150 lines
2.9 KiB
PHP
150 lines
2.9 KiB
PHP
<?php
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namespace Illuminate\Database\Eloquent\Concerns;
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use Illuminate\Support\Facades\Date;
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trait HasTimestamps
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{
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/**
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* Indicates if the model should be timestamped.
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*
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* @var bool
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*/
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public $timestamps = true;
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/**
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* Update the model's update timestamp.
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*
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* @return bool
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*/
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public function touch()
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{
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if (! $this->usesTimestamps()) {
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return false;
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}
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$this->updateTimestamps();
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return $this->save();
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}
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/**
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* Update the creation and update timestamps.
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*
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* @return void
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*/
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protected function updateTimestamps()
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{
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$time = $this->freshTimestamp();
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$updatedAtColumn = $this->getUpdatedAtColumn();
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if (! is_null($updatedAtColumn) && ! $this->isDirty($updatedAtColumn)) {
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$this->setUpdatedAt($time);
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}
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$createdAtColumn = $this->getCreatedAtColumn();
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if (! $this->exists && ! is_null($createdAtColumn) && ! $this->isDirty($createdAtColumn)) {
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$this->setCreatedAt($time);
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}
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}
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/**
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* Set the value of the "created at" attribute.
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*
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* @param mixed $value
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* @return $this
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*/
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public function setCreatedAt($value)
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{
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$this->{$this->getCreatedAtColumn()} = $value;
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return $this;
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}
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/**
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* Set the value of the "updated at" attribute.
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*
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* @param mixed $value
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* @return $this
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*/
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public function setUpdatedAt($value)
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{
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$this->{$this->getUpdatedAtColumn()} = $value;
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return $this;
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}
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/**
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* Get a fresh timestamp for the model.
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*
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* @return \Illuminate\Support\Carbon
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*/
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public function freshTimestamp()
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{
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return Date::now();
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}
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/**
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* Get a fresh timestamp for the model.
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*
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* @return string
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*/
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public function freshTimestampString()
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{
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return $this->fromDateTime($this->freshTimestamp());
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}
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/**
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* Determine if the model uses timestamps.
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*
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* @return bool
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*/
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public function usesTimestamps()
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{
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return $this->timestamps;
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}
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/**
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* Get the name of the "created at" column.
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*
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* @return string|null
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*/
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public function getCreatedAtColumn()
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{
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return static::CREATED_AT;
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}
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/**
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* Get the name of the "updated at" column.
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*
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* @return string|null
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*/
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public function getUpdatedAtColumn()
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{
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return static::UPDATED_AT;
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}
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/**
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* Get the fully qualified "created at" column.
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*
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* @return string
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*/
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public function getQualifiedCreatedAtColumn()
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{
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return $this->qualifyColumn($this->getCreatedAtColumn());
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}
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/**
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* Get the fully qualified "updated at" column.
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*
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* @return string
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*/
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public function getQualifiedUpdatedAtColumn()
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{
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return $this->qualifyColumn($this->getUpdatedAtColumn());
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}
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}
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