Sitemap: Fix updated location date from latest photo

- Sorting was wrong
- Simplify requests

src/routes/sitemap.xml.js

@@ -45,20 +45,26 @@ const render = (pages, locations) => {
 
 // Get function
 export async function get (req, res, next) {
+    let locations
+
     // Define base url from request
     baseURL = `https://${req.headers.host}`
 
     // Get locations
-    const locationsReq = await fetch(`${apiEndpoints.rest}/items/locations?fields=slug,country.slug,modified_on&status=published`)
-    const locationsData = await locationsReq.json()
-    const locations = locationsData.data
+    await fetch(`${apiEndpoints.rest}/items/locations?fields=slug,country.slug,modified_on&status=published&sort=created_on`)
+        .then(res => res.json())
+        .then(res => {
+            locations = res.data
+        })
 
     // Add last modified date to each location from its last photo
     const updatedLocations = locations.map(async (location, i) => {
-        const latestPhotoReq = await fetch(`${apiEndpoints.rest}/items/photos?fields=created_on&limit=1&sort=created_on&status=published&filter[location.slug][rlike]=%${location.slug}`)
-        const latestPhotoData = await latestPhotoReq.json()
-        const latestPhoto = latestPhotoData.data[0]
-        location.updated = latestPhoto ? latestPhoto.created_on : location.modified_on
+        await fetch(`${apiEndpoints.rest}/items/photos?fields=created_on&limit=1&sort=-created_on&status=published&filter[location.slug][rlike]=%${location.slug}`)
+            .then(res => res.json())
+            .then(res => {
+                const latestPhoto = res.data[0]
+                location.updated = latestPhoto ? latestPhoto.created_on : location.modified_on
+            })
         return location
     })
     await Promise.all(updatedLocations)