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Parallelize template rendering

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rinpatch 2019-08-15 17:41:26 +03:00
commit 1ad71592ad
3 changed files with 48 additions and 12 deletions
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18
lib/pleroma/web/web.ex
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@ -66,9 +66,23 @@ defmodule Pleroma.Web do
end
@doc """
Same as `render_many/4` but wrapped in rescue block.
Same as `render_many/4` but wrapped in rescue block and parallelized (unless disabled by passing false as a fifth argument).
"""
def safe_render_many(collection, view, template, assigns \\ %{}) do
def safe_render_many(collection, view, template, assigns \\ %{}, parallel \\ true)
def safe_render_many(collection, view, template, assigns, true) do
Enum.map(collection, fn resource ->
Task.async(fn ->
as = Map.get(assigns, :as) || view.__resource__
assigns = Map.put(assigns, as, resource)
safe_render(view, template, assigns)
end)
end)
|> Enum.map(&Task.await(&1, :infinity))
|> Enum.filter(& &1)
end
def safe_render_many(collection, view, template, assigns, false) do
Enum.map(collection, fn resource ->
as = Map.get(assigns, :as) || view.__resource__
assigns = Map.put(assigns, as, resource)