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[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 a08edff53cd46f3f3f3404eb49cb7c9b28a1a8d7..c9c806de6ecc4a7e19d2d345180c87ea3d643493 100644 (file)
--- a/app/controllers/api/changesets_controller.rb
+++ b/app/controllers/api/changesets_controller.rb
@@ -19,9 +19,6 @@ module Api
     # Helper methods for checking consistency
     include ConsistencyValidations
 
     # Helper methods for checking consistency
     include ConsistencyValidations
 

-    DEFAULT_QUERY_LIMIT = 100
-    MAX_QUERY_LIMIT = 100
-

     ##
     # Return XML giving the basic info about the changeset. Does not
     # return anything about the nodes, ways and relations in the changeset.
     ##
     # Return XML giving the basic info about the changeset. Does not
     # return anything about the nodes, ways and relations in the changeset.


@@ -95,6 +92,10 @@ module Api
       diff_reader = DiffReader.new(request.raw_post, changeset)
       Changeset.transaction do
         result = diff_reader.commit
       diff_reader = DiffReader.new(request.raw_post, changeset)
       Changeset.transaction do
         result = diff_reader.commit

+        # the number of changes in this changeset has already been
+        # updated and is visible in this transaction so we don't need
+        # to allow for any more when checking the limit
+        check_rate_limit(0)

         render :xml => result.to_s
       end
     end
         render :xml => result.to_s
       end
     end


@@ -160,6 +161,8 @@ module Api
     ##
     # query changesets by bounding box, time, user or open/closed status.
     def query
     ##
     # query changesets by bounding box, time, user or open/closed status.
     def query

+      raise OSM::APIBadUserInput, "cannot use order=oldest with time" if params[:time] && params[:order] == "oldest"
+

       # find any bounding box
       bbox = BoundingBox.from_bbox_params(params) if params["bbox"]
 
       # find any bounding box
       bbox = BoundingBox.from_bbox_params(params) if params["bbox"]
 


@@ -169,12 +172,20 @@ module Api
       changesets = conditions_bbox(changesets, bbox)
       changesets = conditions_user(changesets, params["user"], params["display_name"])
       changesets = conditions_time(changesets, params["time"])
       changesets = conditions_bbox(changesets, bbox)
       changesets = conditions_user(changesets, params["user"], params["display_name"])
       changesets = conditions_time(changesets, params["time"])

+      changesets = conditions_from_to(changesets, params["from"], params["to"])

       changesets = conditions_open(changesets, params["open"])
       changesets = conditions_closed(changesets, params["closed"])
       changesets = conditions_ids(changesets, params["changesets"])
 
       changesets = conditions_open(changesets, params["open"])
       changesets = conditions_closed(changesets, params["closed"])
       changesets = conditions_ids(changesets, params["changesets"])
 

-      # sort and limit the changesets
-      changesets = changesets.order("created_at DESC").limit(result_limit)
+      # sort the changesets
+      changesets = if params[:order] == "oldest"
+                     changesets.order(:created_at => :asc)
+                   else
+                     changesets.order(:created_at => :desc)
+                   end
+
+      # limit the result
+      changesets = changesets.limit(result_limit)

 
       # preload users, tags and comments, and render result
       @changesets = changesets.preload(:user, :changeset_tags, :comments)
 
       # preload users, tags and comments, and render result
       @changesets = changesets.preload(:user, :changeset_tags, :comments)


@@ -272,7 +283,6 @@ module Api
     ##
     # if a bounding box was specified do some sanity checks.
     # restrict changesets to those enclosed by a bounding box
     ##
     # if a bounding box was specified do some sanity checks.
     # restrict changesets to those enclosed by a bounding box

-    # we need to return both the changesets and the bounding box

     def conditions_bbox(changesets, bbox)
       if bbox
         bbox.check_boundaries
     def conditions_bbox(changesets, bbox)
       if bbox
         bbox.check_boundaries


@@ -300,7 +310,7 @@ module Api
               # user input checking, we don't have any UIDs < 1
               raise OSM::APIBadUserInput, "invalid user ID" if user.to_i < 1
 
               # user input checking, we don't have any UIDs < 1
               raise OSM::APIBadUserInput, "invalid user ID" if user.to_i < 1
 

-              u = User.find(user.to_i)
+              u = User.find_by(:id => user.to_i)

             else
               u = User.find_by(:display_name => name)
             end
             else
               u = User.find_by(:display_name => name)
             end


@@ -318,12 +328,12 @@ module Api
           raise OSM::APINotFoundError if current_user.nil? || current_user != u
         end
 
           raise OSM::APINotFoundError if current_user.nil? || current_user != u
         end
 

-        changesets.where(:user_id => u.id)
+        changesets.where(:user => u)

       end
     end
 
     ##
       end
     end
 
     ##

-    # restrict changes to those closed during a particular time period
+    # restrict changesets to those during a particular time period

     def conditions_time(changesets, time)
       if time.nil?
         changesets
     def conditions_time(changesets, time)
       if time.nil?
         changesets


@@ -347,6 +357,33 @@ module Api
       raise OSM::APIBadUserInput, e.message.to_s
     end
 
       raise OSM::APIBadUserInput, e.message.to_s
     end
 

+    ##
+    # restrict changesets to those opened during a particular time period
+    # works similar to from..to of notes controller, including the requirement of 'from' when specifying 'to'
+    def conditions_from_to(changesets, from, to)
+      if from
+        begin
+          from = Time.parse(from).utc
+        rescue ArgumentError
+          raise OSM::APIBadUserInput, "Date #{from} is in a wrong format"
+        end
+
+        begin
+          to = if to
+                 Time.parse(to).utc
+               else
+                 Time.now.utc
+               end
+        rescue ArgumentError
+          raise OSM::APIBadUserInput, "Date #{to} is in a wrong format"
+        end
+
+        changesets.where(:created_at => from..to)
+      else
+        changesets
+      end
+    end
+

     ##
     # return changesets which are open (haven't been closed yet)
     # we do this by seeing if the 'closed at' time is in the future. Also if we've
     ##
     # return changesets which are open (haven't been closed yet)
     # we do this by seeing if the 'closed at' time is in the future. Also if we've


@@ -391,13 +428,13 @@ module Api
     # Get the maximum number of results to return
     def result_limit
       if params[:limit]
     # Get the maximum number of results to return
     def result_limit
       if params[:limit]

-        if params[:limit].to_i.positive? && params[:limit].to_i <= MAX_QUERY_LIMIT
+        if params[:limit].to_i.positive? && params[:limit].to_i <= Settings.max_changeset_query_limit

           params[:limit].to_i
         else
           params[:limit].to_i
         else

-          raise OSM::APIBadUserInput, "Changeset limit must be between 1 and #{MAX_QUERY_LIMIT}"
+          raise OSM::APIBadUserInput, "Changeset limit must be between 1 and #{Settings.max_changeset_query_limit}"

         end
       else
         end
       else

-        DEFAULT_QUERY_LIMIT
+        Settings.default_changeset_query_limit

       end
     end
   end
       end
     end
   end