mobilizon.chapril.org-mobil.../lib/service/front_end_analytics/analytics.ex

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defmodule Mobilizon.Service.FrontEndAnalytics do
@moduledoc """
Behaviour for any analytics service
"""
@callback id() :: String.t()
@doc """
Whether the service is enabled
"""
@callback enabled?() :: boolean()
@doc """
The configuration for the service
"""
@callback configuration() :: keyword()
@doc """
The CSP configuration to add for the service to work
"""
@callback csp() :: keyword()
@spec providers :: list(module())
def providers do
:mobilizon
|> Application.get_env(:analytics, [])
|> Keyword.get(:providers, [])
end
@spec config :: map()
def config do
Enum.reduce(providers(), [], &load_config/2)
end
@spec csp :: keyword()
def csp do
providers()
|> Enum.map(& &1.csp())
|> Enum.reduce([], &merge_csp_config/2)
end
@spec load_config(module(), list(map())) :: list(map())
defp load_config(provider, acc) do
acc ++
[
%{
id: provider.id(),
enabled: provider.enabled?(),
configuration: convert_config(provider.configuration())
}
]
end
@spec convert_config(Keyword.t()) :: list(map())
defp convert_config(config) do
Enum.reduce(config, [], fn {key, val}, acc ->
acc ++ [%{key: key, value: val, type: type(val)}]
end)
end
defp type(val) when is_integer(val), do: :integer
defp type(val) when is_float(val), do: :float
defp type(val) when is_boolean(val), do: :boolean
defp type(val) when is_binary(val), do: :string
defp merge_csp_config(config, global_config) do
Keyword.merge(global_config, config, fn _key, global, config ->
global ++ config
end)
end
end