Begin implementation of the orm

orm/Makefile

@@ -0,0 +1,8 @@
+PHONY: all
+
+test:
+	docker-compose -f "compose/docker-compose.yml" down -v
+	docker-compose -f "compose/docker-compose.yml" up -d
+	go test
+
+all: test

orm/compose/db.env

@@ -0,0 +1,10 @@
+MYSQL_ROOT_PASSWORD=karmen
+MYSQL_PASSWORD=karmen
+MYSQL_DATABASE=karmen_test
+MYSQL_USER=karmen
+
+
+
+
+
+

orm/compose/docker-compose.yml

@@ -0,0 +1,21 @@
+version: "3.3"
+
+services:
+
+  db:
+    image: mariadb
+    container_name: karmen_test_orm_db
+    command: --transaction-isolation=READ-COMMITTED --binlog-format=ROW
+    ports:
+      - 3306:3306
+    volumes:
+      - db:/var/lib/mysql
+      - ./sql:/docker-entrypoint-initdb.d
+    env_file:
+      - db.env
+      
+volumes:
+  db:
+  
+
+      

orm/compose/sql/karmen_test.sql

@@ -0,0 +1,441 @@
+-- MySQL dump 10.16  Distrib 10.3.9-MariaDB, for debian-linux-gnu (x86_64)
+--
+-- Host: localhost    Database: karmen_dev
+-- ------------------------------------------------------
+-- Server version	10.3.9-MariaDB-1:10.3.9+maria~bionic
+
+/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
+/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
+/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
+/*!40101 SET NAMES utf8 */;
+/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;
+/*!40103 SET TIME_ZONE='+00:00' */;
+/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
+/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
+/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
+/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
+
+--
+-- Table structure for table `activities`
+--
+
+DROP TABLE IF EXISTS `activities`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `activities` (
+  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
+  `created_at` timestamp NULL DEFAULT NULL,
+  `updated_at` timestamp NULL DEFAULT NULL,
+  `deleted_at` timestamp NULL DEFAULT NULL,
+  `name` varchar(255) DEFAULT NULL,
+  `class_id` int(10) unsigned DEFAULT NULL,
+  `teacher_id` int(10) unsigned DEFAULT NULL,
+  `subject_id` int(10) unsigned DEFAULT NULL,
+  `hours` int(11) DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  KEY `idx_activities_deleted_at` (`deleted_at`)
+) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=latin1;
+/*!40101 SET character_set_client = @saved_cs_client */;
+
+--
+-- Dumping data for table `activities`
+--
+
+LOCK TABLES `activities` WRITE;
+/*!40000 ALTER TABLE `activities` DISABLE KEYS */;
+INSERT INTO `activities` VALUES (1,'2018-08-24 17:17:22','2018-08-24 17:17:22',NULL,'1 A MATEMATICA 2h',1,1,1,2),(2,'2018-08-24 17:18:01','2018-08-24 17:18:01',NULL,'1 A INGLESE 2h',1,2,3,2),(3,'2018-08-24 17:18:26','2018-08-24 17:18:26',NULL,'1 A ITALIANO 5h',1,3,2,5),(4,'2018-08-24 17:23:58','2018-08-24 17:23:58',NULL,'1 A STORIA DELL\'ARTE 2h',1,5,4,2),(5,'2018-08-24 17:24:20','2018-08-24 17:24:20',NULL,'1 A TECNOLOGIA 2h',1,4,9,2),(6,'2018-08-24 17:24:41','2018-08-24 17:24:41',NULL,'1 A FRANCESE 2h',1,7,7,2),(7,'2018-08-24 17:25:13','2018-08-24 17:25:13',NULL,'1 A RELIGIONE 2h',1,9,6,2),(8,'2018-08-24 17:25:44','2018-08-24 17:25:44',NULL,'1 A STORIA 2h',1,6,8,2),(9,'2018-08-24 17:26:15','2018-08-24 17:26:15',NULL,'1 A SCIENZE 2h',1,8,5,2);
+/*!40000 ALTER TABLE `activities` ENABLE KEYS */;
+UNLOCK TABLES;
+
+--
+-- Table structure for table `administratives`
+--
+
+DROP TABLE IF EXISTS `administratives`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `administratives` (
+  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
+  `created_at` timestamp NULL DEFAULT NULL,
+  `updated_at` timestamp NULL DEFAULT NULL,
+  `deleted_at` timestamp NULL DEFAULT NULL,
+  `name` varchar(255) DEFAULT NULL,
+  `surname` varchar(255) DEFAULT NULL,
+  `username` varchar(255) DEFAULT NULL,
+  `password` varchar(255) DEFAULT NULL,
+  `email` varchar(255) DEFAULT NULL,
+  `telephone_number` varchar(255) DEFAULT NULL,
+  `role` int(11) DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  KEY `idx_administratives_deleted_at` (`deleted_at`)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+/*!40101 SET character_set_client = @saved_cs_client */;
+
+--
+-- Dumping data for table `administratives`
+--
+
+LOCK TABLES `administratives` WRITE;
+/*!40000 ALTER TABLE `administratives` DISABLE KEYS */;
+/*!40000 ALTER TABLE `administratives` ENABLE KEYS */;
+UNLOCK TABLES;
+
+--
+-- Table structure for table `classes`
+--
+
+DROP TABLE IF EXISTS `classes`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `classes` (
+  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
+  `created_at` timestamp NULL DEFAULT NULL,
+  `updated_at` timestamp NULL DEFAULT NULL,
+  `deleted_at` timestamp NULL DEFAULT NULL,
+  `name` varchar(255) DEFAULT NULL,
+  `coordinator_id` int(10) unsigned DEFAULT NULL,
+  `minuter_id` int(10) unsigned DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  KEY `idx_classes_deleted_at` (`deleted_at`)
+) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1;
+/*!40101 SET character_set_client = @saved_cs_client */;
+
+--
+-- Dumping data for table `classes`
+--
+
+LOCK TABLES `classes` WRITE;
+/*!40000 ALTER TABLE `classes` DISABLE KEYS */;
+INSERT INTO `classes` VALUES (1,'2018-08-24 17:11:29','2018-08-24 17:26:35',NULL,'1 A',3,2),(2,'2018-08-24 17:12:43','2018-08-24 17:12:43','2018-08-24 17:17:01','1 A',1,2);
+/*!40000 ALTER TABLE `classes` ENABLE KEYS */;
+UNLOCK TABLES;
+
+--
+-- Table structure for table `department_teachers`
+--
+
+DROP TABLE IF EXISTS `department_teachers`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `department_teachers` (
+  `department_id` int(10) unsigned NOT NULL,
+  `teacher_id` int(10) unsigned NOT NULL,
+  PRIMARY KEY (`department_id`,`teacher_id`)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+/*!40101 SET character_set_client = @saved_cs_client */;
+
+--
+-- Dumping data for table `department_teachers`
+--
+
+LOCK TABLES `department_teachers` WRITE;
