/addons/modules/news/controllers/admin.php

<?php if (!defined('BASEPATH')) exit('No direct script access allowed');

class Admin extends Admin_Controller
{
	// Validation rules to be used for create and edit
	private $rules = array(
		'title' 			=> 'trim|htmlspecialchars|required|max_length[100]',
		'slug' 				=> 'trim|required|alpha_dot_dash|max_length[100]',
		'category_id' 		=> 'trim|numeric',
		'intro' 			=> 'trim|required',
		'body' 				=> 'trim|required',
		'status' 			=> 'trim|alpha',
		
		'created_on_day' 	=> 'trim|numeric|required',
		'created_on_month' 	=> 'trim|numeric|required',
		'created_on_year' 	=> 'trim|numeric|required',
		
		'created_on_hour' 	=> 'trim|numeric|required',
		'created_on_minute' => 'trim|numeric|required'
	);
	
	function __construct()
	{
		parent::Admin_Controller();
		
		$this->load->model('news_m');
		$this->load->model('news_categories_m');
		$this->lang->load('news');
		$this->lang->load('categories');
		
		// Date ranges for select boxes
		$this->data->days = array_combine($days = range(1, 31), $days);
		$this->data->months = array_combine($months = range(1, 12), $months);
		$this->data->years = array_combine($years = range(date('Y')-2, date('Y')+2), $years);
		
		$this->data->hours = array_combine($hours = range(1, 23), $hours);
		$this->data->minutes = array_combine($minutes = range(1, 59), $minutes);
		
		$this->data->categories = array();
		if($categories = $this->news_categories_m->get_all())
		{
			foreach($categories as $category)
			{
				$this->data->categories[$category->id] = $category->title;
			}
		}
		
		$this->template->set_partial('shortcuts', 'admin/partials/shortcuts');
	}
	
	// Admin: List news articles
	function index()
	{
		// Create pagination links
		$total_rows = $this->news_m->count_by(array('show_future'=>TRUE, 'status' => 'all'));
		$this->data->pagination = create_pagination('admin/news/index', $total_rows);
		
		// Using this data, get the relevant results
		$this->data->news = $this->news_m->limit($this->data->pagination['limit'])->get_many_by(array(
			'show_future'=>TRUE,
			'status' => 'all'
		));
		
		$this->template->build('admin/index', $this->data);
	}
	
	// Admin: Create a new article
	function create()
	{
		$this->load->library('validation');
		$this->rules['slug'] .= '|callback__check_slug';
		$this->validation->set_rules($this->rules);
		$this->validation->set_fields();
		
		// Go through all the known fields and get the post values
		foreach(array_keys($this->rules) as $field)
		{
			$article->$field = set_value($field);
		}
		
		if ($this->validation->run())
		{
			$id = $this->news_m->insert(array(
	            'title'				=> $this->input->post('title'),
	            'slug'				=> $this->input->post('slug'),
	            'category_id'		=> $this->input->post('category_id'),
	            'intro'				=> $this->input->post('intro'),
	            'body'				=> $this->input->post('body'),
	            'status'			=> $this->input->post('status'),
				'created_on_hour'	=> $this->input->post('created_on_hour'),
				'created_on_minute'	=> $this->input->post('created_on_minute'),
				'created_on_day'	=> $this->input->post('created_on_day'),
				'created_on_month'	=> $this->input->post('created_on_month'),
				'created_on_year'	=> $this->input->post('created_on_year'),
	    	));
    	
			if (!empty($id))
			{
				$this->session->set_flashdata('success', sprintf($this->lang->line('news_article_add_success'), $this->input->post('title')));
			
				// The twitter module is here, and enabled!
				if($this->settings->item('twitter_news') == 1 && $this->user->twitter_access_token != NULL && $this->user->twitter_access_token_secret != NULL && $this->input->post('status') == 'live')
				{
					$url = shorten_url('news/'.$this->input->post('created_on_year').'/'.$this->input->post('created_on_month').'/'.url_title($this->input->post('title')));
					$this->load->library('twitter/twitter');

					// Try to authenticate
					$auth = $this->twitter->oauth($this->settings->item('twitter_consumer_key'), $this->settings->item('twitter_consumer_key_secret'), $this->user->twitter_access_token, $this->user->twitter_access_token_secret);

					$status_update = $this->twitter->call('statuses/update', array('status' => sprintf($this->lang->line('news_twitter_posted'), $this->input->post('title'), $url)));
					if(!is_array($status_update))
					{
						$this->session->set_flashdata('error', lang('news_twitter_error') . ": " . 'Unable to update Twitter status');
					}
				}
				// End twitter code
			}
			
			else
			{
				$this->session->set_flashdata('error', $this->lang->line('news_article_add_error'));
			}			
			redirect('admin/news');
		}
		
		$this->data->article =& $article;
		
		// Load WYSIWYG editor
		$this->template->append_metadata( $this->load->view('fragments/wysiwyg', $this->data, TRUE) )
			->append_metadata( js('news_form.js', 'news') );
			
		$this->template->build('admin/form', $this->data);
	}
	
	// Admin: Edit an article
	function edit($id = 0)
	{
		if (!$id)
		{
			redirect('admin/news');
		}
		
