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Support has_many :through instead of just only has_and_belongs_to_many #181

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Support has_many :through instead of just only has_and_belongs_to_many #181

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21 changes: 15 additions & 6 deletions lib/rolify.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -19,15 +19,24 @@ def rolify(options = {})
self.role_cname = options[:role_cname]
self.role_table_name = self.role_cname.tableize.gsub(/\//, "_")

default_join_table = "#{self.to_s.tableize.gsub(/\//, "_")}_#{self.role_table_name}"
options.reverse_merge!({:role_join_table_name => default_join_table})
self.role_join_table_name = options[:role_join_table_name]

rolify_options = { :class_name => options[:role_cname].camelize }
rolify_options.merge!({ :join_table => self.role_join_table_name }) if Rolify.orm == "active_record"
rolify_options.merge!(options.reject{ |k,v| ![ :before_add, :after_add, :before_remove, :after_remove ].include? k.to_sym })

has_and_belongs_to_many :roles, rolify_options
# Option to support has_many :through
has_many_through_table = options.delete(:has_many_through)
if has_many_through_table

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self.role_join_table_name = has_many_through_table
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Because I need to use that variable here :)

rolify_options[:through] = self.role_join_table_name

has_many :roles, rolify_options
else
default_join_table = "#{self.to_s.tableize.gsub(/\//, "_")}_#{self.role_table_name}"
options.reverse_merge!({:role_join_table_name => default_join_table})
self.role_join_table_name = options[:role_join_table_name]
rolify_options.merge!({ :join_table => self.role_join_table_name }) if Rolify.orm == "active_record"

has_and_belongs_to_many :roles, rolify_options
end

self.adapter = Rolify::Adapter::Base.create("role_adapter", self.role_cname, self.name)
load_dynamic_methods if Rolify.dynamic_shortcuts
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