+/*!40000 ALTER TABLE `department_teachers` DISABLE KEYS */;
+/*!40000 ALTER TABLE `department_teachers` ENABLE KEYS */;
+UNLOCK TABLES;
+
+--
+-- Table structure for table `departments`
+--
+
+DROP TABLE IF EXISTS `departments`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `departments` (
+  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
+  `created_at` timestamp NULL DEFAULT NULL,
+  `updated_at` timestamp NULL DEFAULT NULL,
+  `deleted_at` timestamp NULL DEFAULT NULL,
+  `name` varchar(255) DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  KEY `idx_departments_deleted_at` (`deleted_at`)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+/*!40101 SET character_set_client = @saved_cs_client */;
+
+--
+-- Dumping data for table `departments`
+--
+
+LOCK TABLES `departments` WRITE;
+/*!40000 ALTER TABLE `departments` DISABLE KEYS */;
+/*!40000 ALTER TABLE `departments` ENABLE KEYS */;
+UNLOCK TABLES;
+
+--
+-- Table structure for table `directors`
+--
+
+DROP TABLE IF EXISTS `directors`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `directors` (
+  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
+  `created_at` timestamp NULL DEFAULT NULL,
+  `updated_at` timestamp NULL DEFAULT NULL,
+  `deleted_at` timestamp NULL DEFAULT NULL,
+  `name` varchar(255) DEFAULT NULL,
+  `surname` varchar(255) DEFAULT NULL,
+  `username` varchar(255) DEFAULT NULL,
+  `password` varchar(255) DEFAULT NULL,
+  `email` varchar(255) DEFAULT NULL,
+  `telephone_number` varchar(255) DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  KEY `idx_directors_deleted_at` (`deleted_at`)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+/*!40101 SET character_set_client = @saved_cs_client */;
+
+--
+-- Dumping data for table `directors`
+--
+
+LOCK TABLES `directors` WRITE;
+/*!40000 ALTER TABLE `directors` DISABLE KEYS */;
+/*!40000 ALTER TABLE `directors` ENABLE KEYS */;
+UNLOCK TABLES;
+
+--
+-- Table structure for table `issues`
+--
+
+DROP TABLE IF EXISTS `issues`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `issues` (
+  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
+  `created_at` timestamp NULL DEFAULT NULL,
+  `updated_at` timestamp NULL DEFAULT NULL,
+  `deleted_at` timestamp NULL DEFAULT NULL,
+  `description` varchar(255) DEFAULT NULL,
+  `type` int(10) unsigned DEFAULT NULL,
+  `reported` tinyint(1) DEFAULT NULL,
+  `teacher_id` int(10) unsigned DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  KEY `idx_issues_deleted_at` (`deleted_at`)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+/*!40101 SET character_set_client = @saved_cs_client */;
+
+--
+-- Dumping data for table `issues`
+--
+
+LOCK TABLES `issues` WRITE;
+/*!40000 ALTER TABLE `issues` DISABLE KEYS */;
+/*!40000 ALTER TABLE `issues` ENABLE KEYS */;
+UNLOCK TABLES;
+
+--
+-- Table structure for table `schools`
+--
+
+DROP TABLE IF EXISTS `schools`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `schools` (
+  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
+  `created_at` timestamp NULL DEFAULT NULL,
+  `updated_at` timestamp NULL DEFAULT NULL,
+  `deleted_at` timestamp NULL DEFAULT NULL,
+  `name` varchar(255) DEFAULT NULL,
+  `address` varchar(255) DEFAULT NULL,
+  `domain` varchar(255) DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  KEY `idx_schools_deleted_at` (`deleted_at`)
+) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=latin1;
+/*!40101 SET character_set_client = @saved_cs_client */;
+
+--
+-- Dumping data for table `schools`
+--
+
+LOCK TABLES `schools` WRITE;
+/*!40000 ALTER TABLE `schools` DISABLE KEYS */;
+INSERT INTO `schools` VALUES (1,'2018-08-24 17:19:56','2018-08-24 17:19:56',NULL,'Scuola media inferiore \"Leonardo da Vinci\"','via Castroneria 4, Perlizzi (TN)','scuolamediadavinci.gov.it');
+/*!40000 ALTER TABLE `schools` ENABLE KEYS */;
+UNLOCK TABLES;
+
+--
+-- Table structure for table `students`
+--
+
+DROP TABLE IF EXISTS `students`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `students` (
+  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
+  `created_at` timestamp NULL DEFAULT NULL,
+  `updated_at` timestamp NULL DEFAULT NULL,
+  `deleted_at` timestamp NULL DEFAULT NULL,
+  `name` varchar(255) DEFAULT NULL,
+  `surname` varchar(255) DEFAULT NULL,
+  `username` varchar(255) DEFAULT NULL,
+  `password` varchar(255) DEFAULT NULL,
+  `email` varchar(255) DEFAULT NULL,
+  `telephone_number` varchar(255) DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  KEY `idx_students_deleted_at` (`deleted_at`)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+/*!40101 SET character_set_client = @saved_cs_client */;
+
+--
+-- Dumping data for table `students`
+--
+
+LOCK TABLES `students` WRITE;
+/*!40000 ALTER TABLE `students` DISABLE KEYS */;
+/*!40000 ALTER TABLE `students` ENABLE KEYS */;
+UNLOCK TABLES;
+
+--
+-- Table structure for table `subjects`
+--
+
+DROP TABLE IF EXISTS `subjects`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `subjects` (
+  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
+  `created_at` timestamp NULL DEFAULT NULL,
+  `updated_at` timestamp NULL DEFAULT NULL,
+  `deleted_at` timestamp NULL DEFAULT NULL,
+  `name` varchar(255) DEFAULT NULL,
+  `department_id` int(10) unsigned DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  KEY `idx_subjects_deleted_at` (`deleted_at`)
+) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=latin1;
+/*!40101 SET character_set_client = @saved_cs_client */;
+
+--
+-- Dumping data for table `subjects`
+--
+
+LOCK TABLES `subjects` WRITE;
+/*!40000 ALTER TABLE `subjects` DISABLE KEYS */;
+INSERT INTO `subjects` VALUES (1,'2018-08-24 17:09:21','2018-08-24 17:09:21',NULL,'MATEMATICA',0),(2,'2018-08-24 17:09:35','2018-08-24 17:09:35',NULL,'ITALIANO',0),(3,'2018-08-24 17:09:44','2018-08-24 17:09:44',NULL,'INGLESE',0),(4,'2018-08-24 17:21:29','2018-08-24 17:21:29',NULL,'STORIA DELL\'ARTE',0),(5,'2018-08-24 17:21:44','2018-08-24 17:21:44',NULL,'SCIENZE',0),(6,'2018-08-24 17:21:59','2018-08-24 17:21:59',NULL,'RELIGIONE',0),(7,'2018-08-24 17:22:31','2018-08-24 17:22:31',NULL,'FRANCESE',0),(8,'2018-08-24 17:23:19','2018-08-24 17:23:19',NULL,'STORIA',0),(9,'2018-08-24 17:23:33','2018-08-24 17:23:33',NULL,'TECNOLOGIA',0);
