diff --git a/src/libs/routes/liquidEnrollmentRatio.js b/src/libs/routes/liquidEnrollmentRatio.js
new file mode 100644
index 0000000000000000000000000000000000000000..3d73449552c50c1dc22aa0d4e21e40a46f514ac0
--- /dev/null
+++ b/src/libs/routes/liquidEnrollmentRatio.js
@@ -0,0 +1,342 @@
+const express = require('express');
+
+const glossEnrollmentRatioApp = express.Router();
+
+const libs = `${process.cwd()}/libs`;
+
+const log = require(`${libs}/log`)(module);
+
+const squel = require('squel');
+
+const query = require(`${libs}/middlewares/query`).query;
+
+const multiQuery = require(`${libs}/middlewares/multiQuery`);
+
+const response = require(`${libs}/middlewares/response`);
+
+const ReqQueryFields = require(`${libs}/middlewares/reqQueryFields`);
+
+const id2str = require(`${libs}/middlewares/id2str`);
+
+const addMissing = require(`${libs}/middlewares/addMissing`);
+
+const config = require(`${libs}/config`);
+
+const download = require(`${libs}/middlewares/downloadDatabase`);
+
+const passport = require('passport');
+
+const cache = require('apicache').options({ debug: config.debug, statusCodes: {include: [200]} }).middleware;
+
+let rqf = new ReqQueryFields();
+
+glossEnrollmentRatioApp.use(cache('15 day'));
+
+// Complete range of the enrollments dataset.
+// Returns a tuple of start and ending years of the complete enrollments dataset.
+glossEnrollmentRatioApp.get('/year_range', (req, res, next) => {
+ req.sql.from('pnad')
+ .field('DISTINCT pnad.ano_censo', 'year');
+ next();
+}, query, (req, res, next) => {
+ req.oldResult = req.result;
+
+ req.sql = squel.select();
+
+ req.sql.from('matricula')
+ .field('DISTINCT matricula.ano_censo', 'year');
+ next();
+}, query, (req, res, next) => {
+ let distinct_years = [];
+ let new_result = [];
+ for (let i = 0; i < req.oldResult.length; i++) {
+ for (let j = 0; j < req.result.length; j++) {
+ if(req.oldResult[i].year == req.result[j].year) {
+ distinct_years.push(req.oldResult[i]);
+ }
+ }
+ }
+ new_result.push({start_year: distinct_years[distinct_years.length -1].year, end_year: distinct_years[0].year});
+ req.result = new_result;
+ next();
+}, response('range'));
+
+glossEnrollmentRatioApp.get('/years', (req, res, next) => {
+ req.sql.from('pnad')
+ .field('DISTINCT pnad.ano_censo', 'year');
+ next();
+}, query, (req, res, next) => {
+ req.oldResult = req.result;
+
+ req.sql = squel.select();
+
+ req.sql.from('matricula')
+ .field('DISTINCT matricula.ano_censo', 'year');
+ next();
+}, query, (req, res, next) => {
+ let new_result = []
+ for (let i = 0; i < req.oldResult.length; i++) {
+ for (let j = 0; j < req.result.length; j++) {
+ if(req.oldResult[i].year == req.result[j].year) {
+ new_result.push(req.oldResult[i]);
+ }
+ }
+ }
+ req.result = new_result;
+ next();
+}, response('years'));
+
+glossEnrollmentRatioApp.get('/source', (req, res, next) => {
+ req.sql.from('fonte')
+ .field('fonte', 'source')
+ .where('tabela = \'pnad\'');
+ next();
+}, query, response('source'));
+
+glossEnrollmentRatioApp.get('/education_level_short', (req, res, next) => {
+ req.result = [
+ {id: null, name: 'Não classificada'},
+ {id: 1, name: 'Creche'},
+ {id: 2, name: 'Pré-Escola'},
+ {id: 4, name: 'Ensino Fundamental - anos iniciais'},
+ {id: 5, name: 'Ensino Fundamental - anos finais'},
+ {id: 6, name: 'Ensino Médio'}
+ ];
+ next();
+}, response('education_level_short'));
+
+glossEnrollmentRatioApp.get('/gender', (req, res, next) => {
+ req.result = [
+ {id: 1, name: 'Masculino'},
+ {id: 2, name: 'Feminino'}
+ ];
+ next();
+}, response('gender'));
+
+glossEnrollmentRatioApp.get('/ethnic_group', (req, res, next) => {
+ req.result = [
+ {id: 0, name: 'Sem declaração'},
+ {id: 1, name: 'Branca'},
+ {id: 2, name: 'Preta'},
+ {id: 3, name: 'Parda'},
+ {id: 4, name: 'Amarela'},
+ {id: 5, name: 'IndÃgena'}
+ ];
+ next();
+}, response('ethnic_group'));
+
+glossEnrollmentRatioApp.get('/location', (req, res, next) => {
+ req.result = [
+ {id: 1, name: 'Urbana'},
+ {id: 2, name: 'Rural'}
+ ];
+ next();
+}, response('location'));
+
+rqf.addField({
+ name: 'filter',
+ field: false,
+ where: true
+}).addField({
+ name: 'dims',
+ field: true,
+ where: false
+}).addValue({
+ name: 'region',
+ table: 'regiao',
+ tableField: 'nome',
+ resultField: 'region_name',
+ where: {
+ relation: '=',
+ type: 'integer',
+ field: 'id'
+ },
+ join: {
+ primary: 'id',
+ foreign: 'regiao_id',
+ foreignTable: '@'
+ }
+}).addValue({
+ name: 'state',
+ table: 'estado',
+ tableField: 'nome',
+ resultField: 'state_name',
+ where: {
+ relation: '=',
+ type: 'integer',
+ field: 'id'
