end
def handle_incoming(xml_string) do
- doc = parse_document(xml_string)
- entries = :xmerl_xpath.string('//entry', doc)
-
- activities = Enum.map(entries, fn (entry) ->
- {:xmlObj, :string, object_type} = :xmerl_xpath.string('string(/entry/activity:object-type[1])', entry)
- {:xmlObj, :string, verb} = :xmerl_xpath.string('string(/entry/activity:verb[1])', entry)
- Logger.debug("Handling #{verb}")
-
- try do
- case verb do
- 'http://activitystrea.ms/schema/1.0/delete' ->
- with {:ok, activity} <- DeleteHandler.handle_delete(entry, doc), do: activity
- 'http://activitystrea.ms/schema/1.0/follow' ->
- with {:ok, activity} <- FollowHandler.handle(entry, doc), do: activity
- 'http://activitystrea.ms/schema/1.0/share' ->
- with {:ok, activity, retweeted_activity} <- handle_share(entry, doc), do: [activity, retweeted_activity]
- 'http://activitystrea.ms/schema/1.0/favorite' ->
- with {:ok, activity, favorited_activity} <- handle_favorite(entry, doc), do: [activity, favorited_activity]
- _ ->
- case object_type do
- 'http://activitystrea.ms/schema/1.0/note' ->
- with {:ok, activity} <- NoteHandler.handle_note(entry, doc), do: activity
- 'http://activitystrea.ms/schema/1.0/comment' ->
- with {:ok, activity} <- NoteHandler.handle_note(entry, doc), do: activity
- _ ->
- Logger.error("Couldn't parse incoming document")
- nil
- end
- end
- rescue
- e ->
- Logger.error("Error occured while handling activity")
+ with doc when doc != :error <- parse_document(xml_string) do
+ entries = :xmerl_xpath.string('//entry', doc)
+
+ activities = Enum.map(entries, fn (entry) ->
+ {:xmlObj, :string, object_type} = :xmerl_xpath.string('string(/entry/activity:object-type[1])', entry)
+ {:xmlObj, :string, verb} = :xmerl_xpath.string('string(/entry/activity:verb[1])', entry)
+ Logger.debug("Handling #{verb}")
+
+ try do
+ case verb do
+ 'http://activitystrea.ms/schema/1.0/delete' ->
+ with {:ok, activity} <- DeleteHandler.handle_delete(entry, doc), do: activity
+ 'http://activitystrea.ms/schema/1.0/follow' ->
+ with {:ok, activity} <- FollowHandler.handle(entry, doc), do: activity
+ 'http://activitystrea.ms/schema/1.0/share' ->
+ with {:ok, activity, retweeted_activity} <- handle_share(entry, doc), do: [activity, retweeted_activity]
+ 'http://activitystrea.ms/schema/1.0/favorite' ->
+ with {:ok, activity, favorited_activity} <- handle_favorite(entry, doc), do: [activity, favorited_activity]
+ _ ->
+ case object_type do
+ 'http://activitystrea.ms/schema/1.0/note' ->
+ with {:ok, activity} <- NoteHandler.handle_note(entry, doc), do: activity
+ 'http://activitystrea.ms/schema/1.0/comment' ->
+ with {:ok, activity} <- NoteHandler.handle_note(entry, doc), do: activity
+ _ ->
+ Logger.error("Couldn't parse incoming document")
+ nil
+ end
+ end
+ rescue
+ e ->
+ Logger.error("Error occured while handling activity")
Logger.error(inspect(e))
nil
- end
- end)
- |> Enum.filter(&(&1))
+ end
+ end)
+ |> Enum.filter(&(&1))
- {:ok, activities}
+ {:ok, activities}
+ else
+ _e -> {:error, []}
+ end
end
def make_share(entry, doc, retweeted_activity) do
else e ->
Logger.debug("Couldn't get, will try to fetch")
with href when not is_nil(href) <- string_from_xpath("//activity:object[1]/link[@type=\"text/html\"]/@href", entry),
- {:ok, [favorited_activity]} <- fetch_activity_from_html_url(href) do
+ {:ok, [favorited_activity]} <- fetch_activity_from_url(href) do
{:ok, favorited_activity}
else e -> Logger.debug("Couldn't find href: #{inspect(e)}")
end
end
end
+ def fetch_activity_from_atom_url(url) do
+ with {:ok, %{body: body, status_code: code}} when code in 200..299 <- @httpoison.get(url, [Accept: "application/atom+xml"], follow_redirect: true, timeout: 10000, recv_timeout: 20000) do
+ Logger.debug("Got document from #{url}, handling...")
+ handle_incoming(body)
+ else e -> Logger.debug("Couldn't get #{url}: #{inspect(e)}")
+ end
+ end
+
def fetch_activity_from_html_url(url) do
Logger.debug("Trying to fetch #{url}")
with {:ok, %{body: body}} <- @httpoison.get(url, [], follow_redirect: true, timeout: 10000, recv_timeout: 20000),
- {:ok, atom_url} <- get_atom_url(body),
- {:ok, %{status_code: code, body: body}} when code in 200..299 <- @httpoison.get(atom_url, [], follow_redirect: true, timeout: 10000, recv_timeout: 20000) do
- Logger.debug("Got document from #{url}, handling...")
- handle_incoming(body)
+ {:ok, atom_url} <- get_atom_url(body) do
+ fetch_activity_from_atom_url(atom_url)
else e -> Logger.debug("Couldn't get #{url}: #{inspect(e)}")
end
end
+
+ def fetch_activity_from_url(url) do
+ with {:ok, activities} <- fetch_activity_from_atom_url(url) do
+ {:ok, activities}
+ else
+ _e -> with {:ok, activities} <- fetch_activity_from_html_url(url) do
+ {:ok, activities}
+ end
+ end
+ end
end