+/*!40000 ALTER TABLE `subjects` ENABLE KEYS */;
+UNLOCK TABLES;
+
+--
+-- Table structure for table `teacher_classes`
+--
+
+DROP TABLE IF EXISTS `teacher_classes`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `teacher_classes` (
+  `teacher_id` int(10) unsigned NOT NULL,
+  `class_id` int(10) unsigned NOT NULL,
+  PRIMARY KEY (`teacher_id`,`class_id`)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+/*!40101 SET character_set_client = @saved_cs_client */;
+
+--
+-- Dumping data for table `teacher_classes`
+--
+
+LOCK TABLES `teacher_classes` WRITE;
+/*!40000 ALTER TABLE `teacher_classes` DISABLE KEYS */;
+INSERT INTO `teacher_classes` VALUES (1,1),(2,1),(3,1),(4,1),(5,1),(6,1),(7,1),(8,1),(9,1);
+/*!40000 ALTER TABLE `teacher_classes` ENABLE KEYS */;
+UNLOCK TABLES;
+
+--
+-- Table structure for table `teacher_subjects`
+--
+
+DROP TABLE IF EXISTS `teacher_subjects`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `teacher_subjects` (
+  `subject_id` int(10) unsigned NOT NULL,
+  `teacher_id` int(10) unsigned NOT NULL,
+  PRIMARY KEY (`subject_id`,`teacher_id`)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+/*!40101 SET character_set_client = @saved_cs_client */;
+
+--
+-- Dumping data for table `teacher_subjects`
+--
+
+LOCK TABLES `teacher_subjects` WRITE;
+/*!40000 ALTER TABLE `teacher_subjects` DISABLE KEYS */;
+INSERT INTO `teacher_subjects` VALUES (1,1),(2,3),(3,2),(4,5),(5,8),(6,9),(7,7),(8,6),(9,4);
+/*!40000 ALTER TABLE `teacher_subjects` ENABLE KEYS */;
+UNLOCK TABLES;
+
+--
+-- Table structure for table `teachers`
+--
+
+DROP TABLE IF EXISTS `teachers`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `teachers` (
+  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
+  `created_at` timestamp NULL DEFAULT NULL,
+  `updated_at` timestamp NULL DEFAULT NULL,
+  `deleted_at` timestamp NULL DEFAULT NULL,
+  `name` varchar(255) DEFAULT NULL,
+  `surname` varchar(255) DEFAULT NULL,
+  `username` varchar(255) DEFAULT NULL,
+  `password` varchar(255) DEFAULT NULL,
+  `email` varchar(255) DEFAULT NULL,
+  `telephone_number` varchar(255) DEFAULT NULL,
+  `hours` int(11) DEFAULT NULL,
+  `curr_hours` int(11) DEFAULT NULL,
+  `the_boss_id` int(10) unsigned DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  KEY `idx_teachers_deleted_at` (`deleted_at`)
+) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=latin1;
+/*!40101 SET character_set_client = @saved_cs_client */;
+
+--
+-- Dumping data for table `teachers`
+--
+
+LOCK TABLES `teachers` WRITE;
+/*!40000 ALTER TABLE `teachers` DISABLE KEYS */;
+INSERT INTO `teachers` VALUES (1,'2018-08-24 17:06:38','2018-08-24 17:17:22',NULL,'Amilcare','AGOSTINO','amilcare.agostino','TpbbDZmSdjzOzEcm5797h2TXY/hzYWx0','amilcare.agostino@foo.org','',18,2,0),(2,'2018-08-24 17:06:58','2018-08-24 17:18:01',NULL,'Assuntina','DONADONI','assuntina.donadoni','Fi28Y8Q76pqz3ggoAuXvMNliew9zYWx0','assuntina.donadoni@foo.org','',18,2,0),(3,'2018-08-24 17:07:14','2018-08-24 17:18:26',NULL,'Costanza','LUNGA','costanza.lunga','//XInIkvIeMYj0+x9AsabCyA8zVzYWx0','costanza.lunga@foo.org','',18,5,0),(4,'2018-08-24 17:07:28','2018-08-24 17:24:20',NULL,'Giacomo','DEL BEN','giacomo.delben','TTdp/vYL+NjgJZTErlceSVwCa1lzYWx0','giacomo.delben@foo.org','',18,2,0),(5,'2018-08-24 17:07:51','2018-08-24 17:23:58',NULL,'Giorgio','ARISTI','giorgio.aristi','bbtj5tK+TSBKd38G/zHK6TUo0JZzYWx0','giorgio.aristi@foo.org','',18,2,0),(6,'2018-08-24 17:08:12','2018-08-24 17:25:44',NULL,'Vittoria','GIRONI','vittoria.gironi','jS5M30Y9d5JUsyXSfxU1Vz4Tmc1zYWx0','vittoria.gironi@foo.org','',18,2,0),(7,'2018-08-24 17:08:33','2018-08-24 17:24:41',NULL,'Francesco','DELLE ROSE','francesco.dellerose','9HakZF2Oh1vZy+8J/doqR1Jpr/lzYWx0','francesco.dellerose@foo.org','',18,2,0),(8,'2018-08-24 17:08:51','2018-08-24 17:26:15',NULL,'Andrea','PETRUZZELLI','andrea.petruzzelli','enbmvOYnUs/2IkttlR90h3oJC9dzYWx0','andrea.petruzzelli@foo.org','',18,2,0),(9,'2018-08-24 17:09:07','2018-08-24 17:25:13',NULL,'Piero','FRANCESCHINI','piero.franceschini','eGAGAG9etZ+rehwW0A/KRWt/7CFzYWx0','piero.franceschini@foo.org','',18,2,0);
+/*!40000 ALTER TABLE `teachers` ENABLE KEYS */;
+UNLOCK TABLES;
+
+--
+-- Table structure for table `the_bosses`
+--
+
+DROP TABLE IF EXISTS `the_bosses`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `the_bosses` (
+  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
+  `created_at` timestamp NULL DEFAULT NULL,
+  `updated_at` timestamp NULL DEFAULT NULL,
+  `deleted_at` timestamp NULL DEFAULT NULL,
+  `name` varchar(255) DEFAULT NULL,
+  `surname` varchar(255) DEFAULT NULL,
+  `username` varchar(255) DEFAULT NULL,
+  `password` varchar(255) DEFAULT NULL,
+  `email` varchar(255) DEFAULT NULL,
+  `telephone_number` varchar(255) DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  KEY `idx_the_bosses_deleted_at` (`deleted_at`)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+/*!40101 SET character_set_client = @saved_cs_client */;
+
+--
+-- Dumping data for table `the_bosses`
+--
+
+LOCK TABLES `the_bosses` WRITE;
+/*!40000 ALTER TABLE `the_bosses` DISABLE KEYS */;
+/*!40000 ALTER TABLE `the_bosses` ENABLE KEYS */;
+UNLOCK TABLES;
+/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;
+
+/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
+/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
+/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
+/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
+/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
+/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
+/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;
+
+-- Dump completed on 2018-08-24 18:49:02

