Enable bulk reversion of bulk tag vandalism

lib/philomena/tag_changes.ex

@@ -6,6 +6,7 @@ defmodule Philomena.TagChanges do
   import Ecto.Query, warn: false
   alias Philomena.Repo
 
+  alias Philomena.TagChangeRevertWorker
   alias Philomena.TagChanges.TagChange
   alias Philomena.Images.Tagging
   alias Philomena.Tags.Tag
@@ -99,6 +100,15 @@ defmodule Philomena.TagChanges do
     end
   end
 
+  def full_revert(%{user_id: _user_id, attributes: _attributes} = params),
+    do: Exq.enqueue(Exq, "indexing", TagChangeRevertWorker, [params])
+
+  def full_revert(%{ip: _ip, attributes: _attributes} = params),
+    do: Exq.enqueue(Exq, "indexing", TagChangeRevertWorker, [params])
+
+  def full_revert(%{fingerprint: _fingerprint, attributes: _attributes} = params),
+    do: Exq.enqueue(Exq, "indexing", TagChangeRevertWorker, [params])
+
   @doc """
   Gets a single tag_change.
 

lib/philomena/workers/tag_change_revert_worker.ex

@@ -0,0 +1,30 @@
+defmodule Philomena.TagChangeRevertWorker do
+  alias Philomena.TagChanges.TagChange
+  alias Philomena.TagChanges
+  alias Philomena.Batch
+  import Ecto.Query
+
+  def perform(%{"user_id" => user_id, "attributes" => attributes}) do
+    TagChange
+    |> where(user_id: ^user_id)
+    |> revert_all(attributes)
+  end
+
+  def perform(%{"ip" => ip, "attributes" => attributes}) do
+    TagChange
+    |> where(ip: ^ip)
+    |> revert_all(attributes)
+  end
+
+  def perform(%{"fingerprint" => fp, "attributes" => attributes}) do
+    TagChange
+    |> where(fingerprint: ^fp)
+    |> revert_all(attributes)
+  end
+
+  defp revert_all(queryable, attributes) do
+    Batch.query_batches(queryable, [batch_size: 100], fn ids ->
+      TagChanges.mass_revert(ids, attributes)
+    end)
+  end
+end

lib/philomena_web/controllers/tag_change/full_revert_controller.ex

@@ -0,0 +1,43 @@
+defmodule PhilomenaWeb.TagChange.FullRevertController do
+  use PhilomenaWeb, :controller
+
+  alias Philomena.TagChanges.TagChange
+  alias Philomena.TagChanges
+
+  plug :verify_authorized
+  plug PhilomenaWeb.UserAttributionPlug
+
+  def create(conn, params) do
+    attributes = conn.assigns.attributes
+
+    attributes = %{
+      ip: to_string(attributes[:ip]),
+      fingerprint: attributes[:fingerprint],
+      referrer: attributes[:referrer],
+      user_agent: attributes[:referrer],
+      user_id: attributes[:user].id
+    }
+
+    case params do
+      %{"user_id" => user_id} ->
+        TagChanges.full_revert(%{user_id: user_id, attributes: attributes})
+
+      %{"ip" => ip} ->
+        TagChanges.full_revert(%{ip: ip, attributes: attributes})
+
+      %{"fingerprint" => fp} ->
+        TagChanges.full_revert(%{fingerprint: fp, attributes: attributes})
+    end
+
+    conn
+    |> put_flash(:info, "Reversion of tag changes enqueued.")
+    |> redirect(external: conn.assigns.referrer)
+  end
+
+  defp verify_authorized(conn, _params) do
+    case Canada.Can.can?(conn.assigns.current_user, :revert, TagChange) do
+      true -> conn
+      _false -> PhilomenaWeb.NotAuthorizedPlug.call(conn)
+    end
+  end
+end

lib/philomena_web/router.ex

@@ -439,6 +439,11 @@ defmodule PhilomenaWeb.Router do
       only: [:create],
       singleton: true
 
+    resources "/tag_changes/full_revert", TagChange.FullRevertController,
+      as: :tag_change_full_revert,
+      only: [:create],
+      singleton: true
+
     resources "/pages", PageController, only: [:index, :new, :create, :edit, :update]
     resources "/channels", ChannelController, only: [:new, :create, :edit, :update, :delete]
   end

lib/philomena_web/templates/fingerprint_profile/show.html.slime

@@ -17,6 +17,10 @@ ul
   li = link "View fingerprint ban history", to: Routes.admin_fingerprint_ban_path(@conn, :index, fingerprint: @fingerprint)
   li = link "Ban this sucker", to: Routes.admin_fingerprint_ban_path(@conn, :new, fingerprint: @fingerprint)
 
