belongs_to :user
has_many :changeset_tags, :foreign_key => 'id'
-
+
has_many :nodes
has_many :ways
has_many :relations
has_many :old_nodes
has_many :old_ways
has_many :old_relations
-
+
validates_presence_of :id, :on => :update
validates_presence_of :user_id, :created_at, :closed_at, :num_changes
validates_uniqueness_of :id
IDLE_TIMEOUT = 1.hour
# Use a method like this, so that we can easily change how we
- # determine whether a changeset is open, without breaking code in at
+ # determine whether a changeset is open, without breaking code in at
# least 6 controllers
def is_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
+ # concurrency it is possible that some changesets may be slightly
# longer than strictly allowed or have slightly more changes in them.
return ((closed_at > Time.now.getutc) and (num_changes <= MAX_ELEMENTS))
end
self.closed_at = Time.now.getutc
end
end
-
+
def self.from_xml(xml, create=false)
begin
p = XML::Parser.string(xml)
raise OSM::APIBadXMLError.new("changeset", xml, ex.message)
end
end
-
+
def self.from_xml_node(pt, create=false)
cs = Changeset.new
if create
cs.closed_at = cs.created_at + IDLE_TIMEOUT
# initially we have no changes in a changeset
cs.num_changes = 0
- else
- raise OSM::APIBadXMLError.new("changeset", pt, "ID is required when updating.") if pt['id'].nil?
- cs.id = pt['id'].to_i
- # .to_i will return 0 if there is no number that can be parsed.
- # We want to make sure that there is no id with zero anyway.
- raise OSM::APIBadUserInput.new("ID of changeset cannot be zero when updating.") if cs.id == 0
end
pt.find('tag').each do |tag|
raise OSM::APIBadXMLError.new("changeset", pt, "tag is missing value") if tag['v'].nil?
cs.add_tag_keyval(tag['k'], tag['v'])
end
-
+
return cs
end
def bbox
@bbox ||= [ min_lon, min_lat, max_lon, max_lat ]
end
-
+
def has_valid_bbox?
not bbox.include? nil
end
-
+
##
# returns area of the changset bbox as a rough comparitive quantity for use of changset displays
def area
if has_valid_bbox?
- (max_lon - min_lon) * (max_lat - min_lat)
+ (max_lon - min_lon) * (max_lat - min_lat)
else
- 0
+ 0
end
end
##
- # expand the bounding box to include the given bounding box. also,
+ # expand the bounding box to include the given bounding box. also,
# expand a little bit more in the direction of the expansion, so that
- # further expansions may be unnecessary. this is an optimisation
+ # further expansions may be unnecessary. this is an optimisation
# suggested on the wiki page by kleptog.
def update_bbox!(array)
# ensure that bbox is cached and has no nils in it. if there are any
# nils, just use the bounding box update to write over them.
@bbox = bbox.zip(array).collect { |a, b| a.nil? ? b : a }
- # FIXME - this looks nasty and violates DRY... is there any prettier
- # way to do this?
+ # FIXME - this looks nasty and violates DRY... is there any prettier
+ # way to do this?
@bbox[0] = [-180 * GeoRecord::SCALE, array[0] + EXPAND * (@bbox[0] - @bbox[2])].max if array[0] < @bbox[0]
@bbox[1] = [ -90 * GeoRecord::SCALE, array[1] + EXPAND * (@bbox[1] - @bbox[3])].max if array[1] < @bbox[1]
@bbox[2] = [ 180 * GeoRecord::SCALE, array[2] + EXPAND * (@bbox[2] - @bbox[0])].min if array[2] > @bbox[2]
end
end
end
-
+
def to_xml
doc = OSM::API.new.get_xml_doc
doc.root << to_xml_node()
return doc
end
-
+
def to_xml_node(user_display_name_cache = nil)
el1 = XML::Node.new 'changeset'
el1['id'] = self.id.to_s
el2['v'] = v.to_s
el1 << el2
end
-
+
el1['created_at'] = self.created_at.xmlschema
el1['closed_at'] = self.closed_at.xmlschema unless is_open?
el1['open'] = is_open?.to_s
el1['min_lat'] = (bbox[1].to_f / GeoRecord::SCALE).to_s unless bbox[1].nil?
el1['max_lon'] = (bbox[2].to_f / GeoRecord::SCALE).to_s unless bbox[2].nil?
el1['max_lat'] = (bbox[3].to_f / GeoRecord::SCALE).to_s unless bbox[3].nil?
