Module: Spider::Model::ActiveRecordModel::ClassMethods

Defined in:
lib/spiderfw/model/active_record.rb

Instance Method Summary (collapse)

Instance Method Details

- (Object) ar



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# File 'lib/spiderfw/model/active_record.rb', line 18

def ar
    @ar
end

- (Object) ar=(val)



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# File 'lib/spiderfw/model/active_record.rb', line 14

def ar=(val)
    @ar = val
end

- (Object) ar_defined



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# File 'lib/spiderfw/model/active_record.rb', line 30

def ar_defined
    @ar_defined
end

- (Object) ar_defined=(val)



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# File 'lib/spiderfw/model/active_record.rb', line 26

def ar_defined=(val)
    @ar_defined = val
end

- (Object) ar_schema



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# File 'lib/spiderfw/model/active_record.rb', line 22

def ar_schema
    @ar_schema
end

- (Object) ar_through_models



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# File 'lib/spiderfw/model/active_record.rb', line 34

def ar_through_models
    ar = @ar
    m = []
    ar.reflections.each do |name, reflection|
         if (reflection.through_reflection)
            m << reflection.through_reflection.klass.spider_model
        end
    end
    return m
end

- (Object) define_from_ar



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# File 'lib/spiderfw/model/active_record.rb', line 60

def define_from_ar
    ar = @ar
    type_conversion = {
        :integer       => Fixnum,
        :float         => Float,
        :decimal       => BigDecimal,
        :datetime      => DateTime,
        :date          => Date,
        :timestamp     => DateTime,
        :time          => DateTime,
        :string        => String,
        :text          => Spider::DataTypes::Text,
        :binary        => Spider::DataTypes::Binary,
        :boolean       => Spider::DataTypes::Bool
    }
    skip_columns = {}
    ar.reflections.each do |name, refl|
        begin
            skip_columns[refl.association_foreign_key.to_sym] = true
            skip_columns[refl.primary_key_name.to_sym] = true
        rescue NoMethodError
        end
    end
    tree_options = nil
    if (ar.respond_to?(:acts_as_nested_set_options))
        tree_options = ar.acts_as_nested_set_options
        skip_columns[tree_options[:parent_column].to_sym] = true
        skip_columns[tree_options[:left_column].to_sym] = true
        skip_columns[tree_options[:right_column].to_sym] = true
    end
    @ar_schema = {:table => ar.table_name, :columns => {}}
    ar.columns.each do |col|
        options = {}
        name = col.name.to_sym
        name = :obj_created if name == :created_on
        name = :obj_modified if name == :updated_on
        column = col.name
        type = type_conversion[col.type]
        skip = skip_columns[name]
        if ar.primary_key == column
            options[:primary_key] = true 
            options[:autoincrement] = true
        end
        
        hidden = [:obj_created, :obj_modified]
        options[:hidden] = true if hidden.include?(name)
        next if skip
#                    debugger if name == :parent_id
        @ar_schema[:columns][name] = col.name
        next unless type
        self.element(name, type, options)
    end
    ar.reflections.each do |name, reflection|
        options = {}
        association = nil
        if (reflection.macro == :belongs_to)
            association = nil
        else
            association = :many
            options[:multiple] = true
                
            # unless options[:reverse]
            #     options[:add_reverse] = ar.send(:undecorated_table_name, ar.name)
            # end
            options[:has_single_reverse] = true
        end
        options[:association] = association
        if (reflection.options[:polymorphic])
            self.element(name, Fixnum, options)
            @ar_schema[:columns][name] = reflection.primary_key_name.to_s
            next
        end
        begin
            if (reflection.through_reflection)
                klass = reflection.through_reflection.klass

                options[:junction] = true
                klass.reflections.each do |r_name, r_refl|
                    if (r_refl.klass == ar && r_refl.primary_key_name == reflection.primary_key_name)
                        options[:junction_their_element] = r_name
                    elsif(r_refl.klass == reflection.klass && r_refl.primary_key_name == reflection.association_foreign_key)
                        options[:junction_our_element] = r_name
                    end
                end
                assoc_type = klass.spider_model
#                            assoc_type.integrate(options[:junction_their_element])
                options[:association_type] = assoc_type
                type = reflection.klass.spider_model
                options[:junction_id] = :id
                options.delete(:has_single_reverse)
            elsif (reflection.options[:join_table])
                klass = reflection.klass
                type = klass.spider_model
                junction_model_name = Spider::Inflector.camelize([ar.name.to_s, klass.name.to_s].sort.join('_')).to_sym
                pm = self.parent_module
                self_name = ar.name.downcase.to_sym
                other_name = klass.name.downcase.to_sym
                options[:junction_their_element] = other_name
                options[:junction_our_element] = self_name
                options[:junction] = true
                options[:reverse] = self_name
                if (pm.const_defined?(junction_model_name))
                    junction_mod = pm.const_get(junction_model_name)
                else
                    junction_mod = Class.new(Spider::Model::BaseModel)
                    pm.const_set(junction_model_name, junction_mod)
                    
