fixes #76: filter public conversion route

lib/philomena/filters.ex

@@ -88,6 +88,12 @@ defmodule Philomena.Filters do
     |> Repo.update()
   end
 
+  def make_filter_public(%Filter{} = filter) do
+    filter
+    |> Filter.public_changeset()
+    |> Repo.update()
+  end
+
   @doc """
   Deletes a Filter.
 

lib/philomena/filters/filter.ex

@@ -68,6 +68,10 @@ defmodule Philomena.Filters.Filter do
     |> foreign_key_constraint(:id, name: :fk_rails_d2b4c2768f)
   end
 
+  def public_changeset(filter) do
+    change(filter, public: true)
+  end
+
   def hidden_tags_changeset(filter, hidden_tag_ids) do
     change(filter, hidden_tag_ids: hidden_tag_ids)
   end

lib/philomena_web/controllers/filter/public_controller.ex

@@ -0,0 +1,23 @@
+defmodule PhilomenaWeb.Filter.PublicController do
+  use PhilomenaWeb, :controller
+
+  alias Philomena.Filters
+  alias Philomena.Filters.Filter
+
+  plug PhilomenaWeb.CanaryMapPlug, create: :edit
+  plug :load_and_authorize_resource, model: Filter, id_name: "filter_id", persisted: true
+
+  def create(conn, _params) do
+    case Filters.make_filter_public(conn.assigns.filter) do
+      {:ok, filter} ->
+        conn
+        |> put_flash(:info, "Successfully made filter public.")
+        |> redirect(to: Routes.filter_path(conn, :show, filter))
+
+      _error ->
+        conn
+        |> put_flash(:error, "Couldn't make filter public!")
+        |> redirect(to: Routes.filter_path(conn, :show, conn.assigns.filter))
+    end
+  end
+end

lib/philomena_web/router.ex

@@ -457,7 +457,9 @@ defmodule PhilomenaWeb.Router do
       resources "/current", CurrentController, only: [:update], singleton: true
     end
 
-    resources "/filters", FilterController
+    resources "/filters", FilterController do
+      resources "/public", Filter.PublicController, only: [:create], singleton: true
+    end
 
     resources "/profiles", ProfileController, only: [:show] do
       resources "/reports", Profile.ReportController, only: [:new, :create]

lib/philomena_web/templates/filter/edit.html.slime

@@ -1,2 +1,22 @@
 h2 Editing Filter
-= render PhilomenaWeb.FilterView, "_form.html", filter: @changeset, route: Routes.filter_path(@conn, :update, @filter)
+= render PhilomenaWeb.FilterView, "_form.html", filter: @changeset, route: Routes.filter_path(@conn, :update, @filter)
+
+= if not @filter.public and not @filter.system do
+  br
+  br
+
+  input.toggle-box id="public-tools" type="checkbox" checked=false
+  label for="public-tools" Advanced Options
+  .toggle-box-container
+    .toggle-box-container__content
+      p
+        ' This filter is currently private and only accessible to you. If you
+        ' click the button below, this will make the filter public and
+        ' accessible to other users.
+
+      p
+        ' This process is
+        strong irreversible
+        ' . Once you make a filter public, you cannot make it private again.
+
+      = button_to "Convert to Public Filter", Routes.filter_public_path(@conn, :create, @filter), class: "button", method: "create", data: [confirm: "Are you really, really sure?"]