Created
December 15, 2011 14:32
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# put this in lib | |
module Merb | |
module PartsMixin | |
# Dispatches a PartController. | |
# ==== Parameters | |
# opts<Hash>:: A Hash of Options. (see below) | |
# | |
# ==== Options | |
# An option hash has two parts. | |
# 1. keys that are Merb::PartControllers with values that are action names (as symbols) | |
# 2. key value pairs that will become available in the PartController as params merged | |
# with the web controllers params | |
# | |
# ==== Example | |
# Calling a part controller | |
# {{{ | |
# part TodoPart => :list | |
# }}} | |
# | |
# Calling a part with additional options | |
# {{{ | |
# part TodoPart => :list, :limit => 20, :user => current_user | |
# }}} | |
# | |
# ==== Returns | |
# Returns the result of the PartControllers action, which is a string. | |
def part(opts = {}) | |
# Extract any params out that may have been specified | |
klasses, opts = opts.partition do |k,v| | |
k.respond_to?(:ancestors) && k.ancestors.include?(Merb::PartController) | |
end | |
opts = opts.empty? ? {} : opts.to_h | |
res = klasses.inject([]) do |memo,(klass,action)| | |
memo << klass.new(self, opts)._dispatch(action) | |
end | |
res.size == 1 ? res[0] : res | |
end | |
end | |
end |
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