Sha256: 27b43f63ffe3b63d8e1d82021fa042f2c7eb7796c1bab70ca4c617e912664ed6
Contents?: true
Size: 1.32 KB
Versions: 17
Compression:
Stored size: 1.32 KB
Contents
require 'json'
require 'volt'
module Volt
# Renders responses for HttpController actions
class HttpResponseRenderer
@renderers = {}
def self.renderers
@renderers
end
# Register renderers.
def self.register_renderer(name, content_type, proc)
@renderers[name.to_sym] = { proc: proc, content_type: content_type }
end
# Default renderers for json and plain text
register_renderer(:json, 'application/json', proc { |data| data.to_json })
register_renderer(:text, 'text/plain', proc { |data| data.to_s })
# Iterate through @renderes to find a matching renderer for the given
# content and call the given proc.
# Other params fromt he content are returned as additional headers
# Returns an empty string if no renderer could be found
def render(content)
content = content.symbolize_keys
self.class.renderers.keys.each do |renderer_name|
if content.key?(renderer_name)
renderer = self.class.renderers[renderer_name]
to_render = content.delete(renderer_name)
rendered = renderer[:proc].call(to_render)
return [rendered, content.merge(content_type: renderer[:content_type])]
end
end
# If we couldn't find a renderer - just render an empty string
['', content_type: 'text/plain']
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems