Class: Volt::ComponentTemplates

Inherits:
Object
  • Object
show all
Extended by:
Handlers
Defined in:
lib/volt/server/component_templates.rb

Defined Under Namespace

Modules: Handlers

Instance Method Summary collapse

Methods included from Handlers

extended, extensions, handler_for_extension, register_template_handler, registered_template_handler

Constructor Details

#initialize(component_path, component_name, client = true) ⇒ ComponentTemplates

client is if we are generating for the client or backend



49
50
51
52
53
 
# File 'lib/volt/server/component_templates.rb', line 49

def initialize(component_path, component_name, client = true)
  @component_path = component_path
  @component_name = component_name
  @client         = client
end

Instance Method Details

#code ⇒ Object 



55
56
57
58
59
60
61
62
63
64
 
# File 'lib/volt/server/component_templates.rb', line 55

def code
  code = generate_routes_code + generate_view_code
  if @client
    # On the backend, we just need the views
    code << generate_controller_code + generate_model_code +
            generate_tasks_code + generate_initializers_code
  end

  code
end

#generate_controller_code ⇒ Object 



126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
 
# File 'lib/volt/server/component_templates.rb', line 126

def generate_controller_code
  code             = ''
  controllers_path = "#{@component_path}/controllers/"
  views_path = "#{@component_path}/views/"

  # Controllers are optional, specifying a view folder is enough to auto
  # generate the controller.

  implicit_controllers = Dir["#{views_path}*"].sort.map do |path|
    # remove the /views/ folder and add _controller.rb
    path.split('/').tap {|v| v[-2] = 'controllers' }.join('/') + '_controller.rb'
  end
  explicit_controllers = Dir["#{controllers_path}*_controller.rb"].sort

  controllers = (implicit_controllers + explicit_controllers).uniq
  controllers.each do |path|
    if File.exists?(path)
      code << File.read(path) + "\n\n"
    else
      # parts = path.scan(/([^\/]+)\/controllers\/([^\/]+)_controller[.]rb$/)
      # component, controller = parts[0]

      # # Generate a blank controller.  (We need to actually generate one so
      # # the Template can be attached to it for template inheritance)
      # code << "\nmodule #{component.camelize}\n  class #{controller.camelize} < Volt::ModelController\n  end\nend\n"
    end
  end

  code
end

#generate_initializers_code ⇒ Object 



202
203
204
205
206
207
 
# File 'lib/volt/server/component_templates.rb', line 202

def generate_initializers_code
  code = "\nrequire_tree '#{@component_path}/config/initializers/'\n"
  code << "require_tree '#{@component_path}/config/initializers/client'\n"

  code
end

#generate_model_code ⇒ Object 



157
158
159
160
161
162
163
164
165
166
167
168
 
# File 'lib/volt/server/component_templates.rb', line 157

def generate_model_code
  code        = ''
  models_path = "#{@component_path}/models/"

  Dir["#{models_path}*.rb"].sort.each do |model_path|
    code << File.read(model_path) + "\n\n"

    model_name = model_path.match(/([^\/]+)[.]rb$/)[1]
  end

  code
end

#generate_routes_code ⇒ Object 



170
171
172
173
174
175
176
177
178
179
180
181
 
# File 'lib/volt/server/component_templates.rb', line 170

def generate_routes_code
  code        = ''
  routes_path = "#{@component_path}/config/routes.rb"

  if File.exist?(routes_path)
    code << "#{page_reference}.add_routes do\n"
    code << "\n" + File.read(routes_path) + "\n"
    code << "end\n\n"
  end

  code
end

#generate_tasks_code ⇒ Object 



183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
 
# File 'lib/volt/server/component_templates.rb', line 183

def generate_tasks_code
  Task.known_handlers.map do |handler|
    # Split into modules and class
    klass_parts = handler.name.split('::')

    # Start with the inner class
    parts = ["class #{klass_parts.pop} < Volt::Task; end"]

    # Work backwards on the modules
    klass_parts.reverse_each do |kpart|
      parts.unshift("module #{kpart}")
      parts.push('end')
    end

    # Combine the parts
    parts.join("\n")
  end.join "\n" # combine all into one string
end

#generate_view_code ⇒ Object 



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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
 
# File 'lib/volt/server/component_templates.rb', line 74

def generate_view_code
  code = ''
  views_path = "#{@component_path}/views/"

  exts = Handlers.extensions

  # Load all templates in the folder
  Dir["#{views_path}*/*.{#{exts.join(',')}}"].sort.each do |view_path|
    path_parts = view_path.scan(/([^\/]+)\/([^\/]+)\/[^\/]+\/([^\/]+)[.](html|email)$/)
    component_name, controller_name, view, _ = path_parts[0]

    # file extension
    format = File.extname(view_path).downcase.delete('.').to_sym

    # Get the path for the template, supports templates in folders
    template_path = view_path[views_path.size..-1].gsub(/[.](#{exts.join('|')})$/, '')
    template_path = "#{@component_name}/#{template_path}"

    file_contents = File.read(view_path)

    # template_calls = []

    # Process template if we have a handler for this file type
    if handler = ComponentTemplates.handler_for_extension(format)
      file_contents = handler.call(file_contents)

      all_templates = ViewParser.new(file_contents, template_path)

      binding_initializers = []
      all_templates.templates.each_pair do |name, template|
        binding_code = []

        if template['bindings']
          template['bindings'].each_pair do |key, value|
            binding_code << "#{key.inspect} => [#{value.join(', ')}]"
          end
        end

        binding_code = "{#{binding_code.join(', ')}}"

        code << "#{page_reference}.add_template(#{name.inspect}, #{template['html'].inspect}, #{binding_code})\n"
        # template_calls << "template(#{name.inspect}, #{template['html'].inspect}, #{binding_code})"
      end
    end

    # puts "module #{component_name.camelize}\n  class #{controller_name.camelize}\n    class VoltTemplates < VoltTemplates\n      #{template_calls.join("\n")}\n    end\n  end\nend"
  end

  code

end

#page_reference ⇒ Object 



66
67
68
69
70
71
72
 
# File 'lib/volt/server/component_templates.rb', line 66

def page_reference
  if @client
    '$page'
  else
    'page'
  end
end