add notification controller

lib/philomena/polymorphic.ex

@@ -17,12 +17,20 @@ defmodule Philomena.Polymorphic do
     "User" => Philomena.Users.User
   }
 
+  @preloads %{
+    "Comment" => [:user],
+    "Gallery" => [:creator],
+    "Image" => [:user],
+    "Post" => [:user],
+    "Topic" => [:forum, :user]
+  }
+
   # Deal with Rails polymorphism BS
   def load_polymorphic(structs, associations) when is_list(associations) do
     Enum.reduce(associations, structs, fn asc, acc -> load_polymorphic(acc, asc) end)
   end
 
-  def load_polymorphic(structs, {name, {id, type}}) do
+  def load_polymorphic(structs, {name, [{id, type}]}) do
     modules_and_ids =
       structs
       |> Enum.group_by(&Map.get(&1, type), &Map.get(&1, id))
@@ -34,9 +42,11 @@ defmodule Philomena.Polymorphic do
           {nil, []}
 
         {type, ids} ->
+          pre = Map.get(@preloads, type, [])
           rows =
             @classes[type]
             |> where([m], m.id in ^ids)
+            |> preload(^pre)
             |> Repo.all()
             |> Map.new(fn r -> {r.id, r} end)
 

lib/philomena/users/user.ex

@@ -21,6 +21,8 @@ defmodule Philomena.Users.User do
     has_many :public_links, Philomena.UserLinks.UserLink, where: [public: true, aasm_state: "verified"]
     has_many :galleries, Philomena.Galleries.Gallery, foreign_key: :creator_id
     has_many :awards, Philomena.Badges.Award
+    has_many :unread_notifications, Philomena.Notifications.UnreadNotification
+    has_many :notifications, through: [:unread_notifications, :notification]
 
     belongs_to :current_filter, Philomena.Filters.Filter
     belongs_to :deleted_by_user, Philomena.Users.User

lib/philomena_web/controllers/notification_controller.ex

@@ -0,0 +1,33 @@
+defmodule PhilomenaWeb.NotificationController do
+  use PhilomenaWeb, :controller
+
+  alias Philomena.Notifications.{UnreadNotification, Notification}
+  alias Philomena.Polymorphic
+  alias Philomena.Repo
+  import Ecto.Query
+
+  def index(conn, _params) do
+    user = conn.assigns.current_user
+
+    notifications =
+      from n in Notification,
+        join: un in UnreadNotification, on: un.notification_id == n.id,
+        where: un.user_id == ^user.id
+
+    notifications =
+      notifications
+      |> Repo.paginate(conn.assigns.scrivener)
+
+    entries =
+      notifications.entries
+      |> Polymorphic.load_polymorphic(
+        actor: [actor_id: :actor_type],
+        actor_child: [actor_child_id: :actor_child_type]
+      )
+
+    notifications =
+      %{notifications | entries: entries}
+
+    render(conn, "index.html", notifications: notifications)
+  end
+end

lib/philomena_web/router.ex

@@ -49,6 +49,12 @@ defmodule PhilomenaWeb.Router do
     end
   end
 
+  scope "/", PhilomenaWeb do
+    pipe_through [:browser, :ensure_totp, :protected]
+
+    resources "/notifications", NotificationController, only: [:index, :delete]
+  end
+
   scope "/", PhilomenaWeb do
     pipe_through [:browser, :ensure_totp]
 

lib/philomena_web/templates/notification/_channel.html.slime

@@ -0,0 +1,4 @@
+strong>
+  = link @notification.actor.title, to: "#"
+  /= link @notification.actor.title, to: Routes.channel_path(@conn, :show, notification.actor)
+=<> @notification.action

