Move the changes api to its own controller

This commit is contained in:
Andy Allan 2019-02-24 10:27:48 +01:00
parent 8383fd0928
commit d887252eeb
6 changed files with 165 additions and 143 deletions

View file

@ -8,6 +8,7 @@ class Ability
can [:relation, :relation_history, :way, :way_history, :node, :node_history,
:changeset, :note, :new_note, :query], :browse
can :show, :capability
can :index, :change
can [:index, :feed, :show, :download, :query], Changeset
can :index, ChangesetComment
can :search, :direction

View file

@ -0,0 +1,57 @@
module Api
class ChangesController < ApplicationController
skip_before_action :verify_authenticity_token
before_action :api_deny_access_handler
authorize_resource :class => false
before_action :check_api_readable
around_action :api_call_handle_error, :api_call_timeout
# Get a list of the tiles that have changed within a specified time
# period
def index
zoom = (params[:zoom] || "12").to_i
if params.include?(:start) && params.include?(:end)
starttime = Time.parse(params[:start])
endtime = Time.parse(params[:end])
else
hours = (params[:hours] || "1").to_i.hours
endtime = Time.now.getutc
starttime = endtime - hours
end
if zoom >= 1 && zoom <= 16 &&
endtime > starttime && endtime - starttime <= 24.hours
mask = (1 << zoom) - 1
tiles = Node.where(:timestamp => starttime..endtime).group("maptile_for_point(latitude, longitude, #{zoom})").count
doc = OSM::API.new.get_xml_doc
changes = XML::Node.new "changes"
changes["starttime"] = starttime.xmlschema
changes["endtime"] = endtime.xmlschema
tiles.each do |tile, count|
x = (tile.to_i >> zoom) & mask
y = tile.to_i & mask
t = XML::Node.new "tile"
t["x"] = x.to_s
t["y"] = y.to_s
t["z"] = zoom.to_s
t["changes"] = count.to_s
changes << t
end
doc.root << changes
render :xml => doc.to_s
else
render :plain => "Requested zoom is invalid, or the supplied start is after the end time, or the start duration is more than 24 hours", :status => :bad_request
end
end
end
end

View file

@ -102,50 +102,4 @@ class ApiController < ApplicationController
render :xml => doc.to_s
end
# Get a list of the tiles that have changed within a specified time
# period
def changes
zoom = (params[:zoom] || "12").to_i
if params.include?(:start) && params.include?(:end)
starttime = Time.parse(params[:start])
endtime = Time.parse(params[:end])
else
hours = (params[:hours] || "1").to_i.hours
endtime = Time.now.getutc
starttime = endtime - hours
end
if zoom >= 1 && zoom <= 16 &&
endtime > starttime && endtime - starttime <= 24.hours
mask = (1 << zoom) - 1
tiles = Node.where(:timestamp => starttime..endtime).group("maptile_for_point(latitude, longitude, #{zoom})").count
doc = OSM::API.new.get_xml_doc
changes = XML::Node.new "changes"
changes["starttime"] = starttime.xmlschema
changes["endtime"] = endtime.xmlschema
tiles.each do |tile, count|
x = (tile.to_i >> zoom) & mask
y = tile.to_i & mask
t = XML::Node.new "tile"
t["x"] = x.to_s
t["y"] = y.to_s
t["z"] = zoom.to_s
t["changes"] = count.to_s
changes << t
end
doc.root << changes
render :xml => doc.to_s
else
render :plain => "Requested zoom is invalid, or the supplied start is after the end time, or the start duration is more than 24 hours", :status => :bad_request
end
end
end

View file

@ -59,7 +59,7 @@ OpenStreetMap::Application.routes.draw do
get "trackpoints" => "api/tracepoints#index"
get "changes" => "api#changes"
get "changes" => "api/changes#index"
get "search" => "search#search_all", :as => "api_search"
get "ways/search" => "search#search_ways"

