feat: review open answers in the admin and pick a grader per quiz

- Do oceny admin screen (golem15.quizzes.reviews) over the open answers,
  with a read-only context partial, score and comment virtual fields saved
  through SetScore, confirm and regrade record actions, bulk confirm
- open question type, rubric and max_length in the question form; grader
  dropdown on the quiz form from the grader registry
- Review model with quiz, status and student filters

admin_test.go

@@ -2,12 +2,16 @@ package quizzes_test
 
 import (
 	"slices"
+	"strings"
 	"testing"
 
 	"git.golem15.com/golem15/sm-quizzes-plugin/models"
 	"git.golem15.com/golem15/summercms/modules/bouncer"
 	"git.golem15.com/golem15/summercms/modules/cabana"
+	"git.golem15.com/golem15/summercms/modules/lagoon"
 	"git.golem15.com/golem15/summercms/modules/pact"
+	"gorm.io/gorm"
+	"gorm.io/gorm/utils/tests"
 )
 
 func TestAdminCompiles(t *testing.T) {
@@ -37,7 +41,7 @@ func TestAdminCompiles(t *testing.T) {
 		}
 	}
 	slices.Sort(ids)
-	want := []string{"golem15.quizzes.answers", "golem15.quizzes.attempts", "golem15.quizzes.questions", "golem15.quizzes.quizzes"}
+	want := []string{"golem15.quizzes.answers", "golem15.quizzes.attempts", "golem15.quizzes.questions", "golem15.quizzes.quizzes", "golem15.quizzes.reviews"}
 	if !slices.Equal(ids, want) {
 		t.Errorf("controllers = %v, want %v", ids, want)
 	}
@@ -52,17 +56,78 @@ func TestAdminCompiles(t *testing.T) {
 	}
 
 	nav := p.(pact.HasNavigation).Navigation()
-	if len(nav) != 1 || nav[0].Label != "golem15.quizzes::lang.plugin.name" || len(nav[0].SideMenu) != 4 {
+	if len(nav) != 1 || nav[0].Label != "golem15.quizzes::lang.plugin.name" || len(nav[0].SideMenu) != 5 {
 		t.Errorf("navigation = %+v", nav)
+	} else {
+		var codes []string
+		for _, item := range nav[0].SideMenu {
+			codes = append(codes, item.Code)
+		}
+		if !slices.Equal(codes, []string{"quizzes", "questions", "answers", "reviews", "attempts"}) {
+			t.Errorf("side menu = %v, want reviews after answers", codes)
+		}
+		if review := nav[0].SideMenu[3]; review.Controller != "golem15.quizzes.reviews" || !slices.Equal(review.Permissions, []string{"golem15.quizzes.access_quizzes"}) {
+			t.Errorf("reviews entry = %+v", review)
+		}
 	}
 }
 
 func TestQuestionFilterScopes(t *testing.T) {
 	q := models.Question{}
-	if got := q.FilterOptions(models.ScopeByType); len(got) != 3 {
+	if got := q.FilterOptions(models.ScopeByType); len(got) != 4 || got[3].Value != models.TypeOpen {
 		t.Errorf("type options = %v", got)
 	}
 	if got := q.FilterScope("unknown", nil, "x"); got != nil {
 		t.Errorf("FilterScope on a nil db = %v", got)
 	}
 }
+
+func TestReviewFilterScopes(t *testing.T) {
+	r := models.Review{}
+	if got := r.FilterScopes(); !slices.Equal(got, []string{models.ScopeByQuiz, models.ScopeByStatus, models.ScopeByStudent}) {
+		t.Errorf("FilterScopes = %v", got)
+	}
+	opts := r.FilterOptions(models.ScopeByStatus)
+	var values []string
+	for _, o := range opts {
+		values = append(values, o.Value)
+		if o.Label != "golem15.quizzes::lang.reviews.status_"+o.Value {
+			t.Errorf("status %s label = %q", o.Value, o.Label)
+		}
+	}
+	if !slices.Equal(values, []string{"pending", "graded", "failed", "reviewed"}) {
+		t.Errorf("status options = %v", values)
+	}
+	if got := r.FilterScope("unknown", nil, "x"); got != nil {
+		t.Errorf("FilterScope on a nil db = %v", got)
+	}
+
+	db, err := gorm.Open(tests.DummyDialector{}, &gorm.Config{DryRun: true})
+	if err != nil {
+		t.Fatalf("dry-run db: %v", err)
+	}
+	sqlOf := func(scope string, value any) string {
+		var rows []models.Review
+		stmt := r.FilterScope(scope, db.Session(&gorm.Session{DryRun: true}).Model(&models.Review{}), value).Find(&rows).Statement
+		return stmt.SQL.String()
+	}
+	if got := sqlOf(models.ScopeByStatus, []any{"graded"}); !strings.Contains(got, "golem15_quizzes_attempt_answers.grading_status IN") {
+		t.Errorf("status SQL = %s", got)
+	}
+	if got := sqlOf(models.ScopeByStatus, []any{"bogus"}); !strings.Contains(got, "1 = 0") {
+		t.Errorf("unknown status SQL = %s, want no rows", got)
+	}
+	if got := sqlOf(models.ScopeByQuiz, []any{"3"}); !strings.Contains(got, "question_id IN (SELECT id FROM golem15_quizzes_questions WHERE quiz_id IN") {
+		t.Errorf("quiz SQL = %s", got)
+	}
+	if got := sqlOf(models.ScopeByStudent, []any{"7"}); !strings.Contains(got, "attempt_id IN (SELECT id FROM golem15_quizzes_attempts WHERE user_id IN") {
+		t.Errorf("student SQL = %s", got)
+	}
+	if got := sqlOf(models.ScopeByQuiz, nil); strings.Contains(got, "question_id IN") {
+		t.Errorf("empty value SQL = %s, want no filter", got)
+	}
+
+	if name, err := lagoon.MorphType(nil, &models.Review{}); err != nil || name == "golem15_quizzes_attempt_answers" {
+		t.Errorf("Review morph type = %q, %v; it must differ from AttemptAnswer's table", name, err)
+	}
+}