Merge remote-tracking branch 'upstream/pull/3324'

[rails.git] / app / controllers / api / changesets_controller.rb

diff --git a/app/controllers/api/changesets_controller.rb b/app/controllers/api/changesets_controller.rb
index ffd9a112bb433048e55380b593fac7ecae0e7494..63fda31bdc297e0e509437da3d6ada61584197bd 100644 (file)
--- a/app/controllers/api/changesets_controller.rb
+++ b/app/controllers/api/changesets_controller.rb
@@ -2,7 +2,6 @@
 
 module Api
   class ChangesetsController < ApiController
-    layout "site"
     require "xml/libxml"
 
     before_action :authorize, :only => [:create, :update, :upload, :close, :subscribe, :unsubscribe]
@@ -12,6 +11,8 @@ module Api
     before_action :require_public_data, :only => [:create, :update, :upload, :close, :subscribe, :unsubscribe]
     before_action :check_api_writable, :only => [:create, :update, :upload, :subscribe, :unsubscribe]
     before_action :check_api_readable, :except => [:create, :update, :upload, :download, :query, :subscribe, :unsubscribe]
+    before_action :set_request_formats, :only => [:download]
+
     around_action :api_call_handle_error
     around_action :api_call_timeout, :except => [:upload]
 
@@ -22,7 +23,7 @@ module Api
     def create
       assert_method :put
 
-      cs = Changeset.from_xml(request.raw_post, true)
+      cs = Changeset.from_xml(request.raw_post, :create => true)
 
       # Assume that Changeset.from_xml has thrown an exception if there is an error parsing the xml
       cs.user = current_user
@@ -61,50 +62,6 @@ module Api
       head :ok
     end
 
-    ##
-    # insert a (set of) points into a changeset bounding box. this can only
-    # increase the size of the bounding box. this is a hint that clients can
-    # set either before uploading a large number of changes, or changes that
-    # the client (but not the server) knows will affect areas further away.
-    def expand_bbox
-      # only allow POST requests, because although this method is
-      # idempotent, there is no "document" to PUT really...
-      assert_method :post
-
-      cs = Changeset.find(params[:id])
-      check_changeset_consistency(cs, current_user)
-
-      # keep an array of lons and lats
-      lon = []
-      lat = []
-
-      # the request is in pseudo-osm format... this is kind-of an
-      # abuse, maybe should change to some other format?
-      doc = XML::Parser.string(request.raw_post, :options => XML::Parser::Options::NOERROR).parse
-      doc.find("//osm/node").each do |n|
-        lon << n["lon"].to_f * GeoRecord::SCALE
-        lat << n["lat"].to_f * GeoRecord::SCALE
-      end
-
-      # add the existing bounding box to the lon-lat array
-      lon << cs.min_lon unless cs.min_lon.nil?
-      lat << cs.min_lat unless cs.min_lat.nil?
-      lon << cs.max_lon unless cs.max_lon.nil?
-      lat << cs.max_lat unless cs.max_lat.nil?
-
-      # collapse the arrays to minimum and maximum
-      cs.min_lon = lon.min
-      cs.min_lat = lat.min
-      cs.max_lon = lon.max
-      cs.max_lat = lat.max
-
-      # save the larger bounding box and return the changeset, which
-      # will include the bigger bounding box.
-      cs.save!
-      @changeset = cs
-      render "changeset"
-    end
-
     ##
     # Upload a diff in a single transaction.
     #
@@ -167,35 +124,29 @@ module Api
         end
       end
 
-      # create changeset and user caches
-      changeset_cache = {}
-      user_display_name_cache = {}
-
-      # create an osmChange document for the output
-      result = OSM::API.new.get_xml_doc
-      result.root.name = "osmChange"
-
       # generate an output element for each operation. note: we avoid looking
       # at the history because it is simpler - but it would be more correct to
       # check these assertions.
+      @created = []
+      @modified = []
+      @deleted = []
+
       elements.each do |elt|
-        result.root <<
-          if elt.version == 1
-            # first version, so it must be newly-created.
-            created = XML::Node.new "create"
-            created << elt.to_xml_node(changeset_cache, user_display_name_cache)
-          elsif elt.visible
-            # must be a modify
-            modified = XML::Node.new "modify"
-            modified << elt.to_xml_node(changeset_cache, user_display_name_cache)
-          else
-            # if the element isn't visible then it must have been deleted
-            deleted = XML::Node.new "delete"
-            deleted << elt.to_xml_node(changeset_cache, user_display_name_cache)
-          end
+        if elt.version == 1
+          # first version, so it must be newly-created.
+          @created << elt
+        elsif elt.visible
+          # must be a modify
+          @modified << elt
+        else
+          # if the element isn't visible then it must have been deleted
+          @deleted << elt
+        end
       end
 
-      render :xml => result.to_s
+      respond_to do |format|
+        format.xml
+      end
     end
 
     ##
@@ -353,7 +304,7 @@ module Api
         # low, second is high - same as with bounding boxes.
 
         # check that we actually have 2 elements in the array
-        times = time.split(/,/)
+        times = time.split(",")
         raise OSM::APIBadUserInput, "bad time range" if times.size != 2
 
         from, to = times.collect { |t| Time.parse(t) }
@@ -364,9 +315,7 @@ module Api
       end
       # stupid Time seems to throw both of these for bad parsing, so
       # we have to catch both and ensure the correct code path is taken.
-    rescue ArgumentError => e
-      raise OSM::APIBadUserInput, e.message.to_s
-    rescue RuntimeError => e
+    rescue ArgumentError, RuntimeError => e
       raise OSM::APIBadUserInput, e.message.to_s
     end