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sails-advanced-filter

v0.2.3

Published

Advanced filter for Sails.js

Readme

sails-advanced-filter

This module uses waterline-sequel criteriaProcessor.js. Este módulo utiliza o criteriaProcessor.js do waterline-sequel.

Módulo permite filtrar registros por valores de colunas de tabelas ligadas por relacionamento.

No exemplo abaixo, o req.query contém uma criteria que tenta filtrar pelo nome do pet, o qual é um relacionamento da tabela User:

const AdvancedFilter = require('sails-advanced-filter');

/* req.query:
{
  'firstName': { contains: 'J' },
  'pet.name' : { contains: 'filtro por nome do pet' }
}
*/

return AdvancedFilter
.findQueryIds(req)
.then((ids)=> {
  /* Se o req.query tem consultas por colunas de tabelas de relacionamento, retorna os ids dos registros
  filtrados, caso contrário apenas retorna o valor req.query sem fazer a consulta.*/
  
  User
  .find(ids)
  .then((users)=> {
    // Registros filtrados
  });
});

Módulo também permite processar a criteria CONCAT, exemplo:

/* req.query:
{
  'concat': { 
    fields: ['firstName', 'lastName'] ,
    separator: ' ',
    contains: 'J' // funciona tambem com: startWith, endWith, equal
   }
}
*/

return AdvancedFilter
.findQueryIds(req)
...

Neste exemplo o filtro será aplicado na concatenação do firstName com o lastName;