orm/orm_test.go

@@ -1,67 +1,17 @@
 package orm
 
 import (
-	"strings"
 	"testing"
+	"time"
 
+	"github.com/jinzhu/gorm"
 	"github.com/remogatto/prettytest"
 )
 
-var (
-	dummy_classes     []string = []string{"1A", "1B", "2A", "2B"}
-	dummy_teachers    []string = []string{"Marco Rossi", "Gino Bianchi", "Piero Verdi", "Gaia Rossa"}
-	dummy_subjects    []string = []string{"Italiano", "Latino", "Matematica", "Fisica", "Storia dell'arte"}
-	teacher_max_hours          = 18
-)
-
 type testSuite struct {
 	prettytest.Suite
 }
 
-func createSubject(name string) {
-	if err := DB().Create(&Subject{Name: name}).Error; err != nil {
-		panic(err)
-	}
-}
-
-func createClass(name string) {
-	if err := DB().Create(&Class{Name: name}).Error; err != nil {
-		panic(err)
-	}
-}
-
-func createTeacher(name string, surname string) {
-	if err := DB().Create(&Teacher{
-		Credential: Credential{Name: name, Surname: surname},
-		Hours:      teacher_max_hours,
-	}).Error; err != nil {
-		panic(err)
-	}
-}
-
-func createDummyData() {
-
-	// Create subjects
-
-	for _, s := range dummy_subjects {
-		createSubject(s)
-	}
-
-	// Create classes
-
-	for _, c := range dummy_classes {
-		createClass(c)
-	}
-
-	// Create teachers
-
-	for _, t := range dummy_teachers {
-		splits := strings.Split(t, " ")
-		createTeacher(splits[0], splits[1])
-	}
-
-}
-
 func TestRunner(t *testing.T) {
 	prettytest.Run(
 		t,
@@ -70,380 +20,406 @@ func TestRunner(t *testing.T) {
 }
 
 func (t *testSuite) BeforeAll() {
-	db, err := New("root:password@/karmen_test?charset=utf8&parseTime=True&loc=Local")
-	if err != nil {
-		panic(err)
+	var (
+		db  *gorm.DB
+		err error
+	)
+
+	connected := false
+	for !connected {
+		time.Sleep(10 * time.Second)
+		db, err = New("karmen:karmen@/karmen_test?charset=utf8&parseTime=True&loc=Local")
+		if err != nil {
+			time.Sleep(5 * time.Second)
+			continue
+		}
+		connected = true
 	}
+
 	Use(db)
-	Reset()
 	AutoMigrate()
-
-	// Create dummy data on the DB
-
-	createDummyData()
 }
 
-func (t *testSuite) Before() {
-	var activities []Activity
-	if err := DB().Find(&activities).Error; err != nil {
-		panic(err)
-	}
-	for _, a := range activities {
-		DB().Unscoped().Delete(&a)
-	}
-
-	if err := DB().Exec("ALTER TABLE activities AUTO_INCREMENT = 1").Error; err != nil {
-		panic(err)
-	}
+func (t *testSuite) TestDB() {
+	t.Not(t.Nil(DB()))
 }
 
-func (t *testSuite) TestCredential() {
-	var teacher Teacher
-
-	teacher.Name = "John"
-	teacher.Surname = "Doe"
-
-	if err := DB().Create(&teacher).Error; err != nil {
-		panic(err)
-	}
+func (t *testSuite) TestGetTeachers() {
+	teachers, err := GetTeachers()
+	t.Nil(err)
+	t.Equal(9, len(teachers))
 
-	if err := DB().Find(&teacher).Error; err != nil {
-		panic(err)
-	}
+	teacher := teachers[0]
+	classes, err := teacher.GetClasses()
+	t.Nil(err)
+	t.Equal(1, len(classes))
+	t.Equal(1, len(teacher.Classes))
 
