Files
PACS/PACS_DICOM处理/数据处理网页端/static/app.js
2026-05-27 08:43:33 +08:00

614 lines
21 KiB
JavaScript
Raw Blame History

This file contains ambiguous Unicode characters
This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
const app = {
token: localStorage.getItem("pacs_web_token") || "",
studies: [],
study: null,
series: [],
activeSeries: null,
slice: 0,
plane: "axial",
window: "default",
rotate: 0,
zoom: 1,
panX: 0,
panY: 0,
imageUrl: "",
searchTimer: null,
statusTimer: null,
pendingImage: null,
drag: null,
};
const $ = (id) => document.getElementById(id);
const clamp = (value, min, max) => Math.max(min, Math.min(max, value));
function escapeHtml(value) {
return String(value ?? "")
.replaceAll("&", "&")
.replaceAll("<", "&lt;")
.replaceAll(">", "&gt;")
.replaceAll('"', "&quot;")
.replaceAll("'", "&#039;");
}
async function request(path, options = {}) {
const headers = { ...(options.headers || {}) };
if (app.token) headers.Authorization = `Bearer ${app.token}`;
if (options.body) headers["Content-Type"] = "application/json";
const res = await fetch(path, { ...options, headers });
if (res.status === 401) {
showLogin(true);
throw new Error("unauthorized");
}
if (!res.ok) {
let detail = res.statusText;
try {
const data = await res.json();
detail = data.detail || detail;
} catch (_) {
detail = await res.text();
}
throw new Error(detail);
}
return res;
}
async function json(path, options = {}) {
const res = await request(path, options);
return res.json();
}
function showLogin(show) {
$("loginOverlay").classList.toggle("hidden", !show);
}
function fmtDate(value) {
const text = String(value || "");
if (text.length !== 8) return text;
return `${text.slice(0, 4)}-${text.slice(4, 6)}-${text.slice(6, 8)}`;
}
function fmtTime(value) {
const digits = String(value || "").replace(/\D/g, "").slice(0, 6);
if (digits.length < 6) return value || "";
return `${digits.slice(0, 2)}:${digits.slice(2, 4)}:${digits.slice(4, 6)}`;
}
function timeRange(series) {
const first = fmtTime(series.first_time || series.series_time || series.study_time);
const last = fmtTime(series.last_time);
if (first && last && first !== last) return `${first}-${last}`;
return first || last || "未记录";
}
function phaseLabel(value) {
return { arterial: "动脉期", portal_venous: "门静脉期", unknown: "无法判别" }[value] || "";
}
function partLabel(value) {
return {
head_neck: "头颈部",
chest: "胸部",
upper_abdomen: "上腹部",
lower_abdomen: "下腹部",
pelvis: "盆腔",
}[value] || value;
}
async function login(event) {
event.preventDefault();
$("loginError").textContent = "";
try {
const data = await json("/api/auth/login", {
method: "POST",
body: JSON.stringify({ username: $("username").value, password: $("password").value }),
});
app.token = data.token;
localStorage.setItem("pacs_web_token", app.token);
showLogin(false);
await boot();
} catch (_) {
$("loginError").textContent = "登录失败";
}
}
function logout() {
app.token = "";
localStorage.removeItem("pacs_web_token");
showLogin(true);
}
async function refreshStatus() {
try {
const data = await fetch("/api/status").then((res) => res.json());
const pill = $("dbStatus");
pill.textContent = data.database?.ok ? `数据库 ${data.database.rows ?? ""}` : "数据库异常";
pill.title = data.database?.message || "";
pill.classList.toggle("offline", !data.database?.ok);
pill.classList.toggle("online", Boolean(data.database?.ok));
} catch (_) {
$("dbStatus").textContent = "数据库异常";
$("dbStatus").classList.add("offline");
$("dbStatus").classList.remove("online");
}
}
async function loadStudies() {
const q = encodeURIComponent($("studySearch").value.trim());
app.studies = await json(`/api/studies?q=${q}&limit=500`);
$("studyCount").textContent = String(app.studies.length);
renderStudies();
if (!app.study && app.studies.length) selectStudy(app.studies[0].ct_number);
}
function renderStudies() {
const list = $("studyList");
list.innerHTML = "";
for (const study of app.studies) {
const button = document.createElement("button");
button.className = "study-card";
button.classList.toggle("active", app.study?.ct_number === study.ct_number);
const name = study.source_patient_name || study.patient_name_dicom || "无姓名";
button.innerHTML = `
<strong>${escapeHtml(study.ct_number)}</strong>
<span>${escapeHtml(name)} · ${escapeHtml(study.patient_id || "无ID")}</span>
<span>${escapeHtml(fmtDate(study.study_date))} ${escapeHtml(fmtTime(study.study_time))} · ${Number(study.dicom_file_count || 0)} 张</span>
<span>${Number(study.annotated_series || 0)} 个序列已标注</span>
`;
button.onclick = () => selectStudy(study.ct_number);
list.appendChild(button);
}
}
async function selectStudy(ctNumber) {
app.study = app.studies.find((item) => item.ct_number === ctNumber) || { ct_number: ctNumber };
app.series = [];
app.activeSeries = null;
$("activeStudyLabel").textContent = ctNumber;
$("seriesCount").textContent = "读取中";
$("seriesGrid").innerHTML = "";
resetViewer();
renderStudies();
try {
const data = await json(`/api/studies/${encodeURIComponent(ctNumber)}/series`);
app.study = data.study;
app.series = data.series || [];
$("seriesCount").textContent = String(app.series.length);
renderSeries();
if (app.series.length) selectSeries(app.series[0].series_uid);
} catch (err) {
$("seriesGrid").innerHTML = `<p class="error-line">${escapeHtml(err.message)}</p>`;
}
}
function renderSeries() {
const grid = $("seriesGrid");
grid.innerHTML = "";
for (const series of app.series) {
const skipped = Boolean(series.annotation?.skipped);
const parts = series.annotation?.body_parts || [];
const tags = skipped
? ["略过"]
: [series.body_part_dicom, ...parts.map(partLabel), phaseLabel(series.annotation?.upper_abdomen_phase)].filter(Boolean);
const card = document.createElement("button");
card.className = "series-card";
card.classList.toggle("active", app.activeSeries?.series_uid === series.series_uid);
card.classList.toggle("skipped", skipped);
card.innerHTML = `
<div class="thumb">
<img alt="" />
<b>${Number(series.count || 0)} 张</b>
${skipped ? "<i>略过</i>" : ""}
</div>
<div class="series-copy">
<strong>${escapeHtml(series.description || "未命名序列")}</strong>
<span class="shot-time">拍摄 ${escapeHtml(timeRange(series))}</span>
<small>序列 ${escapeHtml(series.series_number || "-")} · ${escapeHtml(series.rows || "-")}×${escapeHtml(series.columns || "-")} · ${escapeHtml(series.modality || "")}</small>
<div class="tag-line">${tags.length ? tags.map((tag) => `<em>${escapeHtml(tag)}</em>`).join("") : "<em>未标注</em>"}</div>
</div>
`;
card.onclick = () => selectSeries(series.series_uid);
grid.appendChild(card);
loadThumb(series, card.querySelector("img"));
}
}
function imageUrlFor(series = app.activeSeries, index = app.slice, windowName = app.window, plane = app.plane) {
return `/api/image?ct_number=${encodeURIComponent(app.study.ct_number)}&series_uid=${encodeURIComponent(series.series_uid)}&index=${index}&plane=${plane}&window=${windowName}&rotate=0`;
}
async function loadThumb(series, img) {
try {
const index = Math.floor((Number(series.count) || 1) / 2);
const blob = await request(imageUrlFor(series, index, "soft", "axial")).then((res) => res.blob());
img.src = URL.createObjectURL(blob);
} catch (_) {
img.removeAttribute("src");
}
}
function maxSlice() {
if (!app.activeSeries) return 0;
if (app.plane === "sagittal") return Math.max(0, Number(app.activeSeries.columns || 1) - 1);
if (app.plane === "coronal") return Math.max(0, Number(app.activeSeries.rows || 1) - 1);
return Math.max(0, Number(app.activeSeries.count || 1) - 1);
}
function resetViewState() {
app.rotate = 0;
app.zoom = 1;
app.panX = 0;
app.panY = 0;
applyTransform();
}
function selectSeries(seriesUid) {
const series = app.series.find((item) => item.series_uid === seriesUid);
if (!series) return;
app.activeSeries = series;
app.slice = Math.floor(maxSlice() / 2);
resetViewState();
$("sliceSlider").max = String(maxSlice());
$("sliceSlider").value = String(app.slice);
hydrateAnnotation();
renderSeries();
updateImage();
}
