Enhance comment functionality with image support and validation.

This commit is contained in:
2025-06-24 12:00:48 +08:00
parent b818777a45
commit 953b1cf86a
12 changed files with 469 additions and 88 deletions

View File

@@ -0,0 +1,53 @@
import { Image } from "../network/models.ts";
import { network } from "../network/network.ts";
export function SquareImage({ image }: { image: Image }) {
let cover = false;
const imgAspectRatio = image.width / image.height;
if (imgAspectRatio > 0.8 && imgAspectRatio < 1.2) {
cover = true;
}
return (
<>
<div
className="aspect-square bg-base-200 rounded-lg cursor-pointer"
onClick={() => {
const dialog = document.getElementById(
`image-dialog-${image.id}`,
) as HTMLDialogElement;
dialog.showModal();
}}
>
<img
src={network.getImageUrl(image.id)}
alt={"image"}
className={`w-full h-full rounded-lg ${cover ? "object-cover" : "object-contain"}`}
/>
</div>
<dialog id={`image-dialog-${image.id}`} className="modal">
<div
className={"w-screen h-screen flex items-center justify-center"}
onClick={() => {
const dialog = document.getElementById(
`image-dialog-${image.id}`,
) as HTMLDialogElement;
dialog.close();
}}
>
<img
src={network.getImageUrl(image.id)}
alt={"image"}
className={`object-contain max-w-screen max-h-screen modal-box`}
style={{
padding: 0,
margin: 0,
backgroundColor: "transparent",
boxShadow: "none",
}}
/>
</div>
</dialog>
</>
);
}

View File

@@ -1,9 +1,11 @@
export default function showToast({
message,
type,
parent,
}: {
message: string;
type?: "success" | "error" | "warning" | "info";
parent?: HTMLElement | null;
}) {
type = type || "info";
const div = document.createElement("div");
@@ -13,7 +15,11 @@ export default function showToast({
<span>${message}</span>
</div>
</div>`;
if (parent) {
parent.appendChild(div);
} else {
document.body.appendChild(div);
}
setTimeout(() => {
div.remove();
}, 3000);

View File

@@ -111,6 +111,7 @@ export interface Comment {
content: string;
created_at: string;
user: User;
images: Image[];
}
export interface CommentWithResource {

View File

@@ -925,11 +925,12 @@ class Network {
async createComment(
resourceID: number,
content: string,
images: number[],
): Promise<Response<any>> {
try {
const response = await axios.postForm(
const response = await axios.post(
`${this.apiBaseUrl}/comments/${resourceID}`,
{ content },
{ content, images },
);
return response.data;
} catch (e: any) {
@@ -941,11 +942,12 @@ class Network {
async updateComment(
commentID: number,
content: string,
images: number[],
): Promise<Response<any>> {
try {
const response = await axios.putForm(
const response = await axios.put(
`${this.apiBaseUrl}/comments/${commentID}`,
{ content },
{ content, images },
);
return response.data;
} catch (e: any) {

