create route for population

src/libs/routes/api.js

@@ -34,6 +34,8 @@ const idhmr = require('./idhmr');
 
 const pibpercapita = require('./pibpercapita')
 
+const population = require('./population')
+
 api.get('/', (req, res) => {
     res.json({ msg: 'SimCAQ API is running' });
 });
@@ -52,5 +54,6 @@ api.use('/classroom', cache('15 day'), classroom);
 api.use('/teacher', cache('1 day'), teacher);
 api.use('/idhmr', cache('1 day'), idhmr);
 api.use('/pibpercapita', cache('1 day'), pibpercapita);
+api.use('/population', cache('1 day'), population);
 
 module.exports = api;

src/libs/routes/population.js

+const express = require('express');
+
+const populationApp = express.Router();
+
+const libs = `${process.cwd()}/libs`;
+
+const log = require(`${libs}/log`)(module);
+
+const squel = require('squel');
+
+const query = require(`${libs}/middlewares/query`);
+
+const response = require(`${libs}/middlewares/response`);
+
+const ReqQueryFields = require(`${libs}/middlewares/reqQueryFields`);
+
+const id2str = require(`${libs}/middlewares/id2str`);
+
+let rqf = new ReqQueryFields();
+
+populationApp.get('/year_range', (req, res, next) => {
+    req.sql.from('ibge_populacao')
+    .field('MIN(ibge_populacao.ano_censo)', 'start_year')
+    .field('MAX(ibge_populacao.ano_censo)', 'end_year');
+    next();
+}, query, response('range'));
+
+rqf.addField({
+    name: 'filter',
+    field: false,
+    where: true
+}).addField({
+    name: 'dims',
+    field: true,
+    where: false
+}).addValue({
+    name: 'city',
+    table: 'municipio',
+    tableField: 'nome',
+    resultField: 'city_name',
+    where: {
+        relation: '=',
+        type: 'integer',
+        field: 'municipio_id',
+        table: 'ibge_populacao'
+    },
+    join: {
+        primary: 'id',
+        foreign: 'municipio_id',
+        foreignTable: 'ibge_populacao'
+    }
+}).addValue({
+    name: 'state',
+    table: 'estado',
+    tableField: 'nome',
+    resultField: 'state_name',
+    where: {
+        relation: '=',
+        type: 'integer',
+        field: 'estado_id',
+        table: 'ibge_populacao'
+    },
+    join: {
+        primary: 'id',
+        foreign: 'estado_id',
+        foreignTable: 'ibge_populacao'
+    }
+}).addValue({
+    name: 'min_year',
+    table: 'ibge_populacao',
+    tableField: 'ano_censo',
+    resultField: 'year',
+    where: {
+        relation: '>=',
+        type: 'integer',
+        field: 'ano_censo'
+    }
+}).addValue({
+    name: 'max_year',
+    table: 'ibge_populacao',
+    tableField: 'ano_censo',
+    resultField: 'year',
+    where: {
+        relation: '<=',
+        type: 'integer',
+        field: 'ano_censo'
+    }
+});
+
+populationApp.get('/', rqf.parse(), rqf.build(), (req, res, next) => {
+  log.debug(req.sql.toParam());
+   req.sql.field('(ibge_populacao.populacao)', 'populacao')
+   .field('ibge_populacao.municipio_id', 'municipio_id')
+   .field('ibge_populacao.ano_censo', 'year')
+   .from('ibge_populacao')
+   next();
+}, query, (req, res, next) => {
+    let somapib = 0;
+    for (var i = 0; i < req.result.length; i++) {
+        req.result[i];
+    }
+    next()
+}, id2str.transform(true), response('population'));
+
+module.exports = populationApp;