function resetViewer() {
if (app.imageUrl) URL.revokeObjectURL(app.imageUrl);
app.imageUrl = "";
app.pendingImage = null;
app.activeSeries = null;
$("dicomImage").removeAttribute("src");
$("imageEmpty").classList.remove("hidden");
$("sliceText").textContent = "0 / 0";
$("saveState").textContent = "未保存";
resetViewState();
}
function applyTransform() {
$("dicomImage").style.transform = `translate(${app.panX}px, ${app.panY}px) scale(${app.zoom}) rotate(${app.rotate}deg)`;
}
async function updateImage() {
if (!app.study || !app.activeSeries) return;
const max = maxSlice();
app.slice = clamp(app.slice, 0, max);
$("sliceSlider").max = String(max);
$("sliceSlider").value = String(app.slice);
$("sliceText").textContent = `${app.slice + 1} / ${max + 1}`;
$("imageEmpty").classList.add("hidden");
const ticket = Symbol("image");
app.pendingImage = ticket;
try {
const blob = await request(imageUrlFor()).then((res) => res.blob());
if (app.pendingImage !== ticket) return;
if (app.imageUrl) URL.revokeObjectURL(app.imageUrl);
app.imageUrl = URL.createObjectURL(blob);
$("dicomImage").src = app.imageUrl;
applyTransform();
} catch (err) {
$("saveState").textContent = `图像读取失败:${err.message}`;
}
}
function isSkippedChecked() {
return Boolean(document.querySelector('.part-grid input[value="skip"]')?.checked);
}
function selectedParts() {
return Array.from(document.querySelectorAll('.part-grid input:checked:not([value="skip"])')).map((input) => input.value);
}
function syncPartState() {
const skipped = isSkippedChecked();
document.querySelectorAll('.part-grid input:not([value="skip"])').forEach((input) => {
input.disabled = skipped;
if (skipped) input.checked = false;
});
if (skipped) {
document.querySelectorAll("input[name=phase]").forEach((input) => {
input.checked = false;
});
}
const show = !skipped && selectedParts().includes("upper_abdomen");
$("phaseBox").classList.toggle("visible", show);
}
function hydrateAnnotation() {
const annotation = app.activeSeries?.annotation || {};
const parts = new Set(annotation.body_parts || []);
document.querySelectorAll(".part-grid input").forEach((input) => {
if (input.value === "skip") {
input.checked = Boolean(annotation.skipped);
return;
}
input.checked = !annotation.skipped && parts.has(input.value);
input.disabled = Boolean(annotation.skipped);
});
document.querySelectorAll("input[name=phase]").forEach((input) => {
input.checked = !annotation.skipped && input.value === (annotation.upper_abdomen_phase || "");
});
$("annotationNotes").value = annotation.notes || "";
syncPartState();
}
async function reloadCurrentStudySeries(keepUid) {
const data = await json(`/api/studies/${encodeURIComponent(app.study.ct_number)}/series`);
app.study = data.study;
app.series = data.series || [];
app.activeSeries = app.series.find((item) => item.series_uid === keepUid) || app.series[0] || null;
$("seriesCount").textContent = String(app.series.length);
renderSeries();
hydrateAnnotation();
}
async function saveAnnotation() {
if (!app.study || !app.activeSeries) return;
const skipped = isSkippedChecked();
const parts = skipped ? [] : selectedParts();
let phase = skipped ? "" : document.querySelector("input[name=phase]:checked")?.value || "";
if (parts.includes("upper_abdomen") && !phase) {
$("saveState").textContent = "请选择上腹部期相";
return;
}
if (!parts.includes("upper_abdomen")) phase = "";
$("saveState").textContent = "保存中";
const uid = app.activeSeries.series_uid;
try {
await json(`/api/series/${encodeURIComponent(app.study.ct_number)}/${encodeURIComponent(uid)}/annotation`, {
method: "PUT",
body: JSON.stringify({ body_parts: parts, upper_abdomen_phase: phase, skipped, notes: $("annotationNotes").value }),
});
$("saveState").textContent = "已保存";
await reloadCurrentStudySeries(uid);
} catch (err) {
$("saveState").textContent = err.message;
}
}
function applyAiSuggestion(data) {
const parts = new Set(data.body_parts || []);
document.querySelectorAll(".part-grid input").forEach((input) => {
