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Prevent duplicate submissions with guard flags #899

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Prevent duplicate submissions with guard flags #899

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d7d74f2
Initial plan
Copilot Feb 7, 2026
cb60e33
Add submission flags to prevent multiple submissions
Copilot Feb 7, 2026
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25 changes: 25 additions & 0 deletions XMOJ.user.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2667,11 +2667,17 @@ async function main() {
ErrorMessage.innerText = "提交失败！请关闭脚本后重试！";
Submit.disabled = false;
Submit.value = "提交";
isSubmitting = false;
}
})
});

let isSubmitting = false;
Submit.addEventListener("click", async () => {
if (isSubmitting) {
return;
}
isSubmitting = true;
PassCheck.style.display = "none";
ErrorElement.style.display = "none";
document.querySelector("#Submit").disabled = true;
Expand Down Expand Up @@ -2721,6 +2727,7 @@ async function main() {
freopenCodeField.setSize("100%", "auto");
document.querySelector("#Submit").disabled = false;
document.querySelector("#Submit").value = "提交";
isSubmitting = false;
return false;
} else if (RegExp("//.*freopen").test(Source)) {
PassCheck.style.display = "";
Expand All @@ -2729,6 +2736,7 @@ async function main() {
ErrorMessage.innerText = "请不要注释freopen语句";
document.querySelector("#Submit").disabled = false;
document.querySelector("#Submit").value = "提交";
isSubmitting = false;
return false;
}
}
Expand All @@ -2739,6 +2747,7 @@ async function main() {
ErrorMessage.innerText = "源代码为空";
document.querySelector("#Submit").disabled = false;
document.querySelector("#Submit").value = "提交";
isSubmitting = false;
return false;
}
if (UtilityEnabled("CompileError")) {
Expand All @@ -2761,6 +2770,7 @@ async function main() {
ErrorMessage.innerText = "编译错误：\n" + Response.stderr.trim();
document.querySelector("#Submit").disabled = false;
document.querySelector("#Submit").value = "提交";
isSubmitting = false;
return false;
} else {
PassCheck.click();
Expand Down Expand Up @@ -4378,22 +4388,30 @@ int main()
}
}
});
let isSubmittingPost = false;
SubmitElement.addEventListener("click", async () => {
if (isSubmittingPost) {
return;
}
isSubmittingPost = true;
ErrorElement.style.display = "none";
let Title = TitleElement.value;
let Content = ContentElement.value;
let ProblemID = parseInt(SearchParams.get("pid"));
if (Title === "") {
TitleElement.classList.add("is-invalid");
isSubmittingPost = false;
return;
}
if (Content === "") {
ContentElement.classList.add("is-invalid");
isSubmittingPost = false;
return;
}
if (document.querySelector("#Board input:checked") === null) {
ErrorElement.innerText = "请选择要发布的板块";
ErrorElement.style.display = "block";
isSubmittingPost = false;
return;
}
SubmitElement.disabled = true;
Expand All @@ -4407,6 +4425,7 @@ int main()
}, (ResponseData) => {
SubmitElement.disabled = false;
SubmitElement.children[0].style.display = "none";
isSubmittingPost = false;
if (ResponseData.Success == true) {
location.href = "https://www.xmoj.tech/discuss3/thread.php?tid=" + ResponseData.Data.PostID;
} else {
Expand Down Expand Up @@ -4897,7 +4916,12 @@ int main()
}
});
});
let isSubmittingReply = false;
SubmitElement.addEventListener("click", async () => {
if (isSubmittingReply) {
return;
}
isSubmittingReply = true;
ErrorElement.style.display = "none";
SubmitElement.disabled = true;
SubmitElement.children[0].style.display = "inline-block";
Expand All @@ -4908,6 +4932,7 @@ int main()
}, async (ResponseData) => {
SubmitElement.disabled = false;
SubmitElement.children[0].style.display = "none";
isSubmittingReply = false;
if (ResponseData.Success == true) {
RefreshReply();
ContentElement.value = "";
Expand Down