feat: 优化web

internal/system/repository/param_repository.go

@@ -0,0 +1,139 @@
+package repository
+
+import (
+	"context"
+	"errors"
+
+	"giter.top/smart/internal/system/entity"
+	"gorm.io/gorm"
+)
+
+// ErrNotFound 记录未找到
+var ErrNotFound = errors.New("param not found")
+
+// ParamRepository 系统参数数据访问层
+type ParamRepository interface {
+	// Create 创建系统参数
+	Create(ctx context.Context, param *entity.SystemParam) error
+	// Update 更新系统参数
+	Update(ctx context.Context, param *entity.SystemParam) error
+	// Delete 删除系统参数
+	Delete(ctx context.Context, id string) error
+	// DeleteBatch 批量删除
+	DeleteBatch(ctx context.Context, ids []string) error
+	// GetByID 根据 ID 获取
+	GetByID(ctx context.Context, id string) (*entity.SystemParam, error)
+	// GetByKey 根据键获取
+	GetByKey(ctx context.Context, key string) (*entity.SystemParam, error)
+	// List 获取列表（支持分页和筛选）
+	List(ctx context.Context, group string, paramKey string, page, pageSize int) ([]entity.SystemParam, int64, error)
+	// GetAll 获取所有参数（用于缓存）
+	GetAll(ctx context.Context) (map[string]entity.SystemParam, error)
+	// ExistsByKey 检查键是否存在（排除指定 ID）
+	ExistsByKey(ctx context.Context, key string, excludeID string) (bool, error)
+}
+
+type paramRepository struct {
+	db *gorm.DB
+}
+
+// NewParamRepository 创建参数仓库实例
+func NewParamRepository(db *gorm.DB) ParamRepository {
+	return &paramRepository{db: db}
+}
+
+func (r *paramRepository) Create(ctx context.Context, param *entity.SystemParam) error {
+	return r.db.WithContext(ctx).Create(param).Error
+}
+
+func (r *paramRepository) Update(ctx context.Context, param *entity.SystemParam) error {
+	return r.db.WithContext(ctx).Save(param).Error
+}
+
+func (r *paramRepository) Delete(ctx context.Context, id string) error {
+	return r.db.WithContext(ctx).Where("id = ?", id).Delete(&entity.SystemParam{}).Error
+}
+
+func (r *paramRepository) DeleteBatch(ctx context.Context, ids []string) error {
+	return r.db.WithContext(ctx).Where("id IN ?", ids).Delete(&entity.SystemParam{}).Error
+}
+
+func (r *paramRepository) GetByID(ctx context.Context, id string) (*entity.SystemParam, error) {
+	var param entity.SystemParam
+	err := r.db.WithContext(ctx).Where("id = ?", id).First(&param).Error
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, ErrNotFound
+		}
+		return nil, err
+	}
+	return &param, nil
+}
+
+func (r *paramRepository) GetByKey(ctx context.Context, key string) (*entity.SystemParam, error) {
+	var param entity.SystemParam
+	err := r.db.WithContext(ctx).Where("param_key = ?", key).First(&param).Error
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, ErrNotFound
+		}
+		return nil, err
+	}
+	return &param, nil
+}
+
+func (r *paramRepository) List(ctx context.Context, group string, paramKey string, page, pageSize int) ([]entity.SystemParam, int64, error) {
+	var params []entity.SystemParam
+	var total int64
+	query := r.db.WithContext(ctx).Model(&entity.SystemParam{})
+
+	// 应用筛选条件
+	if group != "" {
+		query = query.Where("param_group = ?", group)
+	}
+	if paramKey != "" {
+		query = query.Where("param_key LIKE ?", "%"+paramKey+"%")
+	}
+
+	// 获取总数
+	if err := query.Count(&total).Error; err != nil {
+		return nil, 0, err
+	}
+
+	// 分页查询
+	offset := (page - 1) * pageSize
+	if offset < 0 {
+		offset = 0
+	}
+	if pageSize <= 0 {
+		pageSize = 10
+	}
+	err := query.Order("id DESC").Offset(offset).Limit(pageSize).Find(&params).Error
+	if err != nil {
+		return nil, 0, err
+	}
+	return params, total, nil
+}
+
+func (r *paramRepository) GetAll(ctx context.Context) (map[string]entity.SystemParam, error) {
+	var params []entity.SystemParam
+	err := r.db.WithContext(ctx).Find(&params).Error
+	if err != nil {
+		return nil, err
+	}
+	result := make(map[string]entity.SystemParam, len(params))
+	for _, param := range params {
+		result[param.ParamKey] = param
+	}
+	return result, nil
+}
+
+func (r *paramRepository) ExistsByKey(ctx context.Context, key string, excludeID string) (bool, error) {
+	query := r.db.WithContext(ctx).Where("param_key = ?", key)
+	if excludeID != "" {
+		query = query.Where("id != ?", excludeID)
+	}
+	var count int64
+	err := query.Model(&entity.SystemParam{}).Count(&count).Error
+	return count > 0, err
+}