diff --git a/lib/frenzy/feed.ex b/lib/frenzy/feed.ex
index facd90c..82bb9f2 100644
--- a/lib/frenzy/feed.ex
+++ b/lib/frenzy/feed.ex
@@ -32,6 +32,6 @@ defmodule Frenzy.Feed do
     feed
     |> cast(attrs, [:title, :feed_url, :site_url, :last_updated, :filter_enabled])
     |> cast_assoc(:filter, required: true)
-    |> validate_required([:feed_url])
+    |> validate_required([:feed_url, :filter])
   end
 end
diff --git a/lib/frenzy/item.ex b/lib/frenzy/item.ex
index 5b6a83f..4e98856 100644
--- a/lib/frenzy/item.ex
+++ b/lib/frenzy/item.ex
@@ -11,7 +11,7 @@ defmodule Frenzy.Item do
       html: item.content,
       url: item.url,
       is_saved: 0,
-      is_read: (if item.read, do: 1, else: 0),
+      is_read: if(item.read, do: 1, else: 0),
       created_on_time: Timex.to_unix(item.date)
     }
   end
diff --git a/lib/frenzy/update_feeds.ex b/lib/frenzy/update_feeds.ex
index a26bde6..c691f7e 100644
--- a/lib/frenzy/update_feeds.ex
+++ b/lib/frenzy/update_feeds.ex
@@ -156,7 +156,7 @@ defmodule Frenzy.UpdateFeeds do
 
       {:ok, %HTTPoison.Response{status_code: 301, headers: headers}} ->
         {"Location", new_url} =
-          Enum.find(headers, fn {name, value} ->
+          Enum.find(headers, fn {name, _value} ->
             name == "Location"
           end)
 
diff --git a/lib/frenzy_web/controllers/feed_controller.ex b/lib/frenzy_web/controllers/feed_controller.ex
index 6772ee5..64142f8 100644
--- a/lib/frenzy_web/controllers/feed_controller.ex
+++ b/lib/frenzy_web/controllers/feed_controller.ex
@@ -25,17 +25,17 @@ defmodule FrenzyWeb.FeedController do
     render(conn, "new.html", changeset: changeset)
   end
 
-  def create(conn, %{"feed" => feed}) do
+  def create(conn, %{"feed" => %{"feed_url" => feed_url}}) do
     changeset =
       Feed.changeset(
         %Feed{
+          feed_url: feed_url,
           filter: %Filter{
-            mode: "accept",
-            score: 0,
-            rules: []
+            mode: "reject",
+            score: 0
           }
         },
-        feed
+        %{}
       )
 
     {:ok, feed} = Repo.insert(changeset)
@@ -50,7 +50,7 @@ defmodule FrenzyWeb.FeedController do
   end
 
   def disable_filter(conn, %{"id" => id}) do
-    feed = Repo.get(Feed, id)
+    feed = Repo.get(Feed, id) |> Repo.preload(:filter)
     changeset = Feed.changeset(feed, %{filter_enabled: false})
     Repo.update(changeset)
     redirect(conn, to: Routes.feed_path(Endpoint, :show, id))
@@ -63,7 +63,7 @@ defmodule FrenzyWeb.FeedController do
   end
 
   def refresh(conn, %{"id" => id}) do
-    feed = Repo.get(Feed, id)
+    feed = Repo.get(Feed, id) |> Repo.preload(:filter)
     feed = Frenzy.UpdateFeeds.refresh(Frenzy.UpdateFeeds, feed)
     redirect(conn, to: Routes.feed_path(Endpoint, :show, feed.id))
   end
diff --git a/lib/frenzy_web/controllers/fever_controller.ex b/lib/frenzy_web/controllers/fever_controller.ex
index daab9fc..33b2d4a 100644
--- a/lib/frenzy_web/controllers/fever_controller.ex
+++ b/lib/frenzy_web/controllers/fever_controller.ex
@@ -21,6 +21,7 @@ defmodule FrenzyWeb.FeverController do
     case validate_key(api_key) do
       :invalid ->
         resp(conn, 401, "Invalid API key")
+
       :ok ->
         json(conn, fever_response(params))
     end
@@ -31,14 +32,16 @@ defmodule FrenzyWeb.FeverController do
     username = auth[:username]
     password = auth[:password]
     expected = :crypto.hash(:md5, "#{username}:#{password}") |> Base.encode16(case: :lower)
-    case api_key |> String.downcase do
+
+    case api_key |> String.downcase() do
       ^expected -> :ok
       _ -> :invalid
     end
   end
 