                    junction_mod.attributes[:sub_model] = ar.spider_model
                    junction_mod.element(self_name, ar.spider_model, :hidden => true, :reverse => name, :primary_key => true) 
                    junction_mod.element(other_name, type, :primary_key => true)
                    junction_mod.ar_defined = true
                end
                unless junction_mod.is_a?(ActiveRecordModel)
                    junction_mod.instance_eval do
                        include ActiveRecordModel
                    end
                end
                junction_mod.instance_variable_set("@ar_schema", {
                    :table => reflection.options[:join_table],
                    :columns => {
                        self_name => "#{ar.name.downcase}_id",
                        other_name => "#{klass.name.downcase}_id"
                    }
                })
                options[:through] = junction_mod
                options[:association_type] = junction_mod
                options[:junction_id] = :id
                options.delete(:has_single_reverse)
                #junction_mod.integrate(other_name, :hidden => true, :no_pks => true)
            else
                klass = reflection.klass
                type = klass.spider_model
            end
            klass.reflections.each do |r_name, r_refl|
                begin
                    if (r_refl.klass == ar && r_refl.primary_key_name == reflection.primary_key_name)
                        options[:reverse] = r_name
                    end
                rescue => exc
                end
            end                            
            type ||= klass.spider_model
        rescue NameError => exc
            #$stderr << exc.inspect+"\n"
            next
        end

        next unless type
        next if options[:junction]  && (!options[:junction_their_element] || !options[:junction_our_element])
        self.element(name, type, options)
        unless reflection.options[:join_table]
            if (reflection.table_name == ar.table_name)
                @ar_schema[:columns][name] = reflection.association_foreign_key
            elsif (!(reflection.macro == :has_many || reflection.through_reflection))
                @ar_schema[:columns][name] = reflection.primary_key_name.to_s
            end
        end
    end
    if (tree_options)
        include Spider::Model::Tree
        self.tree :children, :tree_left => :lft, :tree_right => :rgt, :reverse => :parent, :tree_depth => :depth
        @ar_schema[:columns].merge!({
            :lft => tree_options[:left_column],
            :rgt => tree_options[:right_column],
            :parent => tree_options[:parent_column]
        })
    end

    
    def get_connection_url(conf)
        url = case conf['adapter']
        when 'mysql'
            str = "db:mysql://#{conf['username']}:#{conf['password']}@#{conf['host']}"
            str += conf['port'] if conf['port']
            str += "/#{conf['database']}"
            str
        end
        return url
    end
    
    if (@rails_app_name)
        rails_app_name = @rails_app_name
    elsif (const_defined?("SETTINGS") && SETTINGS.is_a?(Hash))
        rails_app_name = SETTINGS[:app_name]
    elsif const_defined?("APP_NAME")
        rails_app_name = APP_NAME
    else
        rails_app_name = 'rails'
    end
    Spider.conf.set("storages.#{rails_app_name}.url", get_connection_url(ar.configurations['production']))
    self.use_storage(rails_app_name)
    
    
end

- (Object) get_connection_url(conf)



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# File 'lib/spiderfw/model/active_record.rb', line 229

def get_connection_url(conf)
    url = case conf['adapter']
    when 'mysql'
        str = "db:mysql://#{conf['username']}:#{conf['password']}@#{conf['host']}"
        str += conf['port'] if conf['port']
        str += "/#{conf['database']}"
        str
    end
    return url
end

- (Object) prepare_to_code



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# File 'lib/spiderfw/model/active_record.rb', line 53

def prepare_to_code
    c = super
    schema = "@ar_schema = #{@ar_schema.inspect}\n"
    c[:additional_code] << schema
    return c
end

- (Object) rails_app_name



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# File 'lib/spiderfw/model/active_record.rb', line 49

def rails_app_name
    @rails_app_name
end

- (Object) rails_app_name=(val)



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# File 'lib/spiderfw/model/active_record.rb', line 45

def rails_app_name=(val)
    @rails_app_name = val
end