-	t.Equal(teacher.Username, "john.doe")
-	t.Equal(teacher.Email, "john.doe@foo.org")
-	t.Equal(teacher.Password, "RKDb/GzQw8jzfAFwiAjclA81oBtzYWx0")
+	class := classes[0]
+	t.Equal("1 A", class.Name)
 }
 
-func (t *testSuite) TestCreateUpdateActivity() {
-	var (
-		class   Class
-		subject Subject
-	)
+// func (t *testSuite) Before() {
+// 	var activities []Activity
+// 	if err := DB().Find(&activities).Error; err != nil {
+// 		panic(err)
+// 	}
+// 	for _, a := range activities {
+// 		DB().Unscoped().Delete(&a)
+// 	}
+
+// 	if err := DB().Exec("ALTER TABLE activities AUTO_INCREMENT = 1").Error; err != nil {
+// 		panic(err)
+// 	}
+// }
+
+// func (t *testSuite) TestCredential() {
+// 	var teacher Teacher
+
+// 	teacher.Name = "John"
+// 	teacher.Surname = "Doe"
+
+// 	if err := DB().Create(&teacher).Error; err != nil {
+// 		panic(err)
+// 	}
+
+// 	if err := DB().Find(&teacher).Error; err != nil {
+// 		panic(err)
+// 	}
+
+// 	t.Equal(teacher.Username, "john.doe")
+// 	t.Equal(teacher.Email, "john.doe@foo.org")
+// 	t.Equal(teacher.Password, "RKDb/GzQw8jzfAFwiAjclA81oBtzYWx0")
+// }
+
+// func (t *testSuite) TestCreateUpdateActivity() {
+// 	var (
+// 		class   Class
+// 		subject Subject
+// 	)
+
+// 	activity := Activity{Hours: 5, TeacherID: 1, ClassID: 1, SubjectID: 1}
+
+// 	// Activity 1
+// 	if err := DB().Create(&activity).Error; err != nil {
+// 		panic(err)
+// 	}
+
+// 	// Marco Rossi
+// 	teacher := Teacher{}
+// 	if err := DB().Preload("Classes").Preload("Subjects").Find(&teacher, 1).Error; err != nil {
+// 		panic(err)
+// 	}
+
+// 	// 1A
+// 	if err := DB().Find(&class, 1).Error; err != nil {
+// 		panic(err)
+// 	}
+
+// 	// Italiano
+// 	if err := DB().Find(&subject, 1).Error; err != nil {
+// 		panic(err)
+// 	}
+
+// 	t.Equal(5, teacher.CurrHours)
+// 	t.Equal("1A", teacher.Classes[0].Name)
+// 	t.Equal("Italiano", teacher.Subjects[0].Name)
+
+// 	// Add another activity and check for teacher's hours, subjects and classes
+
+// 	// Subject: "Latino"
+// 	// Class: "1B"
+// 	activity = Activity{Hours: 3, TeacherID: 1, ClassID: 2, SubjectID: 2}
+
+// 	// Activity 2
+// 	if err := DB().Create(&activity).Error; err != nil {
+// 		panic(err)
+// 	}
+
+// 	// Marco Rossi
+// 	teacher = Teacher{}
+// 	if err := DB().Preload("Classes").Preload("Subjects").Find(&teacher, 1).Error; err != nil {
+// 		panic(err)
+// 	}
+
+// 	t.Equal(8, teacher.CurrHours)
+// 	t.Equal("1A", teacher.Classes[0].Name)
+// 	t.Equal("1B", teacher.Classes[1].Name)
+// 	t.Equal("Italiano", teacher.Subjects[0].Name)
+// 	t.Equal("Latino", teacher.Subjects[1].Name)
+
+// 	// Add an activity without teacher
+
+// 	// Subject: "Latino"
+// 	// Class: "2A"
+// 	activity = Activity{Hours: 3, TeacherID: 0, ClassID: 3, SubjectID: 2}
+
+// 	// Activity 3
+// 	if err := DB().Create(&activity).Error; err != nil {
+// 		panic(err)
+// 	}
+
+// 	// Test update activty
+
+// 	activity = Activity{}
+// 	if err := DB().Find(&activity, 1).Error; err != nil {
+// 		panic(err)
+// 	}
+// 	activity.Hours = 4
+
+// 	if err := DB().Save(&activity).Error; err != nil {
+// 		panic(err)
+// 	}
+
+// 	// Marco Rossi
+// 	teacher = Teacher{}
+// 	if err := DB().Find(&teacher, 1).Error; err != nil {
+// 		panic(err)
+// 	}
+
+// 	t.Equal(7, teacher.CurrHours)
+
+// 	// Delete an activity and check for the right number of hours and associations
+
+// 	if err := DB().Delete(&activity).Error; err != nil {
+// 		panic(err)
+// 	}
+
+// 	// Marco Rossi
+// 	teacher = Teacher{}
+// 	if err := DB().Preload("Classes").Preload("Subjects").Find(&teacher, 1).Error; err != nil {
+// 		panic(err)
+// 	}
 
-	activity := Activity{Hours: 5, TeacherID: 1, ClassID: 1, SubjectID: 1}
+// 	t.Equal(3, teacher.CurrHours)
+// 	t.Equal(1, len(teacher.Classes))
+// 	t.Equal(1, len(teacher.Subjects))
+// 	t.Equal("1B", teacher.Classes[0].Name)
+// 	t.Equal("Latino", teacher.Subjects[0].Name)
 
-	// Activity 1
-	if err := DB().Create(&activity).Error; err != nil {
-		panic(err)
-	}
+// 	// Remove teacher from activity and check for consistency
 
-	// Marco Rossi
-	teacher := Teacher{}
-	if err := DB().Preload("Classes").Preload("Subjects").Find(&teacher, 1).Error; err != nil {
-		panic(err)
-	}
+// 	activity = Activity{}
+// 	teacher = Teacher{}
+// 	if err := DB().Find(&activity, 2).Error; err != nil {
+// 		panic(err)
+// 	}
+// 	activity.TeacherID = 0
 
-	// 1A
-	if err := DB().Find(&class, 1).Error; err != nil {
-		panic(err)
-	}
+// 	if err := DB().Save(&activity).Error; err != nil {
+// 		panic(err)
+// 	}
 
