ADD: attach disciplines without teachers to first dean #316

db/postgresql/issue316_discipline_noteachers.sql

+drop function if exists public.faculty_getdeans(pfacultyid integer);
+CREATE OR REPLACE FUNCTION public.faculty_getdeans(pfacultyid integer)
+ RETURNS TABLE("FullName" character varying, "AccountID" integer, "TeacherID" integer)
+ LANGUAGE plpgsql
+AS $function$
+begin
+  return query
+  select GetUserFullNameByAccountID(accounts.ID) as "FullName",
+         accounts.id as "AccountID",
+         teachers.id as "TeacherID"
+  from accounts
+  join teachers on teachers.accountid = accounts.id
+  where teachers.facultyid = pfacultyid and accounts.userroleid = 4;
+END;
+$function$;
+

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

@@ -19,9 +19,9 @@ class Controller_Api_V0_StudyPlan extends Controller_Handler_Api
             }
         }
 
-        if (empty($disciplineData->teacherIDs)) {
-            throw new InvalidArgumentException('Discipline without teachers');
-        }
+        //if (empty($disciplineData->teacherIDs)) {
+        //    throw new InvalidArgumentException('Discipline without teachers');
+        //}
 
         switch ($disciplineData->type) {
             case 'Экзамен':
@@ -59,7 +59,8 @@ class Controller_Api_V0_StudyPlan extends Controller_Handler_Api
             }
         } else {
             if (empty($disciplineData->teacherIDs)) {
-                throw new InvalidArgumentException('Cannot create discipline without teachers');
+                // throw new InvalidArgumentException('Cannot create discipline without teachers');
+                $disciplineData->teacherIDs[0] = Model_Faculty::with($facultyID)->getDefaultTeacher();
             }
 
             $discipline = Model_Discipline::make()

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

@@ -110,6 +110,17 @@ class Model_Faculty extends Model
             ->execute()->as_array();
     }
 
+    public function getDefaultTeacher() {
+        $sql = 'SELECT * FROM faculty_getdeans(:faculty)';
+        $deans = DB::query(Database::SELECT, $sql)
+            ->param(':faculty', $this->ID)
+            ->execute()->as_array();
+        if (sizeof($deans) === 0) {
+            throw new InvalidArgumentException('Faculty has no deans!');
+        }
+        return $deans[0]["TeacherID"];
+    }
+
 
     // todo: implement json_serialize
 }