Finalized every mod check

diff --git a/backup/STATUS.txt b/backup/STATUS.txt
index 9dff24375d0b1303f515d265f9fdf24ce34a3277..ec0656e5ce7962d0ca8744127ab2eb1e00626c5a 100644 (file)
--- a/backup/STATUS.txt
+++ b/backup/STATUS.txt
@@ -58,7 +58,7 @@ Backup Details:
                  + course data..................................NO EXISTS
                  + user data....................................NO EXISTS
                  + files........................................NO EXISTS
-              x quizzes.........................................NO EXISTS
+              x quizzes.........................................IN PROGRESS
                  + course data..................................NO EXISTS
                  + user data....................................NO EXISTS
                  + files........................................NO EXISTS

diff --git a/backup/mod/quiz/backuplib.php b/backup/mod/quiz/backuplib.php
new file mode 100644 (file)
index 0000000..e67e439
--- /dev/null
+++ b/backup/mod/quiz/backuplib.php
@@ -0,0 +1,142 @@
+<?PHP //$Id$
+    //This php script contains all the stuff to backup/restore
+    //quiz mods
+
+   //To see, put your terminal to 132cc
+
+    //This is the "graphical" structure of the quiz mod:
+    //
+    //                           quiz                                                      quiz_categories
+    //                        (CL,pk->id)                                                   (CL,pk->id)
+    //                            |                                                              |
+    //             -----------------------------------------------                               |
+    //             |                        |                    |                               |
+    //             |                        |                    |                               |
+    //             |                        |                    |                               |
+    //        quiz_attemps           quiz_grades         quiz_question_grades                    |
+    //   (UL,pk->id, fk->quiz)   (UL,pk->id,fk->quiz)    (UL,pk->id,fk->quiz)                    |
+    //             |                                              |                              |
+    //             |                                              |                              |
+    //             |                                              |                              |
+    //       quiz_responses                                       |                        quiz_questions     
+    //  (UL,pk->id, fk->attempt)----------------------------------------------------(CL,pk->id,fk->category,files)
+    //                                                                                           |
+    //                                                                                           |
+    //                                                                                           |
+    //             ------------------------------------------------------------------------------------------------------
+    //             |                         |                        |                |    
+    //             |                         |                        |                |
+    //             |                         |                        |                |           quiz_randomsamatch
+    //       quiz_truefalse           quiz_shortanswer         quiz_multichoice        |---------(CL,pl->id,fk->question)
+    //  (CL,pl->id,fk->question)  (CL,pl->id,fk->question)  (CL,pl->id,fk->question)   |
+    //             .                         .                        .                |
+    //             .                         .                        .                |
+    //             .                         .                        .                |               quiz_match
+    //             ....................................................                |---------(CL,pl->id,fk->question)
+    //                                       .                                         |                    .
+    //                                       .                                         |                    .
+    //                                       .                                         |                    .
+    //                                    quiz_answers                                 |              quiz_match_sub
+    //                             (CL,pk->id,fk->question)----------------------------|---------(CL,pl->id,fk->question) 
+    // 
+    // Meaning: pk->primary key field of the table
+    //          fk->foreign key to link with parent
+    //          nt->nested field (recursive data)
+    //          CL->course level info
+    //          UL->user level info
+    //          files->table may have files
+    //
+    //-----------------------------------------------------------
+
+    function quiz_backup_mods() {
+        print "hola";
+    }
+
+   ////Return an array of info (name,value)
+   function quiz_check_backup_mods($course,$user_data=false) {
+        //First the course data
+        $info[0][0] = get_string("modulenameplural","quiz");
+        if ($ids = quiz_ids ($course)) {
+            $info[0][1] = count($ids);
+        } else {
+            $info[0][1] = 0;
+        }
+        //Categories
+        $info[1][0] = get_string("categories","quiz");
+        if ($ids = quiz_category_ids_by_course ($course)) {
+            $info[1][1] = count($ids);
+        } else {
+            $info[1][1] = 0;
+        }
+        //Questions
+        $info[2][0] = get_string("questions","quiz");
+        if ($ids = quiz_question_ids_by_course ($course)) {
+            $info[2][1] = count($ids);
+        } else {
+            $info[2][1] = 0;
+        }
+
+        //Now, if requested, the user_data
+        if ($user_data) {
+            //Grades 
+            $info[3][0] = get_string("grades","quiz"); 
+            if ($ids = quiz_grade_ids_by_course ($course)) { 
+                $info[3][1] = count($ids);
+            } else {
+                $info[3][1] = 0;
+            }
+        }
+
+        return $info;
+    }
+
+
+
+
+
+
+    // INTERNAL FUNCTIONS. BASED IN THE MOD STRUCTURE
+
+    //Returns an array of quiz id
+    function quiz_ids ($course) {
+
+        global $CFG;
+
+        return get_records_sql ("SELECT a.id, a.course
+                                 FROM {$CFG->prefix}quiz a
+                                 WHERE a.course = '$course'");
+    }
+
+    //Returns an array of categories id
+    function quiz_category_ids_by_course ($course) {
+
+        global $CFG;
+
+        return get_records_sql ("SELECT a.id, a.course
+                                 FROM {$CFG->prefix}quiz_categories a
+                                 WHERE a.course = '$course'");
+    }
+
+    function quiz_question_ids_by_course ($course) {
+
+        global $CFG;
+
+        return get_records_sql ("SELECT q.id, q.category
+                                 FROM {$CFG->prefix}quiz_categories a,
+                                      {$CFG->prefix}quiz_questions q
+                                 WHERE a.course = '$course' and
+                                       q.category = a.id");
+    }
+
+    function quiz_grade_ids_by_course ($course) {
+
+        global $CFG;
+
+        return get_records_sql ("SELECT g.id, g.quiz 
+                                 FROM {$CFG->prefix}quiz a,
+                                      {$CFG->prefix}quiz_grades g
+                                 WHERE a.course = '$course' and
+                                       g.quiz = a.id");
+    }
+
+?>