feat: final draw csv generation (#445)

lib/safira_web/controllers/download_controller.ex

@@ -1,6 +1,8 @@
 defmodule SafiraWeb.DownloadController do
   use SafiraWeb, :controller
 
+  alias NimbleCSV.RFC4180, as: CSV
+
   alias Safira.Accounts
   alias Safira.Companies
 
@@ -49,6 +51,32 @@ defmodule SafiraWeb.DownloadController do
     end
   end
 
+  def final_draw(conn, _params) do
+    if user_authorized?(conn.assigns.current_user, "event", "show") do
+      conn =
+        conn
+        |> put_resp_content_type("text/csv")
+        |> put_resp_header("content-disposition", "attachment; filename=\"final_draw.csv\"")
+        |> send_chunked(200)
+
+      Accounts.list_attendees()
+      |> Stream.flat_map(&final_draw_lines/1)
+      |> Stream.map(&CSV.dump_to_iodata(&1))
+      |> Enum.reduce(conn, fn chunk, conn ->
+        case chunk(conn, chunk) do
+          {:ok, conn} -> conn
+          {:error, _reason} -> conn
+        end
+      end)
+    else
+      conn
+      |> put_flash(:error, "You do not have permission to view this resource")
+      |> put_status(403)
+      |> redirect(to: ~p"/")
+      |> halt()
+    end
+  end
+
   def cv_challenge(conn, _params) do
     if user_authorized?(conn.assigns.current_user, "attendees", "show") do
       data = write_cv_challenge_csv()
@@ -109,6 +137,16 @@ defmodule SafiraWeb.DownloadController do
     |> to_string()
   end
 
+  defp final_draw_lines(user) do
+    if user.attendee.entries < 10 do
+      []
+    else
+      for _ <- 1..user.attendee.entries do
+        [[user.id, user.name, user.handle]]
+      end
+    end
+  end
+
   defp write_cv_challenge_csv do
     Accounts.list_attendees_with_cv()
     |> Enum.map_join("\n", fn att ->

lib/safira_web/live/backoffice/event_live/index.html.heex

@@ -18,9 +18,13 @@
     <.link patch={~p"/dashboard/event/edit"}>
       <.button><%= gettext("Edit Settings") %></.button>
     </.link>
+
     <.link href={~p"/downloads/cv_challenge"} target="_blank">
       <.button><%= gettext("CV Challenge") %></.button>
     </.link>
+    <.link patch={~p"/downloads/final_draw"} target="_blank">
+      <.button><%= gettext("Export Final Draw CSV") %></.button>
+    </.link>
   </:actions>
 
   <div class="py-4">

lib/safira_web/router.ex

@@ -135,6 +135,7 @@ defmodule SafiraWeb.Router do
           get "/attendees", DownloadController, :attendees_data
           post "/qr_codes", DownloadController, :generate_credentials
           get "/cv_challenge", DownloadController, :cv_challenge
+          get "/final_draw", DownloadController, :final_draw
         end
 
