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feat: Display attached images if referenced in html #639

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feat: Display attached images if referenced in html #639

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13 changes: 13 additions & 0 deletions lib/bamboo/plug/sent_email_viewer/email_preview_plug.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,8 @@ defmodule Bamboo.SentEmailViewerPlug do

get "/:id/html" do
if email = SentEmail.get(id) do
email = rewrite_html_body_cids(email)

conn
|> Plug.Conn.put_resp_content_type("text/html")
|> send_resp(:ok, email.html_body || "")
Expand Down Expand Up @@ -125,4 +127,15 @@ defmodule Bamboo.SentEmailViewerPlug do
defp base_path(%{script_name: script_name}) do
"/" <> Enum.join(script_name, "/")
end

defp rewrite_html_body_cids(email) do
%{ email | html_body: email.html_body
|> String.replace(~r/cid:[^'"]+/, fn "cid:" <> id = cid ->
case Enum.find_index(email.attachments, &(&1.content_id == id)) do
nil -> cid
i -> "/sent_emails/#{email.private.local_adapter_id}/attachments/#{i}"
end
end)
}
end
end
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