<?php

namespace ProcessMaker\InboxRules;

use Illuminate\Support\Collection;

use ProcessMaker\Models\InboxRule;

use ProcessMaker\Models\ProcessRequestToken;

/**

* This Class is used in 2 ways

* 1. After a task is assigned, it checks to see if it matches any active

* InboxRules in the system and returns the InboxRule models.

* 2. The `get` method returns all tasks that match a given InboxRule

*/

class MatchingTasks

{

public function matchingInboxRules(ProcessRequestToken $task): array

{

if (!$task || !$task->user_id) {

return [];

}

$matchingInboxRules = [];

//The Foreach has only inbox rules ACTIVE=true and user_id = $task->user_id

foreach ($this->queryInboxRules($task) as $rule) {

if ($this->isEndDatePast($rule)) {

continue;

}

if ($this->matchesSavedSearch($rule, $task)) {

$matchingInboxRules[] = $rule;

}

}

return $matchingInboxRules;

}

public function shouldSkipRule($rule): bool

{

return $this->isEndDatePast($rule);

}

public function matchesSavedSearch($rule, $task): bool

{

return $rule->saved_search_id !== null && $this->matchesResultInSavedSearch($rule, $task);

}

public function get(InboxRule $inboxRule) : Collection

{

if ($savedSearch = $inboxRule->savedSearch) {

return $savedSearch->query->get();

}

if ($task = $inboxRule->task) {

return ProcessRequestToken::where([

'process_id' => $task->process_id,

'element_id' => $task->element_id,

'user_id' => $inboxRule->user_id,

'status' => 'ACTIVE',

])->get();

}

}

public function matchesResultInSavedSearch($rule, $task)

{

return $rule->savedSearch->query

->where('process_request_tokens.user_id', $task->user_id)

->where('process_request_tokens.id', $task->id)

->exists();

}

public function queryInboxRules($task)

{

return InboxRule::where('active', true)

->where('user_id', $task->user_id)

->get();

}

public function isEndDatePast($rule) : bool

{

if ($rule->end_date && $rule->end_date->isPast()) {

return true;

}

return false;

}

}