-	// Italiano
-	if err := DB().Find(&subject, 1).Error; err != nil {
-		panic(err)
-	}
+// 	// Marco Rossi
+// 	if err := DB().Preload("Classes").Preload("Subjects").Find(&teacher, 1).Error; err != nil {
+// 		panic(err)
+// 	}
 
-	t.Equal(5, teacher.CurrHours)
-	t.Equal("1A", teacher.Classes[0].Name)
-	t.Equal("Italiano", teacher.Subjects[0].Name)
+// 	t.Equal(0, teacher.CurrHours)
+// 	t.Equal(0, len(teacher.Classes))
+// 	t.Equal(0, len(teacher.Subjects))
 
-	// Add another activity and check for teacher's hours, subjects and classes
+// 	// Change teacher in activity and check for consistency
 
-	// Subject: "Latino"
-	// Class: "1B"
-	activity = Activity{Hours: 3, TeacherID: 1, ClassID: 2, SubjectID: 2}
+// 	// Subject: "Latino"
+// 	// Class: "1B"
+// 	activity = Activity{Hours: 3, TeacherID: 1, ClassID: 2, SubjectID: 2}
 
-	// Activity 2
-	if err := DB().Create(&activity).Error; err != nil {
-		panic(err)
-	}
+// 	// Activity 3
+// 	if err := DB().Create(&activity).Error; err != nil {
+// 		panic(err)
+// 	}
+// 	activity.TeacherID = 2
 
-	// Marco Rossi
-	teacher = Teacher{}
-	if err := DB().Preload("Classes").Preload("Subjects").Find(&teacher, 1).Error; err != nil {
-		panic(err)
-	}
+// 	if err := DB().Save(&activity).Error; err != nil {
+// 		panic(err)
+// 	}
 
-	t.Equal(8, teacher.CurrHours)
-	t.Equal("1A", teacher.Classes[0].Name)
-	t.Equal("1B", teacher.Classes[1].Name)
-	t.Equal("Italiano", teacher.Subjects[0].Name)
-	t.Equal("Latino", teacher.Subjects[1].Name)
+// 	// Marco Rossi
+// 	teacher = Teacher{}
+// 	if err := DB().Preload("Classes").Preload("Subjects").Find(&teacher, 1).Error; err != nil {
+// 		panic(err)
+// 	}
 
-	// Add an activity without teacher
+// 	t.Equal(0, teacher.CurrHours)
+// 	t.Equal(0, len(teacher.Classes))
+// 	t.Equal(0, len(teacher.Subjects))
 
-	// Subject: "Latino"
-	// Class: "2A"
-	activity = Activity{Hours: 3, TeacherID: 0, ClassID: 3, SubjectID: 2}
+// }
 
-	// Activity 3
-	if err := DB().Create(&activity).Error; err != nil {
-		panic(err)
-	}
+// func (t *testSuite) TestClassTeachers() {
+// 	var class Class
 
-	// Test update activty
+// 	activity_1 := Activity{Hours: 5, TeacherID: 1, ClassID: 1, SubjectID: 1}
 
-	activity = Activity{}
-	if err := DB().Find(&activity, 1).Error; err != nil {
-		panic(err)
-	}
-	activity.Hours = 4
+// 	if err := DB().Create(&activity_1).Error; err != nil {
+// 		panic(err)
+// 	}
 
-	if err := DB().Save(&activity).Error; err != nil {
-		panic(err)
-	}
+// 	activity_2 := Activity{Hours: 3, TeacherID: 1, ClassID: 2, SubjectID: 2}
 
-	// Marco Rossi
-	teacher = Teacher{}
-	if err := DB().Find(&teacher, 1).Error; err != nil {
-		panic(err)
-	}
+// 	if err := DB().Create(&activity_2).Error; err != nil {
+// 		panic(err)
+// 	}
 
-	t.Equal(7, teacher.CurrHours)
+// 	if err := DB().Preload("Teachers").First(&class, 1).Error; err != nil {
+// 		panic(err)
+// 	}
 
-	// Delete an activity and check for the right number of hours and associations
+// 	subjects := class.Teachers[0].GetSubjectsByClassID(class.ID)
+// 	t.Equal(1, len(subjects))
+// 	t.Equal("Italiano", subjects[0].Name)
 
-	if err := DB().Delete(&activity).Error; err != nil {
-		panic(err)
-	}
+// }
 
-	// Marco Rossi
-	teacher = Teacher{}
-	if err := DB().Preload("Classes").Preload("Subjects").Find(&teacher, 1).Error; err != nil {
-		panic(err)
-	}
+// func (t *testSuite) TestCoordinatorMinuter() {
+// 	var (
+// 		class     Class
+// 		teacher_1 Teacher
+// 		teacher_2 Teacher
+// 	)
 
-	t.Equal(3, teacher.CurrHours)
-	t.Equal(1, len(teacher.Classes))
-	t.Equal(1, len(teacher.Subjects))
-	t.Equal("1B", teacher.Classes[0].Name)
-	t.Equal("Latino", teacher.Subjects[0].Name)
+// 	activity_1 := Activity{Hours: 5, TeacherID: 1, ClassID: 1, SubjectID: 1}
 
-	// Remove teacher from activity and check for consistency
+// 	if err := DB().Create(&activity_1).Error; err != nil {
+// 		panic(err)
+// 	}
 
-	activity = Activity{}
-	teacher = Teacher{}
-	if err := DB().Find(&activity, 2).Error; err != nil {
-		panic(err)
-	}
-	activity.TeacherID = 0
+// 	activity_2 := Activity{Hours: 5, TeacherID: 2, ClassID: 1, SubjectID: 1}
 
-	if err := DB().Save(&activity).Error; err != nil {
-		panic(err)
-	}
+// 	if err := DB().Create(&activity_2).Error; err != nil {
+// 		panic(err)
+// 	}
 
-	// Marco Rossi
-	if err := DB().Preload("Classes").Preload("Subjects").Find(&teacher, 1).Error; err != nil {
-		panic(err)
-	}
+// 	if err := DB().First(&class, 1).Error; err != nil {
+// 		panic(err)
+// 	}
 
-	t.Equal(0, teacher.CurrHours)
-	t.Equal(0, len(teacher.Classes))
-	t.Equal(0, len(teacher.Subjects))
+// 	class.CoordinatorID = 1
+// 	class.MinuterID = 2
 
