openvk/Web/Models/Repositories/Posts.php

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<?php declare(strict_types=1);
namespace openvk\Web\Models\Repositories;
use openvk\Web\Models\Entities\Post;
use openvk\Web\Models\Entities\User;
use Nette\Database\Table\ActiveRow;
use Chandler\Database\DatabaseConnection;
class Posts
{
private $context;
private $posts;
function __construct()
{
$this->context = DatabaseConnection::i()->getContext();
$this->posts = $this->context->table("posts");
}
private function toPost(?ActiveRow $ar): ?Post
{
return is_null($ar) ? NULL : new Post($ar);
}
function get(int $id): ?Post
{
return $this->toPost($this->posts->get($id));
}
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function getPinnedPost(int $user): ?Post
{
$post = (clone $this->posts)->where([
"wall" => $user,
"pinned" => true,
"deleted" => false,
])->fetch();
return $this->toPost($post);
}
function getPostsFromUsersWall(int $user, int $page = 1, ?int $perPage = NULL, ?int $offset = NULL): \Traversable
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{
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$perPage ??= OPENVK_DEFAULT_PER_PAGE;
$offset ??= $perPage * ($page - 1);
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$pinPost = $this->getPinnedPost($user);
if(is_null($offset) || $offset == 0) {
if(!is_null($pinPost)) {
if($page === 1) {
$perPage--;
yield $pinPost;
} else {
$offset--;
}
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}
} else if(!is_null($offset)) {
$offset--;
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}
$sel = $this->posts->where([
"wall" => $user,
"pinned" => false,
"deleted" => false,
])->order("created DESC")->limit($perPage, $offset);
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foreach($sel as $post)
yield new Post($post);
}
function getPostsByHashtag(string $hashtag, int $page = 1, ?int $perPage = NULL): \Traversable
{
$hashtag = "#$hashtag";
$sel = $this->posts
->where("content LIKE ?", "%$hashtag%")
->where("deleted", 0)
->order("created DESC")
->page($page, $perPage ?? OPENVK_DEFAULT_PER_PAGE);
foreach($sel as $post)
yield new Post($post);
}
function getPostCountByHashtag(string $hashtag): int
{
$hashtag = "#$hashtag";
$sel = $this->posts
->where("content LIKE ?", "%$hashtag%")
->where("deleted", 0);
return sizeof($sel);
}
function getPostById(int $wall, int $post): ?Post
{
$post = $this->posts->where(['wall' => $wall, 'virtual_id' => $post])->fetch();
if(!is_null($post))
return new Post($post);
else
return NULL;
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}
function getPostCountOnUserWall(int $user): int
{
return sizeof($this->posts->where(["wall" => $user, "deleted" => 0]));
}
function getCount(): int
{
return sizeof(clone $this->posts);
}
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}