openvk/Web/Util/DateTime.php

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<?php declare(strict_types=1);
namespace openvk\Web\Util;
class DateTime
{
const RELATIVE_FORMAT_NORMAL = 0;
const RELATIVE_FORMAT_LOWER = 1;
const RELATIVE_FORMAT_SHORT = 2;
private $timestamp;
private $localizator;
function __construct(?int $timestamp = NULL)
{
$this->timestamp = $timestamp ?? time();
$this->localizator = Localizator::i();
}
protected function zmdate(): string
{
$then = date_create("@" . $this->timestamp);
$now = date_create();
$diff = date_diff($now, $then);
if($diff->invert === 0) return __OPENVK_ERROR_CLOCK_IN_FUTURE;
if($this->timestamp >= strtotime("midnight")) { # Today
if($diff->h >= 1)
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return tr("time_today") . tr("time_at_sp") . ovk_strftime_safe("%X", $this->timestamp);
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else if($diff->i < 2)
return tr("time_just_now");
else
return $diff->i === 5 ? tr("time_exactly_five_minutes_ago") : tr("time_minutes_ago", $diff->i);
} else if($this->timestamp >= strtotime("-1day midnight")) { # Yesterday
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return tr("time_yesterday") . tr("time_at_sp") . ovk_strftime_safe("%X", $this->timestamp);
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} else if(ovk_strftime_safe("%Y", $this->timestamp) === ovk_strftime_safe("%Y", time())) { # In this year
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return ovk_strftime_safe("%e %h ", $this->timestamp) . tr("time_at_sp") . ovk_strftime_safe(" %R %p", $this->timestamp);
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} else {
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return ovk_strftime_safe("%e %B %Y ", $this->timestamp) . tr("time_at_sp") . ovk_strftime_safe(" %R %p", $this->timestamp);
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}
}
function format(string $format, bool $useDate = false): string
{
if(!$useDate)
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return ovk_strftime_safe($format, $this->timestamp);
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else
return date($format, $this->timestamp);
}
function relative(int $type = 0): string
{
switch($type) {
case static::RELATIVE_FORMAT_NORMAL:
return mb_convert_case($this->zmdate(), MB_CASE_TITLE_SIMPLE);
break;
case static::RELATIVE_FORMAT_LOWER:
return $this->zmdate();
break;
case static::RELATIVE_FORMAT_SHORT:
return "";
break;
}
}
function html(bool $capitalize = false, bool $short = false): string
{
if($short)
$dt = $this->relative(static::RELATIVE_FORMAT_SHORT);
else if($capitalize)
$dt = $this->relative(static::RELATIVE_FORMAT_NORMAL);
else
$dt = $this->relative(static::RELATIVE_FORMAT_LOWER);
return "<time>$dt</time>";
}
function timestamp(): int
{
return $this->timestamp;
}
function __toString(): string
{
return $this->relative(static::RELATIVE_FORMAT_LOWER);
}
}