class_post_edit.php

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<?php

/*
+--------------------------------------------------------------------------
|   Invision Power Board v2.1.5
|   =============================================
|   by Matthew Mecham
|   (c) 2001 - 2005 Invision Power Services, Inc.
|   
|   =============================================
|   Web: 
|   Time: Wed, 01 Mar 2006 19:11:28 GMT
|   Release: 
|   Licence Info: 
+---------------------------------------------------------------------------
|   > $Date: 2006-01-11 22:47:48 +0000 (Wed, 11 Jan 2006) $
|   > $Revision: 122 $
|   > $Author: bfarber $
+---------------------------------------------------------------------------
|
|   > Post Sub-Class
|   > Module written by Matt Mecham
|   > Date started: Wednesday 9th March 2005 (15:23)
+--------------------------------------------------------------------------
*/


class post_functions extends class_post
{
	var $nav               = array();
	var $title             = "";
	var $post              = array();
	var $upload            = array();
	var $moderator         = array( 'member_id' => 0, 'member_name' => "", 'edit_post' => 0 );
	var $orig_post         = array();
	var $edit_title        = 0;
	var $post_key		   = "";
	var $class             = "";
	
	function main_init()
	{
		//-----------------------------------------
		// Load classes
		//-----------------------------------------
		
		$this->load_classes();
		$this->build_permissions();
		
		//-----------------------------------------
		// Lets load the topic from the database before we do anything else.
		//-----------------------------------------
		
		$this->ipsclass->DB->simple_construct( array( 'select' => '*', 'from' => 'topics', 'where' => "tid=".intval($this->ipsclass->input['t']) ) );
		$this->ipsclass->DB->simple_exec();
		
		$this->topic = $this->ipsclass->DB->fetch_row();
		
		//-----------------------------------------
		// Is it legitimate?
		//-----------------------------------------
		
		if ( ! $this->topic['tid'] )
		{
			$this->ipsclass->Error( array( LEVEL => 1, MSG => 'missing_files') );
		}
		
		//-----------------------------------------
		// Load the old post
		//-----------------------------------------
		
		$this->ipsclass->DB->simple_construct( array( 'select' => '*', 'from' => 'posts', 'where' => "pid=".intval($this->ipsclass->input['p']) ) );
		$this->ipsclass->DB->simple_exec();
		
		$this->orig_post = $this->ipsclass->DB->fetch_row();
		
		if (! $this->orig_post['pid'])
		{
			$this->ipsclass->Error( array( LEVEL => 1, MSG => 'missing_files') );
		}
		
		//-----------------------------------------
		// Generate post key (do we have one?)
		//-----------------------------------------
		
		if ( ! $this->orig_post['post_key'] )
		{
			//-----------------------------------------
			// Generate one and save back to post and attachment
			// to ensure 1.3 < compatibility
			//-----------------------------------------
			
			$this->post_key = md5(microtime());
			
			$this->ipsclass->DB->do_update( 'posts', array( 'post_key' => $this->post_key ), 'pid='.$this->orig_post['pid'] );
			
			$this->ipsclass->DB->do_update( 'attachments', array( 'attach_post_key' => $this->post_key ), 'attach_pid='.$this->orig_post['pid'] );
		}
		else
		{
			$this->post_key = $this->orig_post['post_key'];
		}
		
		//-----------------------------------------
		// Load the moderator
		//-----------------------------------------
		
		if ($this->ipsclass->member['id'])
		{
			$this->ipsclass->DB->simple_construct( array( 'select' => 'member_id, member_name, mid, edit_post, edit_topic',
										  				  'from'   => 'moderators',
										  				  'where'  => "forum_id=".$this->forum['id']." AND (member_id='".$this->ipsclass->member['id']."' OR (is_group=1 AND group_id='".$this->ipsclass->member['mgroup']."'))" ) );
										  
			$this->ipsclass->DB->simple_exec();
		
			$this->moderator = $this->ipsclass->DB->fetch_row();
		}
		
		//-----------------------------------------
		// Lets do some tests to make sure that we are
		// allowed to edit this topic
		//-----------------------------------------
		
		$can_edit = 0;
		
		if ($this->ipsclass->member['g_is_supmod'])
		{
			$can_edit = 1;
		}
		
		if ($this->moderator['edit_post'])
		{
			$can_edit = 1;
		}
		
		if ( ($this->orig_post['author_id'] == $this->ipsclass->member['id']) and ($this->ipsclass->member['g_edit_posts']) )
		{
			//-----------------------------------------
			// Have we set a time limit?
			//-----------------------------------------
			
			if ($this->ipsclass->member['g_edit_cutoff'] > 0)
			{
				if ( $this->orig_post['post_date'] > ( time() - ( intval($this->ipsclass->member['g_edit_cutoff']) * 60 ) ) )
				{
					$can_edit = 1;
				}
			}
			else
			{
				$can_edit = 1;
			}
		}
		
		if ( $can_edit != 1 )
		{
			$this->ipsclass->Error( array( 'LEVEL' => 1, 'MSG' => 'not_op') );
		}
		
		//-----------------------------------------
		// Check access
		//-----------------------------------------
		
		$this->check_for_edit($this->topic);
		
		//-----------------------------------------
		// Do we have edit topic abilities?
		//-----------------------------------------
		
