feat(help-center): expose public portal show

internal/handler/api/v1/article_handler.go

@@ -65,6 +65,9 @@ func (h *ArticleHandler) PublicList(c *gin.Context) {
 		response.AbortWithStatusError(c, http.StatusInternalServerError, response.ErrInternal, "failed to list articles")
 		return
 	}
+	for i := range articles {
+		articles[i].Portal = *portal
+	}
 
 	c.JSON(http.StatusOK, gin.H{
 		"payload": publicArticlePayloads(articles, portal.Slug),
@@ -747,14 +750,38 @@ func publicPortalPayload(portal *model.Portal) gin.H {
 	if portal == nil {
 		return gin.H{}
 	}
-	return gin.H{
+	categories := make([]gin.H, 0, len(portal.Categories))
+	for i := range portal.Categories {
+		categories = append(categories, publicCategoryPayload(&portal.Categories[i]))
+	}
+	payload := gin.H{
 		"custom_domain": portal.CustomDomain,
 		"header_text":   portal.HeaderText,
 		"homepage_link": portal.HomepageLink,
 		"name":          portal.Name,
 		"page_title":    portal.PageTitle,
 		"slug":          portal.Slug,
+		"categories":    categories,
+		"meta": gin.H{
+			"articles_count":   publicPortalPublishedArticleCount(portal.Articles),
+			"categories_count": len(portal.Categories),
+			"default_locale":   portalDefaultLocale(portal),
+		},
 	}
+	if portal.LogoURL != "" {
+		payload["logo"] = gin.H{"file_url": portal.LogoURL, "portal_id": portal.ID, "account_id": portal.AccountID}
+	}
+	return payload
+}
+
+func publicPortalPublishedArticleCount(articles []model.Article) int {
+	count := 0
+	for _, article := range articles {
+		if article.Status == string(model.ArticleStatusPublished) {
+			count++
+		}
+	}
+	return count
 }
 
 func publicAuthorPayload(user *model.User) gin.H {