116 lines
3.2 KiB
Ruby
116 lines
3.2 KiB
Ruby
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class Models
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include ApplicationLib
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=begin
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get list of models
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result = Models.all
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returns
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{
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'Some::Classname1' => {
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attributes: ['id', 'name', '...']
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reflections: ...model.reflections...
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},
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'Some::Classname2' => {
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attributes: ['id', 'name', '...']
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reflections: ...model.reflections...
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},
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}
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=end
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def self.all
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all = {}
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dir = "#{Rails.root}/app/models/"
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Dir.glob( "#{dir}**/*.rb" ) do |entry|
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next if entry =~ /application_model/i
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next if entry =~ /channel\//i
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next if entry =~ /observer\//i
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next if entry =~ /store\/provider\//i
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entry.gsub!(dir, '')
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entry = entry.to_classname
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model_class = load_adapter(entry)
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next if !model_class
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next if !model_class.respond_to? :new
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model_object = model_class.new
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next if !model_object.respond_to? :attributes
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all[model_class] = {}
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all[model_class][:attributes] = model_class.attribute_names
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all[model_class][:reflections] = model_class.reflections
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#puts "rrrr #{all[model_class][:attributes]}"
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#puts model.class
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#puts " #{model.attribute_names.inspect}"
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end
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all
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end
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=begin
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get reference list of a models
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result = Models.references('User', 2)
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returns
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{
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'Some::Classname1' => {
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attributes: ['id', 'name', '...']
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reflections: ...model.reflections...
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},
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'Some::Classname2' => {
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attributes: ['id', 'name', '...']
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reflections: ...model.reflections...
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},
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}
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=end
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def self.references(object_name, object_id)
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object_model = load_adapter(object_name)
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object_model.find(object_id)
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list = all
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references = {
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model: {},
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total: 0,
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}
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# find relations via attributes
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list.each {|model_class, model_attributes|
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references[:model][model_class.to_s] = 0
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next if !model_attributes[:attributes]
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['created_by_id', 'updated_by_id'].each {|item|
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if model_attributes[:attributes].include?(item)
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Rails.logger.info "FOUND (by id) #{model_class}->#{item}!"
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references[:model][model_class.to_s] += model_class.where("#{item} = ?", object_id).count
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end
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}
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}
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# find relations via reflections
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list.each {|model_class, model_attributes|
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next if !model_attributes[:reflections]
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model_attributes[:reflections].each{|reflection_key, reflection_value|
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next if reflection_value.macro != :belongs_to
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if reflection_value.options[:class_name] == object_name
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Rails.logger.info "FOUND (by ref without class) #{model_class}->#{reflection_value.name}!"
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references[:model][model_class.to_s] += model_class.where("#{reflection_value.name}_id = ?", object_id).count
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end
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if !reflection_value.options[:class_name] && reflection_value.name == object_name.downcase.to_sym
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Rails.logger.info "FOUND (by ref with class) #{model_class}->#{reflection_value.name}!"
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references[:model][model_class.to_s] += model_class.where("#{reflection_value.name}_id = ?", object_id).count
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end
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}
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}
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references[:model].each {|k, v|
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next if v == 0
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references[:total] += v
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puts "#{k}: #{v}"
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}
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references
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end
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end
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