实现文章与分组管理

2026-06-01 15:31:25 +08:00
parent 32e56b1a0f
commit 0dfbbe5939
15 changed files with 1554 additions and 3 deletions
--- a/web/services/article_group.go
+++ b/web/services/article_group.go
@@ -0,0 +1,128 @@
+package services
+
+import (
+	"errors"
+	"platform/pkg/u"
+	"platform/web/core"
+	m "platform/web/models"
+	q "platform/web/queries"
+	"time"
+
+	"gorm.io/gen/field"
+	"gorm.io/gorm"
+)
+
+var ArticleGroup = &articleGroupService{}
+
+type articleGroupService struct{}
+
+func (s *articleGroupService) All() (result []*m.ArticleGroup, err error) {
+	return q.ArticleGroup.
+		Order(q.ArticleGroup.Sort, q.ArticleGroup.CreatedAt).
+		Find()
+}
+
+func (s *articleGroupService) Page(req *PageArticleGroupReq) (result []*m.ArticleGroup, count int64, err error) {
+	do := q.ArticleGroup.Where()
+	if req.Keyword != nil && *req.Keyword != "" {
+		do = do.Where(
+			q.ArticleGroup.Where(
+				q.ArticleGroup.Name.Like("%" + *req.Keyword + "%"),
+			).Or(
+				q.ArticleGroup.Code.Like("%" + *req.Keyword + "%"),
+			),
+		)
+	}
+	if req.Status != nil {
+		do = do.Where(q.ArticleGroup.Status.Eq(int(*req.Status)))
+	}
+
+	return q.ArticleGroup.
+		Where(do).
+		Order(q.ArticleGroup.Sort, q.ArticleGroup.CreatedAt).
+		FindByPage(req.GetOffset(), req.GetLimit())
+}
+
+type PageArticleGroupReq struct {
+	core.PageReq
+	Keyword *string               `json:"keyword,omitempty"`
+	Status  *m.ArticleGroupStatus `json:"status,omitempty"`
+}
+
+func (s *articleGroupService) Create(data CreateArticleGroupData) error {
+	err := q.ArticleGroup.Create(&m.ArticleGroup{
+		Name:   data.Name,
+		Code:   data.Code,
+		Sort:   u.Else(data.Sort, 0),
+		Status: u.Else(data.Status, m.ArticleGroupStatusEnabled),
+	})
+	if errors.Is(err, gorm.ErrDuplicatedKey) {
+		return core.NewBizErr("文档分组编码已存在")
+	}
+	return err
+}
+
+type CreateArticleGroupData struct {
+	Name   string                `json:"name" validate:"required"`
+	Code   string                `json:"code" validate:"required"`
+	Sort   *int32                `json:"sort"`
+	Status *m.ArticleGroupStatus `json:"status"`
+}
+
+func (s *articleGroupService) Update(data UpdateArticleGroupData) error {
+	do := make([]field.AssignExpr, 0)
+	if data.Name != nil {
+		do = append(do, q.ArticleGroup.Name.Value(*data.Name))
+	}
+	if data.Code != nil {
+		do = append(do, q.ArticleGroup.Code.Value(*data.Code))
+	}
+	if data.Sort != nil {
+		do = append(do, q.ArticleGroup.Sort.Value(*data.Sort))
+	}
+	if data.Status != nil {
+		do = append(do, q.ArticleGroup.Status.Value(int(*data.Status)))
+	}
+	if len(do) == 0 {
+		return nil
+	}
+
+	r, err := q.ArticleGroup.Where(q.ArticleGroup.ID.Eq(data.ID)).UpdateSimple(do...)
+	if errors.Is(err, gorm.ErrDuplicatedKey) {
+		return core.NewBizErr("文档分组编码已存在")
+	}
+	if err != nil {
+		return err
+	}
+	if r.RowsAffected == 0 {
+		return core.NewBizErr("文档分组状态已过期")
+	}
+	return nil
+}
+
+type UpdateArticleGroupData struct {
+	ID     int32                 `json:"id" validate:"required"`
+	Name   *string               `json:"name"`
+	Code   *string               `json:"code"`
+	Sort   *int32                `json:"sort"`
+	Status *m.ArticleGroupStatus `json:"status"`
+}
+
+func (s *articleGroupService) Delete(id int32) error {
+	count, err := q.Article.Where(q.Article.GroupID.Eq(id)).Count()
+	if err != nil {
+		return err
+	}
+	if count > 0 {
+		return core.NewBizErr("分组下仍有关联文章，无法删除")
+	}
+
+	r, err := q.ArticleGroup.Where(q.ArticleGroup.ID.Eq(id)).UpdateColumn(q.ArticleGroup.DeletedAt, time.Now())
+	if err != nil {
+		return err
+	}
+	if r.RowsAffected == 0 {
+		return core.NewBizErr("文档分组状态已过期")
+	}
+	return nil
+}