<?php
// +-------------------------------------------------+
// | 2002-2011 PMB Services / www.sigb.net pmb@sigb.net et contributeurs (voir www.sigb.net)
// +-------------------------------------------------+
// $Id: notice_relation.class.php,v 1.11.6.4 2021/03/18 08:57:46 dgoron Exp $

if (stristr($_SERVER['REQUEST_URI'], ".class.php")) die("no access");

global $class_path;
require_once($class_path."/notice_relations.class.php");
require_once($class_path."/mono_display.class.php");
require_once($class_path."/serial_display.class.php");
require_once($class_path."/notice.class.php");
require_once($class_path."/serials.class.php");

class notice_relation {
	
	
	protected $id;
	
	protected $reverse_instance;
	
	protected $num_notice;
	
	protected $linked_notice;
	
	protected $relation_type;

	protected $rank;
	
	protected $direction;
	
	protected $num_reverse_link;
	
	protected $niveau_biblio;
	
	protected $niveau_hierar;
	
	/**
	 * 
	 * @var notice_relation
	 */
	protected $reverse_notice_relation;
	
	protected $parent_niveau_biblio;
	
	protected $parent_niveau_hierar;
	
	protected $to_delete;
	
	protected $serial_id;
	
	public function __construct($id=0, $reverse_instance=true) {
		$this->id = $id+0;
		$this->reverse_instance = $reverse_instance;
		$this->fetch_data();
	}
	
	/**
	 * Data
	 */
	protected function fetch_data() {
		$this->num_notice = 0;
		$this->linked_notice = 0;
		$this->relation_type = '';
		$this->rank = 0;
		$this->direction = '';
		$this->num_reverse_link = 0;
		$this->niveau_biblio = '';
		$this->niveau_hierar = '';
		$this->to_delete = false;
		$this->serial_id = 0;
		if($this->id) {
			$query = "select num_notice, linked_notice, relation_type, rank, direction, num_reverse_link, niveau_biblio, niveau_hierar 
					from notices_relations join notices on notice_id=num_notice 
					where id_notices_relations = ".$this->id;
			$result = pmb_mysql_query($query);
			$row = pmb_mysql_fetch_object($result);
			$this->num_notice = $row->num_notice;
			$this->linked_notice = $row->linked_notice;
			$this->relation_type = $row->relation_type;
			$this->rank = $row->rank;
			$this->direction = $row->direction;
			$this->num_reverse_link = $row->num_reverse_link;
			$this->niveau_biblio = $row->niveau_biblio;
			$this->niveau_hierar = $row->niveau_hierar;
			
			if($this->num_reverse_link && $this->reverse_instance) {
				$this->reverse_notice_relation = new notice_relation($this->num_reverse_link, false);
			}
			if($this->niveau_biblio == 'b') {
				$query = 'select bulletin_notice from bulletins where num_notice ='.$this->num_notice;
				$result = pmb_mysql_query($query);
				if(pmb_mysql_num_rows($result)) {
					$row = pmb_mysql_fetch_object($result);
					$this->serial_id = $row->bulletin_notice;
				}
			}
		}		
	}
	
	public function get_form($n_rel, $niveau_biblio='m', $from_duplicate_form = false) {
		global $charset;
		global $notice_relations_link_tpl;
		
		if($this->linked_notice) {
			$query = "select niveau_biblio from notices where notice_id=".$this->linked_notice;
			$result = pmb_mysql_query($query);
			$row = pmb_mysql_fetch_object($result);
			switch ($row->niveau_biblio) {
				case 's':
					$called_class = 'serial';
					break;
				case 'b':
					$called_class = 'bulletinage';
					break;
				case 'a':
					$called_class = 'analysis';
					break;
				case 'm':
					$called_class = 'notice';
					break;
			}
		}
		
		//Selection du template
		$form=$notice_relations_link_tpl;
			
		//Construction du textbox
		$form=str_replace("!!notice_relations_id!!",$this->linked_notice,$form);
		$form=str_replace("!!notice_relations_libelle!!",($this->linked_notice ? htmlentities($called_class::get_notice_title($this->linked_notice),ENT_QUOTES,$charset) : ''),$form);
		$form=str_replace("!!n_rel!!",$n_rel,$form);
		$form=str_replace("!!linked_notice_is_disabled!!",($this->id ? "disabled='disabled'" : ""),$form);
		$form=str_replace("!!linked_notice_button_is_hidden!!",($this->id ? "style='display:none'" : ""),$form);
			
		//Construction du combobox de type de lien
		$add_reverse_link_checked = '';
		if($this->id) {
			$selector = $this->get_selector_from_relation('f_rel_type_'.$n_rel, 'update_rel_reverse_type(this, '.$n_rel.');');
			if ($this->num_reverse_link) {
				$add_reverse_link_checked = "checked='checked'";
			}
		} else {
			$deflt_relation = notice_relations::get_default_relation_type($niveau_biblio);
			$selector = notice_relations::get_selector('f_rel_type_'.$n_rel, $deflt_relation, 'update_rel_reverse_checked(this, '.$n_rel.'); update_rel_reverse_type(this, '.$n_rel.');');
			$deflt_relation_type=explode('-', $deflt_relation)[0];
			$deflt_direction=explode('-', $deflt_relation)[1];
			if(notice_relations::$liste_type_relation[$deflt_direction]->attributes[$deflt_relation_type]['REVERSE_CODE_DEFAULT_CHECKED']=='YES') {
				$add_reverse_link_checked = "checked='checked'";
			}
		}		
		$form=str_replace("!!relations_links_selector!!", $selector, $form);
			
		$form=str_replace("!!add_reverse_link!!", $add_reverse_link_checked, $form);
		if ($add_reverse_link_checked) {
			$form=str_replace("!!checked_dflt_reverse_link!!", "checkbox_f_rel0_add_reverse_link.setAttribute('checked','checked');", $form);
		} else {
			$form=str_replace("!!checked_dflt_reverse_link!!", "", $form);
		}
			
		//Construction du combobox de type de lien associé
		if(isset($this->reverse_notice_relation)) {
			$reverse_selector = $this->reverse_notice_relation->get_selector_from_relation('f_rel_reverse_type_'.$n_rel);
			$form = str_replace('!!f_rel_add_reverse_link_action!!',' onChange = \'update_add_reverse_link_action('.$n_rel.', this.checked);\'',$form);
 		} else {
 			if ($this->id) {
				$reverse_selector = notice_relations::get_selector('f_rel_reverse_type_'.$n_rel, notice_relations::$liste_type_relation[$this->direction]->attributes[$this->relation_type]['REVERSE_CODE'].'-'.notice_relations::$liste_type_relation[$this->direction]->attributes[$this->relation_type]['REVERSE_DIRECTION']);
 			} else {
				$reverse_selector = notice_relations::get_selector('f_rel_reverse_type_'.$n_rel, notice_relations::get_default_reverse_relation_type($niveau_biblio));
 			}
			$form = str_replace('!!f_rel_add_reverse_link_action!!','',$form);
		}
		$form = str_replace('!!del_action!!','raz_existing_rel('.$n_rel.');',$form);
		$form=str_replace("!!relations_reverse_links_selector!!", $reverse_selector, $form);
			
		//Champs cachés
		if (!$from_duplicate_form) {
			$form=str_replace("!!id_notices_relations!!", $this->id, $form);
			$form=str_replace("!!num_reverse_link!!", $this->num_reverse_link, $form);
		} else {
			$form=str_replace("!!id_notices_relations!!", 0, $form);
			$form=str_replace("!!num_reverse_link!!", 0, $form);
		}
			
