Event.php

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<?php
class Dataface_Ontology_Event extends Dataface_Ontology {
        function buildAttributes(){
                $this->fieldnames = array();
                $this->attributes = array();
                
                $date = null;
                $start = null;
                $end = null;
                $location = null;
                $category = null;
                $allday = null;
                
                // First let's find the email field.
                
                // First we'll check to see if any fields have been explicitly 
                // flagged as email address fields.
                foreach ( $this->table->fields(false,true) as $field ){
                        if ( @$field['event.date'] ){
                                $date = $field['name'];
                                
                        }
                        if ( @$field['event.start'] ){
                                $start = $field['name'];
                        
                        } 
                        if ( @$field['event.end'] ){
                                $end = $field['name'];
                        } 
                        if ( @$field['event.location'] ){
                                $location = $field['name'];
                        } 
                        if ( @$field['event.category'] ){
                                $category = $field['name'];
                        }
                        
                        if ( @$field['event.allday'] ){
                                $allday = $field['name'];
                        }
                }
                
                if ( !isset($date) ){
                        // Next lets see if any of the fields actually contain the word
                        // email in the name
                        $candidates = preg_grep('/(date)/i', array_keys($this->table->fields(false,true)));
                        foreach ( $candidates as $candidate ){
                                if ( $this->table->isDate($candidate) ){
                                        $date = $candidate;
                                        break;
                                }
                        }
                }
                
                if ( !isset($start) ){
                        // Next lets see if any of the fields actually contain the word
                        // email in the name
                        $candidates = preg_grep('/(time|start)/i', array_keys($this->table->fields(false,true)));
                        foreach ( $candidates as $candidate ){
                                if ( $this->table->isDate($candidate) ){
                                        $start = $candidate;
                                        break;
                                }
                        }
                }
                
                if ( !isset($end) ){
                        // Next lets see if any of the fields actually contain the word
                        // email in the name
                        $candidates = preg_grep('/(time|end)/i', array_keys($this->table->fields(false,true)));
                        foreach ( $candidates as $candidate ){
                                if ( $this->table->isDate($candidate) ){
                                        $end = $candidate;
                                        break;
                                }
                        }
                }
                
                if ( !isset($location) ){
                        // Next lets see if any of the fields actually contain the word
                        // email in the name
                        $candidates = preg_grep('/(location|place|addr|venue)/i', array_keys($this->table->fields(false,true)));
                        foreach ( $candidates as $candidate ){
                                if ( in_array($this->table->getType($candidate), array('enum','varchar','char','int') ) ){
                                        if ( $this->table->isInt($candidate) ){
                                                $field =& $this->table->getField($candidate);
                                                if ( @$field['vocabulary'] ){
                                                        $location = $candidate;
                                                        break;
                                                }
                                        } else {
                                                $location = $candidate;
                                                break;
                                        }
                                }
                        }
                }
                
                if ( !isset($location) ){
                        // Next lets see if any of the fields actually contain the word
                        // email in the name
                        $candidates = preg_grep('/(cat|type)/i', array_keys($this->table->fields(false,true)));
                        foreach ( $candidates as $candidate ){
                                if ( in_array($this->table->getType($candidate), array('enum','varchar','char','int') ) ){
                                        if ( $this->table->isInt($candidate) ){
                                                $field =& $this->table->getField($candidate);
                                                if ( @$field['vocabulary'] ){
                                                        $category = $candidate;
                                                        break;
                                                }
                                        } else {
                                                $category = $candidate;
                                                break;
                                        }
                                }
                        }
                }
                
                
                if ( !isset($allday) ){
                        // Next lets see if any of the fields actually contain the word
                        // email in the name
                        $candidates = preg_grep('/(all|full|todo)/i', array_keys($this->table->fields(false,true)));
                        foreach ( $candidates as $candidate ){
                                if ( in_array($this->table->getType($candidate), array('tinyint','boolean') ) ){
                                        $allday = $candidate;
                                        break;
                                        
                                }
                        }
                }
                
                
                $atts = array('date'=>$date, 'start'=>$start, 'end'=>$end, 'location'=>$location, 'category'=>$category, 'allday'=>$allday);
                foreach ($atts as $key=>$val ){
                        if ( isset($val) ){
                                $field =& $this->table->getField($val);
                                $this->attributes[$key] =& $field;
                                unset($field);
                                $this->fieldnames[$key] = $val;
                        }
                }
                
                return true;
                
        }
        
        
}