feat: update post detail page

backend/app/http/posts.go

@@ -8,6 +8,7 @@ import (
 	"quyun/app/requests"
 	"quyun/database/fields"
 	"quyun/database/schemas/public/model"
+	"quyun/providers/ali"
 	"quyun/providers/wepay"
 
 	"github.com/go-pay/gopay/wechat/v3"
@@ -24,11 +25,7 @@ type ListQuery struct {
 // @provider
 type posts struct {
 	wepay *wepay.Client
-}
-
-type PostItem struct {
-	model.Posts
-	BoughtCount int64 `json:"bought_count"`
+	oss   *ali.OSSClient
 }
 
 // List posts
@@ -43,36 +40,90 @@ func (ctl *posts) List(ctx fiber.Ctx, pagination *requests.Pagination, query *Li
 		item.Content = ""
 		return item
 	})
+	if err != nil {
+		return nil, err
+	}
 
-	postIds := lo.Map(pager.Items.([]model.Posts), func(item model.Posts, _ int) int64 {
-		return item.ID
-	})
+	postIds := lo.Map(pager.Items.([]model.Posts), func(item model.Posts, _ int) int64 { return item.ID })
 	if len(postIds) > 0 {
-		postCntMap, err := models.Posts.BoughtStatistics(ctx.Context(), postIds)
-		if err != nil {
-			return pager, err
-		}
-
-		items := lo.Map(pager.Items.([]model.Posts), func(item model.Posts, _ int) PostItem {
-			cnt := int64(0)
-			if v, ok := postCntMap[item.ID]; ok {
-				cnt = v
+		items := lo.FilterMap(pager.Items.([]model.Posts), func(item model.Posts, _ int) (PostItem, bool) {
+			medias, err := models.Posts.GetMediaByIds(ctx.Context(), item.HeadImages.Data)
+			if err != nil {
+				log.Errorf("GetMediaByIds err: %v", err)
+				return PostItem{}, false
 			}
+			mediaUrls := lo.FilterMap(medias, func(item model.Medias, _ int) (string, bool) {
+				url, err := ctl.oss.GetSignedUrl(ctx.Context(), item.Path)
+				if err != nil {
+					return "", false
+				}
 
-			return PostItem{Posts: item, BoughtCount: cnt}
+				return url, true
+			})
+
+			return PostItem{
+				Title:       item.Title,
+				Description: item.Description,
+				Price:       item.Price,
+				Discount:    item.Discount,
+				Views:       item.Views,
+				Likes:       item.Likes,
+				Tags:        item.Tags.Data,
+				HeadImages:  mediaUrls,
+			}, true
 		})
 
 		pager.Items = items
 	}
 
-	return pager, err
+	return pager, nil
+}
+
+type PostItem struct {
+	Title       string   `json:"title"`
+	Description string   `json:"description"`
+	Content     string   `json:"content"`
+	Price       int64    `json:"price"`
+	Discount    int16    `json:"discount"`
+	Views       int64    `json:"views"`
+	Likes       int64    `json:"likes"`
+	Tags        []string `json:"tags"`
+	HeadImages  []string `json:"head_images"`
 }
 
 // Show
-// @Router			/api/posts/show/:id [get]
+// @Router			/api/posts/:id [get]
 // @Bind id path
-func (ctl *posts) Show(ctx fiber.Ctx, id int64) (*model.Posts, error) {
-	return models.Posts.GetByID(ctx.Context(), id)
+func (ctl *posts) Show(ctx fiber.Ctx, id int64) (*PostItem, error) {
+	post, err := models.Posts.GetByID(ctx.Context(), id)
+	if err != nil {
+		return nil, err
+	}
+
+	medias, err := models.Posts.GetMediaByIds(ctx.Context(), post.HeadImages.Data)
+	if err != nil {
+		return nil, err
+	}
+	mediaUrls := lo.FilterMap(medias, func(item model.Medias, _ int) (string, bool) {
+		url, err := ctl.oss.GetSignedUrl(ctx.Context(), item.Path)
+		if err != nil {
+			return "", false
+		}
+
+		return url, true
+	})
+
+	return &PostItem{
+		Title:       post.Title,
+		Description: post.Description,
+		Content:     post.Content,
+		Price:       post.Price,
+		Discount:    post.Discount,
+		Views:       post.Views,
+		Likes:       post.Likes,
+		Tags:        post.Tags.Data,
+		HeadImages:  mediaUrls,
+	}, nil
 }
 
 // Mine posts
@@ -89,7 +140,7 @@ func (ctl *posts) Mine(ctx fiber.Ctx, pagination *requests.Pagination, query *Li
 }
 
 // Buy
-// @Router			/api/posts/buy/:id [get]
+// @Router			/api/posts/:id/buy [get]
 // @Bind id path
 // @Bind user local
 func (ctl *posts) Buy(ctx fiber.Ctx, id int64, user *model.Users) (*wechat.JSAPIPayParams, error) {