   defp fever_response(params) do
-    res = %{api_version: 2, auth: 1}
+    res =
+      %{api_version: 2, auth: 1}
       |> mark(params)
       |> unread_recently_read(params)
       |> groups(params)
@@ -52,98 +55,135 @@ defmodule FrenzyWeb.FeverController do
 
   defp mark(res, %{"mark" => "item", "id" => id, "as" => as} = params) do
     item = Repo.get(Item, id) |> Repo.preload(:feed)
-    diff = case as do
-      "read" ->
-        %{read: true, read_date: Timex.now}
-      "unread" ->
-        %{read: false, read_date: nil}
-      _ ->
-        %{}
-    end
+
+    diff =
+      case as do
+        "read" ->
+          %{read: true, read_date: Timex.now()}
+
+        "unread" ->
+          %{read: false, read_date: nil}
+
+        _ ->
+          %{}
+      end
+
     changeset = Item.changeset(item, diff)
     Repo.update(changeset)
     res
   end
+
   defp mark(res, _), do: res
 
   defp unread_recently_read(res, %{"unread_recently_read" => 1}) do
     Repo.all(from i in Item, where: i.read, where: i.read_date >= from_now(-1, "hour"))
-      |> Enum.map(fn i -> Item.changeset(i, %{read: false, read_date: nil}) end)
-      |> Enum.map(&Repo.update/1)
+    |> Enum.map(fn i -> Item.changeset(i, %{read: false, read_date: nil}) end)
+    |> Enum.map(&Repo.update/1)
+
     res
   end
+
   defp unread_recently_read(res, _), do: res
 
   defp groups(res, %{"groups" => _}) do
     res
-      |> Map.put(:groups, [])
-      |> Map.put(:feeds_groups, [])
+    |> Map.put(:groups, [])
+    |> Map.put(:feeds_groups, [])
   end
+
   defp groups(res, _), do: res
 
   defp feeds(res, %{"feeds" => _}) do
-    feeds = Repo.all(Feed)
+    feeds =
+      Repo.all(Feed)
       |> Enum.map(&Feed.to_fever/1)
+
     res
-      |> Map.put(:feeds, feeds)
-      |> Map.put(:feeds_groups, [])
+    |> Map.put(:feeds, feeds)
+    |> Map.put(:feeds_groups, [])
   end
+
   defp feeds(res, _), do: res
 
   defp favicons(res, %{"favicons" => _}) do
     res
-      |> Map.put(:favicons, [])
+    |> Map.put(:favicons, [])
   end
+
   defp favicons(res, _), do: res
 
   defp links(res, %{"links" => _}) do
     res
-      |> Map.put(:links, [])
+    |> Map.put(:links, [])
   end
+
   defp links(res, _), do: res
 
   defp unread(res, %{"unread_item_ids" => _}) do
-    unread = Repo.all(from Item, where: [read: false])
+    unread =
+      Repo.all(from Item, where: [read: false])
       |> Enum.map(fn item -> item.id end)
       |> Enum.join(",")
+
     res
-      |> Map.put(:unread_item_ids, unread)
+    |> Map.put(:unread_item_ids, unread)
   end
+
   defp unread(res, _), do: res
 
   defp saved(res, %{"saved_item_ids" => _}) do
     res
-      |> Map.put(:saved_item_ids, "")
+    |> Map.put(:saved_item_ids, "")
   end
+
   defp saved(res, _), do: res
 
