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fix: more fixes around rss feed

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Zach Daniel 2022-11-01 13:47:33 -04:00
parent 8a3bee3a49
commit 083102a214
1 changed files with 22 additions and 19 deletions
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41
lib/ash_blog.ex
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@ -8,9 +8,11 @@ defmodule AshBlog do
def rss_feed(blog_posts, opts \\ []) do def rss_feed(blog_posts, opts \\ []) do
blog_posts = Enum.filter(blog_posts, &(&1.state == :published)) blog_posts = Enum.filter(blog_posts, &(&1.state == :published))
default_updated = updated = opts[:updated] || fn blog_post -> blog_post.published_at end
last_updated =
blog_posts blog_posts
|> Enum.map(& &1.published_at) |> Enum.map(updated)
|> case do |> case do
[] -> [] ->
DateTime.utc_now() DateTime.utc_now()
@ -27,25 +29,34 @@ defmodule AshBlog do
element(:title, opts[:title]), element(:title, opts[:title]),
element(:link, %{href: opts[:link], rel: "alternate", type: "text/html"}), element(:link, %{href: opts[:link], rel: "alternate", type: "text/html"}),
element(:link, %{href: opts[:rss_link], rel: "self", type: "application/atom+xml"}), element(:link, %{href: opts[:rss_link], rel: "self", type: "application/atom+xml"}),
element(:updated, to_string(opts[:updated] || default_updated)) element(:updated, DateTime.to_iso8601(last_updated))
] ++ ] ++
Enum.map(blog_posts, fn %resource{} = blog_post -> Enum.map(blog_posts, fn %resource{} = blog_post ->
data = [ inners = [
title: Map.get(blog_post, AshBlog.DataLayer.Info.title_attribute(resource)) element(
:id,
Ash.Resource.Info.primary_key(resource)
|> Enum.map_join("-", &to_string(Map.get(blog_post, &1)))
),
element(:title, Map.get(blog_post, AshBlog.DataLayer.Info.title_attribute(resource))),
element(:updated, DateTime.to_iso8601(updated.(blog_post)))
] ]
data = inners =
if opts[:linker] do if opts[:linker] do
Keyword.put(data, :link, opts[:linker].(blog_post)) [element(:link, %{rel: "alternate", href: opts[:linker].(blog_post)}) | inners]
else else
data inners
end end
inners = inners =
if opts[:html_body] do if opts[:html_body] do
[element(:content, %{type: "html"}, {:cdata, opts[:html_body].(blog_post)})] [
element(:content, %{type: "html"}, {:cdata, opts[:html_body].(blog_post)})
| inners
]
else else
[] inners
end end
inners = inners =
@ -62,15 +73,7 @@ defmodule AshBlog do
inners inners
end end
data = element(:entry, inners)
Keyword.put(
data,
:id,
Ash.Resource.Info.primary_key(resource)
|> Enum.map_join("-", &to_string(Map.get(blog_post, &1)))
)
element(:entry, data, inners)
end) end)
) )
|> XmlBuilder.generate() |> XmlBuilder.generate()