mobilizon-frontend/lib/web/templates/email/activity/_conversation_activity_item.html.heex

<%= case @activity.subject do %>
  <% :conversation_created -> %>
    {dgettext("activity", "%{profile} mentionned you in a %{conversation}.", %{
      profile: "<b>#{escaped_display_name_and_username(@activity.author)}</b>",
      conversation:
        "<a href=\"#{~p"/conversations/#{@activity.subject_params["conversation_participant_id"]}" |> url() |> URI.decode()}\">conversation</a>"
    })
    |> raw}
  <% :conversation_replied -> %>
    {dgettext("activity", "%{profile} replied you in a %{conversation}.", %{
      profile: "<b>#{escaped_display_name_and_username(@activity.author)}</b>",
      conversation:
        "<a href=\"#{~p"/conversations/#{@activity.subject_params["conversation_participant_id"]}" |> url() |> URI.decode()}\">conversation</a>"
    })
    |> raw}
<% end %>