		$this->load->library('validation');
		$this->validation->set_rules($this->rules);
		$this->validation->set_fields();		
		$article = $this->news_m->get($id);
		
		if ($this->validation->run())
		{
			
			$result = $this->news_m->update($id, array(
	            'title'				=> $this->input->post('title'),
	            'slug'				=> $this->input->post('slug'),
	            'category_id'		=> $this->input->post('category_id'),
	            'intro'				=> $this->input->post('intro'),
	            'body'				=> $this->input->post('body'),
	            'status'			=> $this->input->post('status'),
				'created_on_hour'	=> $this->input->post('created_on_hour'),
				'created_on_minute'	=> $this->input->post('created_on_minute'),
				'created_on_day'	=> $this->input->post('created_on_day'),
				'created_on_month'	=> $this->input->post('created_on_month'),
				'created_on_year'	=> $this->input->post('created_on_year'),
	    	));
			
			if ($result)
			{
				$this->session->set_flashdata(array('success'=> sprintf($this->lang->line('news_edit_success'), $this->input->post('title'))));
				
				// The twitter module is here, and enabled!
				if($this->settings->item('twitter_news') == 1 && ($article->status != 'live' && $this->input->post('status') == 'live'))
				{
					$url = shorten_url('news/'.$this->input->post('created_on_year').'/'.str_pad($this->input->post('created_on_month'), 2, '0', STR_PAD_LEFT).'/'.url_title($this->input->post('title')));
					$this->load->model('twitter/twitter_m');
					if(!$this->twitter_m->update(sprintf($this->lang->line('news_twitter_posted'), $this->input->post('title'), $url)))
					{
						$this->session->set_flashdata('error', lang('news_twitter_error') . ": " . $this->twitter->last_error['error']);
					}
				}
				// End twitter code
			}
			
			else
			{
				$this->session->set_flashdata(array('error'=> $this->lang->line('news_edit_error')));
			}
			
			redirect('admin/news');
		}
		
		// Go through all the known fields and get the post values
		foreach(array_keys($this->rules) as $field)
		{
			if(isset($_POST[$field])) $article->$field = $this->validation->$field;
		}    	
		$this->data->article =& $article;
		
		// Load WYSIWYG editor
		$this->template->append_metadata( $this->load->view('fragments/wysiwyg', $this->data, TRUE) );		
		$this->template->build('admin/form', $this->data);
	}	
	
	function preview($id = 0)
	{		
		$this->data->article = $this->news_m->get($id);
		
		$this->template->set_layout('admin/basic_layout');
		$this->template->build('admin/preview', $this->data);
	}
	
	// Admin: Different actions
	function action()
	{
		switch($this->input->post('btnAction'))
		{
			case 'publish':
				$this->publish();
			break;
			case 'delete':
				$this->delete();
			break;
			default:
				redirect('admin/news');
			break;
		}
	}
	
	// Admin: Publish an article
	function publish($id = 0)
	{
		// Publish one
		$ids = ($id) ? array($id) : $this->input->post('action_to');
		
		if(!empty($ids))
		{
			// Go through the array of slugs to publish
			$article_titles = array();
			foreach ($ids as $id)
			{
				// Get the current page so we can grab the id too
				if($article = $this->news_m->get($id) )
				{
					$this->news_m->publish($id);
					
					// Wipe cache for this model, the content has changed
					$this->cache->delete('news_m');				
					$article_titles[] = $article->title;
				}
			}
		}
	
		// Some articles have been published
		if(!empty($article_titles))
		{
			// Only publishing one article
			if( count($article_titles) == 1 )
			{
				$this->session->set_flashdata('success', sprintf($this->lang->line('news_publish_success'), $article_titles[0]));
			}			
			// Publishing multiple articles
			else
			{
				$this->session->set_flashdata('success', sprintf($this->lang->line('news_mass_publish_success'), implode('", "', $article_titles)));
			}
		}		
		// For some reason, none of them were published
		else
		{
			$this->session->set_flashdata('notice', $this->lang->line('news_publish_error'));
		}
		
		redirect('admin/news');
	}
	
	// Admin: Delete an article
	function delete($id = 0)
	{
		// Delete one
		$ids = ($id) ? array($id) : $this->input->post('action_to');
		
		// Go through the array of slugs to delete
		if(!empty($ids))
		{
			$article_titles = array();
			foreach ($ids as $id)
			{
				// Get the current page so we can grab the id too
				if($article = $this->news_m->get($id) )
				{
					$this->news_m->delete($id);
					
					// Wipe cache for this model, the content has changed
					$this->cache->delete('news_m');				
					$article_titles[] = $article->title;
				}
			}
		}
		
		// Some pages have been deleted
		if(!empty($article_titles))
		{
			// Only deleting one page
			if( count($article_titles) == 1 )
			{
				$this->session->set_flashdata('success', sprintf($this->lang->line('news_delete_success'), $article_titles[0]));
			}			
			// Deleting multiple pages
			else
			{
				$this->session->set_flashdata('success', sprintf($this->lang->line('news_mass_delete_success'), implode('", "', $article_titles)));
			}
		}		
		// For some reason, none of them were deleted
		else
		{
			$this->session->set_flashdata('notice', lang('news_delete_error'));
		}
		
		redirect('admin/news');
	}
	
	
	// Callback: from create()
	function _check_slug($slug = '')
	{
		if(!$this->news_m->check_slug($slug))
		{
			$this->validation->set_message('_check_slug', lang('news_already_exist_error'));
			return FALSE;
		}
		
		return TRUE;
	}
	
}
?>