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Add web UI: login, dashboard, and share management (templ + Tailwind + htmx)

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New internal/web package mounted at /ui/, separate from DAV Basic Auth:

- Cookie-based sessions (opaque random tokens in a new web_sessions
  SQLite table, internal/db/sessions.go), checked against the same
  cfg.Users/bcrypt credentials as DAV Basic Auth.
- Dashboard listing the logged-in user's own calendars/address books,
  who they're shared with, and what's shared with them.
- Share/unshare directly from the dashboard, updated in place via htmx
  partial swaps (POST to create/update, DELETE to revoke). Always
  verifies the resource actually belongs to the logged-in user before
  granting a share.
- Templates written in templ (internal/web/templates/*.templ, generated
  *_templ.go committed), styled with Tailwind CSS v4 (web/input.css,
  compiled to web/static/app.css), with htmx vendored as a static file
  for the dynamic bits. Both are embedded into the binary at build time
  (web/staticassets.go) so the compiled server has no Node.js/web/
  runtime dependency.
- Wired into cmd/server/main.go at /ui/ alongside the existing /cal/,
  /card/, /files/ routes; welcome page links to it.
- Tests: internal/web/server_test.go covers login success/failure, the
  login-required redirect, dashboard rendering, share/unshare including
  the htmx-v2-sends-DELETE-params-as-query-string quirk, and rejecting
  shares of resources the user doesn't own.
- Docs: README (new 'Web UI' section, updated sharing section, project
  layout, dependencies) and copilot-instructions updated accordingly.
  Makefile: new templ-generate/web-deps/web-css targets.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This commit is contained in:
arnef
2026-08-19 07:12:56 +02:00
co-authored by Copilot
parent 58d74a29cd
commit ab3c7f44d5
27 changed files with 2764 additions and 16 deletions
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internal/web/templates/layout.templ
+30
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package templates
templ Layout(title string, username string) {
<!DOCTYPE html>
<html lang="en" class="h-full bg-gray-50">
<head>
<meta charset="UTF-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<title>{ title } · nidus</title>
<link rel="stylesheet" href="/ui/static/app.css"/>
<script src="/ui/static/htmx.min.js" defer></script>
</head>
<body class="h-full text-gray-900">
<nav class="bg-white border-b border-gray-200">
<div class="max-w-4xl mx-auto px-4 py-3 flex items-center justify-between">
<a href="/ui/" class="font-semibold text-lg tracking-tight">nidus</a>
if username != "" {
<div class="flex items-center gap-4 text-sm text-gray-600">
<span>{ username }</span>
<a href="/ui/logout" class="text-red-600 hover:underline">Logout</a>
</div>
}
</div>
</nav>
<main class="max-w-4xl mx-auto px-4 py-8">
{ children... }
</main>
</body>
</html>
}