.org/alima123/expires@v0.0.0-20191226173914-cddaf5cffb3d/expires.go (about)

     1  package expires
     2  
     3  import (
     4  	"fmt"
     5  	"time"
     6  	_ "unsafe" // for go:linkname
     7  )
     8  
     9  type (
    10  	Expires interface {
    11  		IsExpires() bool
    12  		GetExpires() time.Time
    13  		SetExpires(e bool)
    14  		fmt.Stringer
    15  	}
    16  
    17  	expires struct {
    18  		expiresAt time.Time
    19  		abort     bool
    20  	}
    21  )
    22  
    23  // StripMono strip monotonic clocks
    24  //go:linkname StripMono time.(*Time).stripMono
    25  func StripMono(t *time.Time)
    26  
    27  func NewExpires(dur time.Duration) Expires {
    28  	t := time.Now().Add(dur)
    29  	StripMono(&t)
    30  	return &expires{
    31  		expiresAt: t,
    32  	}
    33  }
    34  
    35  func NewExpiresAt(at time.Time) Expires {
    36  	StripMono(&at)
    37  	return &expires{
    38  		expiresAt: at,
    39  	}
    40  }
    41  
    42  func (ep *expires) GetExpires() time.Time {
    43  	return ep.expiresAt
    44  }
    45  
    46  func (ep *expires) SetExpires(e bool) {
    47  	ep.abort = e
    48  }
    49  
    50  func (ep *expires) IsExpires() bool {
    51  	return ep.abort || time.Now().After(ep.expiresAt)
    52  }
    53  
    54  func (ep *expires) String() string {
    55  	return fmt.Sprintf("expires at: %s, abort: %t", ep.expiresAt, ep.abort)
    56  }