if (input.value === "skip") {
input.checked = Boolean(data.skipped);
return;
}
input.checked = !data.skipped && parts.has(input.value);
});
document.querySelectorAll("input[name=phase]").forEach((input) => {
input.checked = !data.skipped && input.value === (data.upper_abdomen_phase || "");
});
if (data.notes) $("annotationNotes").value = data.notes;
syncPartState();
}
async function runAI() {
if (!app.study || !app.activeSeries) return;
const button = $("aiClassify");
button.disabled = true;
$("saveState").textContent = "AI 识别中";
try {
const data = await json(`/api/series/${encodeURIComponent(app.study.ct_number)}/${encodeURIComponent(app.activeSeries.series_uid)}/ai`, {
method: "POST",
body: JSON.stringify({ sample_count: 3 }),
});
applyAiSuggestion(data);
$("saveState").textContent = "AI 建议已填入,确认后保存";
} catch (err) {
$("saveState").textContent = err.message;
} finally {
button.disabled = false;
}
}
async function openInfo() {
if (!app.study || !app.activeSeries) return;
const data = await json(`/api/dicom-info?ct_number=${encodeURIComponent(app.study.ct_number)}&series_uid=${encodeURIComponent(app.activeSeries.series_uid)}&index=${app.slice}`);
const content = $("infoContent");
content.innerHTML = "";
for (const [title, fields] of Object.entries(data.fields || {})) {
const section = document.createElement("section");
section.className = "info-card";
section.innerHTML = `<h3>${escapeHtml(title)}</h3>${Object.entries(fields)
.map(([key, value]) => `<p class="info-row"><span>${escapeHtml(key)}</span><b>${escapeHtml(value || "-")}</b></p>`)
.join("")}`;
content.appendChild(section);
}
$("infoModal").classList.remove("hidden");
}
function settingsTable(users) {
return `
<table class="settings-table">
<thead><tr><th>账号</th><th>角色</th><th>状态</th></tr></thead>
<tbody>
${(users || [])
.map((user) => `<tr><td>${escapeHtml(user.username)}</td><td>${escapeHtml(user.role)}</td><td>${escapeHtml(user.status)}</td></tr>`)
.join("")}
</tbody>
</table>
`;
}
function roleCards(roles) {
return (roles || [])
.map(
(role) => `
<div class="role-card">
<strong>${escapeHtml(role.name)}</strong>
<span>${(role.permissions || []).map(escapeHtml).join(" / ")}</span>
</div>
`,
)
.join("");
}
async function openSettings() {
const [settings, status] = await Promise.all([json("/api/settings"), fetch("/api/status").then((res) => res.json())]);
$("settingsContent").innerHTML = `
<section class="settings-section">
<div class="settings-title"><h3>用户创建</h3><span>当前登录admin</span></div>
<form id="createUserForm" class="settings-form">
<input name="username" placeholder="新账号" autocomplete="off" />
<input name="password" type="password" placeholder="初始密码" autocomplete="new-password" />
<select name="role">
<option value="阅片员">阅片员</option>
<option value="管理员">管理员</option>
<option value="访客">访客</option>
</select>
<button type="submit">创建</button>
</form>
${settingsTable(settings.users)}
</section>
<section class="settings-section">
<div class="settings-title"><h3>权限控制</h3><span>按角色控制查看、标注、AI 与系统设置</span></div>
<div class="role-grid">${roleCards(settings.roles)}</div>
</section>
<section class="settings-section split">
<div>
<div class="settings-title"><h3>AI 设置</h3><span>${settings.ai?.configured ? "已配置" : "未配置"}</span></div>
<dl>
<dt>供应商</dt><dd>${escapeHtml(settings.ai?.provider || "-")}</dd>
<dt>名称</dt><dd>${escapeHtml(settings.ai?.name || "-")}</dd>
<dt>模型</dt><dd>${escapeHtml(settings.ai?.model || "-")}</dd>
</dl>
</div>
<div>
<div class="settings-title"><h3>数据库</h3><span>${status.database?.ok ? "已连接" : "异常"}</span></div>
<dl>
<dt>主机</dt><dd>${escapeHtml(settings.database?.host || "-")}:${escapeHtml(settings.database?.port || "-")}</dd>
<dt>库表</dt><dd>${escapeHtml(settings.database?.database || "-")}.${escapeHtml(settings.database?.table || "-")}</dd>
<dt>DICOM</dt><dd>${escapeHtml(settings.dicom?.processed_root || "-")}</dd>
</dl>
</div>
</section>
`;
$("createUserForm").addEventListener("submit", createUser);
