new licenceController, moved api handling & renaming things

internal/repositories/licence_repository.go

@@ -0,0 +1,31 @@
+package repositories
+
+import (
+	"GoMembership/internal/database"
+	"GoMembership/internal/models"
+)
+
+type LicenceInterface interface {
+	FindCategoryByName(categoryName string) (models.Category, error)
+	FindCategoriesByIDs(ids []uint) ([]models.Category, error)
+	GetAllCategories() ([]models.Category, error)
+}
+
+type LicenceRepository struct{}
+
+func (r *LicenceRepository) GetAllCategories() ([]models.Category, error) {
+	var categories []models.Category
+	err := database.DB.Find(&categories).Error
+	return categories, err
+}
+func (r *LicenceRepository) FindCategoriesByIDs(ids []uint) ([]models.Category, error) {
+	var categories []models.Category
+	err := database.DB.Where("id IN ?", ids).Find(&categories).Error
+	return categories, err
+}
+
+func (r *LicenceRepository) FindCategoryByName(categoryName string) (models.Category, error) {
+	var category models.Category
+	err := database.DB.Where("category = ?", categoryName).First(&category).Error
+	return category, err
+}