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riptide
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A data first framework for building realtime applications
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lib/riptide/handlers/query.ex
defmodule Riptide.Handler.Query do
@moduledoc false
use Riptide.Handler
def handle_call("riptide.query", query, state) do
case Riptide.query(query, state) do
{:error, msg} ->
{:error, msg, state}
{:ok, result} ->
layers = Riptide.Query.flatten(query)
Enum.each(layers, fn {path, opts} ->
if opts[:subscribe] === true do
Riptide.Subscribe.watch(path)
end
end)
{:reply,
layers
|> Enum.reduce(Riptide.Mutation.new(result), fn {path, opts}, collect ->
opts
|> Map.keys()
|> Enum.any?(fn key -> Enum.member?([:limit, :min, :max], key) end)
|> case do
true -> Riptide.Mutation.delete(collect, path)
false -> collect
end
end), state}
end
end
end