Move Sentry request context to new module and load it everytime

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/web/request_context.ex

@@ -0,0 +1,26 @@
+defmodule Mobilizon.Web.RequestContext do
+  @moduledoc """
+  Module to put some context into the request
+  """
+
+  @spec put_request_context(Plug.Conn.t(), Keyword.t()) :: Plug.Conn.t()
+  def put_request_context(%Plug.Conn{} = conn, _opts \\ []) do
+    if Application.get_env(:sentry, :dsn) != nil do
+      Sentry.Context.set_request_context(%{
+        url: Plug.Conn.request_url(conn),
+        method: conn.method,
+        headers: %{
+          "User-Agent": conn |> Plug.Conn.get_req_header("user-agent") |> List.first(),
+          Referer: conn |> Plug.Conn.get_req_header("referer") |> List.first()
+        },
+        query_string: conn.query_string,
+        env: %{
+          REQUEST_ID: conn |> Plug.Conn.get_resp_header("x-request-id") |> List.first(),
+          SERVER_NAME: conn.host
+        }
+      })
+    end
+
+    conn
+  end
+end