Repositories implementiert

buildtime/internal/repositories/valueRepository.go

@@ -0,0 +1,73 @@
+package repositories
+
+import (
+	"SimplyCPQ2/internal/models"
+	"database/sql"
+)
+
+type ValueRepository struct {
+	db    *sql.DB
+	cache map[int]models.Value
+}
+
+func NewValueRepository(db *sql.DB) *ValueRepository {
+	return &ValueRepository{
+		db:    db,
+		cache: make(map[int]models.Value),
+	}
+}
+
+func (r *ValueRepository) GetValueByID(id int) (models.Value, error) {
+	if value, ok := r.cache[id]; ok {
+		return value, nil
+	}
+
+	var value models.Value
+	err := r.db.QueryRow("SELECT id, value, image_url FROM values WHERE id = ?", id).Scan(&value.Id, &value.Value, &value.ImageURL)
+	if err != nil {
+		return models.Value{}, err
+	}
+	r.cache[id] = value
+	return value, nil
+}
+
+func (r *ValueRepository) GetValuesByPropertyId(pid int) ([]models.Value, error) {
+	rows, err := r.db.Query("SELECT id, value, image_url, properties_id FROM values WHERE properties_id = ?", pid)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var values []models.Value
+	for rows.Next() {
+		var value models.Value
+		err := rows.Scan(&value.Id, &value.Value, &value.ImageURL, &value.PropertiesId)
+		if err != nil {
+			return nil, err
+		}
+		if cachedValue, ok := r.cache[value.Id]; ok {
+			values = append(values, cachedValue)
+		} else {
+			r.cache[value.Id] = value
+			values = append(values, value)
+		}
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return values, nil
+}
+
+func (r *ValueRepository) CreateValue(value models.Value) (models.Value, error) {
+	result, err := r.db.Exec("INSERT INTO values (value, image_url, properties_id) VALUES (?, ?, ?)", value.Value, value.ImageURL, value.PropertiesId)
+	if err != nil {
+		return models.Value{}, err
+	}
+	id, err := result.LastInsertId()
+	if err != nil {
+		return models.Value{}, err
+	}
+	value.Id = int(id)
+	r.cache[value.Id] = value
+	return value, nil
+}