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[PLUGIN][Directory] Refactor directory controller, so it's hopefully clearer what's happening

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Hugo Sales 2022-01-01 20:50:04 +00:00
parent 175c98b043
commit f6311debbf
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GPG Key ID: 7D0C7EAFC9D835A0
1 changed files with 55 additions and 66 deletions
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121
plugins/Directory/Controller/Directory.php
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@ -24,38 +24,45 @@ declare(strict_types = 1);
namespace Plugin\Directory\Controller;
use App\Core\DB\DB;
use function App\Core\I18n\_m;
use App\Entity\Actor;
use App\Util\Exception\BugFoundException;
use App\Util\Exception\ClientException;
use Component\Feed\Util\FeedController;
use function App\Core\I18n\_m;
use Symfony\Component\HttpFoundation\Request;
class Directory extends FeedController
{
public const PER_PAGE = 32;
public const ALLOWED_FIELDS = ['nickname', 'created', 'modified', 'activity', 'subscribers'];
const PER_PAGE = 32;
const ALLOWED_FIELDS = ['nickname', 'created', 'modified', 'activity', 'subscribers'];
/**
* Function responsible for displaying a list of actors of a given
* $actor_type, sorted by the `order_by` GET parameter, if given
*/
private function impl(Request $request, string $template, int $actor_type): array
{
$page = $this->int('page') ?? 1;
$limit = self::PER_PAGE;
if ($actor_type !== Actor::PERSON && $actor_type !== Actor::GROUP) {
throw new BugFoundException("Unimplemented for actor type: {$actor_type}");
}
$page = $this->int('page') ?? 1;
$limit = self::PER_PAGE;
$offset = self::PER_PAGE * ($page - 1);
// -------- Figure out the order by field and operator --------
$order_by_qs = $this->string('order_by');
if (!\is_null($order_by_qs) && mb_detect_encoding($order_by_qs, 'ASCII', strict: true) !== false) {
$order_by_op = substr($order_by_qs, -1);
$order_by_op = mb_substr($order_by_qs, -1);
if (\in_array($order_by_op, ['^', '<'])) {
$order_by_field = substr($order_by_qs, 0, -1);
$order_by_op = 'ASC';
} else if (\in_array($order_by_op, ['v', '>'])) {
$order_by_field = substr($order_by_qs, 0, -1);
$order_by_op = 'DESC';
$order_by_field = mb_substr($order_by_qs, 0, -1);
$order_by_op = 'ASC';
} elseif (\in_array($order_by_op, ['v', '>'])) {
$order_by_field = mb_substr($order_by_qs, 0, -1);
$order_by_op = 'DESC';
} else {
$order_by_field = $order_by_qs;
$order_by_op = 'ASC';
$order_by_op = 'ASC';
}
if (!\in_array($order_by_field, self::ALLOWED_FIELDS)) {
@ -63,16 +70,15 @@ class Directory extends FeedController
}
} else {
$order_by_field = 'nickname';
$order_by_op = 'ASC';
$order_by_op = 'ASC';
}
$order_by = [$order_by_field => $order_by_op];
$route = $request->get('_route');
// -------- *** --------
$query_fn = function (int $actor_type, string $table, string $join_field) use ($limit, $offset) {
return function (string $func, string $order) use ($actor_type, $table, $join_field, $limit, $offset) {
return DB::sql(
<<<EOQ
// -------- Query builder for selecting actors joined with another table, namely activity and group_inbox --------
$general_query_fn_fn = function (string $func, string $order) use ($limit, $offset) {
return fn (string $table, string $join_field) => fn (int $actor_type) => DB::sql(
<<<EOQ
select {select}
from actor actr
join (
@ -84,69 +90,52 @@ class Directory extends FeedController
order by actor_activity.{$order}
limit :limit offset :offset
EOQ,
[
'type' => $actor_type,
'limit' => $limit,
'offset' => $offset,
],
['actr' => Actor::class]
);
};
[
'type' => $actor_type,
'limit' => $limit,
'offset' => $offset,
],
['actr' => Actor::class],
);
};
// -------- *** --------
$person_activity_query = $query_fn(actor_type: Actor::PERSON, table: 'activity', join_field: 'actor_id');
$group_activity_query = $query_fn(actor_type: Actor::GROUP, table: 'group_inbox', join_field: 'group_id');
// -------- Start setting up the queries --------
$actor_query_fn = fn (int $actor_type) => DB::findBy(Actor::class, ['type' => $actor_type], order_by: $order_by, limit: $limit, offset: $offset);
$modified_query_fn = $general_query_fn_fn(func: $order_by_op === 'ASC' ? 'MAX' : 'MIN', order: "created {$order_by_op}");
$activity_query_fn = $general_query_fn_fn(func: 'COUNT', order: "created {$order_by_op}");
// -------- *** --------
switch ($order_by_field) {
case 'nickname':
case 'created':
$actors = DB::findBy(Actor::class, ['type' => $actor_type], order_by: $order_by, limit: $limit, offset: $offset);
break;
// -------- Figure out the final query --------
$query_fn = match ($order_by_field) {
'nickname', 'created' => $actor_query_fn, // select only from actors
case 'modified':
$query = match ($actor_type) {
Actor::PERSON => $person_activity_query,
Actor::GROUP => $group_activity_query,
default => throw new BugFoundException("Unimplemented for actor type: {$actor_type}"),
};
$actors = $query(func: $order_by_op === 'ASC' ? 'MAX' : 'MIN', order: "created {$order_by_op}");
break;
'modified' => match ($actor_type) { // select by most/least recent activity
Actor::PERSON => $modified_query_fn(table: 'activity', join_field: 'actor_id'),
Actor::GROUP => $modified_query_fn(table: 'group_inbox', join_field: 'group_id'),
},
case 'activity':
$query = match ($actor_type) {
Actor::PERSON => $person_activity_query,
Actor::GROUP => $group_activity_query,
default => throw new BugFoundException("Unimplemented for actor type: {$actor_type}"),
};
$actors = $query(func: 'COUNT', order: "created {$order_by_op}");
break;
'activity' => match ($actor_type) { // select by most/least activity amount
Actor::PERSON => $activity_query_fn(table: 'activity', join_field: 'actor_id'),
Actor::GROUP => $activity_query_fn(table: 'group_inbox', join_field: 'group_id'),
},
default:
throw new BugFoundException("Unkown order by found, but should have been validated: {$order_by_field}");
}
default => throw new BugFoundException("Unkown order by found, but should have been validated: {$order_by_field}"),
};
// -------- *** --------
return [
'_template' => $template,
'actors' => $actors,
'actors' => $query_fn($actor_type),
'page' => $page,
];
}
/**
* people stream
*
* @return array template
*/
public function people(Request $request): array
{
return $this->impl($request, 'directory/people.html.twig', Actor::PERSON);
}
/**
* groups stream
*
* @return array template
*/
public function groups(Request $request): array
{
return $this->impl($request, 'directory/groups.html.twig', Actor::GROUP);