View file

@ -0,0 +1,106 @@
require "test_helper"
module Api
class ChangesControllerTest < ActionController::TestCase
##
# test all routes which lead to this controller
def test_routes
assert_routing(
{ :path => "/api/0.6/changes", :method => :get },
{ :controller => "api/changes", :action => "index" }
)
end
# MySQL and Postgres require that the C based functions are installed for
# this test to work. More information is available from:
# http://wiki.openstreetmap.org/wiki/Rails#Installing_the_quadtile_functions
# or by looking at the readme in db/README
def test_changes_simple
# create a selection of nodes
(1..5).each do |n|
create(:node, :timestamp => Time.utc(2007, 1, 1, 0, 0, 0), :lat => n, :lon => n)
end
# deleted nodes should also be counted
create(:node, :deleted, :timestamp => Time.utc(2007, 1, 1, 0, 0, 0), :lat => 6, :lon => 6)
# nodes in the same tile won't change the total
create(:node, :timestamp => Time.utc(2007, 1, 1, 0, 0, 0), :lat => 6, :lon => 6)
# nodes with a different timestamp should be ignored
create(:node, :timestamp => Time.utc(2008, 1, 1, 0, 0, 0), :lat => 7, :lon => 7)
travel_to Time.utc(2010, 4, 3, 10, 55, 0) do
get :index
assert_response :success
now = Time.now.getutc
hourago = now - 1.hour
assert_select "osm[version='#{API_VERSION}'][generator='#{GENERATOR}']", :count => 1 do
assert_select "changes[starttime='#{hourago.xmlschema}'][endtime='#{now.xmlschema}']", :count => 1 do
assert_select "tile", :count => 0
end
end
end
travel_to Time.utc(2007, 1, 1, 0, 30, 0) do
get :index
assert_response :success
# print @response.body
# As we have loaded the fixtures, we can assume that there are some
# changes at the time we have frozen at
now = Time.now.getutc
hourago = now - 1.hour
assert_select "osm[version='#{API_VERSION}'][generator='#{GENERATOR}']", :count => 1 do
assert_select "changes[starttime='#{hourago.xmlschema}'][endtime='#{now.xmlschema}']", :count => 1 do
assert_select "tile", :count => 6
end
end
end
end
def test_changes_zoom_invalid
zoom_to_test = %w[p -1 0 17 one two]
zoom_to_test.each do |zoom|
get :index, :params => { :zoom => zoom }
assert_response :bad_request
assert_equal @response.body, "Requested zoom is invalid, or the supplied start is after the end time, or the start duration is more than 24 hours"
end
end
def test_changes_zoom_valid
1.upto(16) do |zoom|
get :index, :params => { :zoom => zoom }
assert_response :success
# NOTE: there was a test here for the timing, but it was too sensitive to be a good test
# and it was annoying.
assert_select "osm[version='#{API_VERSION}'][generator='#{GENERATOR}']", :count => 1 do
assert_select "changes", :count => 1
end
end
end
def test_changes_hours_invalid
invalid = %w[-21 335 -1 0 25 26 100 one two three ping pong :]
invalid.each do |hour|
get :index, :params => { :hours => hour }
assert_response :bad_request, "Problem with the hour: #{hour}"
assert_equal @response.body, "Requested zoom is invalid, or the supplied start is after the end time, or the start duration is more than 24 hours", "Problem with the hour: #{hour}."
end
end
def test_changes_hours_valid
1.upto(24) do |hour|
get :index, :params => { :hours => hour }
assert_response :success
end
end
def test_changes_start_end_invalid
get :index, :params => { :start => "2010-04-03 10:55:00", :end => "2010-04-03 09:55:00" }
assert_response :bad_request
assert_equal @response.body, "Requested zoom is invalid, or the supplied start is after the end time, or the start duration is more than 24 hours"
end
def test_changes_start_end_valid
get :index, :params => { :start => "2010-04-03 09:55:00", :end => "2010-04-03 10:55:00" }
assert_response :success
end
end
end

