#
# Table name: changesets
#
-# id :integer not null, primary key
-# user_id :integer not null
+# id :bigint(8) not null, primary key
+# user_id :bigint(8) not null
# created_at :datetime not null
# min_lat :integer
# max_lat :integer
#
# Indexes
#
-# changesets_bbox_idx (min_lat,max_lat,min_lon,max_lon)
-# changesets_closed_at_idx (closed_at)
-# changesets_created_at_idx (created_at)
-# changesets_user_id_created_at_idx (user_id,created_at)
-# changesets_user_id_id_idx (user_id,id)
+# changesets_bbox_idx (min_lat,max_lat,min_lon,max_lon) USING gist
+# changesets_closed_at_idx (closed_at)
+# changesets_created_at_idx (created_at)
+# changesets_user_id_created_at_idx (user_id,created_at)
+# changesets_user_id_id_idx (user_id,id)
+# index_changesets_on_user_id_and_closed_at (user_id,closed_at)
#
# Foreign Keys
#
# changesets_user_id_fkey (user_id => users.id)
#
-class Changeset < ActiveRecord::Base
+class Changeset < ApplicationRecord
require "xml/libxml"
belongs_to :user, :counter_cache => true
has_and_belongs_to_many :subscribers, :class_name => "User", :join_table => "changesets_subscribers", :association_foreign_key => "subscriber_id"
validates :id, :uniqueness => true, :presence => { :on => :update },
- :numericality => { :on => :update, :integer_only => true }
- validates :user_id, :presence => true,
- :numericality => { :integer_only => true }
+ :numericality => { :on => :update, :only_integer => true }
validates :num_changes, :presence => true,
- :numericality => { :integer_only => true,
+ :numericality => { :only_integer => true,
:greater_than_or_equal_to => 0 }
validates :created_at, :closed_at, :presence => true
validates :min_lat, :max_lat, :min_lon, :max_lat, :allow_nil => true,
- :numericality => { :integer_only => true }
+ :numericality => { :only_integer => true }
before_save :update_closed_at
# Use a method like this, so that we can easily change how we
# determine whether a changeset is open, without breaking code in at
# least 6 controllers
- def is_open?
+ def open?
# a changeset is open (that is, it will accept further changes) when
# it has not yet run out of time and its capacity is small enough.
# note that this may not be a hard limit - due to timing changes and
# concurrency it is possible that some changesets may be slightly
# longer than strictly allowed or have slightly more changes in them.
- ((closed_at > Time.now.getutc) && (num_changes <= MAX_ELEMENTS))
+ (closed_at > Time.now.utc) && (num_changes <= MAX_ELEMENTS)
end
def set_closed_time_now
- self.closed_at = Time.now.getutc if is_open?
+ self.closed_at = Time.now.utc if open?
end
- def self.from_xml(xml, create = false)
+ def self.from_xml(xml, create: false)
p = XML::Parser.string(xml, :options => XML::Parser::Options::NOERROR)
doc = p.parse
+ pt = doc.find_first("//osm/changeset")
- doc.find("//osm/changeset").each do |pt|
- return Changeset.from_xml_node(pt, create)
+ if pt
+ Changeset.from_xml_node(pt, :create => create)
+ else
+ raise OSM::APIBadXMLError.new("changeset", xml, "XML doesn't contain an osm/changeset element.")
end
- raise OSM::APIBadXMLError.new("changeset", xml, "XML doesn't contain an osm/changeset element.")
- rescue LibXML::XML::Error, ArgumentError => ex
- raise OSM::APIBadXMLError.new("changeset", xml, ex.message)
+ rescue LibXML::XML::Error, ArgumentError => e
+ raise OSM::APIBadXMLError.new("changeset", xml, e.message)
end
- def self.from_xml_node(pt, create = false)
+ def self.from_xml_node(pt, create: false)
cs = Changeset.new
if create
- cs.created_at = Time.now.getutc
+ cs.created_at = Time.now.utc
# initial close time is 1h ahead, but will be increased on each
# modification.
cs.closed_at = cs.created_at + IDLE_TIMEOUT
@bbox ||= BoundingBox.new(min_lon, min_lat, max_lon, max_lat)
end
- def has_valid_bbox?
+ def bbox_valid?
bbox.complete?
end
def update_bbox!(bbox_update)
bbox.expand!(bbox_update)
+ raise OSM::APISizeLimitExceeded if bbox.linear_size > size_limit
+
# update active record. rails 2.1's dirty handling should take care of
# whether this object needs saving or not.
- self.min_lon, self.min_lat, self.max_lon, self.max_lat = @bbox.to_a if bbox.complete?
+ self.min_lon, self.min_lat, self.max_lon, self.max_lat = @bbox.to_a.collect(&:round) if bbox.complete?
end
##
save!
tags = self.tags
- ChangesetTag.where(:changeset_id => id).delete_all
+ ChangesetTag.where(:changeset => id).delete_all
tags.each do |k, v|
tag = ChangesetTag.new
# that would make it more than 24h long, in which case clip to
# 24h, as this has been decided is a reasonable time limit.
def update_closed_at
- if is_open?
+ if open?
self.closed_at = if (closed_at - created_at) > (MAX_TIME_OPEN - IDLE_TIMEOUT)
created_at + MAX_TIME_OPEN
else
- Time.now.getutc + IDLE_TIMEOUT
+ Time.now.utc + IDLE_TIMEOUT
end
end
end
raise OSM::APIUserChangesetMismatchError unless user.id == user_id
# can't change a closed changeset
- raise OSM::APIChangesetAlreadyClosedError, self unless is_open?
+ raise OSM::APIChangesetAlreadyClosedError, self unless open?
# copy the other's tags
self.tags = other.tags
save_with_tags!
end
+
+ def subscribe(user)
+ subscribers << user
+ end
+
+ def unsubscribe(user)
+ subscribers.delete(user)
+ end
+
+ def subscribed?(user)
+ subscribers.exists?(user.id)
+ end
+
+ def size_limit
+ @size_limit ||= ActiveRecord::Base.connection.select_value(
+ "SELECT api_size_limit($1)", "api_size_limit", [user_id]
+ )
+ end
end
projects / rails.git / blobdiff