firefly-iii/app/Models/Rule.php

<?php
/**
 * Rule.php
 * Copyright (C) 2016 Sander Dorigo
 *
 * This software may be modified and distributed under the terms
 * of the MIT license.  See the LICENSE file for details.
 */

namespace FireflyIII\Models;

use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Model;

/**
 * Class Rule
 *
 * @package FireflyIII\Models
 * @property integer                                                                        $id
 * @property \Carbon\Carbon                                                                 $created_at
 * @property \Carbon\Carbon                                                                 $updated_at
 * @property string                                                                         $deleted_at
 * @property integer                                                                        $user_id
 * @property integer                                                                        $rule_group_id
 * @property integer                                                                        $order
 * @property string                                                                         $title
 * @property string                                                                         $description
 * @property boolean                                                                        $active
 * @property boolean                                                                        $stop_processing
 * @property-read \FireflyIII\User                                                          $user
 * @property-read \FireflyIII\Models\RuleGroup                                              $ruleGroup
 * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\RuleAction[]  $ruleActions
 * @property-read \Illuminate\Database\Eloquent\Collection|\FireflyIII\Models\RuleTrigger[] $ruleTriggers
 */
class Rule extends Model
{
    /**
     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
     */
    public function user()
    {
        return $this->belongsTo('FireflyIII\User');
    }

    /**
     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
     */
    public function ruleGroup()
    {
        return $this->belongsTo('FireflyIII\Models\RuleGroup');
    }

    /**
     * @return \Illuminate\Database\Eloquent\Relations\HasMany
     */
    public function ruleActions()
    {
        return $this->hasMany('FireflyIII\Models\RuleAction');
    }

    /**
     * @return \Illuminate\Database\Eloquent\Relations\HasMany
     */
    public function ruleTriggers()
    {
        return $this->hasMany('FireflyIII\Models\RuleTrigger');
    }

    /**
     * @param      $query
     * @param      $triggerType
     * @param null $triggerValue
     *
     * @return Builder
     */
    public function scopeHasTrigger(Builder $query, $triggerType, $triggerValue = null)
    {
        $query->leftJoin('rule_triggers', 'rules.id', '=', 'rule_triggers.rule_id');
        $query->where('rule_triggers.trigger_type', $triggerType);
        if (!is_null($triggerValue)) {
            $query->where('rule_triggers.trigger_value', $triggerValue);
        }
        return $query;

    }


}