121 lines
3.1 KiB
Go
121 lines
3.1 KiB
Go
package service
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import (
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"fmt"
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"dd_fiber_api/internal/question"
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"dd_fiber_api/internal/question/dao"
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)
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// MaterialService 材料服务
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type MaterialService struct {
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materialDAO dao.MaterialDAOInterface
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}
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// NewMaterialService 创建材料服务
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func NewMaterialService(materialDAO dao.MaterialDAOInterface) *MaterialService {
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return &MaterialService{
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materialDAO: materialDAO,
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}
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}
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// CreateMaterialRequest 创建材料请求
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type CreateMaterialRequest struct {
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Type string `json:"type"` // 材料类型：objective 或 subjective
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Name string `json:"name"`
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Content string `json:"content"`
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}
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// UpdateMaterialRequest 更新材料请求
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type UpdateMaterialRequest struct {
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ID string `json:"id"`
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Type string `json:"type"` // 材料类型：objective 或 subjective
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Name string `json:"name"`
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Content string `json:"content"`
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}
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// CreateMaterial 创建材料
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func (s *MaterialService) CreateMaterial(req *CreateMaterialRequest) (*question.Material, error) {
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materialID := question.GenerateID()
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materialType := question.MaterialType(req.Type)
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// 如果没有指定类型，默认为 objective（兼容旧数据）
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if materialType == "" {
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materialType = question.MaterialTypeObjective
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}
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materialObj := &question.Material{
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ID: materialID,
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Type: materialType,
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Name: req.Name,
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Content: req.Content,
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CreatedAt: question.GetCurrentTimestamp(),
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UpdatedAt: question.GetCurrentTimestamp(),
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}
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err := s.materialDAO.Create(materialObj)
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if err != nil {
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return nil, fmt.Errorf("创建材料失败: %v", err)
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}
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return materialObj, nil
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}
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// GetMaterial 获取材料
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func (s *MaterialService) GetMaterial(id string) (*question.Material, error) {
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material, err := s.materialDAO.GetByID(id)
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if err != nil {
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return nil, fmt.Errorf("材料不存在: %v", err)
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}
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return material, nil
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}
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// SearchMaterials 搜索材料
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func (s *MaterialService) SearchMaterials(query string, materialType question.MaterialType, page, pageSize int32) ([]*question.Material, int32, error) {
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materials, total, err := s.materialDAO.Search(query, materialType, page, pageSize)
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if err != nil {
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return nil, 0, fmt.Errorf("搜索材料失败: %v", err)
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}
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return materials, total, nil
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}
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// UpdateMaterial 更新材料
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func (s *MaterialService) UpdateMaterial(req *UpdateMaterialRequest) error {
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materialType := question.MaterialType(req.Type)
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// 如果没有指定类型，保持原有类型（需要先查询）
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if materialType == "" {
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existing, err := s.materialDAO.GetByID(req.ID)
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if err != nil {
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return fmt.Errorf("获取材料失败: %v", err)
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}
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materialType = existing.Type
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}
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material := &question.Material{
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ID: req.ID,
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Type: materialType,
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Name: req.Name,
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Content: req.Content,
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UpdatedAt: question.GetCurrentTimestamp(),
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}
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err := s.materialDAO.Update(material)
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if err != nil {
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return fmt.Errorf("更新材料失败: %v", err)
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}
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return nil
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}
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// DeleteMaterial 删除材料
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func (s *MaterialService) DeleteMaterial(id string) error {
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err := s.materialDAO.Delete(id)
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if err != nil {
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return fmt.Errorf("删除材料失败: %v", err)
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}
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return nil
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}
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