X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/037585db3933a2954b43bd4b30ea5e30ade00be2..1def88b5d2521649f244411c06b25790163843d1:/app/controllers/changeset_controller.rb

diff --git a/app/controllers/changeset_controller.rb b/app/controllers/changeset_controller.rb
index 5b55980e3..da066a73a 100644
--- a/app/controllers/changeset_controller.rb
+++ b/app/controllers/changeset_controller.rb
@@ -83,7 +83,7 @@ class ChangesetController < ApplicationController
 
     # 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).parse
+    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
@@ -162,7 +162,7 @@ class ChangesetController < ApplicationController
     # global (SVN-style) versioning were used - then that would be
     # unambiguous.
     elements.sort! do |a, b|
-      if (a.timestamp == b.timestamp)
+      if a.timestamp == b.timestamp
         a.version <=> b.version
       else
         a.timestamp <=> b.timestamp
@@ -182,20 +182,18 @@ class ChangesetController < ApplicationController
     # check these assertions.
     elements.each do |elt|
       result.root <<
-        if (elt.version == 1)
+        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 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 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
     end
 
@@ -258,7 +256,7 @@ class ChangesetController < ApplicationController
     end
 
     if params[:display_name]
-      user = User.find_by_display_name(params[:display_name])
+      user = User.find_by(:display_name => params[:display_name])
       if !user || !user.active?
         render_unknown_user params[:display_name]
         return
@@ -277,11 +275,11 @@ class ChangesetController < ApplicationController
       changesets = conditions_nonempty(Changeset.all)
 
       if params[:display_name]
-        if user.data_public? || user == @user
-          changesets = changesets.where(:user_id => user.id)
-        else
-          changesets = changesets.where("false")
-        end
+        changesets = if user.data_public? || user == @user
+                       changesets.where(:user_id => user.id)
+                     else
+                       changesets.where("false")
+                     end
       elsif params[:bbox]
         changesets = conditions_bbox(changesets, BoundingBox.from_bbox_params(params))
       elsif params[:friends] && @user
@@ -310,8 +308,8 @@ class ChangesetController < ApplicationController
   # Add a comment to a changeset
   def comment
     # Check the arguments are sane
-    fail OSM::APIBadUserInput.new("No id was given") unless params[:id]
-    fail OSM::APIBadUserInput.new("No text was given") if params[:text].blank?
+    raise OSM::APIBadUserInput.new("No id was given") unless params[:id]
+    raise OSM::APIBadUserInput.new("No text was given") if params[:text].blank?
 
     # Extract the arguments
     id = params[:id].to_i
@@ -319,7 +317,7 @@ class ChangesetController < ApplicationController
 
     # Find the changeset and check it is valid
     changeset = Changeset.find(id)
-    fail OSM::APIChangesetNotYetClosedError.new(changeset) if changeset.is_open?
+    raise OSM::APIChangesetNotYetClosedError.new(changeset) if changeset.is_open?
 
     # Add a comment to the changeset
     comment = changeset.comments.create(:changeset => changeset,
@@ -327,7 +325,7 @@ class ChangesetController < ApplicationController
                                         :author => @user)
 
     # Notify current subscribers of the new comment
-    changeset.subscribers.each do |user|
+    changeset.subscribers.visible.each do |user|
       if @user != user
         Notifier.changeset_comment_notification(comment, user).deliver_now
       end
@@ -344,15 +342,15 @@ class ChangesetController < ApplicationController
   # Adds a subscriber to the changeset
   def subscribe
     # Check the arguments are sane
-    fail OSM::APIBadUserInput.new("No id was given") unless params[:id]
+    raise OSM::APIBadUserInput.new("No id was given") unless params[:id]
 
