Module: MigrationHistory::QueryMethods::ClassMethods

Defined in:
lib/migration_history/query.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#migration_file_dir ⇒ Object

Returns the value of attribute migration_file_dir.



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# File 'lib/migration_history/query.rb', line 10

def migration_file_dir
  @migration_file_dir
end

Instance Method Details

#all ⇒ Object 



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# File 'lib/migration_history/query.rb', line 33

def all
  ResultSet.new(tracker.migration_info)
end

#filter(table_name, column_name = nil, action_name = nil) ⇒ Object

Raises:



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# File 'lib/migration_history/query.rb', line 12

def filter(table_name, column_name = nil, action_name = nil)
  table_name = table_name.to_sym
  column_name = column_name.to_sym if column_name
  action_name = action_name.to_sym if action_name
  raise InvalidError.new("Table name is required") unless table_name

  found_migration_info = {}
  tracker.migration_info.values.each do |v|
    if v[:actions].to_a.any? { |action|
        action.dig(:details, :table_name) == table_name &&
          (column_name.nil? || action.dig(:details, :column_name) == column_name) &&
          (action_name.nil? || action[:action] == action_name)
      }

      found_migration_info[v[:class_name]] = v
    end
  end

  ResultSet.new(found_migration_info)
end

#reload! ⇒ Object 



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# File 'lib/migration_history/query.rb', line 41

def reload!
  @tracker = nil
  tracker
end

#tracker ⇒ Object 



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# File 'lib/migration_history/query.rb', line 37

def tracker
  @tracker ||= Tracker.new(migration_file_dir).tap(&:setup!)
end