controller.rb.erb

<% module_namespacing do -%>
class <%= model_klass.name.pluralize %>Controller < ApplicationController
  <%- unless omit_comments? -%>
  # Mark this as a JSONAPI controller, associating with the given resource
  <%- end -%>
  jsonapi resource: <%= model_klass %>Resource

  <%- if actions?('create', 'update') -%>
  <%- unless omit_comments? -%>
  # Reference a strong resource payload defined in
  # config/initializers/strong_resources.rb
  <%- end -%>
  strong_resource :<%= singular_table_name %>
  <%- end -%>
  <%- if actions?('create', 'update') -%>
  <%- unless omit_comments? -%>
  # Run strong parameter validation for these actions.
  # Invalid keys will be dropped.
  # Invalid value types will log or raise based on the configuration
  # ActionController::Parameters.action_on_invalid_parameters
  <%- end -%>
  before_action :apply_strong_params, only: [:create, :update]

  <%- end -%>
  <%- if actions?('index') -%>
  <%- unless omit_comments? -%>
  # Start with a base scope and pass to render_jsonapi
  <%- end -%>
  def index
    <%= file_name.pluralize %> = <%= model_klass %>.all
    render_jsonapi(<%= file_name.pluralize %>)
  end

  <%- end -%>
  <%- if actions?('show') -%>
  <%- unless omit_comments? -%>
  # Call jsonapi_scope directly here so we can get behavior like
  # sparse fieldsets and statistics.
  <%- end -%>
  def show
    scope = jsonapi_scope(<%= model_klass %>.where(id: params[:id]))
    instance = scope.resolve.first
    raise JsonapiCompliable::Errors::RecordNotFound unless instance
    render_jsonapi(instance, scope: false)
  end

  <%- end -%>
  <%- if actions?('create') -%>
  <%- unless omit_comments? -%>
  # jsonapi_create will use the configured Resource (and adapter) to persist.
  # This will handle nested relationships as well.
  # On validation errors, render correct error JSON.
  <%- end -%>
  def create
    <%= file_name %>, success = jsonapi_create.to_a

    if success
      render_jsonapi(<%= file_name %>, scope: false)
    else
      render_errors_for(<%= file_name %>)
    end
  end

  <%- end -%>
  <%- if actions?('update') -%>
  <%- unless omit_comments? -%>
  # jsonapi_update will use the configured Resource (and adapter) to persist.
  # This will handle nested relationships as well.
  # On validation errors, render correct error JSON.
  <%- end -%>
  def update
    <%= file_name %>, success = jsonapi_update.to_a

    if success
      render_jsonapi(<%= file_name %>, scope: false)
    else
      render_errors_for(<%= file_name %>)
    end
  end

  <%- end -%>
  <%- if actions?('destroy') -%>
  <%- unless omit_comments? -%>
  # Renders 200 OK with empty meta
  # http://jsonapi.org/format/#crud-deleting-responses-200
  <%- end -%>
  def destroy
    <%= file_name %>, success = jsonapi_destroy.to_a

    if success
      render json: { meta: {} }
    else
      render_errors_for(<%= file_name %>)
    end
  end
  <%- end -%>
end
<% end -%>