init

bbs-go/server/internal/services/favorite_service.go

@@ -0,0 +1,117 @@
+package services
+
+import (
+	"bbs-go/internal/models/constants"
+	"bbs-go/internal/pkg/event"
+	"errors"
+
+	"github.com/mlogclub/simple/common/dates"
+	"github.com/mlogclub/simple/sqls"
+	"github.com/mlogclub/simple/web/params"
+
+	"bbs-go/internal/models"
+	"bbs-go/internal/repositories"
+)
+
+var FavoriteService = newFavoriteService()
+
+func newFavoriteService() *favoriteService {
+	return &favoriteService{}
+}
+
+type favoriteService struct {
+}
+
+func (s *favoriteService) Get(id int64) *models.Favorite {
+	return repositories.FavoriteRepository.Get(sqls.DB(), id)
+}
+
+func (s *favoriteService) Take(where ...interface{}) *models.Favorite {
+	return repositories.FavoriteRepository.Take(sqls.DB(), where...)
+}
+
+func (s *favoriteService) Find(cnd *sqls.Cnd) []models.Favorite {
+	return repositories.FavoriteRepository.Find(sqls.DB(), cnd)
+}
+
+func (s *favoriteService) FindOne(cnd *sqls.Cnd) *models.Favorite {
+	return repositories.FavoriteRepository.FindOne(sqls.DB(), cnd)
+}
+
+func (s *favoriteService) FindPageByParams(params *params.QueryParams) (list []models.Favorite, paging *sqls.Paging) {
+	return repositories.FavoriteRepository.FindPageByParams(sqls.DB(), params)
+}
+
+func (s *favoriteService) FindPageByCnd(cnd *sqls.Cnd) (list []models.Favorite, paging *sqls.Paging) {
+	return repositories.FavoriteRepository.FindPageByCnd(sqls.DB(), cnd)
+}
+
+func (s *favoriteService) Create(t *models.Favorite) error {
+	return repositories.FavoriteRepository.Create(sqls.DB(), t)
+}
+
+func (s *favoriteService) Update(t *models.Favorite) error {
+	return repositories.FavoriteRepository.Update(sqls.DB(), t)
+}
+
+func (s *favoriteService) Updates(id int64, columns map[string]interface{}) error {
+	return repositories.FavoriteRepository.Updates(sqls.DB(), id, columns)
+}
+
+func (s *favoriteService) UpdateColumn(id int64, name string, value interface{}) error {
+	return repositories.FavoriteRepository.UpdateColumn(sqls.DB(), id, name, value)
+}
+
+func (s *favoriteService) Delete(id int64) {
+	repositories.FavoriteRepository.Delete(sqls.DB(), id)
+}
+
+func (s *favoriteService) IsFavorited(userId int64, entityType string, entityId int64) bool {
+	return repositories.FavoriteRepository.Take(sqls.DB(), "user_id = ? and entity_type = ? and entity_id = ?",
+		userId, entityType, entityId) != nil
+}
+
+func (s *favoriteService) GetBy(userId int64, entityType string, entityId int64) *models.Favorite {
+	return repositories.FavoriteRepository.Take(sqls.DB(), "user_id = ? and entity_type = ? and entity_id = ?",
+		userId, entityType, entityId)
+}
+
+// AddArticleFavorite 收藏文章
+func (s *favoriteService) AddArticleFavorite(userId, articleId int64) error {
+	article := repositories.ArticleRepository.Get(sqls.DB(), articleId)
+	if article == nil || article.Status != constants.StatusOk {
+		return errors.New("收藏的文章不存在")
+	}
+	return s.addFavorite(userId, constants.EntityArticle, articleId)
+}
+
+// AddTopicFavorite 收藏主题
+func (s *favoriteService) AddTopicFavorite(userId, topicId int64) error {
+	topic := repositories.TopicRepository.Get(sqls.DB(), topicId)
+	if topic == nil || topic.Status != constants.StatusOk {
+		return errors.New("收藏的话题不存在")
+	}
+	return s.addFavorite(userId, constants.EntityTopic, topicId)
+}
+
+func (s *favoriteService) addFavorite(userId int64, entityType string, entityId int64) error {
+	if s.IsFavorited(userId, entityType, entityId) { // 已经收藏
+		return nil
+	}
+	if err := repositories.FavoriteRepository.Create(sqls.DB(), &models.Favorite{
+		UserId:     userId,
+		EntityType: entityType,
+		EntityId:   entityId,
+		CreateTime: dates.NowTimestamp(),
+	}); err != nil {
+		return err
+	}
+
+	// 发送事件
+	event.Send(event.UserFavoriteEvent{
+		UserId:     userId,
+		EntityId:   entityId,
+		EntityType: entityType,
+	})
+	return nil
+}