View File

@@ -26,12 +26,14 @@ import {
MdAdd,
MdArrowDownward,
MdArrowUpward,
MdClose,
MdOutlineArticle,
MdOutlineComment,
MdOutlineDataset,
MdOutlineDelete,
MdOutlineDownload,
MdOutlineEdit,
MdOutlineImage,
MdOutlineOpenInNew,
} from "react-icons/md";
import { app } from "../app.ts";
@@ -45,6 +47,7 @@ import Button from "../components/button.tsx";
import Badge, { BadgeAccent } from "../components/badge.tsx";
import Input, { TextArea } from "../components/input.tsx";
import { useAppContext } from "../components/AppContext.tsx";
import { SquareImage } from "../components/image.tsx";
export default function ResourcePage() {
const params = useParams();
@@ -1131,23 +1134,45 @@ function UpdateFileInfoDialog({ file }: { file: RFile }) {
function Comments({ resourceId }: { resourceId: number }) {
const [page, setPage] = useState(1);
const [maxPage, setMaxPage] = useState(0);
const [listKey, setListKey] = useState(0);
const [commentContent, setCommentContent] = useState("");
const [isLoading, setLoading] = useState(false);
const { t } = useTranslation();
const reload = useCallback(() => {
setPage(1);
setMaxPage(0);
setListKey((prev) => prev + 1);
}, []);
return (
<div>
<CommentInput resourceId={resourceId} reload={reload} />
<CommentsList
resourceId={resourceId}
page={page}
maxPageCallback={setMaxPage}
key={listKey}
/>
{maxPage ? (
<div className={"w-full flex justify-center"}>
<Pagination page={page} setPage={setPage} totalPages={maxPage} />
</div>
) : null}
</div>
);
}
function CommentInput({
resourceId,
reload,
}: {
resourceId: number;
reload: () => void;
}) {
const [commentContent, setCommentContent] = useState("");
const [isLoading, setLoading] = useState(false);
const [images, setImages] = useState<File[]>([]);
const { t } = useTranslation();
const sendComment = async () => {
if (isLoading) {
return;
@@ -1160,9 +1185,25 @@ function Comments({ resourceId }: { resourceId: number }) {
return;
}
setLoading(true);
const res = await network.createComment(resourceId, commentContent);
const imageIds: number[] = [];
for (const image of images) {
const res = await network.uploadImage(image);
if (res.success) {
imageIds.push(res.data!);
} else {
showToast({ message: res.message, type: "error" });
setLoading(false);
return;
}
}
const res = await network.createComment(
resourceId,
commentContent,
imageIds,
);
if (res.success) {
setCommentContent("");
setImages([]);
showToast({
message: t("Comment created successfully"),
type: "success",
@@ -1174,17 +1215,79 @@ function Comments({ resourceId }: { resourceId: number }) {
setLoading(false);
};
const handleAddImage = () => {
const input = document.createElement("input");
input.type = "file";
input.accept = "image/*";
input.multiple = true;
input.onchange = (e) => {
const files = (e.target as HTMLInputElement).files;
if ((files?.length ?? 0) + images.length > 9) {
showToast({
message: t("You can only upload up to 9 images"),
type: "error",
});
return;
}
if (files) {
setImages((prev) => [...prev, ...Array.from(files)]);
}
};
input.click();
};
if (!app.isLoggedIn()) {
return (
<div>
{app.isLoggedIn() ? (
<div className={"mt-4 mb-6 textarea w-full p-4 h-40 flex flex-col"}>
<InfoAlert
message={t("You need to log in to comment")}
className={"my-4 alert-info"}
/>
);
}
return (
<div className={"mt-4 mb-6 textarea w-full p-4 flex flex-col"}>
<textarea
placeholder={t("Write down your comment")}
className={"w-full resize-none grow"}
className={"w-full resize-none grow h-40"}
value={commentContent}
onChange={(e) => setCommentContent(e.target.value)}
/>
<div className={"flex flex-row-reverse"}>
{images.length > 0 && (
<div
className={
"grid grid-cols-3 sm:grid-cols-5 md:grid-cols-6 lg:grid-cols-8 gap-2 my-2"
}
>
{images.map((image, index) => (
<div key={index} className={"relative"}>
<img
src={URL.createObjectURL(image)}
alt={`comment-image-${index}`}
className={"rounded-lg aspect-square object-cover"}
/>
<button
className={
"btn btn-xs btn-circle btn-error absolute top-1 right-1"
}
onClick={() => {
setImages((prev) => prev.filter((_, i) => i !== index));
}}
>
<MdClose size={14} />
</button>
</div>
))}
</div>
)}
<div className={"flex"}>
<button
className={"btn btn-ghost btn-sm btn-circle"}
onClick={handleAddImage}
>
<MdOutlineImage size={18} />
</button>
<span className={"grow"} />
<button
onClick={sendComment}
className={`btn btn-primary h-8 text-sm mx-2 ${commentContent === "" && "btn-disabled"}`}
@@ -1192,28 +1295,10 @@ function Comments({ resourceId }: { resourceId: number }) {
