Implement the OWG credit policy for hosting partners.

[rails.git] / lib / bounding_box.rb

diff --git a/lib/bounding_box.rb b/lib/bounding_box.rb
index e784342639c50c57056d5fac45dee8f989464345..11e831cfe08dd70cc6c214d1244224bc519fb974 100644 (file)
--- a/lib/bounding_box.rb
+++ b/lib/bounding_box.rb
@@ -3,10 +3,8 @@ class BoundingBox
 
   LON_LIMIT = 180.0
   LAT_LIMIT = 90.0
-  SCALED_LON_LIMIT = LON_LIMIT *  GeoRecord::SCALE
-  SCALED_LAT_LIMIT = LAT_LIMIT *  GeoRecord::SCALE
-
-  public
+  SCALED_LON_LIMIT = LON_LIMIT * GeoRecord::SCALE
+  SCALED_LAT_LIMIT = LAT_LIMIT * GeoRecord::SCALE
 
   def initialize(min_lon, min_lat, max_lon, max_lat)
     @min_lon = min_lon.to_f unless min_lon.nil?
@@ -16,16 +14,12 @@ class BoundingBox
   end
 
   def self.from_s(s)
-    if s.count(',') == 3
-      BoundingBox.new(*s.split(/,/))
-    else
-      nil
-    end
+    BoundingBox.new(*s.split(/,/)) if s.count(",") == 3
   end
 
   def self.from_bbox_params(params)
-    if params[:bbox] && params[:bbox].count(',') == 3
-      bbox_array = params[:bbox].split(',')
+    if params[:bbox] && params[:bbox].count(",") == 3
+      bbox_array = params[:bbox].split(",")
     end
     from_bbox_array(bbox_array)
   end
@@ -49,14 +43,22 @@ class BoundingBox
     # only try to expand the bbox if there is a value for every coordinate
     # which there will be from the previous line as long as array does not contain a nil
     if bbox.complete?
-      @min_lon = [-SCALED_LON_LIMIT,
-                  bbox.min_lon + margin * (min_lon - max_lon)].max if bbox.min_lon < min_lon
-      @min_lat = [-SCALED_LAT_LIMIT,
-                  bbox.min_lat + margin * (min_lat - max_lat)].max if bbox.min_lat < min_lat
-      @max_lon = [+SCALED_LON_LIMIT,
-                  bbox.max_lon + margin * (max_lon - min_lon)].min if bbox.max_lon > max_lon
-      @max_lat = [+SCALED_LAT_LIMIT,
-                  bbox.max_lat + margin * (max_lat - min_lat)].min if bbox.max_lat > max_lat
+      if bbox.min_lon < min_lon
+        @min_lon = [-SCALED_LON_LIMIT,
+                    bbox.min_lon + margin * (min_lon - max_lon)].max
+      end
+      if bbox.min_lat < min_lat
+        @min_lat = [-SCALED_LAT_LIMIT,
+                    bbox.min_lat + margin * (min_lat - max_lat)].max
+      end
+      if bbox.max_lon > max_lon
+        @max_lon = [+SCALED_LON_LIMIT,
+                    bbox.max_lon + margin * (max_lon - min_lon)].min
+      end
+      if bbox.max_lat > max_lat
+        @max_lat = [+SCALED_LAT_LIMIT,
+                    bbox.max_lat + margin * (max_lat - min_lat)].min
+      end
     end
     self
   end
@@ -64,15 +66,17 @@ class BoundingBox
   def check_boundaries
     # check the bbox is sane
     if min_lon > max_lon
-      fail OSM::APIBadBoundingBox.new(
-        "The minimum longitude must be less than the maximum longitude, but it wasn't")
+      raise OSM::APIBadBoundingBox.new(
+        "The minimum longitude must be less than the maximum longitude, but it wasn't"
+      )
     end
     if min_lat > max_lat
-      fail OSM::APIBadBoundingBox.new(
-        "The minimum latitude must be less than the maximum latitude, but it wasn't")
+      raise OSM::APIBadBoundingBox.new(
+        "The minimum latitude must be less than the maximum latitude, but it wasn't"
+      )
     end
     if min_lon < -LON_LIMIT || min_lat < -LAT_LIMIT || max_lon > +LON_LIMIT || max_lat > +LAT_LIMIT
-      fail OSM::APIBadBoundingBox.new("The latitudes must be between #{-LAT_LIMIT} and #{LAT_LIMIT}," +
+      raise OSM::APIBadBoundingBox.new("The latitudes must be between #{-LAT_LIMIT} and #{LAT_LIMIT}," +
                                        " and longitudes between #{-LON_LIMIT} and #{LON_LIMIT}")
     end
     self
@@ -81,7 +85,7 @@ class BoundingBox
   def check_size(max_area = MAX_REQUEST_AREA)
     # check the bbox isn't too large
     if area > max_area
-      fail OSM::APIBadBoundingBox.new("The maximum bbox size is " + max_area.to_s +
+      raise OSM::APIBadBoundingBox.new("The maximum bbox size is " + max_area.to_s +
         ", and your request was too large. Either request a smaller area, or use planet.osm")
     end
     self
@@ -162,20 +166,23 @@ class BoundingBox
     "#{min_lon},#{min_lat},#{max_lon},#{max_lat}"
   end
 
-  private
-
-  def self.from_bbox_array(bbox_array)
-    unless bbox_array
-      fail OSM::APIBadUserInput.new(
-        "The parameter bbox is required, and must be of the form min_lon,min_lat,max_lon,max_lat")
+  class << self
+    private
+
+    def from_bbox_array(bbox_array)
+      unless bbox_array
+        raise OSM::APIBadUserInput.new(
+          "The parameter bbox is required, and must be of the form min_lon,min_lat,max_lon,max_lat"
+        )
+      end
+      # 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
+      min_lat = [[bbox_array[1].to_f, -LAT_LIMIT].max, +LAT_LIMIT].min
+      max_lon = [[bbox_array[2].to_f, +LON_LIMIT].min, -LON_LIMIT].max
+      max_lat = [[bbox_array[3].to_f, +LAT_LIMIT].min, -LAT_LIMIT].max
+      BoundingBox.new(min_lon, min_lat, max_lon, max_lat)
     end
-    # 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
-    min_lat = [[bbox_array[1].to_f, -LAT_LIMIT].max, +LAT_LIMIT].min
-    max_lon = [[bbox_array[2].to_f, +LON_LIMIT].min, -LON_LIMIT].max
-    max_lat = [[bbox_array[3].to_f, +LAT_LIMIT].min, -LAT_LIMIT].max
-    BoundingBox.new(min_lon, min_lat, max_lon, max_lat)
   end
 
   def update!(bbox)