Pages

 1from plain.http import Http404, ResponsePermanentRedirect, ResponseRedirect
 2from plain.utils.functional import cached_property
 3from plain.views import TemplateView
 4
 5from .exceptions import PageNotFoundError, RedirectPageError
 6from .registry import registry
 7
 8
 9class PageView(TemplateView):
10    template_name = "page.html"
11
12    @cached_property
13    def page(self):
14        # Passed manually by the kwargs in the path definition
15        url_path = self.url_kwargs.get("url_path", "index")
16
17        try:
18            return registry.get_page(url_path)
19        except PageNotFoundError:
20            raise Http404()
21
22    def get_template_names(self) -> list[str]:
23        """
24        Allow for more specific user templates like
25        markdown.html or html.html
26        """
27        return [self.page.get_template_name()] + super().get_template_names()
28
29    def get_template_context(self):
30        context = super().get_template_context()
31        context["page"] = self.page
32        return context
33
34    def get(self):
35        if self.page.content_type == "redirect":
36            url = self.page.vars.get("url")
37
38            if not url:
39                raise RedirectPageError(
40                    f"Redirect page {self.page.url_path} is missing a url"
41                )
42
43            if self.page.vars.get("temporary", True):
44                return ResponseRedirect(url)
45            else:
46                return ResponsePermanentRedirect(url)
47
48        return super().get()