         scope "/" do

mix.lock

@@ -36,7 +36,7 @@
   "metrics": {:hex, :metrics, "1.0.1", "25f094dea2cda98213cecc3aeff09e940299d950904393b2a29d191c346a8486", [:rebar3], [], "hexpm", "69b09adddc4f74a40716ae54d140f93beb0fb8978d8636eaded0c31b6f099f16"},
   "mime": {:hex, :mime, "2.0.6", "8f18486773d9b15f95f4f4f1e39b710045fa1de891fada4516559967276e4dc2", [:mix], [], "hexpm", "c9945363a6b26d747389aac3643f8e0e09d30499a138ad64fe8fd1d13d9b153e"},
   "mimerl": {:hex, :mimerl, "1.3.0", "d0cd9fc04b9061f82490f6581e0128379830e78535e017f7780f37fea7545726", [:rebar3], [], "hexpm", "a1e15a50d1887217de95f0b9b0793e32853f7c258a5cd227650889b38839fe9d"},
-  "mint": {:hex, :mint, "1.7.0", "8de92c0803203301d25490bf977c27d8fdbcb5de45f9ce5642b779e5c70a8b0b", [:mix], [{:castore, "~> 0.1.0 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: true]}, {:hpax, "~> 0.1.1 or ~> 0.2.0 or ~> 1.0", [hex: :hpax, repo: "hexpm", optional: false]}], "hexpm", "26d84aadf8ca4f0a1e8e5e6def96f8382e82e1dd091fd22c8858c4d4e5d2d970"},
+  "mint": {:hex, :mint, "1.7.1", "113fdb2b2f3b59e47c7955971854641c61f378549d73e829e1768de90fc1abf1", [:mix], [{:castore, "~> 0.1.0 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: true]}, {:hpax, "~> 0.1.1 or ~> 0.2.0 or ~> 1.0", [hex: :hpax, repo: "hexpm", optional: false]}], "hexpm", "fceba0a4d0f24301ddee3024ae116df1c3f4bb7a563a731f45fdfeb9d39a231b"},
   "nimble_csv": {:hex, :nimble_csv, "1.1.0", "b1dba4a86be9e03065c9de829050468e591f569100332db949e7ce71be0afc25", [:mix], [], "hexpm", "e986755bc302832cac429be6deda0fc9d82d3c82b47abefb68b3c17c9d949a3f"},
   "nimble_options": {:hex, :nimble_options, "1.1.1", "e3a492d54d85fc3fd7c5baf411d9d2852922f66e69476317787a7b2bb000a61b", [:mix], [], "hexpm", "821b2470ca9442c4b6984882fe9bb0389371b8ddec4d45a9504f00a66f650b44"},
   "nimble_pool": {:hex, :nimble_pool, "1.1.0", "bf9c29fbdcba3564a8b800d1eeb5a3c58f36e1e11d7b7fb2e084a643f645f06b", [:mix], [], "hexpm", "af2e4e6b34197db81f7aad230c1118eac993acc0dae6bc83bac0126d4ae0813a"},
@@ -60,7 +60,7 @@
   "ranch": {:hex, :ranch, "2.1.0", "2261f9ed9574dcfcc444106b9f6da155e6e540b2f82ba3d42b339b93673b72a3", [:make, :rebar3], [], "hexpm", "244ee3fa2a6175270d8e1fc59024fd9dbc76294a321057de8f803b1479e76916"},
   "ssl_verify_fun": {:hex, :ssl_verify_fun, "1.1.7", "354c321cf377240c7b8716899e182ce4890c5938111a1296add3ec74cf1715df", [:make, :mix, :rebar3], [], "hexpm", "fe4c190e8f37401d30167c8c405eda19469f34577987c76dde613e838bbc67f8"},
   "sweet_xml": {:hex, :sweet_xml, "0.7.5", "803a563113981aaac202a1dbd39771562d0ad31004ddbfc9b5090bdcd5605277", [:mix], [], "hexpm", "193b28a9b12891cae351d81a0cead165ffe67df1b73fe5866d10629f4faefb12"},
-  "swoosh": {:hex, :swoosh, "1.17.9", "23cedf2b07d5f4bfc2b9170f9e4e8435f401b5c0846a76acb619b15bad59177e", [:mix], [{:bandit, ">= 1.0.0", [hex: :bandit, repo: "hexpm", optional: true]}, {:cowboy, "~> 1.1 or ~> 2.4", [hex: :cowboy, repo: "hexpm", optional: true]}, {:ex_aws, "~> 2.1", [hex: :ex_aws, repo: "hexpm", optional: true]}, {:finch, "~> 0.6", [hex: :finch, repo: "hexpm", optional: true]}, {:gen_smtp, "~> 0.13 or ~> 1.0", [hex: :gen_smtp, repo: "hexpm", optional: true]}, {:hackney, "~> 1.9", [hex: :hackney, repo: "hexpm", optional: true]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}, {:mail, "~> 0.2", [hex: :mail, repo: "hexpm", optional: true]}, {:mime, "~> 1.1 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:mua, "~> 0.2.3", [hex: :mua, repo: "hexpm", optional: true]}, {:multipart, "~> 0.4", [hex: :multipart, repo: "hexpm", optional: true]}, {:plug, "~> 1.9", [hex: :plug, repo: "hexpm", optional: true]}, {:plug_cowboy, ">= 1.0.0", [hex: :plug_cowboy, repo: "hexpm", optional: true]}, {:req, "~> 0.5 or ~> 1.0", [hex: :req, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.2 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "b09e52cdc32f7d0061fc8d6ad9b116563e3fc26195e046ad21553d84c5d317d5"},
+  "swoosh": {:hex, :swoosh, "1.17.10", "3bfce0e716f92c85579c8b7bb390f1d287f388e4961bfb9343fe191ec4214225", [:mix], [{:bandit, ">= 1.0.0", [hex: :bandit, repo: "hexpm", optional: true]}, {:cowboy, "~> 1.1 or ~> 2.4", [hex: :cowboy, repo: "hexpm", optional: true]}, {:ex_aws, "~> 2.1", [hex: :ex_aws, repo: "hexpm", optional: true]}, {:finch, "~> 0.6", [hex: :finch, repo: "hexpm", optional: true]}, {:gen_smtp, "~> 0.13 or ~> 1.0", [hex: :gen_smtp, repo: "hexpm", optional: true]}, {:hackney, "~> 1.9", [hex: :hackney, repo: "hexpm", optional: true]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}, {:mail, "~> 0.2", [hex: :mail, repo: "hexpm", optional: true]}, {:mime, "~> 1.1 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:mua, "~> 0.2.3", [hex: :mua, repo: "hexpm", optional: true]}, {:multipart, "~> 0.4", [hex: :multipart, repo: "hexpm", optional: true]}, {:plug, "~> 1.9", [hex: :plug, repo: "hexpm", optional: true]}, {:plug_cowboy, ">= 1.0.0", [hex: :plug_cowboy, repo: "hexpm", optional: true]}, {:req, "~> 0.5 or ~> 1.0", [hex: :req, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.2 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "277f86c249089f4fc7d70944987151b76424fac1d348d40685008ba88e0a2717"},
   "tailwind": {:hex, :tailwind, "0.2.4", "5706ec47182d4e7045901302bf3a333e80f3d1af65c442ba9a9eed152fb26c2e", [:mix], [{:castore, ">= 0.0.0", [hex: :castore, repo: "hexpm", optional: false]}], "hexpm", "c6e4a82b8727bab593700c998a4d98cf3d8025678bfde059aed71d0000c3e463"},
   "telemetry": {:hex, :telemetry, "1.3.0", "fedebbae410d715cf8e7062c96a1ef32ec22e764197f70cda73d82778d61e7a2", [:rebar3], [], "hexpm", "7015fc8919dbe63764f4b4b87a95b7c0996bd539e0d499be6ec9d7f3875b79e6"},
   "telemetry_metrics": {:hex, :telemetry_metrics, "1.1.0", "5bd5f3b5637e0abea0426b947e3ce5dd304f8b3bc6617039e2b5a008adc02f8f", [:mix], [{:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "e7b79e8ddfde70adb6db8a6623d1778ec66401f366e9a8f5dd0955c56bc8ce67"},