-	// Change teacher in activity and check for consistency
+// 	if err := DB().Save(&class).Error; err != nil {
+// 		panic(err)
+// 	}
 
-	// Subject: "Latino"
-	// Class: "1B"
-	activity = Activity{Hours: 3, TeacherID: 1, ClassID: 2, SubjectID: 2}
+// 	if err := DB().Find(&teacher_1, 1).Error; err != nil {
+// 		panic(err)
+// 	}
 
-	// Activity 3
-	if err := DB().Create(&activity).Error; err != nil {
-		panic(err)
-	}
-	activity.TeacherID = 2
-
-	if err := DB().Save(&activity).Error; err != nil {
-		panic(err)
-	}
-
-	// Marco Rossi
-	teacher = Teacher{}
-	if err := DB().Preload("Classes").Preload("Subjects").Find(&teacher, 1).Error; err != nil {
-		panic(err)
-	}
-
-	t.Equal(0, teacher.CurrHours)
-	t.Equal(0, len(teacher.Classes))
-	t.Equal(0, len(teacher.Subjects))
-
-}
+// 	if err := DB().Find(&teacher_2, 2).Error; err != nil {
+// 		panic(err)
+// 	}
 
-func (t *testSuite) TestClassTeachers() {
-	var class Class
+// 	classes_1 := teacher_1.IsCoordinator()
+// 	t.Equal(1, len(classes_1))
 
-	activity_1 := Activity{Hours: 5, TeacherID: 1, ClassID: 1, SubjectID: 1}
+// 	if len(classes_1) > 0 {
+// 		t.Equal("1A", classes_1[0].Name)
+// 	}
 
-	if err := DB().Create(&activity_1).Error; err != nil {
-		panic(err)
-	}
+// 	classes_2 := teacher_2.IsMinuter()
+// 	t.Equal(1, len(classes_2))
 
-	activity_2 := Activity{Hours: 3, TeacherID: 1, ClassID: 2, SubjectID: 2}
+// 	if len(classes_2) > 0 {
+// 		t.Equal("1A", classes_2[0].Name)
+// 	}
 
-	if err := DB().Create(&activity_2).Error; err != nil {
-		panic(err)
-	}
+// }
 
-	if err := DB().Preload("Teachers").First(&class, 1).Error; err != nil {
-		panic(err)
-	}
+// func (t *testSuite) TestTeacherHasClass() {
+// 	activity := Activity{Hours: 5, TeacherID: 1, ClassID: 1, SubjectID: 1}
 
-	subjects := class.Teachers[0].GetSubjectsByClassID(class.ID)
-	t.Equal(1, len(subjects))
-	t.Equal("Italiano", subjects[0].Name)
+// 	// Activity 1
+// 	if err := DB().Create(&activity).Error; err != nil {
+// 		panic(err)
+// 	}
 
-}
-
-func (t *testSuite) TestCoordinatorMinuter() {
-	var (
-		class     Class
-		teacher_1 Teacher
-		teacher_2 Teacher
-	)
+// 	// Marco Rossi
+// 	teacher := Teacher{}
+// 	if err := DB().Preload("Classes").Preload("Subjects").Find(&teacher, 1).Error; err != nil {
+// 		panic(err)
+// 	}
 
-	activity_1 := Activity{Hours: 5, TeacherID: 1, ClassID: 1, SubjectID: 1}
+// 	t.True(teacher.HasClass("1A"))
+// }
 
-	if err := DB().Create(&activity_1).Error; err != nil {
-		panic(err)
-	}
+// func (t *testSuite) TestTeacherHasSubject() {
+// 	activity := Activity{Hours: 5, TeacherID: 1, ClassID: 1, SubjectID: 1}
 
-	activity_2 := Activity{Hours: 5, TeacherID: 2, ClassID: 1, SubjectID: 1}
+// 	// Activity 1
+// 	if err := DB().Create(&activity).Error; err != nil {
+// 		panic(err)
+// 	}
 
-	if err := DB().Create(&activity_2).Error; err != nil {
-		panic(err)
-	}
+// 	// Marco Rossi
+// 	teacher := Teacher{}
+// 	if err := DB().Preload("Classes").Preload("Subjects").Find(&teacher, 1).Error; err != nil {
+// 		panic(err)
+// 	}
 
-	if err := DB().First(&class, 1).Error; err != nil {
-		panic(err)
-	}
+// 	t.True(teacher.HasSubject("Italiano"))
+// }
 
-	class.CoordinatorID = 1
-	class.MinuterID = 2
+// func (t *testSuite) TestTeacherHasSubjectInClass() {
+// 	activity := Activity{Hours: 5, TeacherID: 1, ClassID: 1, SubjectID: 1}
 
-	if err := DB().Save(&class).Error; err != nil {
-		panic(err)
-	}
+// 	// Activity 1
+// 	if err := DB().Create(&activity).Error; err != nil {
+// 		panic(err)
+// 	}
 
-	if err := DB().Find(&teacher_1, 1).Error; err != nil {
-		panic(err)
-	}
+// 	// Marco Rossi
+// 	teacher := Teacher{}
+// 	if err := DB().Preload("Classes").Preload("Subjects").Find(&teacher, 1).Error; err != nil {
+// 		panic(err)
+// 	}
 
-	if err := DB().Find(&teacher_2, 2).Error; err != nil {
-		panic(err)
-	}
+// 	t.True(teacher.HasSubjectInClass("Italiano", "1A"))
+// }
 
-	classes_1 := teacher_1.IsCoordinator()
-	t.Equal(1, len(classes_1))
+// func (t *testSuite) TestTeacherIsCoordinatorInClass() {
+// 	activity := Activity{Hours: 5, TeacherID: 1, ClassID: 1, SubjectID: 1}
 
-	if len(classes_1) > 0 {
-		t.Equal("1A", classes_1[0].Name)
-	}
+// 	// Activity 1
+// 	if err := DB().Create(&activity).Error; err != nil {
+// 		panic(err)
+// 	}
 
-	classes_2 := teacher_2.IsMinuter()
-	t.Equal(1, len(classes_2))
+// 	var class Class
 
-	if len(classes_2) > 0 {
-		t.Equal("1A", classes_2[0].Name)
-	}
+// 	if err := DB().First(&class, 1).Error; err != nil {
+// 		panic(err)
+// 	}
 
