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Tidy up the code. Rename key to signature

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This commit is contained in:
Rin Toshaka 2018-12-30 15:58:19 +01:00
parent 66d1c31461
commit bce152aba0
1 changed files with 27 additions and 26 deletions
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51
lib/pleroma/web/common_api/utils.ex
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@ -271,49 +271,50 @@ def get_scrubbed_html(
%{data: %{"object" => object}} = activity
) do
scrubber_cache =
if object["scrubber_cache"] != nil and is_list(object["scrubber_cache"]) do
if is_list(object["scrubber_cache"]) do
object["scrubber_cache"]
else
[]
end
key = generate_scrubber_key(scrubbers)
signature = generate_scrubber_signature(scrubbers)
{new_scrubber_cache, scrubbed_html} =
Enum.map_reduce(scrubber_cache, nil, fn %{
"scrubbers" => current_key,
"content" => current_content
} = current_element,
_content ->
if Map.keys(current_key) == Map.keys(key) do
if current_key == key do
{current_element, current_content}
else
# Remove the entry if scrubber version is outdated
{nil, nil}
Enum.map_reduce(scrubber_cache, nil, fn
entry, _content ->
if Map.keys(entry["scrubbers"]) == Map.keys(signature) do
if entry["scrubbers"] == signature do
{entry, entry["content"]}
else
# Remove the entry if scrubber version is outdated
{nil, nil}
end
end
end
end)
# Remove nil objects
new_scrubber_cache = Enum.reject(new_scrubber_cache, &is_nil/1)
if scrubbed_html == nil or new_scrubber_cache != scrubber_cache do
scrubbed_html = HTML.filter_tags(content, scrubbers)
new_scrubber_cache = [%{:scrubbers => key, :content => scrubbed_html} | new_scrubber_cache]
new_scrubber_cache = [%{:scrubbers => signature, :content => scrubbed_html} | new_scrubber_cache]
update_scrubber_cache(activity, new_scrubber_cache)
scrubbed_html
else
scrubbed_html
end
scrubbed_html
end
defp generate_scrubber_key(scrubbers) do
Enum.reduce(scrubbers, %{}, fn scrubber, acc ->
Map.put(acc, to_string(scrubber), scrubber.version)
defp generate_scrubber_signature(scrubbers) do
Enum.reduce(scrubbers, %{}, fn scrubber, signature ->
Map.put(signature, to_string(scrubber), scrubber.version)
end)
end
defp update_scrubber_cache(activity, scrubber_cache) do
cng = Object.change(activity, %{data: Kernel.put_in(activity.data, ["object", "scrubber_cache"], scrubber_cache)})
{:ok, _struct} = Repo.update(cng)
end
defp update_scrubber_cache(activity, scrubber_cache) do
cng =
Object.change(activity, %{
data: Kernel.put_in(activity.data, ["object", "scrubber_cache"], scrubber_cache)
})
{:ok, _struct} = Repo.update(cng)
end
end