我正在使用 gem event_calendar开发事件日历应用程序。但是当我加载 rails 服务器时。弹出以下错误。
undefined method `scoped' for #<Class:0x007f2547fb8830>
完整的框架跟踪是：
activerecord (4.1.7) lib/active_record/dynamic_matchers.rb:26:in `method_missing'
event-calendar (2.3.3) lib/event_calendar.rb:53:in `events_for_date_range'
event-calendar (2.3.3) lib/event_calendar.rb:28:in `event_strips_for_month'
actionpack (4.1.7) lib/action_controller/metal/implicit_render.rb:4:in `send_action'
actionpack (4.1.7) lib/abstract_controller/base.rb:189:in `process_action'
actionpack (4.1.7) lib/action_controller/metal/rendering.rb:10:in `process_action'
actionpack (4.1.7) lib/abstract_controller/callbacks.rb:20:in `block in process_action'
activesupport (4.1.7) lib/active_support/callbacks.rb:113:in `call'
activesupport (4.1.7) lib/active_support/callbacks.rb:113:in `call'
activesupport (4.1.7) lib/active_support/callbacks.rb:229:in `block in halting'
activesupport (4.1.7) lib/active_support/callbacks.rb:229:in `call'
activesupport (4.1.7) lib/active_support/callbacks.rb:229:in `block in halting'
activesupport (4.1.7) lib/active_support/callbacks.rb:166:in `call'
activesupport (4.1.7) lib/active_support/callbacks.rb:166:in `block in halting'
activesupport (4.1.7) lib/active_support/callbacks.rb:166:in `call'
activesupport (4.1.7) lib/active_support/callbacks.rb:166:in `block in halting'
activesupport (4.1.7) lib/active_support/callbacks.rb:166:in `call'
activesupport (4.1.7) lib/active_support/callbacks.rb:166:in `block in halting'
activesupport (4.1.7) lib/active_support/callbacks.rb:86:in `call'
activesupport (4.1.7) lib/active_support/callbacks.rb:86:in `run_callbacks'
actionpack (4.1.7) lib/abstract_controller/callbacks.rb:19:in `process_action'
actionpack (4.1.7) lib/action_controller/metal/rescue.rb:29:in `process_action'
actionpack (4.1.7) lib/action_controller/metal/instrumentation.rb:31:in `block in process_action'
activesupport (4.1.7) lib/active_support/notifications.rb:159:in `block in instrument'
activesupport (4.1.7) lib/active_support/notifications/instrumenter.rb:20:in `instrument'
activesupport (4.1.7) lib/active_support/notifications.rb:159:in `instrument'
actionpack (4.1.7) lib/action_controller/metal/instrumentation.rb:30:in `process_action'
actionpack (4.1.7) lib/action_controller/metal/params_wrapper.rb:250:in `process_action'
activerecord (4.1.7) lib/active_record/railties/controller_runtime.rb:18:in `process_action'
actionpack (4.1.7) lib/abstract_controller/base.rb:136:in `process'
actionview (4.1.7) lib/action_view/rendering.rb:30:in `process'
actionpack (4.1.7) lib/action_controller/metal.rb:196:in `dispatch'
actionpack (4.1.7) lib/action_controller/metal/rack_delegation.rb:13:in `dispatch'
actionpack (4.1.7) lib/action_controller/metal.rb:232:in `block in action'
actionpack (4.1.7) lib/action_dispatch/routing/route_set.rb:82:in `call'
actionpack (4.1.7) lib/action_dispatch/routing/route_set.rb:82:in `dispatch'
actionpack (4.1.7) lib/action_dispatch/routing/route_set.rb:50:in `call'
actionpack (4.1.7) lib/action_dispatch/journey/router.rb:73:in `block in call'
actionpack (4.1.7) lib/action_dispatch/journey/router.rb:59:in `each'
actionpack (4.1.7) lib/action_dispatch/journey/router.rb:59:in `call'
actionpack (4.1.7) lib/action_dispatch/routing/route_set.rb:678:in `call'
rack (1.5.2) lib/rack/etag.rb:23:in `call'
rack (1.5.2) lib/rack/conditionalget.rb:25:in `call'
rack (1.5.2) lib/rack/head.rb:11:in `call'
actionpack (4.1.7) lib/action_dispatch/middleware/params_parser.rb:27:in `call'
actionpack (4.1.7) lib/action_dispatch/middleware/flash.rb:254:in `call'
rack (1.5.2) lib/rack/session/abstract/id.rb:225:in `context'
