Changeset 31 for Dev

Timestamp:

07/21/11 17:36:04 (14 years ago)

Author:

basvannuland

Message:

new classes for survey answers writing and reading
added idtags as part of info

Location:

Dev/trunk

Files:

• classes/SurveyAnswerDatabaseInterface.php (added)
• classes/SurveyAnswerRDFReader.php (added)
• classes/SurveyAnswerRDFWriter.php (added)
• classes/SurveyDatabaseInterface.php (modified) (5 diffs)
• classes/SurveyRDFReader.php (modified) (1 diff)
• classes/SurveyRDFWriter.php (modified) (1 diff)
• rdfConstants.php (modified) (2 diffs)

Dev/trunk/classes/SurveyDatabaseInterface.php

@@ -25 +25 @@
                 $this->surveyRDFReader = new SurveyRDFReader($surveyUID);
     }
-                
-        public function __destruct() 
-        {
-                echo "Destroyed";
-        }
         
         public function setSurveyInfo($survey)
@@ -44 +39 @@
                         $qDescription = $survey['questionDescription'.$qNumber];
                         $qType = $survey['questionType'.$qNumber];
+                        if (isset($survey['questionID'.$qNumber]))
+                                $qID = $survey['questionID'.$qNumber];
+                        else
+                                $qID = md5( uniqid(rand(), true) );
                         
                         $qAnswers = array();
@@ -57 +56 @@
                         }
                         
-                        $this->surveyRDFWriter->addQuestion($qTitle,$qDescription,$qType,$qAnswers);
+                        $this->surveyRDFWriter->addQuestion($qTitle,$qDescription,$qType,$qID,$qAnswers);
                         
                         $qNumber++;
@@ -77 +76 @@
                 for($qNumber = 1;$qNumber<=sizeof($resultSurvey[1][0]);$qNumber++)
                 {
+                        $surveyInfo['questionID'.$qNumber] = substr($resultSurvey[1][3][$qNumber-1]['?questionID'],9,strlen($resultSurvey[1][3][$qNumber-1]['?questionID'])-11);
                         $surveyInfo['questionTitle'.$qNumber] = substr($resultSurvey[1][0][$qNumber-1]['?questionTitle'],9,strlen($resultSurvey[1][0][$qNumber-1]['?questionTitle'])-11);
                         $surveyInfo['questionDescription'.$qNumber] = substr($resultSurvey[1][1][$qNumber-1]['?questionDescription'],9,strlen($resultSurvey[1][1][$qNumber-1]['?questionDescription'])-11);
                         $surveyInfo['questionType'.$qNumber] = substr($resultSurvey[1][2][$qNumber-1]['?questionType'],9,strlen($resultSurvey[1][2][$qNumber-1]['?questionType'])-11);
-                        $questionID = substr($resultSurvey[1][3][$qNumber-1]['?questionID'],9,strlen($resultSurvey[1][3][$qNumber-1]['?questionID'])-11);
-                        
-                        $resultAnswers = $this->surveyRDFReader->readSurveyAnswers($questionID);
+                                                
+                        $resultAnswers = $this->surveyRDFReader->readSurveyAnswers($surveyInfo['questionID'.$qNumber]);
                                                 
                         if ($resultAnswers != null)
@@ -92 +91 @@
                         }
                 }
-                                
+                
                 return $surveyInfo;
         }
 
+        public function getExistingSurveys()
+        {
+                $surveyIDs = array();
+                $surveys = array();
+        
+                if($handle = opendir('surveys/'))
+                {
+                        while (false !== ($file = readdir($handle))) {
+                                if(strstr($file, 'survey_'))
+                                        $surveyIDs[] = substr($file,0,strlen($file)-4);
+                        }
+                }
+                
+                foreach($surveyIDs as $surveyID)
+                {
+                        $surveyTitle = $this->surveyRDFReader->getSurveyTitleByID($surveyID);
+                        $surveys[$surveyID] = substr($surveyTitle[0]['?title'],9,strlen($surveyTitle[0]['?title'])-11);
+                }
+                
+                return $surveys;
+        }
 }
 ?>

