Migration to add close-time to changesets. This replaces the boolean 'open' attribute...

[rails.git] / app / controllers / changeset_controller.rb

diff --git a/app/controllers/changeset_controller.rb b/app/controllers/changeset_controller.rb
index 1e6a44189ba1bac5cd0f8508dbdb71419cf86ba5..181c827b35a91e49657db56941c58e318c76507a 100644 (file)
--- a/app/controllers/changeset_controller.rb
+++ b/app/controllers/changeset_controller.rb
@@ -53,7 +53,11 @@ class ChangesetController < ApplicationController
       raise OSM::APIUserChangesetMismatchError 
     end
     
-    changeset.open = false
+    # to close the changeset, we'll just set its closed_at time to
+    # now. this might not be enough if there are concurrency issues, 
+    # but we'll have to wait and see.
+    changeset.closed_at = DateTime.now
+
     changeset.save!
     render :nothing => true
   rescue ActiveRecord::RecordNotFound
@@ -236,9 +240,9 @@ class ChangesetController < ApplicationController
     # create the conditions that the user asked for. some or all of
     # these may be nil.
     conditions = conditions_bbox(params['bbox'])
-    cond_merge conditions, conditions_user(params['user'])
-    cond_merge conditions, conditions_time(params['time'])
-    cond_merge conditions, conditions_open(params['open'])
+    conditions = cond_merge conditions, conditions_user(params['user'])
+    conditions = cond_merge conditions, conditions_time(params['time'])
+    conditions = cond_merge conditions, conditions_open(params['open'])
 
     # create the results document
     results = OSM::API.new.get_xml_doc
@@ -257,8 +261,6 @@ class ChangesetController < ApplicationController
     render :nothing => true, :status => :not_found
   rescue OSM::APIError => ex
     render ex.render_opts
-  rescue String => s
-    render :text => s, :content_type => "text/plain", :status => :bad_request
   end
   
   ##
@@ -317,10 +319,10 @@ class ChangesetController < ApplicationController
   # area restriction.
   def conditions_bbox(bbox)
     unless bbox.nil?
-      raise "Bounding box should be min_lon,min_lat,max_lon,max_lat" unless bbox.count(',') == 3
+      raise OSM::APIBadUserInput.new("Bounding box should be min_lon,min_lat,max_lon,max_lat") unless bbox.count(',') == 3
       bbox = sanitise_boundaries(bbox.split(/,/))
-      raise "Minimum longitude should be less than maximum." unless bbox[0] <= bbox[2]
-      raise "Minimum latitude should be less than maximum." unless bbox[1] <= bbox[3]
+      raise OSM::APIBadUserInput.new("Minimum longitude should be less than maximum.") unless bbox[0] <= bbox[2]
+      raise OSM::APIBadUserInput.new("Minimum latitude should be less than maximum.") unless bbox[1] <= bbox[3]
       return ['min_lon < ? and max_lon > ? and min_lat < ? and max_lat > ?',
               bbox[2] * GeoRecord::SCALE, bbox[0] * GeoRecord::SCALE, bbox[3]* GeoRecord::SCALE, bbox[1] * GeoRecord::SCALE]
     else
@@ -332,8 +334,19 @@ class ChangesetController < ApplicationController
   # restrict changesets to those by a particular user
   def conditions_user(user)
     unless user.nil?
+      # user input checking, we don't have any UIDs < 1
+      raise OSM::APIBadUserInput.new("invalid user ID") if user.to_i < 1
+
       u = User.find(user.to_i)
-      raise OSM::APINotFoundError unless u.data_public?
+      # should be able to get changesets of public users only, or 
+      # our own changesets regardless of public-ness.
+      unless u.data_public?
+        # get optional user auth stuff so that users can see their own
+        # changesets if they're non-public
+        setup_user_auth
+        
+        raise OSM::APINotFoundError if @user.nil? or @user.id != u.id
+      end
       return ['user_id = ?', u.id]
     else
       return nil
@@ -347,23 +360,31 @@ class ChangesetController < ApplicationController
       # 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
-        from, to = time.split(/,/).collect { |t| Date.parse(t) }
-        return ['created_at > ? and created_at < ?', from, to]
+        # 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 ['closed_at >= ? and created_at <= ?', from, to]
       else
         # if there is no comma, assume its a lower limit on time
-        return ['created_at > ?', Date.parse(time)]
+        return ['closed_at >= ?', DateTime.parse(time)]
       end
     else
       return nil
     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.
   rescue ArgumentError => ex
-    raise ex.message.to_s
+    raise OSM::APIBadUserInput.new(ex.message.to_s)
+  rescue RuntimeError => ex
+    raise OSM::APIBadUserInput.new(ex.message.to_s)
   end
 
   ##
   # restrict changes to those which are open
   def conditions_open(open)
-    return open.nil? ? nil : ['open = ?', true]
+    return open.nil? ? nil : ['closed_at >= ?', DateTime.now]
   end
 
 end