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[rails.git] / lib / bounding_box.rb

diff --git a/lib/bounding_box.rb b/lib/bounding_box.rb
index f12683d3c4831cd99db1ecb51ebb29245989e48a..d1c39f1f4dbf73674f6f875d4489c86be17a0c1a 100644 (file)
--- a/lib/bounding_box.rb
+++ b/lib/bounding_box.rb
@@ -18,23 +18,17 @@ class BoundingBox
   end
 
   def self.from_bbox_params(params)
-    if params[:bbox] && params[:bbox].count(",") == 3
-      bbox_array = params[:bbox].split(",")
-    end
+    bbox_array = params[:bbox].split(",") if params[:bbox] && params[:bbox].count(",") == 3
     from_bbox_array(bbox_array)
   end
 
   def self.from_lon_lat_params(params)
-    if params[:minlon] && params[:minlat] && params[:maxlon] && params[:maxlat]
-      bbox_array = [params[:minlon], params[:minlat], params[:maxlon], params[:maxlat]]
-    end
+    bbox_array = [params[:minlon], params[:minlat], params[:maxlon], params[:maxlat]] if params[:minlon] && params[:minlat] && params[:maxlon] && params[:maxlat]
     from_bbox_array(bbox_array)
   end
 
   def self.from_lrbt_params(params)
-    if params[:l] && params[:b] && params[:t] && params[:t]
-      bbox_array = [params[:l], params[:b], params[:r], params[:t]]
-    end
+    bbox_array = [params[:l], params[:b], params[:r], params[:t]] if params[:l] && params[:b] && params[:t] && params[:t]
     from_bbox_array(bbox_array)
   end
 
@@ -65,12 +59,9 @@ class BoundingBox
 
   def check_boundaries
     # check the bbox is sane
-    if min_lon > max_lon
-      raise OSM::APIBadBoundingBox, "The minimum longitude must be less than the maximum longitude, but it wasn't"
-    end
-    if min_lat > max_lat
-      raise OSM::APIBadBoundingBox, "The minimum latitude must be less than the maximum latitude, but it wasn't"
-    end
+    raise OSM::APIBadBoundingBox, "The minimum longitude must be less than the maximum longitude, but it wasn't" if min_lon > max_lon
+    raise OSM::APIBadBoundingBox, "The minimum latitude must be less than the maximum latitude, but it wasn't" if min_lat > max_lat
+
     if min_lon < -LON_LIMIT || min_lat < -LAT_LIMIT || max_lon > +LON_LIMIT || max_lat > +LAT_LIMIT
       raise OSM::APIBadBoundingBox, "The latitudes must be between #{-LAT_LIMIT} and #{LAT_LIMIT}," \
                                        " and longitudes between #{-LON_LIMIT} and #{LON_LIMIT}"
@@ -78,7 +69,7 @@ class BoundingBox
     self
   end
 
-  def check_size(max_area = MAX_REQUEST_AREA)
+  def check_size(max_area = Settings.max_request_area)
     # check the bbox isn't too large
     if area > max_area
       raise OSM::APIBadBoundingBox, "The maximum bbox size is " + max_area.to_s +
@@ -166,9 +157,8 @@ class BoundingBox
     private
 
     def from_bbox_array(bbox_array)
-      unless bbox_array
-        raise OSM::APIBadUserInput, "The parameter bbox is required, and must be of the form min_lon,min_lat,max_lon,max_lat"
-      end
+      raise OSM::APIBadUserInput, "The parameter bbox is required, and must be of the form min_lon,min_lat,max_lon,max_lat" unless bbox_array
+
       # Take an array of length 4, create a bounding box with min_lon, min_lat, max_lon and
       # max_lat within their respective boundaries.
       min_lon = [[bbox_array[0].to_f, -LON_LIMIT].max, +LON_LIMIT].min