select ad type on welcome page; update css

app/controllers/welcome.js

@@ -1,7 +1,42 @@
+const { createSearchRequest } = require("../helpers/db/searchRequest");
+
+const { AD_TYPE, AD_CATEGORY } = require("../common/enums");
+
 const getWelcome = (req, res) => {
-  res.render("welcome", { nextStep: "/vrstanekretnine", title: false });
+  res.render("welcome", {
+    title: false,
+    AD_TYPE
+  });
+};
+
+const postWelcome = async (req, res) => {
+  const adType = parseInt(req.body.adType);
+
+  const adTypeStringIds = {
+    [AD_TYPE.AD_TYPE_SALE.id]: AD_TYPE.AD_TYPE_SALE.stringId,
+    [AD_TYPE.AD_TYPE_RENT.id]: AD_TYPE.AD_TYPE_RENT.stringId
+  };
+
+  const adTypeStringId =
+    adTypeStringIds[adType] || AD_TYPE.AD_TYPE_SALE.stringId;
+
+  let nextStepUrl = "";
+  try {
+    const newSearchRequest = await createSearchRequest({
+      adType: adTypeStringId,
+      realEstateType: AD_CATEGORY.FLAT.id
+    });
+
+    nextStepUrl = `/vrstanekretnine/${newSearchRequest.id}`;
+  } catch (error) {
+    console.log(error);
+    nextStepUrl = `/`;
+  }
+
+  res.redirect(nextStepUrl);
 };
 
 module.exports = {
-  getWelcome
+  getWelcome,
+  postWelcome
 };