15 lines
5.5 KiB
TypeScript
15 lines
5.5 KiB
TypeScript
import { useEffect,useState } from 'react';
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import type { Guidance } from '@/content/guides/catalog';
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import styles from '@/styles/documents.module.css';
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const blank:Guidance={id:'user-',revision:1,kind:'guide',title:'',summary:'',applies:'',body:'',steps:[],checks:[],links:[],tags:[]};
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export default function Write(){
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const [busy,setBusy]=useState(false),[published,setPublished]=useState<{id:string;revision:number}|null>(null);
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const [doc,setDoc]=useState(blank),[xml,setXml]=useState(''),[mode,setMode]=useState(false),[message,setMessage]=useState(''),[preview,setPreview]=useState<{document:Guidance;xml:string;links:{label:string;when:string;resolved:boolean}[]}|null>(null);
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useEffect(()=>{setPreview(null);},[doc,xml,mode]);
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useEffect(()=>{fetch('/api/account/session').then(r=>r.json()).then(b=>{if(b.user){const id=new URLSearchParams(window.location.search).get('id');if(id)fetch('/api/documents/'+encodeURIComponent(id)).then(responseBody).then(b=>setDoc({...b.document,revision:b.document.revision+1})).catch(e=>setMessage(e.message));else setDoc(d=>({...d,id:'user-'+b.user.id+'-'}));}else setMessage('请先登录并验证邮箱,再发布文档。');}).catch(()=>setMessage('账户服务暂不可用,请稍后重试。'));},[]);
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async function responseBody(r:Response){const b=await r.json().catch(()=>({error:'服务返回异常,请稍后重试'}));if(!r.ok)throw Error((b.error||'请求失败')+(b.fields?.length?':'+b.fields.join('、'):''));return b;}
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async function load(){setBusy(true);setPreview(null);try{const b=await responseBody(await fetch('/api/documents/'+encodeURIComponent(doc.id)));setDoc({...b.document,revision:b.document.revision+1});setMessage('已加载,保存将创建新版本');}catch(e){setMessage(e instanceof Error?e.message:'加载失败');}finally{setBusy(false);}}
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async function submit(action:string){setBusy(true);setMessage('处理中…');setPreview(null);setPublished(null);try{const b=await responseBody(await fetch('/api/documents'+(action==='preview'?'/preview':''),{method:'POST',headers:{'Content-Type':mode?'application/xml':'application/json'},body:mode?xml:JSON.stringify(doc)}));if(action==='preview'){setPreview(b);setMessage('预览成功,尚未发布');}else{setDoc({...b.document,revision:b.document.revision+1});setPublished({id:b.document.id,revision:b.document.revision});if(mode)setXml(xml.replace(/revision="[1-9][0-9]*"/,`revision="${b.document.revision+1}"`));setMessage('已发布版本 '+b.document.revision);}}catch(e){setMessage(e instanceof Error?e.message:'请求失败,请稍后重试');}finally{setBusy(false);}}
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return <main className={styles.page}><nav><a href="/">首页</a> · <a href="/documents">用户文档</a> · <a href="/account">邮箱账户</a></nav><h1>发布独立文档</h1><p>需要已验证邮箱。每次发布创建不可变版本;只有原作者可以更新或撤下。</p><fieldset disabled={busy}><label><input type="checkbox" checked={mode} onChange={e=>{setMode(e.target.checked);setPreview(null);}}/> 使用协议 XML(zh-CN)</label>{mode?<label>XML 输入<textarea rows={22} value={xml} onChange={e=>{setXml(e.target.value);setPreview(null);}}/></label>:<><label>文档 ID(保留账户前缀,在末尾填写短名)<input value={doc.id} onChange={e=>setDoc({...doc,id:e.target.value})}/></label><button disabled={busy} onClick={load}>加载最新版本以编辑</button><label>待发布版本<input type="number" min={1} value={doc.revision} onChange={e=>setDoc({...doc,revision:Number(e.target.value)})}/></label><label>种类<select value={doc.kind} onChange={e=>setDoc({...doc,kind:e.target.value as Guidance['kind']})}><option>guide</option><option>context</option><option>evidence</option></select></label>{(['title','summary','applies','body'] as const).map(k=><label key={k}>{{title:'标题',summary:'摘要',applies:'适用条件',body:'正文'}[k]}<textarea value={doc[k]} onChange={e=>{setDoc({...doc,[k]:e.target.value});setPreview(null);}}/></label>)}{(['steps','checks'] as const).map(k=><label key={k}>{k==='steps'?'步骤':'检查项'}(每行一项)<textarea value={doc[k].join('\n')} onChange={e=>setDoc({...doc,[k]:e.target.value.split('\n').filter(Boolean)})}/></label>)}<h2>条件链接</h2>{doc.links.map((l,i)=><fieldset key={i}>{(['target','revision','relation','when','label'] as const).map(k=><label key={k}>{k}<input value={l[k]} onChange={e=>setDoc({...doc,links:doc.links.map((v,j)=>j===i?{...v,[k]:k==='revision'?Number(e.target.value):e.target.value}:v)})}/></label>)}<button onClick={()=>setDoc({...doc,links:doc.links.filter((_,j)=>j!==i)})}>移除链接</button></fieldset>)}<button onClick={()=>setDoc({...doc,links:[...doc.links,{target:'',revision:1,relation:'context',when:'',label:''}]})}>添加精确版本链接</button></>}<p><button disabled={busy} onClick={()=>submit('preview')}>校验并预览</button> <button disabled={busy} onClick={()=>submit('publish')}>发布新版本</button></p></fieldset><p role="status">{message}</p>{published&&<p><a href={'/documents/'+published.id+'?revision='+published.revision}>打开已发布文档 v{published.revision} ↗</a></p>}{preview&&<article><h2>{preview.document.title}</h2><p>{preview.document.summary}</p><p>适用:{preview.document.applies}</p><p className={styles.body}>{preview.document.body}</p>{preview.document.steps.map((s,i)=><p key={i}>{i+1}. {s}</p>)}{preview.links.map((l,i)=><p key={i}>{l.label} · 条件:{l.when} · {l.resolved?'精确版本可用':'目标缺失,读取时需跳过'}</p>)}<pre>{preview.xml}</pre></article>}</main>;
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}
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