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Contents
# encoding: utf-8
require 'rails_best_practices/reviews/review'
module RailsBestPractices
module Reviews
# Review a view file to make sure there is no complex logic call for model.
#
# See the best practice details here http://rails-bestpractices.com/posts/25-move-code-into-model.
#
# Implementation:
#
# Review process:
# check if, unless, elsif there are multiple method calls or attribute assignments apply to one receiver,
# and the receiver is a variable, then they should be moved into model.
class MoveCodeIntoModelReview < Review
interesting_nodes :if, :unless, :elsif
interesting_files VIEW_FILES
url "http://rails-bestpractices.com/posts/25-move-code-into-model"
def initialize(options={})
super()
@use_count = options['use_count'] || 2
end
# check if node to see whose conditional statementnodes contain multiple call nodes with same receiver who is a variable.
#
# it will check every call and assignment nodes in the conditional statement nodes.
#
# if there are multiple call and assignment nodes who have the same receiver,
# and the receiver is a variable, then the conditional statement nodes should be moved into model.
add_callback :start_if, :start_unless, :start_elsif do |node|
node.conditional_statement.grep_nodes(sexp_type: :call) { |child_node| remember_variable_use_count(child_node) }
variable_use_count.each do |variable_node, count|
add_error "move code into model (#{variable_node} use_count > #{@use_count})" if count > @use_count
end
reset_variable_use_count
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems