add convert funcs to population and pib per capita filters

src/libs/convert/citySize.js

+module.exports = function citySize(id) {
+    switch (id) {
+        case 1:
+        return 'até 5000';
+        case 2:
+        return '5001 - 10000';
+        case 3:
+        return '10001 - 20000';
+        case 4:
+        return '20001 - 50000';
+        case 5:
+        return '50001 - 100000';
+        case 6:
+        return '100001 - 500000';
+        case 7:
+        return 'mais que 500000';
+        default:
+        return 'Não classificado';
+    }
+};

src/libs/convert/incomeLevel.js

+module.exports = function citySize(id) {
+    switch (id) {
+        case 1:
+        return '1º quintil – 20% menores';
+        case 2:
+        return '2º quintil';
+        case 3:
+        return '3º quintil';
+        case 4:
+        return '4º quintil';
+        case 5:
+        return '5º quintil – 20% maiores';
+        default:
+        return 'Não classificado';
+    }
+};

src/libs/middlewares/id2str.js

@@ -12,6 +12,8 @@ const educationLevel = require(`${libs}/convert/educationLevel`);
 const educationLevelMod = require(`${libs}/convert/educationLevelMod`);
 const educationLevelShort = require(`${libs}/convert/educationLevelShort`);
 const educationType = require(`${libs}/convert/educationType`);
+const citySize = require(`${libs}/convert/citySize`);
+const incomeLevel = require(`${libs}/convert/incomeLevel`);
 
 const ids = {
     gender_id: gender,
@@ -56,7 +58,9 @@ const ids = {
     library_id: booleanVariable,
     reading_room_id: booleanVariable,
     water_id: booleanVariable,
-    education_type_id: educationType
+    education_type_id: educationType,
+    income_level_id: incomeLevel,
+    city_size_id: citySize
 };
 
 function transform(removeId=false) {