Add antenna excluding settings

app/controllers/api/v1/antennas/exclude_keywords_controller.rb

@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+class Api::V1::Antennas::ExcludeKeywordsController < Api::BaseController
+  before_action -> { doorkeeper_authorize! :write, :'write:lists' }
+
+  before_action :require_user!
+  before_action :set_antenna
+
+  def create
+    new_keywords = @antenna.exclude_keywords || []
+    keywords.each do |keyword|
+      raise Mastodon::ValidationError, I18n.t('antennas.errors.duplicate_keyword') if new_keywords.include?(keyword)
+
+      new_keywords << keyword
+    end
+
+    raise Mastodon::ValidationError, I18n.t('antennas.errors.limit.keywords') if new_keywords.size > Antenna::KEYWORDS_PER_ANTENNA_LIMIT
+
+    @antenna.update!(exclude_keywords: new_keywords)
+
+    render_empty
+  end
+
+  def destroy
+    new_keywords = @antenna.exclude_keywords || []
+    new_keywords -= keywords
+
+    @antenna.update!(exclude_keywords: new_keywords)
+
+    render_empty
+  end
+
+  private
+
+  def set_antenna
+    @antenna = Antenna.where(account: current_account).find(params[:antenna_id])
+  end
+
+  def keywords
+    Array(resource_params[:keywords])
+  end
+
+  def resource_params
+    params.permit(keywords: [])
+  end
+end