Disentangle the api abilities from the web abilities

[rails.git] / lib / bounding_box.rb

diff --git a/lib/bounding_box.rb b/lib/bounding_box.rb
index c01808f546a87eb221d53a1a06ea485fa0a78212..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)
   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)
     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)
     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
 
     from_bbox_array(bbox_array)
   end
 


@@ -43,40 +37,43 @@ 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?
     # 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
 
   def check_boundaries
     # check the bbox is sane
     end
     self
   end
 
   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")
-    end
-    if min_lat > max_lat
-      fail OSM::APIBadBoundingBox.new(
-        "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
     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}," +
-                                       " and longitudes between #{-LON_LIMIT} and #{LON_LIMIT}")
+      raise OSM::APIBadBoundingBox, "The latitudes must be between #{-LAT_LIMIT} and #{LAT_LIMIT}," \
+                                       " and longitudes between #{-LON_LIMIT} and #{LON_LIMIT}"

     end
     self
   end
 
     end
     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
     # check the bbox isn't too large
     if area > max_area

-      fail 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")
+      raise OSM::APIBadBoundingBox, "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
   end
     end
     self
   end


@@ -127,10 +124,10 @@ class BoundingBox
   # there are two forms used for bounds with and without an underscore,
   # cater for both forms eg minlon and min_lon
   def add_bounds_to(hash, underscore = "")
   # there are two forms used for bounds with and without an underscore,
   # cater for both forms eg minlon and min_lon
   def add_bounds_to(hash, underscore = "")

-    hash["min#{underscore}lat"] = min_lat.to_s
-    hash["min#{underscore}lon"] = min_lon.to_s
-    hash["max#{underscore}lat"] = max_lat.to_s
-    hash["max#{underscore}lon"] = max_lon.to_s
+    hash["min#{underscore}lat"] = format("%.7f", min_lat)
+    hash["min#{underscore}lon"] = format("%.7f", min_lon)
+    hash["max#{underscore}lat"] = format("%.7f", max_lat)
+    hash["max#{underscore}lon"] = format("%.7f", max_lon)

     hash
   end
 
     hash
   end
 


@@ -160,10 +157,8 @@ class BoundingBox
     private
 
     def from_bbox_array(bbox_array)
     private
 
     def 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")
-      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
       # 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