lib/philomena_web/templates/notification/_forum.html.slime

@@ -0,0 +1,14 @@
+- forum = @notification.actor
+- topic = @notification.actor_child
+
+=> render PhilomenaWeb.UserAttributionView, "_anon_user.html", object: topic
+=> @notification.action
+
+' titled
+
+strong>
+  = link topic.title, to: Routes.forum_topic_path(@conn, :show, forum, topic)
+
+' in
+
+=> link forum.name, to: Routes.forum_path(@conn, :show, forum)

lib/philomena_web/templates/notification/_gallery.html.slime

@@ -0,0 +1,6 @@
+=> render PhilomenaWeb.UserAttributionView, "_user.html", object: %{user: @notification.actor.creator}
+=> @notification.action
+
+strong>
+  = link @notification.actor.title, to: "#"
+  /= link @notification.actor.title, to: Routes.gallery_path(@conn, :show, @notification.actor)

lib/philomena_web/templates/notification/_image.html.slime

@@ -0,0 +1,5 @@
+=> render PhilomenaWeb.UserAttributionView, "_anon_user.html", object: @notification.actor_child
+=> @notification.action
+
+strong
+  = link "##{@notification.actor_id}", to: Routes.image_path(@conn, :show, @notification.actor) <> "#comments"

lib/philomena_web/templates/notification/_notification.html.slime

@@ -0,0 +1,14 @@
+= if @notification.actor do
+  .block.block--fixed.flex class="js-notification-id-#{@notification.id}"
+    = if @notification.actor_type == "Image" and @notification.actor do
+      .flex.flex--centered.flex__fixed.thumb-tiny-container.spacing-right
+        = render PhilomenaWeb.ImageView, "_image_container.html", image: @notification.actor, size: :thumb_tiny, conn: @conn
+    .flex.flex--centered.flex__grow
+      div
+        => render PhilomenaWeb.NotificationView, notification_template_path(@notification.actor_type), notification: @notification
+        => pretty_time @notification.updated_at
+    .flex.flex--centered.flex--no-wrap
+      a.button.button--separate-right title="Delete" data-click-markread=@notification.id
+        i.fa.fa-trash
+      a.button title="Unsubscribe" data-subscription-id=@notification.actor_id data-subscription-type=@notification.actor_type data-click-togglesubscription="unwatch" data-click-hide=".js-notification-id-#{@notification.id}"
+        .fa.fa-bell-slash

lib/philomena_web/templates/notification/_topic.html.slime

@@ -0,0 +1,8 @@
+- topic = @notification.actor
+- post = @notification.actor_child
+
+=> render PhilomenaWeb.UserAttributionView, "_anon_user.html", object: post
+=> @notification.action
+
+strong
+  = link topic.title, to: Routes.forum_topic_path(@conn, :show, topic.forum, topic, post_id: post.id) <> "#post_#{post.id}"

lib/philomena_web/templates/notification/index.html.slime

@@ -0,0 +1,12 @@
+- route = fn p -> Routes.notification_path(@conn, :index, p) end
+
+h1 Notification Area
+.walloftext
+  .block__header
+    = render PhilomenaWeb.PaginationView, "_pagination.html", page: @notifications, route: route
+
+  = for notification <- @notifications do
+    = render PhilomenaWeb.NotificationView, "_notification.html", notification: notification
+
+p To get notifications on new comments and forum posts, click the 'Subscribe' button in the bar at the top of an image or forum topic. You'll get notifications here for any new posts or comments.
+p By default you'll be subscribed to any images or topics you reply to. You can configure this in your user settings page.

lib/philomena_web/views/notification_view.ex

@@ -0,0 +1,16 @@
+defmodule PhilomenaWeb.NotificationView do
+  use PhilomenaWeb, :view
+
+  @template_paths %{
+    "Channel" => "_channel.html",
+    "Forum" => "_forum.html",
+    "Gallery" => "_gallery.html",
+    "Image" => "_image.html",
+    "LivestreamChannel" => "_channel.html",
+    "Topic" => "_topic.html"
+  }
+
+  def notification_template_path(actor_type) do
+    @template_paths[actor_type]
+  end
+end