296 lines
10 KiB
JavaScript
296 lines
10 KiB
JavaScript
const state = {
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adminKey: localStorage.getItem("oralTrainerAdminKey") || "",
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videos: [],
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};
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const elements = {
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adminKey: document.querySelector("#admin-key"),
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saveKey: document.querySelector("#save-key"),
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refresh: document.querySelector("#refresh"),
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serviceState: document.querySelector("#service-state"),
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uploadForm: document.querySelector("#upload-form"),
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uploadState: document.querySelector("#upload-state"),
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uploadProgress: document.querySelector("#upload-progress"),
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videoRows: document.querySelector("#video-rows"),
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videoCount: document.querySelector("#video-count"),
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emptyState: document.querySelector("#empty-state"),
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dialog: document.querySelector("#sentence-dialog"),
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sentenceTitle: document.querySelector("#sentence-title"),
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sentenceMeta: document.querySelector("#sentence-meta"),
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sentenceRows: document.querySelector("#sentence-rows"),
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closeDialog: document.querySelector("#close-dialog"),
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};
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elements.adminKey.value = state.adminKey;
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elements.saveKey.addEventListener("click", () => {
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state.adminKey = elements.adminKey.value;
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localStorage.setItem("oralTrainerAdminKey", state.adminKey);
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elements.serviceState.textContent = "密钥已保存";
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});
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elements.refresh.addEventListener("click", loadVideos);
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elements.closeDialog.addEventListener("click", () => elements.dialog.close());
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elements.uploadForm.addEventListener("submit", uploadVideo);
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async function api(path, options = {}) {
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const headers = new Headers(options.headers || {});
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if (state.adminKey) headers.set("X-Admin-Key", state.adminKey);
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const response = await fetch(path, { ...options, headers });
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if (!response.ok) {
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let detail = `HTTP ${response.status}`;
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try {
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const payload = await response.json();
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detail = typeof payload.detail === "string" ? payload.detail : JSON.stringify(payload.detail);
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} catch (_) {}
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throw new Error(detail);
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}
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return response.status === 204 ? null : response.json();
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}
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async function checkHealth() {
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try {
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const health = await api("/healthz");
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elements.serviceState.textContent = health.moss_configured ? "服务正常 / MOSS 已连接" : "服务正常 / MOSS 未配置";
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} catch (error) {
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elements.serviceState.textContent = `服务异常: ${error.message}`;
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}
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}
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async function loadVideos() {
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try {
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const payload = await api("/api/v1/videos");
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state.videos = payload.videos;
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renderVideos();
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} catch (error) {
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elements.serviceState.textContent = `加载失败: ${error.message}`;
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}
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}
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function renderVideos() {
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elements.videoRows.replaceChildren();
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elements.videoCount.textContent = `${state.videos.length} 个视频`;
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elements.emptyState.hidden = state.videos.length !== 0;
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for (const video of state.videos) {
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const row = document.createElement("tr");
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row.append(
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cellWithError(video.title, video.error_message),
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statusCell(video.status),
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textCell(formatDuration(video.duration_ms)),
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textCell(String(video.sentence_count)),
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textCell(formatBytes(video.size_bytes)),
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textCell(formatDate(video.updated_at)),
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actionCell(video),
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);
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elements.videoRows.append(row);
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}
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}
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function textCell(value) {
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const cell = document.createElement("td");
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cell.textContent = value;
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return cell;
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}
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function cellWithError(title, error) {
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const cell = textCell(title);
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if (error) {
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const message = document.createElement("div");
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message.className = "error-message";
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message.textContent = error;
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cell.append(message);
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}
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return cell;
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}
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function statusCell(status) {
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const cell = document.createElement("td");
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const label = document.createElement("span");
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label.className = `status status-${status}`;
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label.textContent = { uploaded: "已上传", processing: "处理中", ready: "可用", failed: "失败" }[status] || status;
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cell.append(label);
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return cell;
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}
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function actionCell(video) {
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const cell = document.createElement("td");
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const actions = document.createElement("div");
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actions.className = "actions";
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const play = document.createElement("a");
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play.href = video.stream_url;
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play.target = "_blank";
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play.rel = "noopener";
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play.textContent = "播放";
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actions.append(play);
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actions.append(button("句子", () => openSentences(video)));
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actions.append(button("重新处理", () => reprocess(video.video_hash)));
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const remove = button("删除", () => deleteVideo(video));
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remove.className = "danger";
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actions.append(remove);
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cell.append(actions);
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return cell;
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}
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function button(label, handler) {
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const result = document.createElement("button");
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result.type = "button";
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result.textContent = label;
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result.addEventListener("click", handler);
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return result;
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}
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function uploadVideo(event) {
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event.preventDefault();
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const file = document.querySelector("#video-file").files[0];
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if (!file) return;
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const title = document.querySelector("#video-title").value;
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const language = document.querySelector("#video-language").value;
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const query = new URLSearchParams({ filename: file.name });
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if (title) query.set("title", title);
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if (language) query.set("language", language);
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elements.uploadProgress.hidden = false;
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elements.uploadProgress.value = 0;
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elements.uploadState.textContent = "上传中";
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const request = new XMLHttpRequest();
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request.open("PUT", `/api/v1/admin/videos/raw?${query.toString()}`);
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if (state.adminKey) request.setRequestHeader("X-Admin-Key", state.adminKey);
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request.setRequestHeader("Content-Type", file.type || "application/octet-stream");
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request.upload.addEventListener("progress", (progress) => {
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if (progress.lengthComputable) elements.uploadProgress.value = progress.loaded / progress.total * 100;
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});
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request.addEventListener("load", async () => {
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if (request.status >= 200 && request.status < 300) {
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elements.uploadState.textContent = "上传完成，正在处理";
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elements.uploadForm.reset();
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await loadVideos();
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} else {
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elements.uploadState.textContent = `上传失败: ${readXhrError(request)}`;
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}
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elements.uploadProgress.hidden = true;
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});
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request.addEventListener("error", () => {
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elements.uploadState.textContent = "上传连接中断";
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elements.uploadProgress.hidden = true;
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});
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request.send(file);
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}
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function readXhrError(request) {
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try { return JSON.parse(request.responseText).detail || `HTTP ${request.status}`; }
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catch (_) { return `HTTP ${request.status}`; }
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}
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async function openSentences(video) {
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try {
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const detail = await api(`/api/v1/videos/${video.video_hash}`);
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elements.sentenceTitle.textContent = detail.video.title;
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const sentences = detail.boundaries?.sentences || [];
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elements.sentenceMeta.textContent = `${sentences.length} 句 / ${detail.video.video_hash}`;
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elements.sentenceRows.replaceChildren();
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for (const sentence of sentences) {
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elements.sentenceRows.append(sentenceRow(video, sentence));
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}
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elements.dialog.showModal();
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} catch (error) {
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elements.serviceState.textContent = `句子加载失败: ${error.message}`;
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}
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}
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function sentenceRow(video, sentence) {
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const row = document.createElement("tr");
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const textArea = document.createElement("textarea");
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textArea.value = sentence.text || "";
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const language = document.createElement("select");
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for (const [value, label] of [["", "自动"], ["en", "英语"], ["zh", "中文"]]) {
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const option = document.createElement("option");
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option.value = value;
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option.textContent = label;
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option.selected = value === (sentence.language || "");
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language.append(option);
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}
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const textContainer = document.createElement("td");
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textContainer.append(textArea);
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const languageContainer = document.createElement("td");
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languageContainer.append(language);
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const saveContainer = document.createElement("td");
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const save = button("保存", async () => {
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save.disabled = true;
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try {
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const body = JSON.stringify({ text: textArea.value, language: language.value || null });
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if (/\r?\n/.test(textArea.value)) {
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await api(`/api/v1/admin/videos/${video.video_hash}/sentences/${sentence.index}/split`, {
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method: "PUT",
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headers: { "Content-Type": "application/json" },
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body,
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});
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save.textContent = "已拆分";
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await openSentences(video);
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} else {
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await api(`/api/v1/admin/videos/${video.video_hash}/sentences/${sentence.index}`, {
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method: "PUT",
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headers: { "Content-Type": "application/json" },
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body,
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});
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save.textContent = "已保存";
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}
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} catch (error) {
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save.textContent = error.message;
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} finally {
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window.setTimeout(() => { save.disabled = false; save.textContent = "保存"; }, 1600);
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}
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});
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saveContainer.append(save);
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row.append(
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textCell(String(sentence.index + 1)),
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textCell(`${formatDuration(sentence.start_ms)} - ${formatDuration(sentence.end_ms)}`),
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textContainer,
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languageContainer,
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saveContainer,
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);
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return row;
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}
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async function reprocess(videoHash) {
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try {
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await api(`/api/v1/admin/videos/${videoHash}/process`, { method: "POST" });
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await loadVideos();
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} catch (error) {
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elements.serviceState.textContent = `处理启动失败: ${error.message}`;
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}
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}
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async function deleteVideo(video) {
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if (!window.confirm(`删除“${video.title}”？`)) return;
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try {
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await api(`/api/v1/admin/videos/${video.video_hash}`, { method: "DELETE" });
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await loadVideos();
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} catch (error) {
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elements.serviceState.textContent = `删除失败: ${error.message}`;
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}
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}
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function formatDuration(ms) {
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if (!ms) return "-";
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const totalTenths = Math.floor(ms / 100);
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const hours = Math.floor(totalTenths / 36000);
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const minutes = Math.floor(totalTenths % 36000 / 600);
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const seconds = Math.floor(totalTenths % 600 / 10);
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const tenths = totalTenths % 10;
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const base = `${String(minutes).padStart(2, "0")}:${String(seconds).padStart(2, "0")}.${tenths}`;
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return hours ? `${hours}:${base}` : base;
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}
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function formatBytes(bytes) {
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if (bytes < 1024 ** 2) return `${(bytes / 1024).toFixed(1)} KB`;
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if (bytes < 1024 ** 3) return `${(bytes / 1024 ** 2).toFixed(1)} MB`;
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return `${(bytes / 1024 ** 3).toFixed(2)} GB`;
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}
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function formatDate(value) {
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return new Intl.DateTimeFormat("zh-CN", { dateStyle: "short", timeStyle: "short" }).format(new Date(value));
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}
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checkHealth();
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loadVideos();
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window.setInterval(() => {
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if (!elements.dialog.open) loadVideos();
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}, 5000);
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