## Problem description <!--- Provide a general summary of _issue_ in the above title --> <!--- Forneça um resumo geral da _issue_ no título acima --> Some methods have names that are not representing well its responsibility. There is duplicity on functions that find the coordinator using user id. ## Expected Behavior <!--- If you are describing a _bug_, tell us what should happen. --> <!--- If you are suggesting a change/improvement, tell us how it should work or should be. --> <!--- Se você está descrevendo um _bug_, conte-nos o que deveria acontecer. --> <!--- Se você está sugerindo uma mudança/melhoria, conte-nos como deve funcionar ou como deve ser. --> Better naming and methods to avoid duplicity (don't repeat yourself)
Problem description
Some methods have names that are not representing well its responsibility.
There is duplicity on functions that find the coordinator using user id.
Expected Behavior
Better naming and methods to avoid duplicity (don't repeat yourself)