View file

@ -22,10 +22,6 @@ class ApiControllerTest < ActionController::TestCase
{ :path => "/api/0.6/map", :method => :get },
{ :controller => "api", :action => "map" }
)
assert_routing(
{ :path => "/api/0.6/changes", :method => :get },
{ :controller => "api", :action => "changes" }
)
end
# -------------------------------------
@ -180,96 +176,4 @@ class ApiControllerTest < ActionController::TestCase
# end
# end
# end
# MySQL and Postgres require that the C based functions are installed for
# this test to work. More information is available from:
# http://wiki.openstreetmap.org/wiki/Rails#Installing_the_quadtile_functions
# or by looking at the readme in db/README
def test_changes_simple
# create a selection of nodes
(1..5).each do |n|
create(:node, :timestamp => Time.utc(2007, 1, 1, 0, 0, 0), :lat => n, :lon => n)
end
# deleted nodes should also be counted
create(:node, :deleted, :timestamp => Time.utc(2007, 1, 1, 0, 0, 0), :lat => 6, :lon => 6)
# nodes in the same tile won't change the total
create(:node, :timestamp => Time.utc(2007, 1, 1, 0, 0, 0), :lat => 6, :lon => 6)
# nodes with a different timestamp should be ignored
create(:node, :timestamp => Time.utc(2008, 1, 1, 0, 0, 0), :lat => 7, :lon => 7)
travel_to Time.utc(2010, 4, 3, 10, 55, 0) do
get :changes
assert_response :success
now = Time.now.getutc
hourago = now - 1.hour
assert_select "osm[version='#{API_VERSION}'][generator='#{GENERATOR}']", :count => 1 do
assert_select "changes[starttime='#{hourago.xmlschema}'][endtime='#{now.xmlschema}']", :count => 1 do
assert_select "tile", :count => 0
end
end
end
travel_to Time.utc(2007, 1, 1, 0, 30, 0) do
get :changes
assert_response :success
# print @response.body
# As we have loaded the fixtures, we can assume that there are some
# changes at the time we have frozen at
now = Time.now.getutc
hourago = now - 1.hour
assert_select "osm[version='#{API_VERSION}'][generator='#{GENERATOR}']", :count => 1 do
assert_select "changes[starttime='#{hourago.xmlschema}'][endtime='#{now.xmlschema}']", :count => 1 do
assert_select "tile", :count => 6
end
end
end
end
def test_changes_zoom_invalid
zoom_to_test = %w[p -1 0 17 one two]
zoom_to_test.each do |zoom|
get :changes, :params => { :zoom => zoom }
assert_response :bad_request
assert_equal @response.body, "Requested zoom is invalid, or the supplied start is after the end time, or the start duration is more than 24 hours"
end
end
def test_changes_zoom_valid
1.upto(16) do |zoom|
get :changes, :params => { :zoom => zoom }
assert_response :success
# NOTE: there was a test here for the timing, but it was too sensitive to be a good test
# and it was annoying.
assert_select "osm[version='#{API_VERSION}'][generator='#{GENERATOR}']", :count => 1 do
assert_select "changes", :count => 1
end
end
end
def test_changes_hours_invalid
invalid = %w[-21 335 -1 0 25 26 100 one two three ping pong :]
invalid.each do |hour|
get :changes, :params => { :hours => hour }
assert_response :bad_request, "Problem with the hour: #{hour}"
assert_equal @response.body, "Requested zoom is invalid, or the supplied start is after the end time, or the start duration is more than 24 hours", "Problem with the hour: #{hour}."
end
end
def test_changes_hours_valid
1.upto(24) do |hour|
get :changes, :params => { :hours => hour }
assert_response :success
end
end
def test_changes_start_end_invalid
get :changes, :params => { :start => "2010-04-03 10:55:00", :end => "2010-04-03 09:55:00" }
assert_response :bad_request
assert_equal @response.body, "Requested zoom is invalid, or the supplied start is after the end time, or the start duration is more than 24 hours"
end
def test_changes_start_end_valid
get :changes, :params => { :start => "2010-04-03 09:55:00", :end => "2010-04-03 10:55:00" }
assert_response :success
end
end