// RetrieveLocation retrieves a location.
func RetrieveLocation(c *gin.Context) (model.Location, bool, int64, int, error) {
var location model.Location
var currentUserId int64
isAuthor := false
id := c.Params.ByName("id")
if db.ORM.First(&location, "id = ?", id).RecordNotFound() {
return location, isAuthor, currentUserId, http.StatusNotFound, errors.New("Location is not found.")
}
currentUser, err := userService.CurrentUser(c)
if err == nil {
currentUserId = currentUser.Id
isAuthor = currentUser.Id == location.UserId
}
assignRelatedUser(&location)
var commentList model.CommentList
comments, currentPage, hasPrev, hasNext, _ := commentService.RetrieveComments(location)
commentList.Comments = comments
commentService.SetCommentPageMeta(&commentList, currentPage, hasPrev, hasNext, location.CommentCount)
location.CommentList = commentList
var likingList model.LikingList
likings, currentPage, hasPrev, hasNext, _ := likingRetriever.RetrieveLikings(location)
likingList.Likings = likings
currentUserlikedCount := db.ORM.Model(&location).Where("id =?", currentUserId).Association("Likings").Count()
log.Debugf("Current user like count : %d", currentUserlikedCount)
likingMeta.SetLikingPageMeta(&likingList, currentPage, hasPrev, hasNext, location.LikingCount, currentUserlikedCount)
location.LikingList = likingList
return location, isAuthor, currentUserId, http.StatusOK, nil
}
// RetrieveArticle retrieve an article.
func RetrieveArticle(c *gin.Context) (model.Article, bool, int64, int, error) {
var article model.Article
var count int
var currentUserId int64
var isAuthor bool
id := c.Params.ByName("id")
if db.ORM.First(&article, "id = ?", id).RecordNotFound() {
return article, isAuthor, currentUserId, http.StatusNotFound, errors.New("Article is not found.")
}
log.Debugf("Article : %s\n", article)
log.Debugf("Count : %s\n", count)
currentUser, err := userService.CurrentUser(c)
if err == nil {
currentUserId = currentUser.Id
isAuthor = currentUser.Id == article.UserId
}
assignRelatedUser(&article)
var commentList model.CommentList
comments, currentPage, hasPrev, hasNext, _ := commentService.RetrieveComments(article)
commentList.Comments = comments
commentService.SetCommentPageMeta(&commentList, currentPage, hasPrev, hasNext, article.CommentCount)
article.CommentList = commentList
var likingList model.LikingList
likings, currentPage, hasPrev, hasNext, _ := likingRetriever.RetrieveLikings(article)
likingList.Likings = likings
currentUserlikedCount := db.ORM.Model(&article).Where("id =?", currentUserId).Association("Likings").Count()
log.Debugf("Current user like count : %d", currentUserlikedCount)
likingMeta.SetLikingPageMeta(&likingList, currentPage, hasPrev, hasNext, article.LikingCount, currentUserlikedCount)
article.LikingList = likingList
return article, isAuthor, currentUserId, http.StatusOK, nil
}
// SetCommentPageMeta set comment's page meta.
func SetCommentPageMeta(commentList *model.CommentList, currentPage int, hasPrev bool, hasNext bool, count int) {
if len(commentList.Comments) == 0 {
commentList.Comments = make([]model.Comment, 0)
}
commentList.CurrentPage = currentPage
commentList.HasPrev = hasPrev
commentList.HasNext = hasNext
commentList.Count = count
}