Merge branch 'issue501_unbind_global' into issue498_global_export

db/postgresql/issue501_unbind_global.sql

+drop function if exists public.internalunbindstudent(pdisciplineid integer, precordbookid integer);
+CREATE OR REPLACE FUNCTION public.internalunbindstudent(pdisciplineid integer, precordbookid integer)
+    RETURNS integer
+    LANGUAGE plpgsql
+AS $function$
+BEGIN
+    -- bind  student
+    INSERT INTO disciplines_students (DisciplineID, recordbookid, "type") VALUES (pDisciplineID, precordbookid, 'detach')
+    ON conflict ON CONSTRAINT disciplines_students_recordbookid_disciplineid_key
+        DO UPDATE set "type" = 'detach';
+    return 1;
+EXCEPTION
+    when others then RETURN -1;
+END
+$function$;
+
+drop function if exists public.InternalUnbindAll(pdisciplineid integer);
+CREATE OR REPLACE FUNCTION public.InternalUnbindAll(pdisciplineid integer)
+    RETURNS integer
+    LANGUAGE plpgsql
+AS $function$
+BEGIN
+    -- unbind all previously bound
+    --INSERT INTO disciplines_students (disciplineid, recordbookid, "type")
+--    select disciplines.id,
+--           record_books.id,
+--           'detach' as "type"
+--           from disciplines
+--           join disciplines_students on disciplines.id = disciplines_students.disciplineid and disciplines_students.type = 'attach'
+--           join record_books on record_books.id = disciplines_students.recordbookid
+--           where disciplines.id = pdisciplineid
+--	    ON conflict ON CONSTRAINT disciplines_students_recordbookid_disciplineid_key
+--       DO UPDATE set "type" = 'detach';
+    delete FROM disciplines_students
+    where id in (select disciplines_students.id
+                 from disciplines
+                          join disciplines_students on disciplines.id = disciplines_students.disciplineid and disciplines_students.type = 'attach'
+                          join record_books on record_books.id = disciplines_students.recordbookid
+                 where disciplines.id = pdisciplineid);
+
+    return 1;
+EXCEPTION
+    when others then RETURN -1;
+END
+$function$;

~dev_rating/application/classes/Controller/Api/V0/GlobalDiscipline.php

@@ -103,6 +103,8 @@ class Controller_Api_V0_GlobalDiscipline extends Controller_Handler_Api
             }
 
         if ($disciplineID) {
+            $disc = Model_Discipline::load($disciplineID);
+            $disc->unbindAll();
             foreach ($groupData->students as &$studentData) {
                 try {
                     $recordBook = Model_RecordBook::withExternalID($studentData->id);

~dev_rating/application/classes/Model/Discipline.php

@@ -152,6 +152,13 @@ class Model_Discipline extends Model_Container
             ->execute();
     }
 
+    public function unbindAll() {
+        $sql = 'SELECT * FROM InternalUnbindAll(:id)';
+        DB::query(Database::SELECT, $sql)
+            ->param(':id', $this->ID)
+            ->execute();
+    }
+
     public function bind(Model_Teacher $teacher) {
         if ($this->ID == $teacher->ID)
             return;