Add django command to delete unused static files

apiserver/apiserver/api/management/commands/delete_old_static.py

@@ -0,0 +1,50 @@
+from django.core.management.base import BaseCommand, CommandError
+from django.utils.timezone import now
+
+from apiserver import settings
+from apiserver.api import models, utils, utils_stats
+
+import time
+import os
+
+if settings.DEBUG:
+    STATIC_FOLDER = './data/static/'
+else:
+    STATIC_FOLDER = '/opt/spaceport/apiserver/data/static/'
+
+class Command(BaseCommand):
+    help = 'Delete unused static assets'
+
+    def delete_old_static(self):
+        members = models.Member.objects
+
+        good_files = []
+        for static_field in ['photo_large', 'photo_medium', 'photo_small', 'member_forms', 'card_photo']:
+            good_files.extend(members.values_list(static_field, flat=True))
+
+        count = 0
+        for f in os.listdir(STATIC_FOLDER):
+            if len(f) != 40:
+                self.stdout.write('Skipping: ' + f)
+                continue
+
+            if f[-3:] not in ['jpg', 'pdf', 'png']:
+                self.stdout.write('Skipping: ' + f)
+                continue
+
+            if f not in good_files:
+                os.remove(STATIC_FOLDER + f)
+                count += 1
+
+        return count
+
+    def handle(self, *args, **options):
+        self.stdout.write('{} - Deleting unused static files'.format(str(now())))
+        start = time.time()
+
+        count = self.delete_old_static()
+        self.stdout.write('Deleted {} files'.format(count))
+
+        self.stdout.write('Completed deletion in {} s'.format(
+            str(time.time() - start)[:4]
+        ))