Class: RoadForest::Application::Route

Inherits:
Webmachine::Dispatcher::Route
  • Object
show all
Defined in:
lib/roadforest/application/route-adapter.rb

Overview

Extension of Webmachine’s Routes that allows for rendering url paths and parameter lists.

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#name ⇒ Object

Returns the value of attribute name.



47
48
49
 
# File 'lib/roadforest/application/route-adapter.rb', line 47

def name
  @name
end

Instance Method Details

#build_params(vars = nil) ⇒ Object 



125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
 
# File 'lib/roadforest/application/route-adapter.rb', line 125

def build_params(vars = nil)
  vars ||= {}
  params = Application::Parameters.new
  path_set = Hash[path_spec.find_all{|segment| segment.is_a? Symbol}.map{|seg| [seg, true]}]
  vars.to_hash.each do |key, value|
    if(path_set.has_key?(key))
      params.path_info[key] = value
    elsif(key == '*')
      params.path_tokens = value
    else
      params.query_params[key] = value
    end
  end
  params
end

#build_path(vars = nil) ⇒ String

Create a complete URL for this route, doing any necessary variable substitution.

Parameters:

  • vars (Hash) (defaults to: nil) —

    values for the path variables

Returns:

  • (String) —

    the valid URL for the route



52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
 
# File 'lib/roadforest/application/route-adapter.rb', line 52

def build_path(vars = nil)
  vars ||= {}
  vars = vars.to_hash
  vars = vars.dup
  path_spec = resolve_path_spec(vars)
  if path_spec.any?{|segment| segment.is_a?(Symbol) or segment == "*"}
    raise "Cannot build path - missing vars: #{path_spec.inspect}"
  end
  path = "/" + path_spec.join("/")
  vars.delete('*')
  unless vars.empty?
    path += "?" + vars.map do |key,value|
      [key,value].join("=")
    end.join("&")
  end
  return path
end

#build_pattern(vals = nil, extra_vars = nil) ⇒ Object 



70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
 
# File 'lib/roadforest/application/route-adapter.rb', line 70

def build_pattern(vals = nil, extra_vars = nil)
  vals ||= {}
  extra_vars ||= []
  vals = vals.to_hash
  vals = vals.dup
  extra_vars -= path_spec.find_all{|segment| segment.is_a? Symbol}

  pattern_spec = resolve_path_spec(vals)

  pattern = pattern_spec.map do |segment|
    case segment
    when '*'
      "{/rest*}"
    when Symbol
      "{/#{segment}}"
    else
      "/" + segment
    end
  end.join("")

  vals.delete('*')
  unless vals.empty?
    pattern += "?" + vals.map do |key,value|
      [key,value].join("=")
    end.join("&")
  end
  unless extra_vars.empty?
    pattern += "{?#{extra_vars.join(",")}}"
  end
  return pattern
end

#interface_class ⇒ Object 



117
118
119
120
121
122
123
 
# File 'lib/roadforest/application/route-adapter.rb', line 117

def interface_class
  if resource.respond_to? :interface_class
    resource.interface_class
  else
    nil
  end
end

#resolve_path_spec(vars) ⇒ Object 



102
103
104
105
106
107
108
109
110
111
112
113
114
115
 
# File 'lib/roadforest/application/route-adapter.rb', line 102

def resolve_path_spec(vars)
  path_spec.map do |segment|
    case segment
    when '*',Symbol
      if (string = vars.delete(segment)).nil?
        segment
      else
        string
      end
    when String
      segment
    end
  end
end