		return $form;
	}
	
	protected function get_selector_options($direction='') {
		$options = '';
		if ($this->num_notice) {
			foreach(notice_relations::$liste_type_relation[$direction]->table as $key=>$val){
				$reverse_code = notice_relations::$liste_type_relation[$direction]->attributes[$key]['REVERSE_CODE'];
				$reverse_direction = notice_relations::$liste_type_relation[$direction]->attributes[$key]['REVERSE_DIRECTION'];
				if(preg_match('/^'.$key.'/', $this->relation_type) && $this->direction==$direction){
					$options.='<option  style="color:#000000" value="'.$key.'-'.$direction.'" selected="selected" data-reverse-code="'.$reverse_code.'-'.$reverse_direction.'">'.$val.'</option>';
				}else{
					$options.='<option  style="color:#000000" value="'.$key.'-'.$direction.'" data-reverse-code="'.$reverse_code.'-'.$reverse_direction.'">'.$val.'</option>';
				}
			}
		} else {
			$default_relation_type = notice_relations::get_default_relation_type($this->parent_niveau_biblio);			
			foreach(notice_relations::$liste_type_relation[$direction]->table as $key=>$val){
				$reverse_code = notice_relations::$liste_type_relation[$direction]->attributes[$key]['REVERSE_CODE'];
				$reverse_direction = notice_relations::$liste_type_relation[$direction]->attributes[$key]['REVERSE_DIRECTION'];
				if($key.'-'.$direction == $default_relation_type){
					$options.='<option  style="color:#000000" value="'.$key.'-'.$direction.'" selected="selected" data-reverse-code="'.$reverse_code.'-'.$reverse_direction.'">'.$val.'</option>';
				}else{
					$options.='<option  style="color:#000000" value="'.$key.'-'.$direction.'" data-reverse-code="'.$reverse_code.'-'.$reverse_direction.'">'.$val.'</option>';
				}
			}
		}
		return $options;
	}
	
	public function get_selector_from_relation($name='', $on_change='') {
		global $msg;
		
		$tmp = explode("_",$name);
		unset($tmp[count($tmp)-1]);
		$select = "
			<select onchange='".$on_change."' id='".$name."' name='".$name."' size='1' data-form-name='".implode('_',$tmp)."_'>
				<optgroup class='erreur' label='".$msg['notice_lien_montant']."'>";
		
		$select .= $this->get_selector_options('up');
		$select .= "
				</optgroup>
				<optgroup class='erreur' label='".$msg['notice_lien_descendant']."'>";
		$select .= $this->get_selector_options('down');
		$select .= "
				</optgroup>
				<optgroup class='erreur' label='".$msg['notice_lien_symetrique']."'>";
		$select .= $this->get_selector_options('both');
		$select .= "
				</optgroup>
			</select>";
		return $select;
	}
	
	public function set_properties_from_form($i) {
		
		$f_rel_id="f_rel_id_".$i;
		$f_rel="f_rel_type_".$i;
		$f_rel_add_reverse_link="f_rel_add_reverse_link_".$i;
		$f_rel_reverse="f_rel_reverse_type_".$i;
		$f_rel_id_notices_relations="f_rel_id_notices_relations_".$i;
		$f_rel_num_reverse_link="f_rel_num_reverse_link_".$i;
		$f_rel_delete_link="f_rel_delete_link_".$i;			
			
		global ${$f_rel_id};
		global ${$f_rel};
		global ${$f_rel_add_reverse_link};
		global ${$f_rel_reverse};
		global ${$f_rel_id_notices_relations};
		global ${$f_rel_num_reverse_link};
		global ${$f_rel_delete_link};
					
		$relation_type=explode('-', ${$f_rel})[0];
		$direction=explode('-', ${$f_rel})[1];

		$relation_type_reverse=explode('-', ${$f_rel_reverse})[0];
		$direction_reverse=explode('-', ${$f_rel_reverse})[1];
			
		$this->linked_notice = ${$f_rel_id};
		$this->relation_type = $relation_type;
		$this->direction = $direction;
		$this->num_reverse_link = ${$f_rel_num_reverse_link};
		$this->rank = $i;
		$this->rank = notice_relations::$rank_by_type[$this->direction]++;
		
		if(${$f_rel_add_reverse_link}) {
			if(!isset($this->reverse_notice_relation)) {
				$this->reverse_notice_relation = new notice_relation($this->num_reverse_link, false);
				$this->reverse_notice_relation->set_rank(notice_relations::get_next_rank($this->linked_notice, $direction_reverse));
			}
			$this->reverse_notice_relation->set_num_notice($this->linked_notice);
			$this->reverse_notice_relation->set_linked_notice($this->num_notice);
			$this->reverse_notice_relation->set_relation_type($relation_type_reverse);
			$this->reverse_notice_relation->set_direction($direction_reverse);
			if ($this->id) {
				$this->reverse_notice_relation->set_num_reverse_link($this->id);
			}
			
