From a0eec8eadae94a71974868ac8d48820e0662857b Mon Sep 17 00:00:00 2001
From: Guillermo Ramos
Date: Wed, 5 Feb 2020 14:17:41 +0100
Subject: Download attachments

---
 lib/waev_web/controllers/exports_controller.ex | 13 +++++++++++++
 lib/waev_web/router.ex                         |  1 +
 lib/waev_web/templates/exports/show.html.eex   |  8 ++++++--
 3 files changed, 20 insertions(+), 2 deletions(-)

(limited to 'lib/waev_web')

diff --git a/lib/waev_web/controllers/exports_controller.ex b/lib/waev_web/controllers/exports_controller.ex
index a3dde48..fd776a9 100644
--- a/lib/waev_web/controllers/exports_controller.ex
+++ b/lib/waev_web/controllers/exports_controller.ex
@@ -13,4 +13,17 @@ defmodule WaevWeb.ExportsController do
         |> render("404.html")
     end
   end
+
+  def get_attachment(conn, %{"id" => id, "at_id" => at_id}) do
+    case Waev.Export.Message.File.path(id, at_id) do
+      {:ok, path} ->
+        send_download(conn, {:file, path}, filename: at_id)
+
+      :error ->
+        conn
+        |> put_status(:not_found)
+        |> put_view(WaevWeb.ErrorView)
+        |> render("404.html")
+    end
+  end
 end
diff --git a/lib/waev_web/router.ex b/lib/waev_web/router.ex
index edd2c69..54667a8 100644
--- a/lib/waev_web/router.ex
+++ b/lib/waev_web/router.ex
@@ -19,6 +19,7 @@ defmodule WaevWeb.Router do
     get "/", PageController, :index
     # index,edit,new,show,create,update
     resources "/exports", ExportsController, only: [:show]
+    get "/exports/:id/attachments/:at_id", ExportsController, :get_attachment
   end
 
   # Other scopes may use custom stacks.
diff --git a/lib/waev_web/templates/exports/show.html.eex b/lib/waev_web/templates/exports/show.html.eex
index 2d72e2e..77727a8 100644
--- a/lib/waev_web/templates/exports/show.html.eex
+++ b/lib/waev_web/templates/exports/show.html.eex
@@ -20,8 +20,12 @@ ID: <%= @id %>
           <div class="column wa-message column-50 column-offset-25">
       <% end %>
         <%= case message.attachment do %>
-          <% %Waev.Export.Message.File{filename: filename} -> %>
-            <a href="#"><%= filename %></a>
+          <% %Waev.Export.Message.File{filename: filename} = file -> %>
+            <%= if file.available do %>
+              <a href="<%= Routes.exports_path(@conn, :get_attachment, @id, filename) %>"><%= filename %></a>
+            <% else %>
+              <i><%= filename %></i> (fichero adjunto no disponible)
+            <% end %>
           <% nil -> %>
         <% end %>
         <%= message.text %>
-- 
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