Check lat_lon range

Author: lmrodriguezr

app/models/sample_set.rb

@@ -193,6 +193,7 @@ def nice_key(raw_key)
     end
 
     def parse_location_coordinate(string, type)
+      type = type.to_s.downcase.to_sym
       # A simple (positive) number, no captures
       num = /[\d\.,]+/
       # A sexagesimal coordinate (without direction), captures:
@@ -218,6 +219,11 @@ def parse_location_coordinate(string, type)
           m[1].gsub(',', '.').to_f
         end
 
+      if decimal.abs > 180.0 || (type == :lat && decimal.abs > 90.0)
+        warn 'unexpectedly large value for %s: %.2f' % [type, decimal]
+        return nil
+      end
+
       allowed_dir = { lat: %w[S s N n], lon: %w[W w E e] }
       if m[2].present? && !allowed_dir[type.to_sym].include?(m[2])
         warn 'unexpected direction for %s: %s' % [type, m[2]]