		} else {
			if(isset($this->reverse_notice_relation)) {
				$this->num_reverse_link = 0;
				$this->reverse_notice_relation->set_num_reverse_link(0);
			}
		}
	}
	
	public function save() {
		if(isset($this->reverse_notice_relation)) {
			if($this->reverse_notice_relation->get_to_delete()) {
				$this->reverse_notice_relation->delete();
				$this->set_num_reverse_link(0);
			} else {
				$on_create = false;
				if (!$this->reverse_notice_relation->get_id()) {
					$on_create = true;
				}
				$this->reverse_notice_relation->save();
				if ($on_create) {
					$this->set_num_reverse_link($this->reverse_notice_relation->get_id());
				}
			}
		}
		if($this->id) {
			$query = "update notices_relations ";
			$where = "where id_notices_relations=".$this->id;
		} else {
			$query = "insert into notices_relations ";
			$where = "";
		}		
		$query .= "set
			num_notice = '".$this->num_notice."',
			linked_notice = '".$this->linked_notice."',
			relation_type = '".addslashes($this->relation_type)."',
			rank = '".$this->rank."',
			direction = '".addslashes($this->direction)."',
			num_reverse_link = ".$this->num_reverse_link." ".$where;
		pmb_mysql_query($query);
		
		if(!$this->id) {
			$this->id = pmb_mysql_insert_id();
			if($this->num_reverse_link) {
				pmb_mysql_query("update notices_relations
					set num_reverse_link=".$this->id."
					where id_notices_relations=".$this->num_reverse_link);
			}
		}
	}
	
	public function delete() {
		if (isset($this->reverse_notice_relation) && $this->reverse_notice_relation->get_to_delete()) {
			$this->reverse_notice_relation->delete();
		}
		
		$query = "delete from notices_relations where id_notices_relations = ".$this->id;
		pmb_mysql_query($query);
		
		pmb_mysql_query("update notices_relations
 				set num_reverse_link=0
 				where num_reverse_link=".$this->id);
	}
	
	protected function get_drag_template($id_elt, $tit1='') {
		global $charset;
		
		switch ($this->direction) {
			case 'up':
				$dragtype = 'parents';
				$recepttype = 'parents';
				break;
			case 'down':
				$dragtype = 'childs';
				$recepttype = 'childs';
				break;
			case 'both':
				$dragtype = 'pairs';
				$recepttype = 'pairs';
				break;
					
		}
		$drag_link = "<div id=\"drag_".$id_elt."\" handler=\"handle_".$id_elt."\" dragtype='".$dragtype."' draggable='yes' recepttype='".$recepttype."' recept='yes'
									dragicon='".get_url_icon('icone_drag_notice.png')."' dragtext=\"".htmlentities($tit1,ENT_QUOTES,$charset)."\" callback_before=\"is_expandable\"
													callback_after=\"\" downlight=\"noti_downlight\" highlight=\"noti_highlight\" notice_relation_id='".$this->id."' pere='".$this->num_notice."' order='".$this->rank."' type_rel=\"".$this->relation_type."\" >";
		$drag_link .= "<span id=\"handle_".$id_elt."\" style=\"float:left; padding-right : 7px\"><img src='".get_url_icon('sort.png')."' style='width:12px; vertical-align:middle' /></span>";
		return $drag_link;
	}
	
	public function get_display_link($print_mode, $show_explnum, $show_statut, $show_opac_hidden_fields, $anti_loop=array(), $force_display_level=false) {
		global $base_path;
		global $sort_children;
		global $pmb_notice_fille_format;
		global $link_explnum_serial;
		global $link_serial,$link_analysis, $link_bulletin;
		
		$display_link = '';
		//Pour avoir le lien par défaut
		if (!$print_mode && (SESSrights & CATALOGAGE_AUTH)) $link_parent=notice::get_pattern_link(); else $link_parent="";
		if($link_parent && $this->niveau_biblio=='b' && $this->niveau_hierar=='2'){
			$requete="SELECT bulletin_id FROM bulletins WHERE num_notice='".$this->linked_notice."'";
			$res=pmb_mysql_query($requete);
			if(pmb_mysql_num_rows($res)){
				$link_parent=bulletinage::get_permalink(pmb_mysql_result($res,0,0));
			}
		}
		
