Class: Tmpfk::CLI

Inherits:
Thor
  • Object
show all
Defined in:
lib/tmpfk/cli.rb

Instance Method Summary collapse

Instance Method Details

#add ⇒ Object 



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# File 'lib/tmpfk/cli.rb', line 8

def add
  conn.data_sources.each do |table|
    next if conn.view_exists?(table)

    ActiveRecord::Base.table_name = table

    ActiveRecord::Base.columns.each do |column|
      fk_name = "#{options[:prefix]}#{table}_#{column.name}_fk"
      primary_key = 'id'
      next unless column.foreign_key?
      next if conn.foreign_key_exists?(table, name: fk_name)
      begin
        conn.add_foreign_key(
          table,
          column.foreign_table,
          column: column.name, primary_key: primary_key, name: fk_name
        )
        puts "ALTER TABLE #{table} ADD CONSTRAINT #{fk_name} FOREIGN KEY (#{column.name}) REFERENCES #{column.foreign_table} (#{primary_key})"
      rescue ActiveRecord::InvalidForeignKey => e
        c = Term::ANSIColor
        puts c.red(e.to_s)
      end
    end
  end
  puts 'Done.'
end

#drop ⇒ Object 



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# File 'lib/tmpfk/cli.rb', line 36

def drop
  conn.data_sources.each do |table|
    next if conn.view_exists?(table)

    ActiveRecord::Base.table_name = table

    ActiveRecord::Base.columns.each do |column|
      fk_name = "#{options[:prefix]}#{table}_#{column.name}_fk"
      next unless column.foreign_key?
      next unless conn.foreign_key_exists?(table, name: fk_name)
      begin
        conn.remove_foreign_key(
          table,
          name: fk_name
        )
        puts "ALTER TABLE #{table} DROP FOREIGN KEY #{fk_name}"
      rescue ActiveRecord::InvalidForeignKey => e
        c = Term::ANSIColor
        puts c.red(e.to_s)
      end
    end
  end
  puts 'Done.'
end