Dev/trunk/classes/SurveyRDFReader.php

@@ -148 +148 @@
                 return $result;
         }
+        
+        public function getSurveyTitleByID($surveyID)
+        {
+                echo $surveyID.'<br/>';
+                
+        // Create empty MemModel
+                $factory = new ModelFactory();
+                $tempmodel= $factory->getDefaultModel();
+                $tempmodel->load('surveys/'.$surveyID.'.rdf');
+                
+                $querystring = '
+                        PREFIX  predicates: <' . SURVEYTOOL_PREDICATES_NAMESPACE . '>
+                        PREFIX  resources: <' . SURVEYTOOL_RESOURCES_NAMESPACE . '>
+                        SELECT  ?title 
+                        WHERE   
+                        {
+                                _survey         predicates:resource_type        resources:survey ;
+                                                        predicates:title                        ?title  
+                        }';
+                        
+                $result = $tempmodel->sparqlQuery($querystring);
+                                
+                return $result;
+        }
 }
 

Dev/trunk/classes/SurveyRDFWriter.php

@@ -44 +44 @@
         }
         
-        public function addQuestion($qTitle,$qDescription,$qType,$qAnswers)
+        public function addQuestion($qTitle,$qDescription,$qType,$qID,$qAnswers)
         {
-                $questionID = md5( uniqid(rand(), true) );
+                $questionID = $qID;
                 $resourceQuestion = new Resource(QUESTION.'/'.$questionID);
                                 

Dev/trunk/rdfConstants.php

@@ -6 +6 @@
 define('SURVEYTOOL_RESOURCES_NAMESPACE',SURVEYTOOL_NAMESPACE . 'resources/');
 define('SURVEYTOOL_PREDICATES_NAMESPACE',SURVEYTOOL_NAMESPACE . 'predicates/');
-define('SURVEYTOOL_QTYPES_NAMESPACE',SURVEYTOOL_NAMESPACE . 'qtypes/');
 
 // Resource used for RDF triples
 define('SURVEY',SURVEYTOOL_RESOURCES_NAMESPACE . 'survey');
-define('PERSON',SURVEYTOOL_RESOURCES_NAMESPACE . 'person');
 define('QUESTION',SURVEYTOOL_RESOURCES_NAMESPACE . 'question');
 define('ANSWER',SURVEYTOOL_RESOURCES_NAMESPACE . 'answer');
-define('QUESTION_TYPE',SURVEYTOOL_RESOURCES_NAMESPACE . 'question_type');
+define('USER',SURVEYTOOL_RESOURCES_NAMESPACE . 'user');
 
 // Predicates used for RDF triples
 define('UID',SURVEYTOOL_PREDICATES_NAMESPACE . 'uid');
 define('CREATOR',SURVEYTOOL_PREDICATES_NAMESPACE . 'creator');
+define('NAME',SURVEYTOOL_PREDICATES_NAMESPACE . 'name');
 define('TITLE',SURVEYTOOL_PREDICATES_NAMESPACE . 'title');
 define('DESCRIPTION',SURVEYTOOL_PREDICATES_NAMESPACE . 'description');
@@ -27 +26 @@
 define('SCALE',SURVEYTOOL_PREDICATES_NAMESPACE . 'scale');
 define('ANSWERED',SURVEYTOOL_PREDICATES_NAMESPACE . 'answered');
-
-// Arry with types of survey questions
-$questionTypes = array(
-    'SHORT_TEXT'=> SURVEYTOOL_QTYPES_NAMESPACE . 'short_text',
-    'LONG_TEXT' => SURVEYTOOL_QTYPES_NAMESPACE . 'long_text'
-);
+define('RESPONDENT',SURVEYTOOL_PREDICATES_NAMESPACE . 'respondent');
 
 ?>