add qualification resolvers implementation

internal/graphql/resolvers/qualification.resolvers.go

@@ -5,28 +5,55 @@ package resolvers
 
 import (
 	"context"
-	"fmt"
 
 	"github.com/zdam-egzamin-zawodowy/backend/internal/graphql/generated"
 	"github.com/zdam-egzamin-zawodowy/backend/internal/models"
+	"github.com/zdam-egzamin-zawodowy/backend/internal/qualification"
+	"github.com/zdam-egzamin-zawodowy/backend/pkg/utils"
 )
 
 func (r *mutationResolver) CreateQualification(ctx context.Context, input models.QualificationInput) (*models.Qualification, error) {
-	panic(fmt.Errorf("not implemented"))
+	return r.QualificationUsecase.Store(ctx, &input)
 }
 
 func (r *mutationResolver) UpdateQualification(ctx context.Context, id int, input models.QualificationInput) (*models.Qualification, error) {
-	panic(fmt.Errorf("not implemented"))
+	return r.QualificationUsecase.UpdateOneByID(ctx, id, &input)
 }
 
 func (r *mutationResolver) DeleteQualifications(ctx context.Context, ids []int) ([]*models.Qualification, error) {
-	panic(fmt.Errorf("not implemented"))
+	return r.QualificationUsecase.Delete(ctx, &models.QualificationFilter{
+		ID: ids,
+	})
 }
 
-func (r *queryResolver) Qualifications(ctx context.Context, filter *models.QualificationFilter, limit *int, offset *int, sort []string) (*generated.QualificationList, error) {
-	panic(fmt.Errorf("not implemented"))
+func (r *queryResolver) Qualifications(
+	ctx context.Context,
+	filter *models.QualificationFilter,
+	limit *int,
+	offset *int,
+	sort []string,
+) (*generated.QualificationList, error) {
+	var err error
+	list := &generated.QualificationList{}
+	list.Items, list.Total, err = r.QualificationUsecase.Fetch(
+		ctx,
+		&qualification.FetchConfig{
+			Count:  shouldCount(ctx),
+			Filter: filter,
+			Limit:  utils.SafeIntPointer(limit, 100),
+			Offset: utils.SafeIntPointer(offset, 0),
+			Sort:   sort,
+		},
+	)
+	return list, err
 }
 
 func (r *queryResolver) Qualification(ctx context.Context, id *int, slug *string) (*models.Qualification, error) {
-	panic(fmt.Errorf("not implemented"))
+	if id != nil {
+		return r.QualificationUsecase.GetByID(ctx, *id)
+	} else if slug != nil {
+		return r.QualificationUsecase.GetBySlug(ctx, *slug)
+	}
+
+	return nil, nil
 }