rack (1.5.2) lib/rack/session/abstract/id.rb:220:in `call'
actionpack (4.1.7) lib/action_dispatch/middleware/cookies.rb:560:in `call'
activerecord (4.1.7) lib/active_record/query_cache.rb:36:in `call'
activerecord (4.1.7) lib/active_record/connection_adapters/abstract/connection_pool.rb:621:in `call'
activerecord (4.1.7) lib/active_record/migration.rb:380:in `call'
actionpack (4.1.7) lib/action_dispatch/middleware/callbacks.rb:29:in `block in call'
activesupport (4.1.7) lib/active_support/callbacks.rb:82:in `run_callbacks'
actionpack (4.1.7) lib/action_dispatch/middleware/callbacks.rb:27:in `call'
actionpack (4.1.7) lib/action_dispatch/middleware/reloader.rb:73:in `call'
actionpack (4.1.7) lib/action_dispatch/middleware/remote_ip.rb:76:in `call'
actionpack (4.1.7) lib/action_dispatch/middleware/debug_exceptions.rb:17:in `call'
actionpack (4.1.7) lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'
railties (4.1.7) lib/rails/rack/logger.rb:38:in `call_app'
railties (4.1.7) lib/rails/rack/logger.rb:20:in `block in call'
activesupport (4.1.7) lib/active_support/tagged_logging.rb:68:in `block in tagged'
activesupport (4.1.7) lib/active_support/tagged_logging.rb:26:in `tagged'
activesupport (4.1.7) lib/active_support/tagged_logging.rb:68:in `tagged'
railties (4.1.7) lib/rails/rack/logger.rb:20:in `call'
actionpack (4.1.7) lib/action_dispatch/middleware/request_id.rb:21:in `call'
rack (1.5.2) lib/rack/methodoverride.rb:21:in `call'
rack (1.5.2) lib/rack/runtime.rb:17:in `call'
activesupport (4.1.7) lib/active_support/cache/strategy/local_cache_middleware.rb:26:in `call'
rack (1.5.2) lib/rack/lock.rb:17:in `call'
actionpack (4.1.7) lib/action_dispatch/middleware/static.rb:84:in `call'
rack (1.5.2) lib/rack/sendfile.rb:112:in `call'
railties (4.1.7) lib/rails/engine.rb:514:in `call'
railties (4.1.7) lib/rails/application.rb:144:in `call'
rack (1.5.2) lib/rack/lock.rb:17:in `call'
rack (1.5.2) lib/rack/content_length.rb:14:in `call'
rack (1.5.2) lib/rack/handler/webrick.rb:60:in `service'
/home/kiran/.rbenv/versions/2.1.2/lib/ruby/2.1.0/webrick/httpserver.rb:138:in `service'
/home/kiran/.rbenv/versions/2.1.2/lib/ruby/2.1.0/webrick/httpserver.rb:94:in `run'
/home/kiran/.rbenv/versions/2.1.2/lib/ruby/2.1.0/webrick/server.rb:295:in `block in start_thread'
此 gem 与 Rails 4 不兼容。Github上打开了一个拉取请求来解决此问题，但目前看起来它仅与Rails 2和3兼容。
我离专家还很远，但您仍然可以通过在配置/初始值设定项文件夹中包含更改来覆盖 gem。在那里创建一个名为 event_calendar.rb 的文件，并将 @vanboom 提交的代码粘贴到 github 上：
module EventCalendar
def self.included(base)
base.send :extend, ClassMethods
end
module ClassMethods
def has_event_calendar(options={})
cattr_accessor :start_at_field, :end_at_field
self.start_at_field = ( options[:start_at_field] ||= :start_at).to_s
self.end_at_field = ( options[:end_at_field] ||= :end_at ).to_s
alias_attribute :start_at, start_at_field unless start_at_field == 'start_at'
alias_attribute :end_at, end_at_field unless end_at_field == 'end_at'
before_save :adjust_all_day_dates
send :include, InstanceMethods
end
# For the given month, find the start and end dates
# Find all the events within this range, and create event strips for them
def event_strips_for_month(shown_date, first_day_of_week=0, find_options = {})
if first_day_of_week.is_a?(Hash)
find_options.merge!(first_day_of_week)
first_day_of_week = 0
end
strip_start, strip_end = get_start_and_end_dates(shown_date, first_day_of_week)
events = events_for_date_range(strip_start, strip_end, find_options)
event_strips = create_event_strips(strip_start, strip_end, events)
event_strips
end
# Expand start and end dates to show the previous month and next month's days,
# that overlap with the shown months display
def get_start_and_end_dates(shown_date, first_day_of_week=0)