{isLoading ? (
<span className={"loading loading-spinner loading-sm"}></span>
) : null}
Submit
{t("Submit")}
</button>
</div>
</div>
) : (
<InfoAlert
message={t("You need to log in to comment")}
className={"my-4 alert-info"}
/>
)}
<CommentsList
resourceId={resourceId}
page={page}
maxPageCallback={setMaxPage}
key={listKey}
/>
{maxPage ? (
<div className={"w-full flex justify-center"}>
<Pagination page={page} setPage={setPage} totalPages={maxPage} />
</div>
) : null}
</div>
);
}
@@ -1313,6 +1398,15 @@ function CommentTile({ comment }: { comment: Comment }) {
</div>
)}
</div>
<div
className={
"grid grid-cols-3 sm:grid-cols-5 md:grid-cols-6 lg:grid-cols-8 gap-2 p-2"
}
>
{comment.images.map((image) => (
<SquareImage key={image.id} image={image} />
))}
</div>
{app.user?.id === comment.user.id && (
<div className={"flex flex-row-reverse"}>
<DeleteCommentDialog commentId={comment.id} />
@@ -1397,13 +1491,33 @@ function EditCommentDialog({ comment }: { comment: Comment }) {
const [content, setContent] = useState(comment.content);
const { t } = useTranslation();
const reload = useContext(context);
const [existingImages, setExistingImages] = useState(comment.images);
const [newImages, setNewImages] = useState<File[]>([]);
const handleUpdate = async () => {
if (isLoading) {
return;
}
setLoading(true);
const res = await network.updateComment(comment.id, content);
const imageIds: number[] = [];
for (const existingImage of existingImages) {
imageIds.push(existingImage.id);
}
for (const newImage of newImages) {
const res = await network.uploadImage(newImage);
if (res.success) {
imageIds.push(res.data!);
} else {
showToast({
message: res.message,
type: "error",
parent: document.getElementById(`dialog_box`),
});
setLoading(false);
return;
}
}
const res = await network.updateComment(comment.id, content, imageIds);
const dialog = document.getElementById(
`edit_comment_dialog_${comment.id}`,
) as HTMLDialogElement;
@@ -1415,7 +1529,11 @@ function EditCommentDialog({ comment }: { comment: Comment }) {
});
reload();
} else {
showToast({ message: res.message, type: "error" });
showToast({
message: res.message,
type: "error",
parent: document.getElementById(`dialog_box`),
});
}
setLoading(false);
};
@@ -1435,13 +1553,90 @@ function EditCommentDialog({ comment }: { comment: Comment }) {
{t("Edit")}
</button>
<dialog id={`edit_comment_dialog_${comment.id}`} className="modal">
<div className="modal-box">
<div className="modal-box" id={"dialog_box"}>
<h3 className="font-bold text-lg">{t("Edit Comment")}</h3>
<TextArea
label={t("Content")}
value={content}
onChange={(e) => setContent(e.target.value)}
/>
<div className={"flex flex-col my-2"}>
<p className={"text-sm font-bold mb-2"}>{t("Images")}</p>
<div className={"grid grid-cols-4 sm:grid-cols-5 gap-2"}>
{existingImages.map((image) => (
<div key={image.id} className={"relative"}>
<SquareImage image={image} />
<button
className={
"btn btn-xs btn-circle btn-error absolute top-1 right-1"
}
onClick={() => {
setExistingImages((prev) =>
prev.filter((i) => i.id !== image.id),
);
}}
>
<MdClose size={14} />
</button>
</div>
))}
{newImages.map((image, index) => (
<div key={index} className={"relative"}>
<img
src={URL.createObjectURL(image)}
alt={`comment-image-${index}`}
className={"rounded-lg aspect-square object-cover"}
/>
<button
className={
"btn btn-xs btn-circle btn-error absolute top-1 right-1"
}
onClick={() => {
setNewImages((prev) =>
prev.filter((_, i) => i !== index),
);
}}
>
<MdClose size={14} />
</button>
</div>
))}
</div>
<div className={"flex"}>
<button
className={"btn btn-sm mt-2"}
onClick={() => {
const input = document.createElement("input");
input.type = "file";
input.accept = "image/*";
input.multiple = true;
input.onchange = (e) => {
const files = (e.target as HTMLInputElement).files;
if (
(files?.length ?? 0) +
existingImages.length +
newImages.length >
9
) {
showToast({
message: t("You can only upload up to 9 images"),
type: "error",
parent: document.getElementById(`dialog_box`),
});
return;
}
if (files) {
setNewImages((prev) => [...prev, ...Array.from(files)]);
}
};
input.click();
}}
>
<MdAdd size={18} />
{t("Add")}
</button>
</div>
</div>
<div className="modal-action">
<form method="dialog">
<button className="btn btn-ghost">{t("Close")}</button>
@@ -1450,7 +1645,7 @@ function EditCommentDialog({ comment }: { comment: Comment }) {
{isLoading ? (
<span className={"loading loading-spinner loading-sm"}></span>
) : null}
{t("Update")}
{t("Submit")}
</button>
</div>
</div>

