Added unique photos and videos tab to profile

• Added:
- unique photos and videos tab to profile
- mediaType/media_type query string in api/statuses_controller

• Updated:
- /media to redirect to /photos
- AccountGallery, selector to accept mediaType and update on change in componentWillReceiveProps

• Removed:
- Generic "media" tab

• Todo:
- Create index for MediaAttachment.type

app/controllers/api/v1/accounts/statuses_controller.rb

@@ -52,11 +52,21 @@ class Api::V1::Accounts::StatusesController < Api::BaseController
     # Also, Avoid getting slow by not narrowing down by `statuses.account_id`.
     # When narrowing down by `statuses.account_id`, `index_statuses_20180106` will be used
     # and the table will be joined by `Merge Semi Join`, so the query will be slow.
-    @account.statuses.joins(:media_attachments).merge(@account.media_attachments).permitted_for(@account, current_account)
+    @account.statuses.joins(:media_attachments)
+            .merge(account_media_ids_query)
+            .permitted_for(@account, current_account)
             .paginate_by_max_id(limit_param(DEFAULT_STATUSES_LIMIT), params[:max_id], params[:since_id])
             .reorder(id: :desc).distinct(:id).pluck(:id)
   end
 
+  def account_media_ids_query
+    if params[:media_type] == 'video'
+      @account.media_attachments.where(type: 2)
+    else
+      @account.media_attachments.where.not(type: 2)
+    end
+  end
+
   def pinned_scope
     @account.pinned_statuses
   end