84 lines
2.8 KiB
TypeScript
84 lines
2.8 KiB
TypeScript
// editPost.ts
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import DB from 'better-sqlite3';
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import cacheResult from '~/server/utils/cacheRes';
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function prepareDB() {
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const db = new DB('./userData/db/posts.db');
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const updatePostStmt = db.prepare(`
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UPDATE posts
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SET title = ?, summary = ?, type = ?, url = ?, date = ?, tag_id = ?
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WHERE id = ?
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`);
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const updateContentStmt = db.prepare(`
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UPDATE postContent
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SET content = ?
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WHERE id = ?
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`);
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const updateTagsStmt = db.prepare(`
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UPDATE tags
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SET tag1 = ?, tag2 = ?, tag3 = ?, tag4 = ?, tag5 = ?,
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tag6 = ?, tag7 = ?, tag8 = ?, tag9 = ?, tag10 = ?,
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tag11 = ?, tag12 = ?, tag13 = ?, tag14 = ?, tag15 = ?
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WHERE id = ?
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`);
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const insertTagsStmt = db.prepare(`
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INSERT INTO tags (tag1, tag2, tag3, tag4, tag5, tag6, tag7, tag8, tag9, tag10, tag11, tag12, tag13, tag14, tag15)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
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`);
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return { updatePostStmt, updateContentStmt, updateTagsStmt, insertTagsStmt, db };
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}
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export default defineEventHandler(async (event) => {
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const { updatePostStmt, updateContentStmt, updateTagsStmt, insertTagsStmt, db } = cacheResult(prepareDB)();
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const body = await readBody(event);
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const { id, title, summary, tags: _tags, type, url, date, content } = body;
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if ([id, title, summary, _tags, type, url, date, content].some(item => item === undefined)) {
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return {
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code: 400,
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msg: '参数错误',
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body
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}
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}
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const tagsArray = Array.isArray(_tags) ? _tags : [_tags];
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const tags = tagsArray.slice(0, 15).concat(new Array(15 - tagsArray.length).fill(null));
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try {
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db.transaction(() => {
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// 检查是否存在tag_id，如果不存在则插入新标签
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const tagRow: any = db.prepare(`SELECT tag_id FROM posts WHERE id = ?`).get(id);
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if (tagRow.tag_id) {
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// 更新现有标签
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updateTagsStmt.run(...tags, tagRow.tag_id);
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} else {
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// 插入新标签并获取tag_id
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const tagResult = insertTagsStmt.run(...tags);
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const tagId = tagResult.lastInsertRowid;
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// 更新posts表中的tag_id
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updatePostStmt.run(title, summary, type, url, date, tagId, id);
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}
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// 更新posts表
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updatePostStmt.run(title, summary, type, url, date, tagRow.tag_id, id);
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// 更新postContent表
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updateContentStmt.run(content, id);
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})();
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return {
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code: 200,
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msg: '更新成功'
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};
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} catch (error) {
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console.error('更新数据时出错:', error);
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return {
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code: 500,
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msg: '服务器内部错误'
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};
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}
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}); |