feat: 实现内容系统 MVC(Post CRUD + 审核流转)

按 content-system.md 设计文档,实现帖子内容系统的最小可行 MVC。

新增:
- Model: Post 模型,含 5 种状态(draft/pending/approved/rejected/locked)
- Repository: post_repo.go,分页查询(前台 approved 列表 + 后台全状态筛选)
- Service: post_service.go,核心业务逻辑(状态流转、Markdown 渲染 Goldmark)
- Controller: post_controller + admin_post_controller,SSR 页面 6 个 + API 13 个
- Template: 列表/详情/编辑器/404 + 管理员列表,各配 CSS/JS
- 路由: /posts, /posts/:id, /posts/new, /posts/:id/edit, REST API, Admin API
- gomod: + github.com/yuin/goldmark v1.8.2

修改:
- Main: AutoMigrate Post 表
- Router: deps 注册 PostService/Controller,路由注册
- Nav: 新增“帖子”导航链接
- Admin Sidebar: 新增“内容管理”入口

设计:
- 审核开关复用 audit.enabled,开启时帖子为 draft,关闭后直接 approved
- 仅 approved 公开可见,作者/admin 可预览非公开状态帖子
- 严格分层 ISP 接口: Controller → postUseCase, Service → postStore, Repo → *PostRepo
- 状态保护: pending/locked 禁止编辑,rejected 编辑后自动重置为 draft
This commit is contained in:
2026-05-27 18:22:48 +08:00
parent fc65872882
commit 03a01a09be
26 changed files with 1803 additions and 3 deletions

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{{template "layout/header.html" .}}
<body>
{{template "layout/nav.html" .}}
<div class="container editor-container">
<h1 class="editor-title">{{if .Post}}编辑帖子{{else}}撰写帖子{{end}}</h1>
<form id="postForm" class="post-form">
<input type="hidden" id="postId" value="{{if .Post}}{{.Post.ID}}{{end}}">
<div class="form-group">
<label for="postTitle">标题</label>
<input type="text" id="postTitle" class="form-input" value="{{if .Post}}{{.Post.Title}}{{end}}" maxlength="200" required>
</div>
<div class="form-group">
<label for="postBody">正文 (Markdown)</label>
<textarea id="postBody" class="form-textarea" rows="20" required>{{if .Post}}{{.Post.Body}}{{end}}</textarea>
</div>
<div class="editor-actions">
<button type="button" id="previewBtn" class="btn btn-secondary">预览</button>
<button type="submit" class="btn btn-primary">{{if .Post}}保存修改{{else}}发布帖子{{end}}</button>
</div>
</form>
<div id="previewArea" class="post-preview" style="display:none;">
<h3>预览</h3>
<div id="previewContent" class="post-detail-body"></div>
</div>
</div>
{{template "layout/footer.html" .}}
{{if .ExtraJS}}<script src="{{.ExtraJS}}"></script>{{end}}
<script src="/static/js/common.js"></script>
</body>
</html>