feat(admin): 站点信息 + 注册开关可后台设置,模板动态渲染
新增 4 项可配置站点设置(DB持久化+内存缓存,即时生效): - site.brand 品牌名(页面标题/页脚/管理面板,默认 MetaLab) - site.framework 框架名(页脚标识,默认 MetaZone) - site.copyright_start 版权起始年(页脚,默认 2024) - registration.enabled 注册开关(关闭后禁止新用户注册,默认 true) 实现方式: - InjectSiteInfo 中间件:全局注入 Brand/Framework/CopyrightStart 到 gin.Context - BuildPageData 读取 context,所有 SSR 页面自动获取站点信息 - AuthService.Register 最先检查 IsRegistrationEnabled() - 管理后台新增「基本设置」+「注册设置」区块,文本输入手动保存 + Toggle 即时生效
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internal/middleware/site_info.go
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internal/middleware/site_info.go
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package middleware
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import (
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"metazone.cc/metalab/internal/config"
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"github.com/gin-gonic/gin"
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)
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// InjectSiteInfo 注入站点展示信息到请求上下文(供 BuildPageData 使用)
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// 应用于引擎级全局中间件,确保所有 SSR 页面都能读取 Brand/Framework/CopyrightStart
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func InjectSiteInfo(siteSettings *config.SiteSettings) gin.HandlerFunc {
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return func(c *gin.Context) {
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info := siteSettings.SiteInfo()
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c.Set("site_brand", info.Brand)
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c.Set("site_framework", info.Framework)
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c.Set("site_copyright_start", info.CopyrightStart)
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c.Next()
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}
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}
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