   defp items(res, %{"items" => _} = params) do
-    items = cond do
-      Map.has_key?(params, "with_ids") ->
-        params["with_ids"]
+    items =
+      cond do
+        Map.has_key?(params, "with_ids") ->
+          params["with_ids"]
           |> String.split(",")
           |> Enum.map(fn id ->
-            {id, _} = id |> String.trim |> Integer.parse
+            {id, _} = id |> String.trim() |> Integer.parse()
             Repo.get(Item, id)
           end)
-      Map.has_key?(params, "since_id") ->
-        since = Repo.get(Item, params["since_id"])
-        {since, _} = Integer.parse(since)
-        Repo.all(from i in Item, where: i.inserted_at > ^since.inserted_at, order_by: [asc: :id], limit: 50)
-      Map.has_key?(params, "max_id") ->
-        max = Repo.get(Item, params["max_id"])
-        {max, _} = Integer.parse(max)
-        Repo.all(from i in Item, where: i.inserted_at < ^max.inserted_at, order_by: [desc: :id], limit: 50)
-      true ->
-        []
-    end
-    items = items
+
+        Map.has_key?(params, "since_id") ->
+          since = Repo.get(Item, params["since_id"])
+          {since, _} = Integer.parse(since)
+
+          Repo.all(
+            from i in Item,
+              where: i.inserted_at > ^since.inserted_at,
+              order_by: [asc: :id],
+              limit: 50
+          )
+
+        Map.has_key?(params, "max_id") ->
+          max = Repo.get(Item, params["max_id"])
+          {max, _} = Integer.parse(max)
+
+          Repo.all(
+            from i in Item,
+              where: i.inserted_at < ^max.inserted_at,
+              order_by: [desc: :id],
+              limit: 50
+          )
+
+        true ->
+          []
+      end
+
+    items =
+      items
       |> Enum.reject(&is_nil/1)
       |> Enum.map(&Item.to_fever/1)
-    res
-      |> Map.put(:items, items)
-      |> Map.put(:total_items, Enum.count(items))
-  end
-  defp items(res, _), do: res
 
-end
\ No newline at end of file
+    res
+    |> Map.put(:items, items)
+    |> Map.put(:total_items, Enum.count(items))
+  end
+
+  defp items(res, _), do: res
+end
diff --git a/priv/repo/migrations/20181121001110_create_items.exs b/priv/repo/migrations/20181121001110_create_items.exs
index 1bb355f..2104897 100644
--- a/priv/repo/migrations/20181121001110_create_items.exs
+++ b/priv/repo/migrations/20181121001110_create_items.exs
@@ -11,7 +11,7 @@ defmodule Frenzy.Repo.Migrations.CreateItems do
       add :content, :text
       add :read, :boolean, default: false, null: false
       add :read_date, :utc_datetime
-      add :feed_id, references(:feeds)
+      add :feed_id, references(:feeds, on_delete: :delete_all)
 
       timestamps()
     end
diff --git a/priv/repo/migrations/20190309150407_create_filters.exs b/priv/repo/migrations/20190309150407_create_filters.exs
index 513b535..d181b09 100644
--- a/priv/repo/migrations/20190309150407_create_filters.exs
+++ b/priv/repo/migrations/20190309150407_create_filters.exs
@@ -1,4 +1,4 @@
-defmodule Frenzy.Repo.Migrations.CreateRules do
+defmodule Frenzy.Repo.Migrations.CreateFilters do
   use Ecto.Migration
 
   def change do
@@ -6,7 +6,7 @@ defmodule Frenzy.Repo.Migrations.CreateRules do
       add :mode, :string
       add :score, :integer
       add :rules, :map
-      add :feed_id, references(:feeds)
+      add :feed_id, references(:feeds, on_delete: :delete_all)
 
       timestamps()
     end
diff --git a/priv/repo/migrations/20190309185450_create_rules.exs b/priv/repo/migrations/20190309185450_create_rules.exs
index d74821e..241d3d4 100644
--- a/priv/repo/migrations/20190309185450_create_rules.exs
+++ b/priv/repo/migrations/20190309185450_create_rules.exs
@@ -7,7 +7,7 @@ defmodule Frenzy.Repo.Migrations.CreateRules do
       add :property, :string
       add :param, :string
       add :weight, :integer
-      add :filter_id, references(:filters)
+      add :filter_id, references(:filters, on_delete: :delete_all)
 
       timestamps()
     end