     # Extract the arguments
     id = params[:id].to_i
 
     # Find the changeset and check it is valid
     changeset = Changeset.find(id)
-    fail OSM::APIChangesetNotYetClosedError.new(changeset) if changeset.is_open?
-    fail OSM::APIChangesetAlreadySubscribedError.new(changeset) if changeset.subscribers.exists?(@user.id)
+    raise OSM::APIChangesetNotYetClosedError.new(changeset) if changeset.is_open?
+    raise OSM::APIChangesetAlreadySubscribedError.new(changeset) if changeset.subscribers.exists?(@user.id)
 
     # Add the subscriber
     changeset.subscribers << @user
@@ -365,15 +363,15 @@ class ChangesetController < ApplicationController
   # Removes a subscriber from the changeset
   def unsubscribe
     # Check the arguments are sane
-    fail OSM::APIBadUserInput.new("No id was given") unless params[:id]
+    raise OSM::APIBadUserInput.new("No id was given") unless params[:id]
 
     # Extract the arguments
     id = params[:id].to_i
 
     # Find the changeset and check it is valid
     changeset = Changeset.find(id)
-    fail OSM::APIChangesetNotYetClosedError.new(changeset) if changeset.is_open?
-    fail OSM::APIChangesetNotSubscribedError.new(changeset) unless changeset.subscribers.exists?(@user.id)
+    raise OSM::APIChangesetNotYetClosedError.new(changeset) if changeset.is_open?
+    raise OSM::APIChangesetNotSubscribedError.new(changeset) unless changeset.subscribers.exists?(@user.id)
 
     # Remove the subscriber
     changeset.subscribers.delete(@user)
@@ -386,7 +384,7 @@ class ChangesetController < ApplicationController
   # Sets visible flag on comment to false
   def hide_comment
     # Check the arguments are sane
-    fail OSM::APIBadUserInput.new("No id was given") unless params[:id]
+    raise OSM::APIBadUserInput.new("No id was given") unless params[:id]
 
     # Extract the arguments
     id = params[:id].to_i
@@ -405,7 +403,7 @@ class ChangesetController < ApplicationController
   # Sets visible flag on comment to true
   def unhide_comment
     # Check the arguments are sane
-    fail OSM::APIBadUserInput.new("No id was given") unless params[:id]
+    raise OSM::APIBadUserInput.new("No id was given") unless params[:id]
 
     # Extract the arguments
     id = params[:id].to_i
@@ -459,11 +457,12 @@ class ChangesetController < ApplicationController
     if bbox
       bbox.check_boundaries
       bbox = bbox.to_scaled
-      return changesets.where("min_lon < ? and max_lon > ? and min_lat < ? and max_lat > ?",
-                              bbox.max_lon.to_i, bbox.min_lon.to_i,
-                              bbox.max_lat.to_i, bbox.min_lat.to_i)
+
+      changesets.where("min_lon < ? and max_lon > ? and min_lat < ? and max_lat > ?",
+                       bbox.max_lon.to_i, bbox.min_lon.to_i,
+                       bbox.max_lat.to_i, bbox.min_lat.to_i)
     else
-      return changesets
+      changesets
     end
   end
 
@@ -471,22 +470,22 @@ class ChangesetController < ApplicationController
   # restrict changesets to those by a particular user
   def conditions_user(changesets, user, name)
     if user.nil? && name.nil?
-      return changesets
+      changesets
     else
       # shouldn't provide both name and UID
-      fail OSM::APIBadUserInput.new("provide either the user ID or display name, but not both") if user && name
+      raise OSM::APIBadUserInput.new("provide either the user ID or display name, but not both") if user && name
 
       # use either the name or the UID to find the user which we're selecting on.
       u = if name.nil?
             # user input checking, we don't have any UIDs < 1
-            fail OSM::APIBadUserInput.new("invalid user ID") if user.to_i < 1
+            raise OSM::APIBadUserInput.new("invalid user ID") if user.to_i < 1
             u = User.find(user.to_i)
           else
-            u = User.find_by_display_name(name)
+            u = User.find_by(:display_name => name)
           end
 
       # make sure we found a user
-      fail OSM::APINotFoundError.new if u.nil?
+      raise OSM::APINotFoundError.new if u.nil?
 
