+# == Schema Information
+#
+# Table name: changesets
+#
+# id :integer not null, primary key
+# user_id :integer not null
+# created_at :datetime not null
+# min_lat :integer
+# max_lat :integer
+# min_lon :integer
+# max_lon :integer
+# closed_at :datetime not null
+# num_changes :integer default(0), not null
+#
+# 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)
+#
+# Foreign Keys
+#
+# changesets_user_id_fkey (user_id => users.id)
+#
+
class Changeset < ActiveRecord::Base
require "xml/libxml"
has_many :comments, -> { where(:visible => true).order(:created_at) }, :class_name => "ChangesetComment"
has_and_belongs_to_many :subscribers, :class_name => "User", :join_table => "changesets_subscribers", :association_foreign_key => "subscriber_id"
- validates_presence_of :id, :on => :update
- validates_presence_of :user_id, :created_at, :closed_at, :num_changes
- validates_uniqueness_of :id
- validates_numericality_of :id, :on => :update, :integer_only => true
- validates_numericality_of :min_lat, :max_lat, :min_lon, :max_lat, :allow_nil => true, :integer_only => true
- validates_numericality_of :user_id, :integer_only => true
- validates_numericality_of :num_changes, :integer_only => true, :greater_than_or_equal_to => 0
+ validates :id, :uniqueness => true, :presence => { :on => :update },
+ :numericality => { :on => :update, :integer_only => true }
+ validates :user_id, :presence => true,
+ :numericality => { :integer_only => true }
+ validates :num_changes, :presence => true,
+ :numericality => { :integer_only => 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 }
before_save :update_closed_at
EXPAND = 0.1
# maximum number of elements allowed in a changeset
- MAX_ELEMENTS = 50000
+ MAX_ELEMENTS = 10000
# maximum time a changeset is allowed to be open for.
MAX_TIME_OPEN = 1.day
doc.find("//osm/changeset").each do |pt|
return Changeset.from_xml_node(pt, create)
end
- fail OSM::APIBadXMLError.new("changeset", xml, "XML doesn't contain an osm/changeset element.")
+ 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)
end
end
pt.find("tag").each do |tag|
- fail OSM::APIBadXMLError.new("changeset", pt, "tag is missing key") if tag["k"].nil?
- fail OSM::APIBadXMLError.new("changeset", pt, "tag is missing value") if tag["v"].nil?
+ raise OSM::APIBadXMLError.new("changeset", pt, "tag is missing key") if tag["k"].nil?
+ raise OSM::APIBadXMLError.new("changeset", pt, "tag is missing value") if tag["v"].nil?
cs.add_tag_keyval(tag["k"], tag["v"])
end
self.num_changes += elements
end
- def tags_as_hash
- tags
- end
-
def tags
unless @tags
@tags = {}
attr_writer :tags
def add_tag_keyval(k, v)
- @tags = {} unless @tags
+ @tags ||= {}
# duplicate tags are now forbidden, so we can't allow values
# in the hash to be overwritten.
- fail OSM::APIDuplicateTagsError.new("changeset", id, k) if @tags.include? k
+ raise OSM::APIDuplicateTagsError.new("changeset", id, k) if @tags.include? k
@tags[k] = v
end
# do the changeset update and the changeset tags update in the
# same transaction to ensure consistency.
Changeset.transaction do
- self.save!
+ save!
tags = self.tags
- ChangesetTag.delete_all(:changeset_id => id)
+ ChangesetTag.where(:changeset_id => 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 self.is_open?
- if (closed_at - created_at) > (MAX_TIME_OPEN - IDLE_TIMEOUT)
- self.closed_at = created_at + MAX_TIME_OPEN
- else
- self.closed_at = Time.now.getutc + IDLE_TIMEOUT
- end
+ if is_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
+ end
end
end
# bounding box, only the tags of the changeset.
def update_from(other, user)
# ensure that only the user who opened the changeset may modify it.
- fail OSM::APIUserChangesetMismatchError.new unless user.id == user_id
+ raise OSM::APIUserChangesetMismatchError unless user.id == user_id
# can't change a closed changeset
- fail OSM::APIChangesetAlreadyClosedError.new(self) unless is_open?
+ raise OSM::APIChangesetAlreadyClosedError, self unless is_open?
# copy the other's tags
self.tags = other.tags
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