62 lines
1.2 KiB
Elixir
62 lines
1.2 KiB
Elixir
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defmodule FeedParser.RSSInJSON.Parser do
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@behaviour FeedParser.Parser
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@impl FeedParser.Parser
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def accepts(data, content_type) do
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with "application/json" <- content_type,
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{:ok, json} <- Poison.decode(data),
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%{"rss" => %{"version" => "2.0"} = rss} <- json do
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{true, rss}
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else
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_ ->
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false
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end
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end
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@impl FeedParser.Parser
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def parse_feed(rss) do
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channel = rss["channel"]
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title = channel["title"]
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link = channel["link"]
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image =
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case channel do
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%{"image" => %{"url" => url}} -> url
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_ -> nil
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end
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items =
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channel["item"]
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|> Enum.map(fn item ->
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guid = item["guid"]
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link = item["link"]
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title = Map.get(item, "title")
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content = item["description"]
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pubDate =
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item["pubDate"]
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|> Timex.parse("{RFC1123}")
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|> case do
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{:ok, date} -> date
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_ -> nil
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end
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%FeedParser.Item{
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guid: guid,
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url: link,
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title: title,
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content: content,
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date: pubDate
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}
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end)
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{:ok,
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%FeedParser.Feed{
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site_url: link,
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title: title,
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image_url: image,
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items: items
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}}
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end
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end
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