Avoid downloading database again if not needed

docker-compose.yml

@@ -18,12 +18,21 @@ services:
     entrypoint: >
       sh -c "
       apt update && apt install curl unzip mysql-client wget -y &&
+      result=$(mysql -h mysql -sN -u root -e 'use wca_development; select datediff(now(), max(results_posted_at)) from Competitions;'  || echo 999) &&
+      echo 'Days since last update: ' $result &&
+      if [ -n \"$result\" ] && [ $result -lt 7 ]; then
+        echo 'Database is already up to date, skipping restoration.'
+        exit 0
+      else
+        echo 'Database is outdated, restoring...'
+      fi &&
       echo 'Downloading WCA database dump, this may take a while...' &&
       wget -q https://www.worldcubeassociation.org/wst/wca-developer-database-dump.zip &&
+      rm -rf wca-developer-database-dump.sql &&
       unzip wca-developer-database-dump.zip &&
       echo 'Restoring WCA database. This also may take a while...' &&
       mysql -h mysql -u root -e 'drop database if exists wca_development; create database wca_development; use wca_development; source wca-developer-database-dump.sql;' &&
-      echo 'Restoration complete!'"
+      echo 'Restoration complete!'
       "
     volumes:
       - mysql-data:/var/lib/mysql