-
+
# NOTE: changesets don't include the XML of the changes within them,
# they are just structures for tagging. to get the osmChange of a
# changeset, see the download method of the controller.
# 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.
- unless user.id == self.user_id
+ unless user.id == self.user_id
raise OSM::APIUserChangesetMismatchError.new
end
-
+
# can't change a closed changeset
unless is_open?
raise OSM::APIChangesetAlreadyClosedError.new(self)
class ChangesetTest < ActiveSupport::TestCase
api_fixtures
-
+
def test_changeset_count
assert_equal 7, Changeset.count
end
-
- def test_xml_from_id_zero
- id_list = ["", "0", "00", "0.0", "a"]
- id_list.each do |id|
- zero_id = "<osm><changeset id='#{id}' /></osm>"
- assert_nothing_raised(OSM::APIBadUserInput) {
- Changeset.from_xml(zero_id, true)
- }
- message_update = assert_raise(OSM::APIBadUserInput) {
- Changeset.from_xml(zero_id, false)
- }
- assert_match /ID of changeset cannot be zero when updating/, message_update.message
- end
- end
-
+
def test_from_xml_no_text
no_text = ""
message_create = assert_raise(OSM::APIBadXMLError) {
}
assert_match /Must specify a string with one or more characters/, message_update.message
end
-
+
def test_from_xml_no_changeset
nocs = "<osm></osm>"
message_create = assert_raise(OSM::APIBadXMLError) {
}
assert_match /XML doesn't contain an osm\/changeset element/, message_update.message
end
-
+
def test_from_xml_no_k_v
nokv = "<osm><changeset><tag /></changeset></osm>"
message_create = assert_raise(OSM::APIBadXMLError) {
}
assert_match /tag is missing key/, message_create.message
end
-
+
def test_from_xml_no_v
- no_v = "<osm><changeset id='1'><tag k='key' /></changeset></osm>"
+ no_v = "<osm><changeset><tag k='key' /></changeset></osm>"
message_create = assert_raise(OSM::APIBadXMLError) {
Changeset.from_xml(no_v, true)
}
}
assert_match /tag is missing value/, message_update.message
end
-
+
def test_from_xml_duplicate_k
- dupk = "<osm><changeset id='1'><tag k='dup' v='test' /><tag k='dup' v='value' /></changeset></osm>"
+ dupk = "<osm><changeset><tag k='dup' v='test' /><tag k='dup' v='value' /></changeset></osm>"
message_create = assert_raise(OSM::APIDuplicateTagsError) {
Changeset.from_xml(dupk, true)
}
message_update = assert_raise(OSM::APIDuplicateTagsError) {
Changeset.from_xml(dupk, false)
}
- assert_equal "Element changeset/1 has duplicate tags with key dup", message_update.message
+ assert_equal "Element changeset/ has duplicate tags with key dup", message_update.message
+ end
+
+ def test_from_xml_valid
+ # Example taken from the Update section on the API_v0.6 docs on the wiki
+ xml = "<osm><changeset><tag k=\"comment\" v=\"Just adding some streetnames and a restaurant\"/></changeset></osm>"
+ assert_nothing_raised(OSM::APIBadXMLError) {
+ Changeset.from_xml(xml, false)
+ }
+ assert_nothing_raised(OSM::APIBadXMLError) {
+ Changeset.from_xml(xml, true)
+ }
end
end