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FOUR-21383 Improve screen cache usage #7858

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Merged
merged 3 commits into from
Jan 4, 2025
Merged

FOUR-21383 Improve screen cache usage #7858

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908abff
Cache screen fields
caleeli Jan 2, 2025
4407335
Add unit tests for loading screen fields from cache
caleeli Jan 2, 2025
9008be1
Implement cache handling for screen fields by checking for empty coll…
caleeli Jan 3, 2025
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9 changes: 7 additions & 2 deletions ProcessMaker/Http/Controllers/TaskController.php
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Original file line number Diff line number Diff line change
Expand Up @@ -78,12 +78,12 @@ public function edit(ProcessRequestToken $task, string $preview = '')
MarkNotificationAsRead::dispatch([['url', '=', '/' . Request::path()]], ['read_at' => Carbon::now()]);

$manager = app(ScreenBuilderManager::class);
event(new ScreenBuilderStarting($manager, $task->getScreenVersion() ? $task->getScreenVersion()->type : 'FORM'));
$screenVersion = $task->getScreenVersion();
event(new ScreenBuilderStarting($manager, $screenVersion ? $screenVersion->type : 'FORM'));

$submitUrl = route('api.tasks.update', $task->id);
$task->processRequest;
$task->user;
$screenVersion = $task->getScreenVersion();
$task->component = $screenVersion ? $screenVersion->parent->renderComponent() : null;
$task->screen = $screenVersion ? $screenVersion->toArray() : null;
$task->request_data = $dataManager->getData($task);
Expand All @@ -98,6 +98,11 @@ public function edit(ProcessRequestToken $task, string $preview = '')
$screenFields = $screenVersion ? $screenVersion->screenFilteredFields() : [];
$taskDraftsEnabled = TaskDraft::draftsEnabled();

// Remove screen parent to reduce the size of the response
$screen = $task->screen;
$screen['parent'] = null;
$task->screen = $screen;

if ($element instanceof ScriptTaskInterface) {
return redirect(route('requests.show', ['request' => $task->processRequest->getKey()]));
} else {
Expand Down
40 changes: 36 additions & 4 deletions ProcessMaker/Traits/HasScreenFields.php
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@

use Illuminate\Support\Arr;
use Log;
use ProcessMaker\Cache\Screens\ScreenCacheFactory;
use ProcessMaker\Models\Column;
use ProcessMaker\Models\Screen;

Expand All @@ -19,10 +20,7 @@ public function getFieldsAttribute()
{
if (empty($this->parsedFields)) {
try {
$this->parsedFields = collect([]);
if ($this->config) {
$this->walkArray($this->config);
}
$this->loadScreenFields();
} catch (\Throwable $e) {
Log::error("Error encountered while retrieving fields for screen #{$this->id}", [
'message' => $e->getMessage(),
Expand All @@ -39,6 +37,40 @@ public function getFieldsAttribute()
return $this->parsedFields->unique('field');
}

/**
* Load the fields for the screen and cache them
*
* @return void
*/
private function loadScreenFields()
{
$screenCache = ScreenCacheFactory::getScreenCache();
// Create cache key
$screenId = $this instanceof Screen ? $this->id : $this->screen_id;
$screenVersionId = $this instanceof Screen ? 0 : $this->id;
$key = $screenCache->createKey([
'process_id' => 0,
'process_version_id' => 0,
'language' => 'all',
'screen_id' => (int) $screenId,
'screen_version_id' => (int) $screenVersionId,
]) . '_fields';

// Try to get the screen fields from cache
$parsedFields = $screenCache->get($key);

if (!$parsedFields || collect($parsedFields)->isEmpty()) {
$this->parsedFields = collect([]);
if ($this->config) {
$this->walkArray($this->config);
}

$screenCache->set($key, $this->parsedFields);
} else {
$this->parsedFields = collect($parsedFields);
}
}

public function parseNestedScreen($node)
{
$nested = Screen::find($node['config']['screen']);
Expand Down
142 changes: 142 additions & 0 deletions tests/unit/ProcessMaker/HasScreenFieldsTest.php
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Original file line number Diff line number Diff line change
@@ -0,0 +1,142 @@
<?php

use Tests\TestCase;
use ProcessMaker\Cache\Screens\ScreenCacheFactory;
use ProcessMaker\Models\Screen;

class HasScreenFieldsTest extends TestCase
{
public function testLoadScreenFields()
{
$screenCache = ScreenCacheFactory::getScreenCache();
$screen = Screen::factory()->create([
'id' => 1,
'config' => [
[
'items' => [
[
'component' => 'FormInput',
'config' => [
'name' => 'field1',
'label' => 'Field 1',
'dataFormat' => 'string',
],
],
[
'component' => 'FormInput',
'config' => [
'name' => 'field2',
'label' => 'Field 2',
'dataFormat' => 'string',
],
],
],
],
],
]);
$expectedFields = [
[
'label' => 'Field 1',
'field' => 'field1',
'sortable' => true,
'default' => false,
'format' => 'string',
'mask' => null,
'isSubmitButton' => false,
'encryptedConfig' => null,
],
[
'label' => 'Field 2',
'field' => 'field2',
'sortable' => true,
'default' => false,
'format' => 'string',
'mask' => null,
'isSubmitButton' => false,
'encryptedConfig' => null,
],
];
$key = $screenCache->createKey([
'process_id' => 0,
'process_version_id' => 0,
'language' => 'all',
'screen_id' => (int) $screen->id,
'screen_version_id' => 0,
]) . '_fields';
$screenCache->set($key, null);

$fields = json_decode(json_encode($screen->fields), true);

$cacheFields = json_decode(json_encode($screenCache->get($key)), true);

$this->assertEquals($expectedFields, $fields);
$this->assertEquals($expectedFields, $cacheFields);
}

public function testLoadScreenFieldsFromCache()
{
$screenCache = ScreenCacheFactory::getScreenCache();
$screen = Screen::factory()->create([
'id' => 1,
'config' => [
[
'items' => [
[
'component' => 'FormInput',
'config' => [
'name' => 'field1',
'label' => 'Field 1',
'dataFormat' => 'string',
],
],
[
'component' => 'FormInput',
'config' => [
'name' => 'field2',
'label' => 'Field 2',
'dataFormat' => 'string',
],
],
],
],
],
]);
$expectedFields = [
[
'label' => 'Field 1 (cached)',
'field' => 'field1',
'sortable' => true,
'default' => false,
'format' => 'string',
'mask' => null,
'isSubmitButton' => false,
'encryptedConfig' => null,
],
[
'label' => 'Field 2 (cached)',
'field' => 'field2',
'sortable' => true,
'default' => false,
'format' => 'string',
'mask' => null,
'isSubmitButton' => false,
'encryptedConfig' => null,
],
];
$key = $screenCache->createKey([
'process_id' => 0,
'process_version_id' => 0,
'language' => 'all',
'screen_id' => (int) $screen->id,
'screen_version_id' => 0,
]) . '_fields';
$screenCache->set($key, $expectedFields);

$fields = json_decode(json_encode($screen->fields), true);

$cacheFields = json_decode(json_encode($screenCache->get($key)), true);

$this->assertEquals($expectedFields, $fields);
$this->assertEquals($expectedFields, $cacheFields);
}
}
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