		if($this->direction == 'up') {
			$display_level = 0;
			$link_expl = '';
			$link_explnum = "";
		} else {
			if($pmb_notice_fille_format || $force_display_level) $display_level = 0;
			else $display_level = 6;
			$link_expl = $base_path.'/catalog.php?categ=edit_expl&id=!!notice_id!!&cb=!!expl_cb!!&expl_id=!!expl_id!!';
			$link_explnum = $base_path.'/catalog.php?categ=edit_explnum&id=!!notice_id!!&explnum_id=!!explnum_id!!';
		}
		$link_serial_sub = serial::get_permalink($this->linked_notice);
		if(!$link_analysis){
			$link_analysis=analysis::get_pattern_link();
		}
		
		if ($this->parent_niveau_biblio=='s' && $this->parent_niveau_hierar=='1') {
			$parent_notice = new serial_display($this->linked_notice, $display_level, $link_serial_sub, $link_analysis, $link_bulletin, "", $link_explnum_serial, 0, $print_mode, $show_explnum, $show_statut, $show_opac_hidden_fields, 1, 1, $anti_loop);
		} else if ($this->parent_niveau_biblio=='a' && $this->parent_niveau_hierar=='2') {
			$parent_notice = new serial_display($this->linked_notice, $display_level, $link_serial, $link_analysis, $link_bulletin, "", $link_explnum_serial, 0, $print_mode, $show_explnum, $show_statut, $show_opac_hidden_fields, 1, 1, $anti_loop);
		} else {
			$parent_notice=new mono_display($this->linked_notice,$display_level,$link_parent, 1, $link_expl, "", $link_explnum, 1, $print_mode, $show_explnum, $show_statut, $anti_loop, 1, false, $show_opac_hidden_fields, 1, 1);
		}
		
		if($this->direction == 'up') {
			if ($sort_children) {
				$id_elt =  $parent_notice->notice_id.($parent_notice->anti_loop?"_p".implode("_",$parent_notice->anti_loop):"");
				$display_link .= $this->get_drag_template($id_elt, $parent_notice->tit1);
				$display_link .= $parent_notice->header;
				$display_link .= "</div>";
			} else {
				$display_link .= $parent_notice->header;
			}
		} else {
			if((count($parent_notice->anti_loop) == 1) && $sort_children) {
				$id_elt =  $parent_notice->notice_id.($parent_notice->anti_loop?"_p".implode("_",$parent_notice->anti_loop):"");
				$display_link .= $this->get_drag_template($id_elt, $parent_notice->tit1);
				$display_link .= $parent_notice->result;
				$display_link .= "</div>";
			} else {
				$display_link .= ($pmb_notice_fille_format ? "<li>".$parent_notice->result."</li>" : $parent_notice->result);
			}
		}
		
		return $display_link;
	}
	
	public function get_id() {
		return $this->id;
	}
	
	public function get_num_notice() {
		return $this->num_notice;
	}
	
	public function set_num_notice($num_notice) {
		$this->num_notice = $num_notice;
	}
	
	public function get_linked_notice() {
		return $this->linked_notice;
	}
	
	public function set_linked_notice($linked_notice) {
		$this->linked_notice = $linked_notice;
	}
	
	public function get_relation_type() {
		return $this->relation_type;
	}
	
	public function set_relation_type($relation_type) {
		$this->relation_type = $relation_type;
	}
	
	public function get_rank() {
		return $this->rank;
	}
	
	public function set_rank($rank) {
		$this->rank = $rank;
	}

	public function get_direction() {
		return $this->direction;
	}
	
	public function set_direction($direction) {
		$this->direction = $direction;
	}
	
	public function get_num_reverse_link() {
		return $this->num_reverse_link;
	}
	
	public function set_num_reverse_link($num_reverse_link) {
		$this->num_reverse_link = $num_reverse_link;
	}
	
	public function get_niveau_biblio() {
		return $this->niveau_biblio;
	}
	
	public function get_niveau_hierar() {
		return $this->niveau_hierar;
	}
	
	public function get_reverse_notice_relation() {
		return $this->reverse_notice_relation;
	}
	
	public function set_parent_niveau_biblio($parent_niveau_biblio='m') {
		$this->parent_niveau_biblio = $parent_niveau_biblio; 
	}
	
	public function set_parent_niveau_hierar($parent_niveau_hierar='0') {
		$this->parent_niveau_hierar = $parent_niveau_hierar;
	}
	
	public function get_to_delete() {
		return $this->to_delete;
	}
	
	public function set_to_delete($to_delete=false) {
		$this->to_delete = $to_delete;
	}
	
	public function get_serial_id() {
		return $this->serial_id;
	}
}