lepisi-pengumuman/App/Controllers/Posts.php

<?php
namespace App\Controllers;

use \Core\View;
use App\Models\Post;
use App\Models\Access;
use \Core\Token;
use \Core\Session;
use \Core\Redirect;

class Posts
{
    private $post,
            $access,
            $table;

    public function __construct()
    {
        $this->post = new Post();
        $this->access = new Access();
        $this->table = 'pengumuman';
    }

    public function checkValid()
    {
        $date = new \DateTime();
        $now = $date->format("Y-m-d");

        $valid = $this->post->showAll($this->table, [
            ['valid_at', '<=', $now],
            ['status', '!=', 3]
        ]);
        if ($valid) {
            foreach ($valid as $fields) {
                $id = $fields['id'];

                $this->post->update($this->table, ['status' => 1], $id);
            }
        }

        $not_valid = $this->post->showAll($this->table, [
            ['valid_at', '>', $now],
            ['status', '!=', 3]
        ]);
        if ($not_valid) {
            foreach ($not_valid as $fields) {
                $id = $fields['id'];

                $this->post->update($this->table, ['status' => 2], $id);
            }
        }

        $expired = $this->post->showAll($this->table, [
            ['expired_at', '<', $now],
            ['status', '!=', 3]
        ]);
        if ($expired) {
            foreach ($expired as $fields) {
                $id = $fields['id'];

                $this->post->update($this->table, ['status' => 0], $id);
            }
        }
    }

    /* Routes */
    public function index()
    {
        $this->checkValid();

        $posts = $this->post->showAll($this->table, [
            ['status', '=', 1]
        ]);

        $url = 'Data/pengumuman.html';

        $status = '';

        if (Session::exists('userid')) {
            $posts = $this->post->showAll($this->table);
            $status = 'admin';
        }

        for ($i=0; $i < count($posts); $i++) {
            $posts[$i]['content'] = preg_replace('/[\r]/', '', $posts[$i]['content']);
            $posts[$i]['content'] = preg_replace('/[\n]/', "<br/>", $posts[$i]['content']);
        }

        View::render($url, [
            'posts' => $posts,
            'status' => $status
        ]);
    }

    public function entry()
    {
        if (Session::exists('userid')) {
            $date = new \DateTime();
            $now = $date->format("Y-m-d");

            $categories = $this->post->showCategories();

            $user = Session::get('userid');

            View::render('Data/entry_pengumuman.html', [
                'categories' => $categories,
                'timestamp' => $now,
                'user' => $user,
                'token' => Token::generate()
            ]);
        } else {
            throw new \Exception("Page not found", 404);
        }
    }

    public function edit($id)
    {
        if (Session::exists('userid')) {
            if ($id) {
                if (is_array($id)) {
                    $id = implode('', $id);
                }

                $categories = $this->post->showCategories();

                $post = $this->post->showAll($this->table, [
                    ['id', '=', $id]
                ]);
                $creator = $post['creator'];
                $editor = $post['editor'];

                $creator = $this->access->showAll($this->table, [
                    ['id', '=', $creator]
                ]);
                $editor = $this->access->showAll($this->table, [
                    ['id', '=', $editor]
                ]);

                $editor_now = Session::get('userid');

                $date = new \DateTime();
                $timestamp = $date->format("Y-m-d");

                View::render(
                    'Data/edit_pengumuman.html',
                    [
                        'post' => $post,
                        'categories' => $categories,
                        'creator' => $creator,
                        'editor' => $editor,
                        'editor_now' => $editor_now,
                        'timestamp' => $timestamp,
                        'token' => Token::generate()
                    ]
                );
            }
        } else {
            throw new \Exception("Page not found", 404);
        }
    }

    public function category()
    {
        if (Session::exists('userid')) {
            $categories = $this->post->showCategories();

            View::render('Data/kategori.html', [
                'categories' => $categories,
                'token' => Token::generate()
            ]);
        } else {
            throw new \Exception("Page not found", 404);
        }
    }

    /* Methods */
    public function post($args = [])
    {
        if (isset($args['_addon'])) {
            $this->table = $args['_addon'];
            unset($args['_addon']);
        }

        foreach ($args as $value) {
            if ($value == '') {
                Session::flash('info', 'Semua data harus diisi.');
                if ($this->table == 'pengumuman') {
                    Redirect::to('/posts/entry');
                } elseif ($this->table == 'kategori') {
                    Redirect::to('/posts/category');
                }
                die();
            }
        }

        if ($this->post->entry($this->table, $args)) {
            Session::flash('info', 'Data berhasil diunggah.');

            if ($this->table == 'kategori') {
                Redirect::to('/posts/category');
            } elseif ($this->table == 'pengumuman') {
                Redirect::to('/');
            }
        }

        // Return the $table back to default
        $this->table = 'pengumuman';
    }

    public function put($args = [])
    {
        $args['content'] = htmlspecialchars($args['content']);

        $id = $args['id'];
        unset($args['id']);

        // Check if data same with old data
        $old_data = [
            $args['old_category'],
            $args['old_content'],
            $args['old_valid_at'],
            $args['old_expired_at']
        ];
        $new_data = [
            $args['category'],
            $args['content'],
            $args['valid_at'],
            $args['expired_at']
        ];

        if ($old_data == $new_data) {
            Session::flash('info', 'Tidak ada data yang diubah.');
            Redirect::to("./$id");
            die();
        }

        $keys = array_keys($args);
        if ($matches = preg_grep('/^old_/', $keys)) {
            foreach ($matches as $match) {
                unset($args[$match]);
            }
        }

        if ($this->post->update($this->table, $args, $id)) {
            Session::flash('info', 'Data berhasil diperbarui.');
            Redirect::to('/');
        } else {
            Session::flash('info', 'Terjadi kesalahan. Silahkan coba lagi dalam beberapa saat.');
            Redirect::to("./$id");
        }
    }

    public function delete($args = [])
    {
        if (isset($args['_addon'])) {
            $this->table = $args['_addon'];
            unset($args['_addon']);
        }

        $id = $args['id'];

        if ($this->post->delete($this->table, $id)) {
            Session::flash('info', 'Data berhasil di nonaktifkan');

            if ($this->table = 'kategori') {
                Redirect::to('/posts/category');
            } elseif ($this->table = 'pengumuman') {
                Redirect::to('/');
            }
        }

        // Return the $table back to default
        $this->table = 'pengumuman';
    }
}