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Versions: 8
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Contents
module Locomotive
module Builder
module Liquid
module Tags
# Consume web services as easy as pie directly in liquid !
#
# Usage:
#
# {% consume blog from 'http://nocoffee.tumblr.com/api/read.json?num=3' username: 'john', password: 'easy', format: 'json', expires_in: 3000 %}
# {% for post in blog.posts %}
# {{ post.title }}
# {% endfor %}
# {% endconsume %}
#
class Consume < ::Liquid::Block
Syntax = /(#{::Liquid::VariableSignature}+)\s*from\s*(#{::Liquid::QuotedString}+)/
def initialize(tag_name, markup, tokens, context)
if markup =~ Syntax
@target = $1
@url = $2.gsub(/['"]/, '')
@options = {}
markup.scan(::Liquid::TagAttributes) do |key, value|
@options[key] = value if key != 'http'
end
@options.delete('expires_in')
else
raise ::Liquid::SyntaxError.new("Syntax Error in 'consume' - Valid syntax: consume <var> from \"<url>\" [username: value, password: value]")
end
super
end
def render(context)
context.stack do
_response = nil
begin
_response = Locomotive::Builder::Httparty::Webservice.consume(@url, @options.symbolize_keys)
rescue Exception => e
_response = { 'error' => e.message.to_s }.to_liquid
end
context.scopes.last[@target.to_s] = _response
render_all(@nodelist, context)
end
end
end
::Liquid::Template.register_tag('consume', Consume)
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems