query
|> prepare_tags()
|> Enum.map(fn tag ->
- tag = String.trim_leading(tag, "#")
%{name: tag, url: tags_path <> tag}
end)
end
defp resource_search(:v1, "hashtags", query, _options) do
- query
- |> prepare_tags()
- |> Enum.map(fn tag -> String.trim_leading(tag, "#") end)
+ prepare_tags(query)
end
- defp prepare_tags(query) do
- query
- |> String.split()
- |> Enum.uniq()
- |> Enum.filter(fn tag -> String.starts_with?(tag, "#") end)
+ defp prepare_tags(query, add_joined_tag \\ true) do
+ tags =
+ query
+ |> preprocess_uri_query()
+ |> String.split(~r/[^#\w]+/u, trim: true)
+ |> Enum.uniq_by(&String.downcase/1)
+
+ explicit_tags = Enum.filter(tags, fn tag -> String.starts_with?(tag, "#") end)
+
+ tags =
+ if Enum.any?(explicit_tags) do
+ explicit_tags
+ else
+ tags
+ end
+
+ tags = Enum.map(tags, fn tag -> String.trim_leading(tag, "#") end)
+
+ if Enum.empty?(explicit_tags) && add_joined_tag do
+ tags
+ |> Kernel.++([joined_tag(tags)])
+ |> Enum.uniq_by(&String.downcase/1)
+ else
+ tags
+ end
+ end
+
+ # If `query` is a URI, returns last component of its path, otherwise returns `query`
+ defp preprocess_uri_query(query) do
+ if query =~ ~r/https?:\/\// do
+ query
+ |> String.trim_trailing("/")
+ |> URI.parse()
+ |> Map.get(:path)
+ |> String.split("/")
+ |> Enum.at(-1)
+ else
+ query
+ end
+ end
+
+ defp joined_tag(tags) do
+ tags
+ |> Enum.map(fn tag -> String.capitalize(tag) end)
+ |> Enum.join()
end
defp with_fallback(f, fallback \\ []) do