Class: Classyfier::Classifiers::USRegions

Inherits:
Object
  • Object
show all
Defined in:
lib/classyfier/us_regions.rb

Constant Summary collapse

SOUTH = 
"south"
WEST = 
"west"
MIDWEST = 
"midwest"
NORTHEAST = 
"northeast"
REGIONS = 
[SOUTH, WEST, MIDWEST, NORTHEAST]

Instance Method Summary collapse

Constructor Details

#initialize ⇒ USRegions

Returns a new instance of USRegions.



11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
 
# File 'lib/classyfier/us_regions.rb', line 11

def initialize()
  @codes = {
    "AK" => WEST, 
    "AL" => SOUTH, 
    "AR" => SOUTH, 
    "AZ" => WEST, 
    "CA" => WEST, 
    "CO" => WEST, 
    "CT" => NORTHEAST, 
    "DC" => NORTHEAST, 
    "DE" => NORTHEAST, 
    "FL" => SOUTH, 
    "GA" => SOUTH, 
    "HI" => nil, 
    "IA" => MIDWEST, 
    "ID" => WEST, 
    "IL" => MIDWEST, 
    "IN" => MIDWEST, 
    "KS" => MIDWEST, 
    "KY" => SOUTH, 
    "LA" => SOUTH, 
    "MA" => NORTHEAST, 
    "MD" => NORTHEAST, 
    "ME" => NORTHEAST, 
    "MI" => MIDWEST, 
    "MN" => MIDWEST, 
    "MO" => MIDWEST, 
    "MS" => SOUTH, 
    "MT" => WEST, 
    "NC" => SOUTH, 
    "ND" => MIDWEST, 
    "NE" => MIDWEST, 
    "NH" => NORTHEAST, 
    "NJ" => NORTHEAST, 
    "NM" => WEST, 
    "NV" => WEST, 
    "NY" => NORTHEAST, 
    "OH" => MIDWEST, 
    "OK" => MIDWEST, 
    "OR" => WEST, 
    "PA" => NORTHEAST, 
    "RI" => NORTHEAST, 
    "SC" => SOUTH, 
    "SD" => MIDWEST, 
    "TN" => SOUTH, 
    "TX" => SOUTH, 
    "UT" => WEST, 
    "VA" => SOUTH, 
    "VT" => NORTHEAST, 
    "WA" => WEST, 
    "WI" => MIDWEST, 
    "WV" => SOUTH, 
    "WY" => WEST }

  @names = {"alaska"=>"AK", "alabama"=>"AL", "arkansas"=>"AR", "american samoa"=>"AS", "arizona"=>"AZ", "california"=>"CA", "colorado"=>"CO", "connecticut"=>"CT", "district of columbia"=>"DC", "delaware"=>"DE", "florida"=>"FL", "georgia"=>"GA", "guam"=>"GU", "hawaii"=>"HI", "iowa"=>"IA", "idaho"=>"ID", "illinois"=>"IL", "indiana"=>"IN", "kansas"=>"KS", "kentucky"=>"KY", "louisiana"=>"LA", "massachusetts"=>"MA", "maryland"=>"MD", "maine"=>"ME", "michigan"=>"MI", "minnesota"=>"MN", "missouri"=>"MO", "northern mariana islands"=>"MP", "mississippi"=>"MS", "montana"=>"MT", "north carolina"=>"NC", "north dakota"=>"ND", "nebraska"=>"NE", "new hampshire"=>"NH", "new jersey"=>"NJ", "new mexico"=>"NM", "nevada"=>"NV", "new york"=>"NY", "ohio"=>"OH", "oklahoma"=>"OK", "oregon"=>"OR", "pennsylvania"=>"PA", "puerto rico"=>"PR", "rhode island"=>"RI", "south carolina"=>"SC", "south dakota"=>"SD", "tennessee"=>"TN", "texas"=>"TX", "united states minor outlying islands"=>"UM", "utah"=>"UT", "virginia"=>"VA", "virgin islands"=>"VI", "vermont"=>"VT", "washington"=>"WA", "wisconsin"=>"WI", "west virginia"=>"WV", "wyoming"=>"WY"}
  
  @regional_coords = {
    SOUTH => {
      :top => 37,
      :bottom => 30,
      :right => 75,
      :left => 100 
    },
    WEST => {
      :top => 48,
      :bottom => 32,
      :right => 103,
      :left => 125 
    },
    MIDWEST => {
      :top => 48,
      :bottom => 30,
      :right => 80,
      :left => 35 
    },
    NORTHEAST => {
      :top => 48,
      :bottom => 37,
      :right => 65,
      :left => 80 
    },
  }
end

Instance Method Details

#classify(opts = {:lat => nil, :long => nil, :text => nil}) ⇒ Object 



95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
 
# File 'lib/classyfier/us_regions.rb', line 95

def classify(opts = {:lat => nil, :long => nil, :text => nil})
  if opts[:lat] && opts[:long]
    for region in REGIONS
      if opts[:long] >= @regional_coords[region][:right] &&
         opts[:long] <= @regional_coords[region][:left] &&
         opts[:lat] >= @regional_coords[region][:bottom] &&
         opts[:lat] <= @regional_coords[region][:top]
        return region
      end
    end
    return nil
  end
  
  unless !opts[:text]
    chunks = opts[:text].split(/[,\s]/)
    for word in chunks
      cleanword = clean_word(word.downcase)
      
      state = cleanword.upcase if @codes[cleanword.upcase]
      state = @names[cleanword] if !state && @names[cleanword]

      return @codes[state] if state
    end
  end
  
  return nil
end