Module: DataModels

Defined in:
lib/data_models/data_models.rb

Class Method Summary collapse

Class Method Details

.build_models_yaml_file ⇒ Hash

Return all RDF information stored in yaml file.

Returns:

  • (Hash) —

    hash with all information stored in yaml file.



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# File 'lib/data_models/data_models.rb', line 60

def self.build_models_yaml_file
  self.models
end

.get_model_data(model) ⇒ Hash

Return data model.

Parameters:

  • model's (String) —

    name

Returns:

  • (Hash) —

    data model’s information.



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# File 'lib/data_models/data_models.rb', line 67

def self.get_model_data(model)
  begin 
    eval model 
  rescue 
    eval model.pluralize 
  end
end

.load_models ⇒ Array

This method reads all models that the project hash.

Returns:

  • (Array) —

    The proyect models list.



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# File 'lib/data_models/data_models.rb', line 4

def self.load_models

   models = []   #All models will be in this list.
   models_valids = [] #This list is only to models with database table associated.
   mod = nil

   #Get all models in Model's folder
   Dir["#{Rails.root}/app/models/**/*.rb"].each do |file|
     models << file.gsub(Rails.root.to_s+'/app/models/',"").gsub('.rb','').classify
   end
   
   # Here, get the correct model's name: Singular or Plural
   models.each do |model|
     begin
       mod = eval model
       mod.columns
     rescue
       begin
         mod = eval model.pluralize
         mod.columns
       rescue
         mod = nil
       end
     end
     if mod
       models_valids << mod.to_s
     end
   end
 
   models_valids
end

.model_attributes(model) ⇒ Array

This method return all model’s attributes.

Parameters:

  • model's (String) —

    name

Returns:

  • (Array) —

    model’s attribute list.



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# File 'lib/data_models/data_models.rb', line 39

def self.model_attributes(model)      
    model.columns.map{|att| att.name}.join(", ")
end

.model_relations(model) ⇒ Hash

This method return all model’s relations

Parameters:

  • model's (String) —

    name

Returns:

  • (Hash) —

    hash with all relations and relations type



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# File 'lib/data_models/data_models.rb', line 46

def self.model_relations(model)

  relations = {}
  
  #Build the hash with relation name and relation's type.	
  model.reflections.each do |relation,values|  
    relations[relation] = {"model" => values.class_name,"type" => values.macro.to_s} 
  end   	
 
  relations
end