       # should be able to get changesets of public users only, or
       # our own changesets regardless of public-ness.
@@ -495,9 +494,10 @@ class ChangesetController < ApplicationController
         # changesets if they're non-public
         setup_user_auth
 
-        fail OSM::APINotFoundError if @user.nil? || @user.id != u.id
+        raise OSM::APINotFoundError if @user.nil? || @user.id != u.id
       end
-      return changesets.where(:user_id => u.id)
+
+      changesets.where(:user_id => u.id)
     end
   end
 
@@ -506,20 +506,19 @@ class ChangesetController < ApplicationController
   def conditions_time(changesets, time)
     if time.nil?
       return changesets
-    else
+    elsif time.count(",") == 1
       # if there is a range, i.e: comma separated, then the first is
       # low, second is high - same as with bounding boxes.
-      if time.count(",") == 1
-        # check that we actually have 2 elements in the array
-        times = time.split(/,/)
-        fail OSM::APIBadUserInput.new("bad time range") if times.size != 2
 
-        from, to = times.collect { |t| DateTime.parse(t) }
-        return changesets.where("closed_at >= ? and created_at <= ?", from, to)
-      else
-        # if there is no comma, assume its a lower limit on time
-        return changesets.where("closed_at >= ?", DateTime.parse(time))
-      end
+      # check that we actually have 2 elements in the array
+      times = time.split(/,/)
+      raise OSM::APIBadUserInput.new("bad time range") if times.size != 2
+
+      from, to = times.collect { |t| DateTime.parse(t) }
+      return changesets.where("closed_at >= ? and created_at <= ?", from, to)
+    else
+      # if there is no comma, assume its a lower limit on time
+      return changesets.where("closed_at >= ?", DateTime.parse(time))
     end
     # stupid DateTime seems to throw both of these for bad parsing, so
     # we have to catch both and ensure the correct code path is taken.
@@ -536,10 +535,10 @@ class ChangesetController < ApplicationController
   # if parameter 'open' is nill then open and closed changesets are returned
   def conditions_open(changesets, open)
     if open.nil?
-      return changesets
+      changesets
     else
-      return changesets.where("closed_at >= ? and num_changes <= ?",
-                              Time.now.getutc, Changeset::MAX_ELEMENTS)
+      changesets.where("closed_at >= ? and num_changes <= ?",
+                       Time.now.getutc, Changeset::MAX_ELEMENTS)
     end
   end
 
@@ -548,10 +547,10 @@ class ChangesetController < ApplicationController
   # ('closed at' time has passed or changes limit is hit)
   def conditions_closed(changesets, closed)
     if closed.nil?
-      return changesets
+      changesets
     else
-      return changesets.where("closed_at < ? or num_changes > ?",
-                              Time.now.getutc, Changeset::MAX_ELEMENTS)
+      changesets.where("closed_at < ? or num_changes > ?",
+                       Time.now.getutc, Changeset::MAX_ELEMENTS)
     end
   end
 
@@ -560,12 +559,12 @@ class ChangesetController < ApplicationController
   # (either specified as array or comma-separated string)
   def conditions_ids(changesets, ids)
     if ids.nil?
-      return changesets
+      changesets
     elsif ids.empty?
-      fail OSM::APIBadUserInput.new("No changesets were given to search for")
+      raise OSM::APIBadUserInput.new("No changesets were given to search for")
     else
       ids = ids.split(",").collect(&:to_i)
-      return changesets.where(:id => ids)
+      changesets.where(:id => ids)
     end
   end
 
@@ -583,7 +582,7 @@ class ChangesetController < ApplicationController
       if params[:limit].to_i > 0 && params[:limit].to_i <= 10000
         params[:limit].to_i
       else
-        fail OSM::APIBadUserInput.new("Comments limit must be between 1 and 10000")
+        raise OSM::APIBadUserInput.new("Comments limit must be between 1 and 10000")
       end
     else
       100