Issue #200, ToDo: check constraint when delete student

sails/roles/database/files/pictodb-schema.sql

@@ -451,6 +451,12 @@ CREATE TABLE IF NOT EXISTS `scene` (
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci AUTO_INCREMENT=1
 COMMENT="Scene table information. Every scene is related to some stu_pictos";
 
+CREATE TABLE IF NOT EXISTS `scene_aux`(
+  `id_stu` int(11) NOT NULL,
+  `id_scene` int(11) NOT NULL
+) ENGINE=MEMORY DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci
+COMMENT="Aux table to use with triggers-enrolments-integrity-constraints when create a new student";
+
 -- CREATE INDEX ix_ws_begin ON working_session (`begin`);
 --
 -- Restricciones para tablas volcadas

sails/roles/database/files/scene_adapt.sql

@@ -43,11 +43,13 @@ BEGIN
     END IF;
 
     /* FIRST SCENE, ACTIVE, WITH CATEGORIES*/
-    INSERT INTO `scene` (name, active, categories, id_stu)
-    VALUES ('with_categories', _cat_active, 1,  _id_stu);
+    INSERT INTO `scene` (name, categories, id_stu)
+    VALUES ('with_categories', _cat_active, _id_stu);
 
     SET LID = LAST_INSERT_ID();
 
+    UPDATE student SET attributes = JSON_SET(attributes, "$.id_active_scene",LID) WHERE id=_id_stu;
+
     UPDATE `stu_picto`
     SET `id_scene` = LID
     WHERE `id_stu` = _id_stu
@@ -55,8 +57,8 @@ BEGIN
       AND attributes->"$.free_category_coord_y" IS NULL;
 
     /* SECOND SCENE, NOT ACTIVE, NO CATEGORIES*/
-    INSERT INTO `scene` (name, active, categories, id_sup, id_stu)
-    VALUES ('no_categories', NOT _cat_active, 0, _id_sup, _id_stu);
+    INSERT INTO `scene` (name, categories, id_sup, id_stu)
+    VALUES ('no_categories', NOT _cat_active, _id_sup, _id_stu);
 
     SET LID = LAST_INSERT_ID();
 

sails/roles/database/files/triggers-enrolments-integrity-constraints.sql

@@ -49,13 +49,36 @@ thisTrigger: BEGIN
 	    LEAVE thisTrigger;
 	END IF;
 
-
   -- Load core collection for student
 	INSERT INTO scene (id_stu,id_sup,name,categories) VALUES (new.id, null, 'with_categories', TRUE);
   SET LID = LAST_INSERT_ID();
   CALL scene_create_core(LID,new.id);
-  UPDATE student SET attributes = JSON_SET(attributes, "$.id_active_scene",@LID);
+  INSERT INTO scene_aux (id_stu,id_scene) VALUES (new.id, LID);
+END;;
+
+DROP PROCEDURE IF EXISTS NEW_STUDENT_AUX;
+CREATE PROCEDURE NEW_STUDENT_AUX()
+BEGIN
+  DECLARE _id_stu INT;
+  DECLARE _id_scene INT;
+  DECLARE done INT DEFAULT FALSE;
+  DECLARE aux CURSOR FOR SELECT * FROM pictodb.scene_aux;
+  DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE;
+
+  OPEN aux;
+  read_loop: LOOP
+
+    FETCH aux INTO _id_stu, _id_scene;
+
+    IF done THEN
+      LEAVE read_loop;
+    END IF;
+
+    UPDATE student SET attributes = JSON_SET(attributes, '$.id_active_scene',_id_scene) WHERE id=_id_stu;
 
+  END LOOP;
+  CLOSE aux;
+  DELETE FROM scene_aux;
 END;;
 
 -- Procedure to add core when new scene is created

sails/src/CHANGES.md

@@ -18,9 +18,20 @@ Changes to be performed manually in servers to upgrade
 - Alter table scene to add ON DELETE CASCADE constraint
   `ALTER TABLE `scene` ADD CONSTRAINT `stu_scene_fk` FOREIGN KEY (`id_stu`) REFERENCES `student` (`id`) ON DELETE CASCADE;`
 
+- Create aux table for scene
+   `CREATE TABLE IF NOT EXISTS `scene_aux`(
+     `id_stu` int(11) NOT NULL,
+     `id_scene` int(11) NOT NULL
+   ) ENGINE=MEMORY DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci
+   COMMENT="Aux table to use with triggers-enrolments-integrity-constraints when create a new student";`
+
 - Reload enrolments trigger
   `source /vagrant/roles/database/files/triggers-enrolments-integrity-constraints.sql;`
 
+To Do only in PRE:
+- Load scene_adapt
+  `source /vagrant/roles/database/files/scene_adapt.sql`
+
 (already done in dev)
 
 - update arasaac uri

sails/src/api/controllers/SceneController.js

@@ -22,7 +22,7 @@ module.exports = {
           student: params.id_stu
       }).then(scene=>{
           if(scene.categories){
-            Scene.query('CALL sceneº_create_core(?,?) ',[scene.id, scene.student], function(err, result) {
+            Scene.query('CALL scene_create_core(?,?) ',[scene.id, scene.student], function(err, result) {
                 // if (err) {
                 //     return res.serverError("Could not call stored procedure create scene picto core "+err);
                 // } else {

sails/src/api/controllers/StudentController.js

@@ -187,6 +187,9 @@ module.exports = {
 
       Student.create(params)
       .then(function(created) {
+        Scene.query('CALL NEW_STUDENT_AUX() ',[], function(err, result) {
+
+        });
         sails.log.debug('Student ' + created.id + ' created: ' + JSON.stringify(created));
         License.activate(params.license_number, created.id, function(err, license) {
           if (err)
@@ -827,7 +830,7 @@ module.exports = {
       if (typeof req.params.id_stu == 'undefined' || !req.params.id_stu)
         return res.badRequest("id_stu not defined");
       Student.findOne({id:req.params.id_stu}).then(function(student){
-        Scene.findOne({id: student.id_active_scene})
+        Scene.findOne({id: student.attributes.id_active_scene})
         .then(function(scene){
             if(!scene)
                 return res.badRequest("Scene not found");
@@ -880,7 +883,7 @@ module.exports = {
   getScenes: function(req, res){
       if (typeof req.params.id_stu == 'undefined' || !req.params.id_stu)
         return res.badRequest("id_stu not defined");
-        Student.findOne({id:params.id_stu})
+        Student.findOne({id:req.params.id_stu})
         .then(student => {
           Scene.find({student: req.params.id_stu})
           .then(function(scenes){

sails/src/assets/scripts/modules/student/controllers/collections.js

@@ -296,7 +296,7 @@ dashboardControllers.controller('StudentCollectionsCtrl', function StudentCollec
   // Activate student scene
   $scope.activate_scene = function (scene) {
 
-      $http.put(config.backend + '/stu/' + $scope.studentData.id + '/activeScene/' + scene.id, {})
+      $http.put(config.backend + '/stu/' + $scope.studentData.id + '/activeScene/' + scene.id, {id_scene:scene.id})
       .success(function () {
         var data= {
           id: scene.id};