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<?php |
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namespace Turahe\Counters\Traits; |
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use Turahe\Counters\Models\Counter; |
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use Turahe\Counters\Facades\Counters; |
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/** |
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* Trait HasCounter. |
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* @package Turahe\Counters\Traits |
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*/ |
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trait HasCounter |
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{ |
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/** |
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* @return mixed |
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* The morph relation between any model and counters |
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*/ |
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public function counters() |
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{ |
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return $this->morphToMany( |
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Counter::class, |
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'counterable', |
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'counterables' |
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)->withPivot('value', 'id'); |
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} |
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/** |
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* @param $key |
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* @return mixed |
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* Get counter related to the relation with the given $key |
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*/ |
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public function getCounter($key) |
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{ |
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// dd($this->counters); |
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$counter = $this->counters->where('key', $key)->first(); |
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//connect the counter to the object if it's not exist |
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if (! $counter) { |
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$this->addCounter($key); |
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$counter = $this->counters->where('key', $key)->first(); |
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} |
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return $counter; |
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} |
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/** |
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* @param $key |
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* @return bool |
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* check if the related model has counter with the given key |
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*/ |
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public function hasCounter($key) |
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{ |
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return ! is_null($this->counters()->where('counters.key', $key)->first()); |
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} |
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/** |
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* @param $key |
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* @return null |
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* Get the related model value of the counter for the given $key |
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*/ |
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public function getCounterValue($key) |
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{ |
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$counter = $this->getCounter($key); |
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$value = null; |
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if ($counter) { |
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$value = $counter->pivot->value; |
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} |
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return $value; |
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} |
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/** |
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* @param $key |
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* @param null $initialValue |
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* Add a record to counterable table (make relation with the given $key) |
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*/ |
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public function addCounter($key, $initialValue = null) |
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{ |
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$counter = Counters::get($key); |
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if ($counter) { |
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if (! $this->hasCounter($key)) { // not to add the counter twice |
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$this->counters()->attach( |
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$counter->id, |
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[ |
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'value' => ! is_null($initialValue) ? $initialValue : $counter->initial_value, |
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] |
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); |
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} else { |
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logger("In addCounter: This object already has counter for $key"); |
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} |
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} else { |
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logger("In addCounter: Counter Is not found for key $key"); |
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} |
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} |
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/** |
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* @param $key |
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* Remove the relation in counterable table |
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*/ |
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public function removeCounter($key) |
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{ |
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$counter = Counters::get($key); |
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if ($counter) { |
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$this->counters()->detach($counter->id); |
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} else { |
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logger("In removeCounter: Counter Is not found for key $key"); |
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} |
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} |
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/** |
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* @param $key |
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* @param null $step |
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* @return mixed |
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* Increment the counterable in the relation table for the given $key |
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*/ |
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public function incrementCounter($key, $step = null) |
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{ |
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$counter = $this->getCounter($key); |
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if ($counter) { |
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$this->counters()->updateExistingPivot($counter->id, ['value' => $counter->pivot->value + ($step ?? $counter->step)]); |
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} else { |
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logger("In incrementCounter: Counter Is not found for key $key"); |
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} |
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return $counter; |
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} |
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/** |
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* @param $key |
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* @param null $step |
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* @return mixed |
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* Decrement the counterable in the relation table for the given $key |
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*/ |
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public function decrementCounter($key, $step = null) |
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{ |
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$counter = $this->getCounter($key); |
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if ($counter) { |
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$this->counters()->updateExistingPivot($counter->id, ['value' => $counter->pivot->value - ($step ?? $counter->step)]); |
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} else { |
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logger("In decrementCounter: Counter Is not found for key $key"); |
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} |
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return $counter; |
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} |
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/** |
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* @param $key |
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* @param null $initalVlaue |
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* @return mixed |
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* Reset the counterable in the relation table to the initial value for the given $key |
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*/ |
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public function resetCounter($key, $initalVlaue = null) |
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{ |
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$counter = $this->getCounter($key); |
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if ($counter) { |
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$this->counters()->updateExistingPivot($counter->id, ['value' =>$initalVlaue ?? $counter->initial_value]); |
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} else { |
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logger("In resetCounter: Counter Is not found for key $key"); |
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} |
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return $counter; |
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} |
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} |
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