gorm pagination
func Paginate(r *http.Request) func(db *gorm.DB) *gorm.DB {
return func (db *gorm.DB) *gorm.DB {
page, _ := strconv.Atoi(r.Query("page"))
if page == 0 {
page = 1
}
pageSize, _ := strconv.Atoi(r.Query("page_size"))
switch {
case pageSize > 100:
pageSize = 100
case pageSize <= 0:
pageSize = 10
}
offset := (page - 1) * pageSize
return db.Offset(offset).Limit(pageSize)
}
}
db.Scopes(Paginate(r)).Find(&users)db.Scopes(Paginate(r)).Find(&articles)