# start with the first day of the given month
start_of_month = Date.civil(shown_date.year, shown_date.month, 1)
# the end of last month
strip_start = beginning_of_week(start_of_month, first_day_of_week)
# the beginning of next month, unless this month ended evenly on the last day of the week
if start_of_month.next_month == beginning_of_week(start_of_month.next_month, first_day_of_week)
# last day of the month is also the last day of the week
strip_end = start_of_month.next_month
else
# add the extra days from next month
strip_end = beginning_of_week(start_of_month.next_month + 7, first_day_of_week)
end
[strip_start, strip_end]
end
# Get the events overlapping the given start and end dates
def events_for_date_range(start_d, end_d, find_options = {})
self.where(find_options).where(
"(? <= #{self.quoted_table_name}.#{self.end_at_field}) AND (#{self.quoted_table_name}.#{self.start_at_field}< ?)", start_d.to_time.utc, end_d.to_time.utc).order(
"#{self.quoted_table_name}.#{self.start_at_field} ASC"
)
end
# Create the various strips that show events.
def create_event_strips(strip_start, strip_end, events)
# create an inital event strip, with a nil entry for every day of the displayed days
event_strips = [[nil] * (strip_end - strip_start + 1)]
events.each do |event|
cur_date = event.start_at.to_date
end_date = event.end_at.to_date
cur_date, end_date = event.clip_range(strip_start, strip_end)
start_range = (cur_date - strip_start).to_i
end_range = (end_date - strip_start).to_i
# make sure the event is within our viewing range
if (start_range <= end_range) and (end_range >= 0)
range = start_range..end_range
open_strip = space_in_current_strips?(event_strips, range)
if open_strip.nil?
# no strips open, make a new one
new_strip = [nil] * (strip_end - strip_start + 1)
range.each {|r| new_strip[r] = event}
event_strips << new_strip
else
# found an open strip, add this event to it
range.each {|r| open_strip[r] = event}
end
end
end
event_strips
end
def space_in_current_strips?(event_strips, range)
open_strip = nil
for strip in event_strips
strip_is_open = true
range.each do |r|
# overlapping events on this strip
if !strip[r].nil?
strip_is_open = false
break
end
end
if strip_is_open
open_strip = strip
break
end
end
open_strip
end
def days_between(first, second)
if first > second
second + (7 - first)
else
second - first
end
end
def beginning_of_week(date, start = 0)
days_to_beg = days_between(start, date.wday)
date - days_to_beg
end
end
# Instance Methods
# Override in your model as needed
module InstanceMethods
def year
date.year
end
def month
date.month
end
def day
date.day
end
def all_day
self[:all_day]
end
def color
self[:color] || '#9aa4ad'
end
def days
end_at.to_date - start_at.to_date
end
# start_d - start of the month, or start of the week
# end_d - end of the month, or end of the week
def clip_range(start_d, end_d)
# make sure we are comparing date objects to date objects,
# otherwise timezones can cause problems
start_at_d = start_at.to_date
end_at_d = end_at.to_date
# Clip start date, make sure it also ends on or after the start range
if (start_at_d < start_d and end_at_d >= start_d)
clipped_start = start_d
else
clipped_start = start_at_d
end
# Clip end date
if (end_at_d > end_d)
clipped_end = end_d
else
clipped_end = end_at_d
end
[clipped_start, clipped_end]
end
def adjust_all_day_dates
if self.all_day
self.start_at = self.start_at.beginning_of_day
if self.end_at
self.end_at = self.end_at.beginning_of_day + 1.day - 1.second
else
self.end_at = self.start_at + 1.day - 1.second
end
end
end
end
end
require 'event_calendar/railtie' if defined?(::Rails::Railtie)