18 lines
6.5 KiB
JavaScript
18 lines
6.5 KiB
JavaScript
"use strict";
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let token="",state="",cursor=null,selected=null,busy=false;
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const $=id=>document.getElementById(id);
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const escTime=value=>new Intl.DateTimeFormat("zh-CN",{dateStyle:"medium",timeStyle:"medium",hour12:false}).format(new Date(value));
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function announce(message,error=false){const box=$(error?"errors":"status");box.textContent=message;box.hidden=false;window.setTimeout(()=>box.hidden=true,5000)}
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async function api(path,options={}){const response=await fetch(`/bell-console/api/v1${path}`,{...options,headers:{"Authorization":`Bearer ${token}`,...options.headers}});let body={};try{body=await response.json()}catch{}if(!response.ok){const error=new Error(body.message||`请求失败（${response.status}）`);error.status=response.status;error.body=body;throw error}return body}
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function setBusy(value){busy=value;$("alerts").setAttribute("aria-busy",String(value));for(const id of ["refresh","more","ack","close"])$(id).disabled=value}
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function row(item){const button=document.createElement("button");button.type="button";button.className="alert-row"+(selected===item.id?" selected":"");button.dataset.id=item.id;const left=document.createElement("span"),right=document.createElement("span"),title=document.createElement("strong"),meta=document.createElement("small"),badge=document.createElement("span");title.textContent=item.title;meta.textContent=`${item.rule_key} · v${item.rule_version} · ${escTime(item.created_at)}`;badge.className="state";badge.dataset.state=item.state;badge.textContent={open:"待确认",acknowledged:"处理中",closed:"已关闭"}[item.state]||item.state;left.append(title,meta);right.append(badge);button.append(left,right);button.addEventListener("click",()=>loadDetail(item.id));return button}
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async function loadAlerts(append=false){if(busy)return;setBusy(true);if(!append){cursor=null;$("alerts").replaceChildren(...[1,2,3].map(()=>Object.assign(document.createElement("div"),{className:"skeleton"})))}try{const query=new URLSearchParams({limit:"16"});if(state)query.set("state",state);if(append&&cursor)query.set("cursor",cursor);const data=await api(`/alerts?${query}`);if(!append)$("alerts").replaceChildren();for(const item of data.items)$("alerts").append(row(item));if(!append&&!data.items.length){const empty=document.createElement("p");empty.className="offline";empty.textContent="当前筛选条件下没有预警。";$("alerts").append(empty)}cursor=data.next_cursor;$("more").hidden=!cursor;$("connectionText").textContent="已连接 · 显示真实状态";document.querySelector(".connection").classList.add("connected")}catch(error){if(!append){const retry=document.createElement("button");retry.className="secondary full";retry.textContent="加载失败，重试";retry.addEventListener("click",()=>loadAlerts());$("alerts").replaceChildren(retry)}announce(error.message,true);if(error.status===401)disconnect()}finally{setBusy(false)}}
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function fact(label,value){const box=document.createElement("div"),dt=document.createElement("dt"),dd=document.createElement("dd");dt.textContent=label;dd.textContent=value;box.append(dt,dd);return box}
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async function loadDetail(id){if(busy)return;selected=id;document.querySelectorAll(".alert-row").forEach(el=>el.classList.toggle("selected",el.dataset.id===id));setBusy(true);try{const data=await api(`/alerts/${encodeURIComponent(id)}`);$("detailEmpty").hidden=true;$("detailContent").hidden=false;$("detailSeverity").textContent=data.severity.toUpperCase();$("detailName").textContent=data.title;$("detailId").textContent=data.id;$("detailState").textContent={open:"待确认",acknowledged:"处理中",closed:"已关闭"}[data.state];$("detailState").dataset.state=data.state;$("facts").replaceChildren(fact("规则",data.rule_key),fact("规则版本",`v${data.rule_version}`),fact("创建时间",escTime(data.created_at)));$("events").replaceChildren(...data.events.map(event=>{const box=document.createElement("div");box.className="event";const a=document.createElement("span"),b=document.createElement("span");a.textContent=`${event.kind} · 设备 ${event.device_id}`;b.textContent=`${event.severity} · ${escTime(event.occurred_at)}`;box.append(a,b);return box}));$("timeline").replaceChildren(...data.transitions.map(item=>{const li=document.createElement("li"),strong=document.createElement("strong"),small=document.createElement("small");strong.textContent=`${item.to_state} · ${item.actor_ref}`;small.textContent=escTime(item.occurred_at)+(item.note?` · ${item.note}`:"");li.append(strong,small);return li}));$("ack").hidden=data.state!=="open";$("close").hidden=data.state!=="acknowledged"}catch(error){announce(error.message,true)}finally{setBusy(false)}}
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async function command(name){if(!selected||busy)return;setBusy(true);const button=$(name);button.textContent=name==="ack"?"确认中…":"关闭中…";try{const result=await api(`/alerts/${selected}:${name}`,{method:"POST",headers:{"Content-Type":"application/json","Idempotency-Key":crypto.randomUUID()},body:JSON.stringify({note:$("note").value||null})});announce(name==="ack"?`已由 ${result.actor_ref} 接手`:"预警已关闭");$("note").value="";setBusy(false);await loadDetail(selected);await loadAlerts()}catch(error){if(error.status===409&&error.body?.code==="already_acknowledged")announce("该预警已被其他值班员确认，正在刷新实际处置人",true);else announce(error.message,true);setBusy(false);await loadDetail(selected)}finally{button.textContent=name==="ack"?"确认接手":"关闭预警";setBusy(false)}}
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function disconnect(){$("workspace").hidden=true;$("authPanel").hidden=false;token="";$("token").value="";$("connectionText").textContent="等待授权";document.querySelector(".connection").classList.remove("connected")}
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$("connect").addEventListener("click",()=>{const value=$("token").value;if(value.length<32){announce("令牌长度不足，请检查外部 token 文件",true);return}token=value;$("token").value="";$("authPanel").hidden=true;$("workspace").hidden=false;loadAlerts()});
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$("token").addEventListener("keydown",event=>{if(event.key==="Enter")$("connect").click()});
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$("refresh").addEventListener("click",()=>loadAlerts());$("more").addEventListener("click",()=>loadAlerts(true));$("ack").addEventListener("click",()=>command("ack"));$("close").addEventListener("click",()=>command("close"));
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document.querySelectorAll(".filter").forEach(button=>button.addEventListener("click",()=>{state=button.dataset.state;document.querySelectorAll(".filter").forEach(other=>{other.classList.toggle("active",other===button);other.setAttribute("aria-pressed",String(other===button))});loadAlerts()}));
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