feat: 普通用户文章页补齐附件区(上传/列表/插入正文/设封面/删除)

- 新增共享部分模板 templates/partials/article_attachments.html
  (附件区标记:文件名/大小/操作列 + 上传按钮)
- 新增共享 static/js/article-attachments.js:上传(multipart→files 表
  type=attachments)、编辑页回填、插入正文、图片一键设封面、删除;
  uploadURL/listURL/editor/i18n 文案均由页面注入
- 管理员页改用共享 partial+JS(行为不变);同时修复既有 bug:
  表单提交闭包引用未声明的 articleID(作用域错误导致保存静默失败)
- 普通用户页加入附件区,走 /api/my/articles/attachments(新建页
  session_token / 编辑页 article_id),支持一键设封面/插入正文
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dsh
2026-08-28 20:01:20 +08:00
parent 84756e03b7
commit 5c55a76acb
4 files changed
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// 文章附件区共享逻辑(管理员与普通用户的文章新建/编辑页共用):
// 上传(multipart → 附件接口,写 files 表 type=attachments)、编辑页回填列表、
// 插入正文(图片 ![]() / 其他 []())、图片一键设封面、删除(引用计数由服务端处理)。
//
// 由页面调用:initArticleAttachments(cfg)
// cfg:
// uploadURL 上传接口,如 "/api/my/articles/attachments"DELETE 为 uploadURL + "/<id>"
// listURL 列表接口模板,":id" 会被替换为文章 id,如 "/api/my/articles/:id/attachments"
// editor EasyMDE 实例(用于在光标处插入 Markdown)
// articleID 文章 id(编辑页);新建页为 0
// sessionToken 新建页的临时归属令牌
// texts 页面 i18n 文案:{pick, uploading, insert, setCover, coverSet, del, delConfirm, err}
window.initArticleAttachments = function (cfg) {
var uploadBtn = document.getElementById('attachmentUploadBtn');
var fileInput = document.getElementById('attachmentInput');
var msgEl = document.getElementById('attachmentMsg');
var listEl = document.getElementById('attachmentList');
var texts = cfg.texts || {};
if (!uploadBtn || !listEl || !fileInput) { return; }
var meta = document.querySelector('meta[name="csrf-token"]');
var csrfToken = meta ? meta.getAttribute('content') : '';
// Enable the uploader (uploads allowed only while logged in, which is true here).
uploadBtn.disabled = false;
fileInput.disabled = false;
function fmtSize(b) {
if (b < 1024) { return b + ' B'; }
var u = ['KiB', 'MiB', 'GiB'], i = -1;
do { b /= 1024; i++; } while (b >= 1024 && i < u.length - 1);
return b.toFixed(1) + ' ' + u[i];
}
function insertMd(md) {
var cm = cfg.editor && cfg.editor.codemirror;
if (!cm) { return; }
cm.replaceSelection(md + '\n');
cm.focus();
}
function addRow(att) {
var tr = document.createElement('tr');
tr.className = 'hover:bg-gray-50';
tr.dataset.id = att.id;
var nameTd = document.createElement('td');
nameTd.className = 'px-3 py-2 text-sm text-gray-800';
var link = document.createElement('a');
link.href = att.url; link.target = '_blank'; link.textContent = att.filename;
nameTd.appendChild(link);
var sizeTd = document.createElement('td');
sizeTd.className = 'px-3 py-2 text-sm text-gray-500';
sizeTd.textContent = fmtSize(att.size);
var actTd = document.createElement('td');
actTd.className = 'px-3 py-2 text-sm text-right whitespace-nowrap';
var insBtn = document.createElement('button');
insBtn.type = 'button';
insBtn.textContent = texts.insert || 'Insert';
insBtn.className = 'text-blue-600 hover:text-blue-800 font-medium mr-3 cursor-pointer bg-transparent border-none';
insBtn.onclick = function () {
var md = att.is_image
? '![' + att.filename + '](' + att.url + ')'
: '[' + att.filename + '](' + att.url + ')';
insertMd(md);
};
// Images: extra button to copy the URL into the cover field.
var coverBtn = null;
if (att.is_image) {
coverBtn = document.createElement('button');
coverBtn.type = 'button';
coverBtn.textContent = texts.setCover || 'Cover';
coverBtn.className = 'text-green-600 hover:text-green-800 font-medium mr-3 cursor-pointer bg-transparent border-none';
coverBtn.onclick = function () {
var cover = document.querySelector('input[name="cover"]');
if (cover) { cover.value = att.url; msgEl.textContent = texts.coverSet || ''; }
};
}
var delBtn = document.createElement('button');
delBtn.type = 'button';
delBtn.textContent = texts.del || 'Delete';
delBtn.className = 'text-red-600 hover:text-red-800 font-medium cursor-pointer bg-transparent border-none';
delBtn.onclick = function () {
if (!confirm(texts.delConfirm || 'Delete?')) { return; }
fetch(cfg.uploadURL + '/' + att.id, {
method: 'DELETE',
headers: { 'X-CSRF-Token': csrfToken }
})
.then(function (r) { return r.json(); })
.then(function (r) {
if (r.ok) { tr.remove(); }
else { msgEl.textContent = r.error || 'error'; }
});
};
actTd.appendChild(insBtn);
if (coverBtn) { actTd.appendChild(coverBtn); }
actTd.appendChild(delBtn);
tr.appendChild(nameTd);
tr.appendChild(sizeTd);
tr.appendChild(actTd);
listEl.appendChild(tr);
}
uploadBtn.addEventListener('click', function () {
if (!fileInput.files.length) { msgEl.textContent = texts.pick || 'Pick a file.'; return; }
var fd = new FormData();
fd.append('file', fileInput.files[0]);
if (cfg.articleID) { fd.append('article_id', cfg.articleID); }
else if (cfg.sessionToken) { fd.append('session_token', cfg.sessionToken); }
msgEl.textContent = texts.uploading || 'Uploading...';
fetch(cfg.uploadURL, {
method: 'POST',
headers: { 'X-CSRF-Token': csrfToken },
body: fd
})
.then(function (r) { return r.json(); })
.then(function (r) {
if (r.error) { msgEl.textContent = r.error; return; }
msgEl.textContent = '';
addRow(r);
fileInput.value = '';
})
.catch(function () { msgEl.textContent = texts.err || 'Upload failed.'; });
});
// Edit page: load existing attachments.
if (cfg.articleID) {
fetch(cfg.listURL.replace(':id', cfg.articleID))
.then(function (r) { return r.json(); })
.then(function (r) {
(r.attachments || []).forEach(addRow);
});
}
};