$("settingsModal").classList.remove("hidden");
}
async function createUser(event) {
event.preventDefault();
const button = event.currentTarget.querySelector("button");
const form = new FormData(event.currentTarget);
const payload = {
username: String(form.get("username") || "").trim(),
password: String(form.get("password") || ""),
role: String(form.get("role") || "阅片员"),
};
if (!payload.username || !payload.password) return;
button.disabled = true;
button.textContent = "创建中";
try {
await json("/api/settings/users", { method: "POST", body: JSON.stringify(payload) });
await openSettings();
} catch (err) {
button.textContent = err.message;
setTimeout(() => {
button.disabled = false;
button.textContent = "创建";
}, 1800);
}
}
function changeZoom(multiplier) {
app.zoom = clamp(app.zoom * multiplier, 0.25, 6);
applyTransform();
}
function wireImageGestures() {
const wrap = document.querySelector(".image-wrap");
document.querySelector(".slice-rail").addEventListener("pointerdown", (event) => event.stopPropagation());
wrap.addEventListener(
"wheel",
(event) => {
if (!app.activeSeries) return;
event.preventDefault();
changeZoom(event.deltaY < 0 ? 1.12 : 1 / 1.12);
},
{ passive: false },
);
wrap.addEventListener("pointerdown", (event) => {
if (!app.activeSeries) return;
app.drag = { x: event.clientX, y: event.clientY, panX: app.panX, panY: app.panY };
wrap.classList.add("dragging");
wrap.setPointerCapture(event.pointerId);
});
wrap.addEventListener("pointermove", (event) => {
if (!app.drag) return;
app.panX = app.drag.panX + event.clientX - app.drag.x;
app.panY = app.drag.panY + event.clientY - app.drag.y;
applyTransform();
});
["pointerup", "pointercancel", "pointerleave"].forEach((name) => {
wrap.addEventListener(name, () => {
app.drag = null;
wrap.classList.remove("dragging");
});
});
}
function wire() {
$("loginForm").addEventListener("submit", login);
$("logoutBtn").addEventListener("click", logout);
$("settingsBtn").addEventListener("click", openSettings);
$("infoBtn").addEventListener("click", openInfo);
$("aiClassify").addEventListener("click", runAI);
$("zoomIn").addEventListener("click", () => changeZoom(1.18));
$("zoomOut").addEventListener("click", () => changeZoom(1 / 1.18));
$("studySearch").addEventListener("input", () => {
clearTimeout(app.searchTimer);
app.searchTimer = setTimeout(loadStudies, 250);
});
$("sliceSlider").addEventListener("input", (event) => {
app.slice = Number(event.target.value);
updateImage();
});
document.querySelectorAll("[data-plane]").forEach((button) => {
button.addEventListener("click", () => {
app.plane = button.dataset.plane;
app.slice = Math.floor(maxSlice() / 2);
document.querySelectorAll("[data-plane]").forEach((b) => b.classList.toggle("active", b === button));
updateImage();
});
});
document.querySelectorAll("[data-window]").forEach((button) => {
button.addEventListener("click", () => {
app.window = button.dataset.window;
document.querySelectorAll("[data-window]").forEach((b) => b.classList.toggle("active", b === button));
updateImage();
});
});
$("rotateLeft").addEventListener("click", () => {
app.rotate = (app.rotate - 90 + 360) % 360;
applyTransform();
});
$("rotateRight").addEventListener("click", () => {
app.rotate = (app.rotate + 90) % 360;
applyTransform();
});
$("resetView").addEventListener("click", resetViewState);
document.querySelectorAll(".part-grid input").forEach((input) => input.addEventListener("change", syncPartState));
$("saveAnnotation").addEventListener("click", saveAnnotation);
document.querySelectorAll("[data-close]").forEach((button) => {
button.addEventListener("click", () => $(button.dataset.close).classList.add("hidden"));
});
wireImageGestures();
}
async function boot() {
await refreshStatus();
await loadStudies();
if (!app.statusTimer) app.statusTimer = setInterval(refreshStatus, 15000);
}
wire();
refreshStatus();
if (app.token) {
showLogin(false);
boot().catch(() => showLogin(true));
} else {
showLogin(true);
}