View File

@@ -28,11 +28,17 @@ func createComment(c fiber.Ctx) error {
if err != nil {
return model.NewRequestError("Invalid resource ID")
}
content := c.FormValue("content")
if content == "" {
var req service.CommentRequest
if err := c.Bind().JSON(&req); err != nil {
return model.NewRequestError("Invalid request format")
}
if req.Content == "" {
return model.NewRequestError("Content cannot be empty")
}
comment, err := service.CreateComment(content, userID, uint(resourceID))
comment, err := service.CreateComment(req, userID, uint(resourceID))
if err != nil {
return err
}
@@ -102,11 +108,17 @@ func updateComment(c fiber.Ctx) error {
if err != nil {
return model.NewRequestError("Invalid comment ID")
}
content := c.FormValue("content")
if content == "" {
var req service.CommentRequest
if err := c.Bind().JSON(&req); err != nil {
return model.NewRequestError("Invalid request format")
}
if req.Content == "" {
return model.NewRequestError("Content cannot be empty")
}
comment, err := service.UpdateComment(uint(commentID), userID, content)
comment, err := service.UpdateComment(uint(commentID), userID, req)
if err != nil {
return err
}

View File

@@ -19,7 +19,8 @@ func handleUploadImage(c fiber.Ctx) error {
if !strings.HasPrefix(contentType, "image/") {
return model.NewRequestError("Invalid image format")
}
id, err := service.CreateImage(uid, data)
ip := c.IP()
id, err := service.CreateImage(uid, ip, data)
if err != nil {
return err
}

View File

@@ -6,7 +6,7 @@ import (
"gorm.io/gorm"
)
func CreateComment(content string, userID uint, resourceID uint) (model.Comment, error) {
func CreateComment(content string, userID uint, resourceID uint, imageIDs []uint) (model.Comment, error) {
var comment model.Comment
err := db.Transaction(func(tx *gorm.DB) error {
comment = model.Comment{
@@ -17,6 +17,20 @@ func CreateComment(content string, userID uint, resourceID uint) (model.Comment,
if err := tx.Create(&comment).Error; err != nil {
return err
}
// 关联图片
if len(imageIDs) > 0 {
// 查找所有指定的图片
var images []model.Image
if err := tx.Where("id IN ?", imageIDs).Find(&images).Error; err != nil {
return err
}
// 建立关联关系
if err := tx.Model(&comment).Association("Images").Replace(images); err != nil {
return err
}
}
if err := tx.Model(&model.User{}).Where("id = ?", userID).Update("comments_count", gorm.Expr("comments_count + 1")).Error; err != nil {
return err
}
@@ -25,6 +39,9 @@ func CreateComment(content string, userID uint, resourceID uint) (model.Comment,
if err != nil {
return model.Comment{}, err
}
// 重新加载评论以获取关联的图片
db.Preload("Images").Where("id = ?", comment.ID).First(&comment)
return comment, nil
}
@@ -36,7 +53,7 @@ func GetCommentByResourceID(resourceID uint, page, pageSize int) ([]model.Commen
return nil, 0, err
}
if err := db.Where("resource_id = ?", resourceID).Offset((page - 1) * pageSize).Limit(pageSize).Preload("User").Order("created_at DESC").Find(&comments).Error; err != nil {
if err := db.Where("resource_id = ?", resourceID).Offset((page - 1) * pageSize).Limit(pageSize).Preload("User").Preload("Images").Order("created_at DESC").Find(&comments).Error; err != nil {
return nil, 0, err
}
@@ -56,7 +73,7 @@ func GetCommentsWithUser(username string, page, pageSize int) ([]model.Comment,
if err := db.Model(&model.Comment{}).Where("user_id = ?", user.ID).Count(&total).Error; err != nil {
return nil, 0, err
}
if err := db.Where("user_id = ?", user.ID).Offset((page - 1) * pageSize).Limit(pageSize).Preload("User").Preload("Resource").Order("created_at DESC").Find(&comments).Error; err != nil {
if err := db.Where("user_id = ?", user.ID).Offset((page - 1) * pageSize).Limit(pageSize).Preload("User").Preload("Resource").Preload("Images").Order("created_at DESC").Find(&comments).Error; err != nil {
return nil, 0, err
}
totalPages := (int(total) + pageSize - 1) / pageSize
@@ -65,22 +82,43 @@ func GetCommentsWithUser(username string, page, pageSize int) ([]model.Comment,
func GetCommentByID(commentID uint) (*model.Comment, error) {
var comment model.Comment
if err := db.Preload("User").Preload("Resource").First(&comment, commentID).Error; err != nil {
if err := db.Preload("User").Preload("Resource").Preload("Images").First(&comment, commentID).Error; err != nil {
return nil, err
}
return &comment, nil
}
func UpdateCommentContent(commentID uint, content string) (*model.Comment, error) {
func UpdateCommentContent(commentID uint, content string, imageIDs []uint) (*model.Comment, error) {
var comment model.Comment
if err := db.First(&comment, commentID).Error; err != nil {
return nil, err
err := db.Transaction(func(tx *gorm.DB) error {
if err := tx.First(&comment, commentID).Error; err != nil {
return err
}
comment.Content = content
if err := db.Save(&comment).Error; err != nil {
if err := tx.Save(&comment).Error; err != nil {
return err
}
// 更新图片关联
if imageIDs != nil {
// 查找所有指定的图片
var images []model.Image
if err := tx.Where("id IN ?", imageIDs).Find(&images).Error; err != nil {
return err
}
// 替换关联关系
if err := tx.Model(&comment).Association("Images").Replace(images); err != nil {
return err
}
}
return nil
})
if err != nil {
return nil, err
}
db.Preload("User").First(&comment, commentID)
// 重新加载评论以获取关联的图片和用户信息
db.Preload("User").Preload("Images").First(&comment, commentID)
return &comment, nil
}
@@ -90,6 +128,12 @@ func DeleteCommentByID(commentID uint) error {
if err := tx.First(&comment, commentID).Error; err != nil {
return err
}
// 清除图片关联
if err := tx.Model(&comment).Association("Images").Clear(); err != nil {
return err
}
if err := tx.Delete(&comment).Error; err != nil {
return err
}

View File

@@ -2,10 +2,8 @@ package dao
import (
"errors"
"nysoure/server/model"
"time"
"gorm.io/gorm"
"nysoure/server/model"
)
func CreateImage(name string, width, height int) (model.Image, error) {
@@ -42,10 +40,11 @@ func DeleteImage(id uint) error {
func GetUnusedImages() ([]model.Image, error) {
// Retrieve all images that are not used in any post
var images []model.Image
oneDayAgo := time.Now().Add(-24 * time.Hour)
// oneDayAgo := time.Now().Add(-24 * time.Hour)
if err := db.
Where("NOT EXISTS (SELECT 1 FROM resource_images WHERE image_id = images.id)").
Where("created_at < ?", oneDayAgo).
Where("NOT EXISTS (SELECT 1 FROM comment_images WHERE image_id = images.id)").
// Where("created_at < ?", oneDayAgo).
Find(&images).Error; err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return nil, nil

View File

@@ -13,6 +13,7 @@ type Comment struct {
UserID uint `gorm:"not null"`
User User `gorm:"foreignKey:UserID"`
Resource Resource `gorm:"foreignKey:ResourceID"`
Images []Image `gorm:"many2many:comment_images;"`
}
type CommentView struct {
@@ -20,14 +21,21 @@ type CommentView struct {
Content string `json:"content"`
CreatedAt time.Time `json:"created_at"`
User UserView `json:"user"`
Images []ImageView `json:"images"`
}
func (c *Comment) ToView() *CommentView {
imageViews := make([]ImageView, 0, len(c.Images))
for _, img := range c.Images {
imageViews = append(imageViews, img.ToView())
}
return &CommentView{
ID: c.ID,
Content: c.Content,
CreatedAt: c.CreatedAt,
User: c.User.ToView(),
Images: imageViews,
}
}
@@ -37,14 +45,21 @@ type CommentWithResourceView struct {
CreatedAt time.Time `json:"created_at"`
Resource ResourceView `json:"resource"`
User UserView `json:"user"`
Images []ImageView `json:"images"`
}
func (c *Comment) ToViewWithResource() *CommentWithResourceView {
imageViews := make([]ImageView, 0, len(c.Images))
for _, img := range c.Images {
imageViews = append(imageViews, img.ToView())
}
return &CommentWithResourceView{
ID: c.ID,
Content: c.Content,
CreatedAt: c.CreatedAt,
Resource: c.Resource.ToView(),
User: c.User.ToView(),
Images: imageViews,
}
}