		# For edit, this means there is a poll and we have perm to edit
		$this->can_add_poll = 0;
		
		if ( $this->orig_post['new_topic'] == 1 )
		{
			if ( $this->ipsclass->member['g_is_supmod'] == 1 )
			{
				$this->edit_title = 1;
				
				if ( $this->topic['poll_state'] )
				{
					$this->can_add_poll = 1;
				}
			}
			else if ( $this->moderator['edit_topic'] == 1 )
			{
				$this->edit_title = 1;
				
				if ( $this->topic['poll_state'] )
				{
					$this->can_add_poll = 1;
				}
				
			}
			else if ( $this->ipsclass->member['g_edit_topic'] == 1 )
			{
				$this->edit_title = 1;
			}
		}
	}
	
	/*-------------------------------------------------------------------------*/
	// MAIN PROCESS FUNCTION
	/*-------------------------------------------------------------------------*/
	
	function process_post()
	{
		//-----------------------------------------
		// Convert times...
		//-----------------------------------------
		
		$this->convert_open_close_times();
		
		//-----------------------------------------
		// Did we remove an attachment?
		//-----------------------------------------
		
		if ( $this->ipsclass->input['removeattachid'] )
		{
			if ( $this->ipsclass->input[ 'removeattach_'. $this->ipsclass->input['removeattachid'] ] )
			{
				$this->pf_remove_attachment( intval($this->ipsclass->input['removeattachid']), $this->post_key );
				$this->show_form();
			}
		}
		
		//-----------------------------------------
		// Did we add an attachment?
		//-----------------------------------------
		
		if ( $this->ipsclass->input['attachgo'] )
		{
			$this->obj['post_errors'] = "";
			$this->upload_id = $this->process_upload();
			$this->show_form();
		}
		
		//-----------------------------------------
		// Parse the post, and check for any errors.
		// overwrites saved post intentionally
		//-----------------------------------------
		
		$this->post = $this->compile_post();
		
		//-----------------------------------------
		// Compile the poll
		//-----------------------------------------
		
		$this->poll_questions = $this->compile_poll();
		
		//-----------------------------------------
		// Check for errors
		//-----------------------------------------
		
		if ($this->obj['post_errors'] == "")
		{
			$this->upload = $this->process_upload();
		}
		
		if ( ($this->obj['post_errors'] != "") or ($this->obj['preview_post'] != "") )
		{
			//-----------------------------------------
			// Show the form again
			//-----------------------------------------
			
			$this->show_form($class);
		}
		else
		{
			$this->save_post($class);
		}
	}
	
	/*-------------------------------------------------------------------------*/
	// COMPLETE EDIT THINGY
	/*-------------------------------------------------------------------------*/
	
	function save_post()
	{
		$time = $this->ipsclass->get_date( time(), 'LONG' );
				
		//-----------------------------------------
		// Reset some data
		//-----------------------------------------
		
		$this->post['ip_address']  = $this->orig_post['ip_address'];
		$this->post['topic_id']    = $this->orig_post['topic_id'];
		$this->post['author_id']   = $this->orig_post['author_id'];
		$this->post['post_date']   = $this->orig_post['post_date'];
		$this->post['author_name'] = $this->orig_post['author_name'];
		$this->post['queued']      = $this->orig_post['queued'];
		$this->post['edit_time']   = time();
		$this->post['edit_name']   = $this->ipsclass->member['members_display_name'];
		
		//-----------------------------------------
		// If the post icon has changed, update the topic post icon
		//-----------------------------------------
		
		if ($this->orig_post['new_topic'] == 1)
		{
			if ($this->post['icon_id'] != $this->orig_post['icon_id'])
			{
				$this->ipsclass->DB->do_update( 'topics', array( 'icon_id' => $this->post['icon_id'] ), 'tid='.$this->topic['tid'] );
			}
		}
		
		//-----------------------------------------
		// Update open and close times
		//-----------------------------------------
		
		if ( $this->orig_post['new_topic'] == 1 )
		{
			$times = array();
			
			if ( $this->can_set_open_time )
			{
				$times['topic_open_time'] = $this->times['open'];
				
				if( $this->topic['topic_open_time'] AND $this->times['open'] )
				{
					$times['state'] = "closed";
					
					if( time() > $this->topic['topic_open_time'] )
					{
						if( time() < $this->topic['topic_close_time'] )
						{
							$times['state'] = "open";
						}
					}
				}
				if ( ! $this->times['open'] AND $this->topic['topic_open_time'] )
				{
					if ( $this->topic['state'] == 'closed' )
					{
						$times['state'] = 'open';
					}
				}				
			}
						
			if ( $this->can_set_close_time )
			{
				$times['topic_close_time'] = $this->times['close'];
				
				//-----------------------------------------
				// Was a close time, but not now?
				//-----------------------------------------
				
				if ( ! $this->times['close'] AND $this->topic['topic_close_time'] )
				{
					if ( $this->topic['state'] == 'closed' )
					{
						$times['state'] = 'open';
					}
				}
			}
			
			if ( count( $times ) )
			{
				$this->ipsclass->DB->do_update( 'topics', $times, "tid=".$this->topic['tid'] );
			}
		}
		
		//-----------------------------------------
		// Update topic title?
		//-----------------------------------------