-}
+// 	class.CoordinatorID = 1
 
-func (t *testSuite) TestTeacherHasClass() {
-	activity := Activity{Hours: 5, TeacherID: 1, ClassID: 1, SubjectID: 1}
+// 	// Marco Rossi
+// 	teacher := Teacher{}
+// 	if err := DB().Preload("Classes").Find(&teacher, 1).Error; err != nil {
+// 		panic(err)
+// 	}
 
-	// Activity 1
-	if err := DB().Create(&activity).Error; err != nil {
-		panic(err)
-	}
+// 	t.True(teacher.IsCoordinatorInClass("1A"))
+// }
 
-	// Marco Rossi
-	teacher := Teacher{}
-	if err := DB().Preload("Classes").Preload("Subjects").Find(&teacher, 1).Error; err != nil {
-		panic(err)
-	}
+// func (t *testSuite) TestTeacherIssues() {
+// 	// activity_1 := Activity{Hours: 5, TeacherID: 1, ClassID: 1, SubjectID: 1}
+// 	// activity_2 := Activity{Hours: 10, TeacherID: 1, ClassID: 2, SubjectID: 1}
 
-	t.True(teacher.HasClass("1A"))
-}
+// 	// if err := DB().Create(&activity_1).Error; err != nil {
+// 	// 	panic(err)
+// 	// }
 
-func (t *testSuite) TestTeacherHasSubject() {
-	activity := Activity{Hours: 5, TeacherID: 1, ClassID: 1, SubjectID: 1}
+// 	// if err := DB().Create(&activity_2).Error; err != nil {
+// 	// 	panic(err)
+// 	// }
 
-	// Activity 1
-	if err := DB().Create(&activity).Error; err != nil {
-		panic(err)
-	}
+// 	// // Marco Rossi
+// 	// teacher := Teacher{}
+// 	// if err := DB().Preload("Issues").Find(&teacher, 1).Error; err != nil {
+// 	// 	panic(err)
+// 	// }
 
-	// Marco Rossi
-	teacher := Teacher{}
-	if err := DB().Preload("Classes").Preload("Subjects").Find(&teacher, 1).Error; err != nil {
-		panic(err)
-	}
-
-	t.True(teacher.HasSubject("Italiano"))
-}
-
-func (t *testSuite) TestTeacherHasSubjectInClass() {
-	activity := Activity{Hours: 5, TeacherID: 1, ClassID: 1, SubjectID: 1}
-
-	// Activity 1
-	if err := DB().Create(&activity).Error; err != nil {
-		panic(err)
-	}
-
-	// Marco Rossi
-	teacher := Teacher{}
-	if err := DB().Preload("Classes").Preload("Subjects").Find(&teacher, 1).Error; err != nil {
-		panic(err)
-	}
-
-	t.True(teacher.HasSubjectInClass("Italiano", "1A"))
-}
-
-func (t *testSuite) TestTeacherIsCoordinatorInClass() {
-	activity := Activity{Hours: 5, TeacherID: 1, ClassID: 1, SubjectID: 1}
-
-	// Activity 1
-	if err := DB().Create(&activity).Error; err != nil {
-		panic(err)
-	}
-
-	var class Class
-
-	if err := DB().First(&class, 1).Error; err != nil {
-		panic(err)
-	}
-
-	class.CoordinatorID = 1
-
-	// Marco Rossi
-	teacher := Teacher{}
-	if err := DB().Preload("Classes").Find(&teacher, 1).Error; err != nil {
-		panic(err)
-	}
-
-	t.True(teacher.IsCoordinatorInClass("1A"))
-}
-
-func (t *testSuite) TestTeacherIssues() {
-	// activity_1 := Activity{Hours: 5, TeacherID: 1, ClassID: 1, SubjectID: 1}
-	// activity_2 := Activity{Hours: 10, TeacherID: 1, ClassID: 2, SubjectID: 1}
-
-	// if err := DB().Create(&activity_1).Error; err != nil {
-	// 	panic(err)
-	// }
-
-	// if err := DB().Create(&activity_2).Error; err != nil {
-	// 	panic(err)
-	// }
-
-	// // Marco Rossi
-	// teacher := Teacher{}
-	// if err := DB().Preload("Issues").Find(&teacher, 1).Error; err != nil {
-	// 	panic(err)
-	// }
-
-	// t.Equal(1, len(teacher.Issues))
-	// t.Equal(IssueTeacherHours, teacher.Issues[0].Type)
-}
+// 	// t.Equal(1, len(teacher.Issues))
+// 	// t.Equal(IssueTeacherHours, teacher.Issues[0].Type)
+// }

orm/teacher.go

@@ -11,8 +11,8 @@ import (
 type Teacher struct {
 	gorm.Model
 	Credential
-	Classes     []Class   `gorm:"many2many:teacher_classes;"`
-	Subjects    []Subject `gorm:"many2many:teacher_subjects;"`
+	Classes     []Class
+	Subjects    []Subject
 	Activities  []Activity
 	Departments []Department
 	Issues      []Issue
@@ -21,6 +21,33 @@ type Teacher struct {
 	TheBossId   uint
 }
 
+var (
+	selectUniqueTeacherClasses = `
+SELECT DISTINCT classes.* FROM activities 
+INNER JOIN classes on classes.id=activities.class_id 
+WHERE teacher_id=?`
+
+	selectUniqueTeacherSubjects = `
+SELECT DISTINCT subjects.* FROM activities 
+INNER JOIN subjects on subjects.id=activities.subject_id 
+WHERE activities.teacher_id=?`
+)
+
+func GetTeachers() ([]*Teacher, error) {
+	var teachers []*Teacher
+	if err := DB().Order("surname,name").Find(&teachers).Error; err != nil {
+		return nil, err
+	}
+	return teachers, nil
+}
+
+func (t *Teacher) GetClasses() ([]Class, error) {
+	if err := DB().Raw(selectUniqueTeacherClasses, t.ID).Scan(&t.Classes).Error; err != nil {
+		return nil, err
+	}
+	return t.Classes, nil
+}
+
 func (t *Teacher) Create(db *gorm.DB, record map[string]interface{}) error {
 	result := new(Teacher)