+h2 Actions
+ul
+  li = link "Revert all tag changes", to: Routes.tag_change_full_revert_path(@conn, :create, [fingerprint: @fingerprint]), data: [confirm: "Are you really, really sure?", method: "create"]
+
 h4 Observed users
 table.table
   thead

lib/philomena_web/templates/ip_profile/show.html.slime

@@ -17,6 +17,10 @@ ul
   li = link "View IP ban history", to: Routes.admin_subnet_ban_path(@conn, :index, ip: to_string(@ip))
   li = link "Ban this sucker", to: Routes.admin_subnet_ban_path(@conn, :new, specification: to_string(@ip))
 
+h2 Actions
+ul
+  li = link "Revert all tag changes", to: Routes.tag_change_full_revert_path(@conn, :create, [ip: to_string(@ip)]), data: [confirm: "Are you really, really sure?", method: "create"]
+
 h4 Observed users
 table.table
   thead

lib/philomena_web/templates/profile/_admin_block.html.slime

@@ -84,6 +84,12 @@ a.label.label--primary.label--block href="#" data-click-toggle=".js-admin__optio
         i.fa.fa-fw.fa-users
         span.admin__button Potential Aliases
 
+    = if can?(@conn, :index, %Philomena.Donations.Donation{}) do
+      li
+        = link to: Routes.admin_donation_user_path(@conn, :show, @user) do
+          i.fas.fa-fw.fa-dollar-sign
+          span.admin__button Donations
+
   ul.profile-admin__options__column
     = if can?(@conn, :edit, @user) do
       li
@@ -124,23 +130,6 @@ a.label.label--primary.label--block href="#" data-click-toggle=".js-admin__optio
           i.fas.fa-fw.fa-eraser
           span.admin__button Wipe PII
 
-    = if can?(@conn, :index, Philomena.Users.User) do
-      li
-        = link to: Routes.admin_user_vote_path(@conn, :delete, @user), data: [confirm: "Are you really, really sure?", method: "delete"] do
-          i.far.fa-fw.fa-file-excel
-          span.admin__button Remove All Votes/Faves
-
-      li
-        = link to: Routes.admin_user_downvote_path(@conn, :delete, @user), data: [confirm: "Are you really, really sure?", method: "delete"] do
-          i.fa.fa-fw.fa-arrow-down
-          span.admin__button Remove All Downvotes
-
-      = if can?(@conn, :index, %Philomena.Donations.Donation{}) do
-        li
-          = link to: Routes.admin_donation_user_path(@conn, :show, @user) do
-            i.fas.fa-fw.fa-dollar-sign
-            span.admin__button Donations
-
     = if can?(@conn, :edit, %Philomena.ArtistLinks.ArtistLink{}) do
       li
         = link to: Routes.profile_artist_link_path(@conn, :new, @user) do
@@ -169,3 +158,21 @@ a.label.label--primary.label--block href="#" data-click-toggle=".js-admin__optio
           = link to: Routes.admin_user_verification_path(@conn, :create, @user), data: [confirm: "Are you really, really sure?", method: "create"] do
             i.fas.fa-fw.fa-user-check
             span.admin__button Grant Verification
+
+  ul.profile-admin__options__column
+    = if can?(@conn, :index, Philomena.Users.User) do
+      li
+        = link to: Routes.admin_user_vote_path(@conn, :delete, @user), data: [confirm: "Are you really, really sure?", method: "delete"] do
+          i.far.fa-fw.fa-file-excel
+          span.admin__button Remove All Votes/Faves
+
+      li
+        = link to: Routes.admin_user_downvote_path(@conn, :delete, @user), data: [confirm: "Are you really, really sure?", method: "delete"] do
+          i.fa.fa-fw.fa-arrow-down
+          span.admin__button Remove All Downvotes
+
+    = if can?(@conn, :revert, Philomena.TagChanges.TagChange) do
+      li
+        = link to: Routes.tag_change_full_revert_path(@conn, :create, [user_id: @user.id]), data: [confirm: "Are you really, really sure?", method: "create"] do
+          i.fa.fa-fw.fa-tag
+          span.admin__button Revert All Tag Changes