From c984872066950fa82580b195a4268e8768baf478 Mon Sep 17 00:00:00 2001
From: "byte[]" <byteslice@airmail.cc>
Date: Mon, 30 Sep 2019 21:12:38 -0400
Subject: [PATCH] become canadian

---
 lib/philomena/users/ability.ex       | 20 ++++++++++++++++++++
 mix.exs                              |  3 ++-
 mix.lock                             |  1 +
 test/philomena/poll_options_test.exs |  9 +++++++--
 test/philomena/topics_test.exs       |  9 +++++++--
 5 files changed, 37 insertions(+), 5 deletions(-)
 create mode 100644 lib/philomena/users/ability.ex

diff --git a/lib/philomena/users/ability.ex b/lib/philomena/users/ability.ex
new file mode 100644
index 00000000..d7c0009e
--- /dev/null
+++ b/lib/philomena/users/ability.ex
@@ -0,0 +1,20 @@
+defimpl Canada.Can, for: [Atom, Philomena.Users.User] do
+  alias Philomena.Users.User
+  alias Philomena.Images.Image
+
+  # Admins can do anything
+  def can?(%User{role: "admin"}, _action, _model), do: true
+
+  # Users can...
+
+  # View non-deleted images
+  def can?(_user, action, Image)
+      when action in [:new, :create, :index],
+      do: true
+
+  def can?(_user, :read, %Image{hidden_from_users: true}), do: false
+  def can?(_user, :read, %Image{hidden_from_users: false}), do: true
+
+  # Otherwise...
+  def can?(_user, _action, _model), do: false
+end
diff --git a/mix.exs b/mix.exs
index d47c1910..097fc9e3 100644
--- a/mix.exs
+++ b/mix.exs
@@ -50,7 +50,8 @@ defmodule Philomena.MixProject do
       {:pot, "~> 0.10.1"},
       {:secure_compare, "~> 0.1.0"},
       {:elastix, "~> 0.7.1"},
-      {:nimble_parsec, "~> 0.5.1"}
+      {:nimble_parsec, "~> 0.5.1"},
+      {:canary, "~> 1.1.1"}
     ]
   end
 
diff --git a/mix.lock b/mix.lock
index af277f52..0c5c697f 100644
--- a/mix.lock
+++ b/mix.lock
@@ -1,5 +1,6 @@
 %{
   "bcrypt_elixir": {:hex, :bcrypt_elixir, "2.0.3", "64e0792d5b5064391927bf3b8e436994cafd18ca2d2b76dea5c76e0adcf66b7c", [:make, :mix], [{:comeonin, "~> 5.1", [hex: :comeonin, repo: "hexpm", optional: false]}, {:elixir_make, "~> 0.4", [hex: :elixir_make, repo: "hexpm", optional: false]}], "hexpm"},
+  "canada": {:hex, :canada, "2.0.0", "ce5e058f576a0625959fc5427fcde15311fb28a5ebc13775eafd13468ad16553", [:mix], [], "hexpm"},
   "certifi": {:hex, :certifi, "2.5.1", "867ce347f7c7d78563450a18a6a28a8090331e77fa02380b4a21962a65d36ee5", [:rebar3], [{:parse_trans, "~>3.3", [hex: :parse_trans, repo: "hexpm", optional: false]}], "hexpm"},
   "comeonin": {:hex, :comeonin, "5.1.2", "fbbbbbfcf0f0e9900c0336d16c8d462edf838ba1759577e29cc5fbd7c28a4540", [:mix], [], "hexpm"},
   "connection": {:hex, :connection, "1.0.4", "a1cae72211f0eef17705aaededacac3eb30e6625b04a6117c1b2db6ace7d5976", [:mix], [], "hexpm"},
diff --git a/test/philomena/poll_options_test.exs b/test/philomena/poll_options_test.exs
index 441a7291..e65f24a5 100644
--- a/test/philomena/poll_options_test.exs
+++ b/test/philomena/poll_options_test.exs
@@ -39,12 +39,17 @@ defmodule Philomena.PollOptionsTest do
 
     test "update_poll_option/2 with valid data updates the poll_option" do
       poll_option = poll_option_fixture()
-      assert {:ok, %PollOption{} = poll_option} = PollOptions.update_poll_option(poll_option, @update_attrs)
+
+      assert {:ok, %PollOption{} = poll_option} =
+               PollOptions.update_poll_option(poll_option, @update_attrs)
     end
 
     test "update_poll_option/2 with invalid data returns error changeset" do
       poll_option = poll_option_fixture()
-      assert {:error, %Ecto.Changeset{}} = PollOptions.update_poll_option(poll_option, @invalid_attrs)
+
+      assert {:error, %Ecto.Changeset{}} =
+               PollOptions.update_poll_option(poll_option, @invalid_attrs)
+
       assert poll_option == PollOptions.get_poll_option!(poll_option.id)
     end
 
diff --git a/test/philomena/topics_test.exs b/test/philomena/topics_test.exs
index 08e3ca97..02aa1c13 100644
--- a/test/philomena/topics_test.exs
+++ b/test/philomena/topics_test.exs
@@ -96,12 +96,17 @@ defmodule Philomena.TopicsTest do
 
     test "update_subscription/2 with valid data updates the subscription" do
       subscription = subscription_fixture()
-      assert {:ok, %Subscription{} = subscription} = Topics.update_subscription(subscription, @update_attrs)
+
+      assert {:ok, %Subscription{} = subscription} =
+               Topics.update_subscription(subscription, @update_attrs)
     end
 
     test "update_subscription/2 with invalid data returns error changeset" do
       subscription = subscription_fixture()
-      assert {:error, %Ecto.Changeset{}} = Topics.update_subscription(subscription, @invalid_attrs)
+
+      assert {:error, %Ecto.Changeset{}} =
+               Topics.update_subscription(subscription, @invalid_attrs)
+
       assert subscription == Topics.get_subscription!(subscription.id)
     end