View File

@@ -7,7 +7,19 @@ import (
"github.com/gofiber/fiber/v3/log"
)
func CreateComment(content string, userID uint, resourceID uint) (*model.CommentView, error) {
const (
maxImagePerComment = 9
)
type CommentRequest struct {
Content string `json:"content"`
Images []uint `json:"images"`
}
func CreateComment(req CommentRequest, userID uint, resourceID uint) (*model.CommentView, error) {
if len(req.Images) > maxImagePerComment {
return nil, model.NewRequestError("Too many images, maximum is 9")
}
resourceExists, err := dao.ExistsResource(resourceID)
if err != nil {
log.Error("Error checking resource existence:", err)
@@ -24,7 +36,7 @@ func CreateComment(content string, userID uint, resourceID uint) (*model.Comment
if !userExists {
return nil, model.NewNotFoundError("User not found")
}
c, err := dao.CreateComment(content, userID, resourceID)
c, err := dao.CreateComment(req.Content, userID, resourceID, req.Images)
if err != nil {
log.Error("Error creating comment:", err)
return nil, model.NewInternalServerError("Error creating comment")
@@ -70,7 +82,10 @@ func ListCommentsWithUser(username string, page int) ([]model.CommentWithResourc
return res, totalPages, nil
}
func UpdateComment(commentID, userID uint, content string) (*model.CommentView, error) {
func UpdateComment(commentID, userID uint, req CommentRequest) (*model.CommentView, error) {
if len(req.Images) > maxImagePerComment {
return nil, model.NewRequestError("Too many images, maximum is 9")
}
comment, err := dao.GetCommentByID(commentID)
if err != nil {
return nil, model.NewNotFoundError("Comment not found")
@@ -78,7 +93,7 @@ func UpdateComment(commentID, userID uint, content string) (*model.CommentView,
if comment.UserID != userID {
return nil, model.NewRequestError("You can only update your own comments")
}
updated, err := dao.UpdateCommentContent(commentID, content)
updated, err := dao.UpdateCommentContent(commentID, req.Content, req.Images)
if err != nil {
return nil, model.NewInternalServerError("Error updating comment")
}

View File

@@ -11,6 +11,7 @@ import (
"nysoure/server/utils"
"os"
"strconv"
"sync"
"time"
"github.com/gofiber/fiber/v3/log"
@@ -53,14 +54,51 @@ func init() {
}()
}
func CreateImage(uid uint, data []byte) (uint, error) {
var (
imageUploadsByIP = make(map[string]uint)
imageUploadsLock = sync.RWMutex{}
)
const maxUploadsPerIP = 100
func init() {
// Initialize the map with a cleanup function to remove old entries
go func() {
for {
time.Sleep(24 * time.Hour) // Cleanup every 24 hours
imageUploadsLock.Lock()
imageUploadsByIP = make(map[string]uint) // Clear the map
imageUploadsLock.Unlock()
}
}()
}
func addIpUploadCount(ip string) bool {
imageUploadsLock.Lock()
defer imageUploadsLock.Unlock()
count, exists := imageUploadsByIP[ip]
if !exists {
count = 0
}
if count >= maxUploadsPerIP {
return false // Exceeded upload limit for this IP
}
imageUploadsByIP[ip] = count + 1
return true // Upload count incremented successfully
}
func CreateImage(uid uint, ip string, data []byte) (uint, error) {
canUpload, err := checkUserCanUpload(uid)
if err != nil {
log.Error("Error checking user upload permission:", err)
return 0, model.NewInternalServerError("Error checking user upload permission")
}
if !canUpload {
return 0, model.NewUnAuthorizedError("User cannot upload images")
// For a normal user, check the IP upload limit
if !addIpUploadCount(ip) {
return 0, model.NewUnAuthorizedError("You have reached the maximum upload limit")
}
}
if len(data) == 0 {