+ },
+ join: {
+ primary: 'id',
+ foreign: 'estado_id',
+ foreignTable: '@'
+ }
+}).addValue({
+ name: 'ethnic_group',
+ table: '@',
+ tableField: 'cor_raca_id',
+ resultField: 'ethnic_group_id',
+ where: {
+ relation: '=',
+ type: 'integer',
+ field: 'cor_raca'
+ }
+}).addValue({
+ name: 'min_year',
+ table: '@',
+ tableField: 'ano_censo',
+ resultField: 'year',
+ where: {
+ relation: '>=',
+ type: 'integer',
+ table: '@',
+ field: 'ano_censo'
+ }
+}).addValue({
+ name: 'max_year',
+ table: '@',
+ tableField: 'ano_censo',
+ resultField: 'year',
+ where: {
+ relation: '<=',
+ type: 'integer',
+ table: '@',
+ field: 'ano_censo'
+ }
+}).addValue({
+ name: 'gender',
+ table: 'pnad',
+ tableField: 'sexo',
+ resultField: 'gender_pnad_id',
+ where: {
+ relation: '=',
+ type: 'integer',
+ field: 'sexo'
+ }
+}).addValue({
+ name: 'location',
+ table: '@',
+ tableField: 'localizacao_id',
+ resultField: 'location_id',
+ where: {
+ relation: '=',
+ type: 'integer',
+ field: 'localizacao_id'
+ }
+}).addValue({
+ name: 'education_level_short',
+ table: 'matricula',
+ tableField: 'etapa_resumida',
+ resultField: 'education_level_short_id',
+ where: {
+ relation: '=',
+ type: 'integer',
+ field: 'etapa_resumida'
+ }
+});
+
+glossEnrollmentRatioApp.get('/', rqf.parse(),(req, res, next) => {
+ req.numerator = {};
+ req.denominator = {};
+ let glossEnrollmentRatioApp = {};
+
+ log.debug(req.sql.toParam());
+ req.sql.from('matricula')
+ .field('count(*)', 'total')
+ .field('matricula.ano_censo', 'year')
+ .group('matricula.ano_censo')
+ .order('matricula.ano_censo')
+
+ function ConvertMatricula(result) {
+ if (result == 1) {
+ return 'matricula.faixa_etaria_31_03 = 1'
+ } else if (result == 2) {
+ return 'matricula.faixa_etaria_31_03 = 2'
+ } else if (result == 4) {
+ return 'matricula.faixa_etaria_31_03 = 3'
+ } else if (result == 5) {
+ return 'matricula.faixa_etaria_31_03 = 4'
+ } else if (result == 6) {
+ return 'matricula.faixa_etaria_31_03 = 5'
+ }
+ }
+ if ("education_level_short" in req.filter) {
+ if (Array.isArray(req.filter.education_level_short))
+ var string_query_enrollment = '';
+ for(let i = 0; i < req.filter.education_level_short.length - 1; i++) {
+ string_query_enrollment = string_query_enrollment + ConvertMatricula(req.filter.education_level_short[i]) + ' OR ';
+ }
+ string_query_enrollment = string_query_enrollment + ConvertMatricula(req.filter.education_level_short[req.filter.education_level_short.length - 1]);
+ req.sql.where(string_query_enrollment);
+ } else {
+ res.status(400);
+ next({
+ status: 400,
+ message: 'Wrong/No filter specified'
+ });
+ }
+
+ next();
+}, rqf.build(), query, (req, res, next) => {
+ req.numerator = req.result;
+ req.resetSql();
+ log.debug(req.sql.toParam());
+ req.sql.field('count(*)', 'total')
+ .field('pnad.ano_censo','year')
+ .from('pnad')
+ .group('pnad.ano_censo')
+ .order('pnad.ano_censo')
+
+ function convertPnad(result) {
+ if (result == 1) {
+ return 'pnad.idade_31_03 = 1'
+ } else if (result == 2) {
+ return 'pnad.idade_31_03 = 2'
+ } else if (result == 4) {
+ return 'pnad.idade_31_03= 3'
+ } else if (result == 5) {
+ return 'pnad.idade_31_03 = 4'
+ } else if (result == 6) {
+ return 'pnad.idade_31_03 = 5'
+ }
+ }
+
+ //remove education_level_short how filter and add faixa_etaria_31_03 in filter
+ if ("education_level_short" in req.filter) {
+ if (Array.isArray(req.filter.education_level_short))
+ var string_query = '';
+ for(let i = 0; i < req.filter.education_level_short.length - 1; i++) {
+ string_query = string_query + convertPnad(req.filter.education_level_short[i]) + ' OR ';
+ }
+ string_query = string_query + convertPnad(req.filter.education_level_short[req.filter.education_level_short.length - 1]);
+ req.sql.where(string_query);
+ } else {
+ req.sql.where(convertPnad(req.filter.education_level_short));
+ }
+
+ next();
+}, rqf.parse(), (req, res, next) => {
+ if ("education_level_short" in req.filter) {
+ delete req.filter.education_level_short;
+ }
+ next();
+}, rqf.build(), query, (req, res, next) => {
+ req.denominator = req.result;
+ log.debug(req.numerator);
+ log.debug(req.denominator);
+
+ //division to generate req.result final
+ req.result = []
+ for (let i = 0; i < req.numerator.length; i++) {
+ for (let j = 0; j < req.denominator.length; j++) {
+ if (req.numerator[i].year == req.denominator[j].year) {
+ req.numerator[i].total = req.numerator[i].total/req.denominator[j].total;
+ req.result.push(req.numerator[i]);
+ }
+ }
+ }
+
+ next();
+}, response('glossEnrollmentRatio'));
+
+module.exports = glossEnrollmentRatioApp;