Move utility functions to separate package

borgweb/borg/models/repo.py

@@ -1,5 +1,7 @@
 from django.db import models
-from datetime import datetime
+from datetime import datetime, timedelta
+from ..utility.time import seconds_to_string
+from ..utility.data import bytes_to_string
 
 
 class Repo(models.Model):
@@ -11,43 +13,24 @@ class Repo(models.Model):
         db_table = 'repo'
 
     def last_backup(self):
-        latest = self.archives.order_by('-start')[0].start.replace(tzinfo=None)
+        latest = self.latest_archive().start.replace(tzinfo=None)
         seconds_since = int((datetime.utcnow() - latest).total_seconds())
-        return f"{self.seconds_to_string(seconds_since)} ago"
+        return f"{seconds_to_string(seconds_since, False, True)} ago"
 
-    @staticmethod
-    def seconds_to_string(seconds: int, short=False, truncate=False):
-        seconds = int(seconds)
-        increments = [('year', 'yr', 31557600),
-                      ('week', 'wk', 604800),
-                      ('day', 'day', 86400),
-                      ('hour', 'hr', 3600),
-                      ('minute', 'min', 60),
-                      ('second', 'sec', 1)]
+    def latest_archive(self):
+        return self.archives.order_by('-start')[0]
 
-        if seconds == 0:
-            if short:
-                return f"0 {increments[-1][1]}s"
+    def size(self):
+        cache = self.latest_archive().cache
+        size = bytes_to_string(cache.unique_size)
+        csize = bytes_to_string(cache.unique_csize)
+        return f"{size}/{csize}"
+
+    def recent_errors(self):
+        days = 7
+        days_ago = (datetime.utcnow() - timedelta(days=7))
+        errors = self.label.errors.all().filter(time__gt=days_ago)
+        if len(errors) == 1:
+            return f"1 error since {days} days ago"
         else:
-                return f"0 {increments[-1][0]}s"
-
-        time_string = ""
-
-        remainder = seconds
-        for st, sst, s in increments:
-            if remainder == 0:
-                break
-            if short:
-                st = sst
-            if remainder < s or remainder == 0:
-                continue
-            else:
-                exact, remainder = divmod(remainder, s)
-                if exact > 1:
-                    time_string += f"{exact} {st}s, "
-                else:
-                    time_string += f"{exact} {st}, "
-                if truncate:
-                    break
-        return time_string.strip().strip(',')[::-1].replace(' ,', ' dna ', 1)[::-1]  # lmao
-
+            return f"{len(errors)} errors since {days} days ago"

borgweb/borg/utility/data.py

@@ -0,0 +1,11 @@
+from math import floor, log
+
+
+def bytes_to_string(bytes: int):
+    suffixes = ("B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB", "HB")
+    if bytes == 0:
+        return f"0{suffixes[0]}"
+    else:
+        index = int(floor(log(bytes, 1024)))
+        s = round(bytes / pow(1024, index), 2)
+        return f"{s}{suffixes[index]}"

borgweb/borg/utility/time.py

@@ -0,0 +1,34 @@
+def seconds_to_string(seconds: int, short=False, truncate=False):
+    seconds = int(seconds)
+    increments = [('year', 'yr', 31557600),
+                  ('week', 'wk', 604800),
+                  ('day', 'day', 86400),
+                  ('hour', 'hr', 3600),
+                  ('minute', 'min', 60),
+                  ('second', 'sec', 1)]
+
+    if seconds == 0:
+        if short:
+            return f"0 {increments[-1][1]}s"
+        else:
+            return f"0 {increments[-1][0]}s"
+
+    time_string = ""
+
+    remainder = seconds
+    for st, sst, s in increments:
+        if remainder == 0:
+            break
+        if short:
+            st = sst
+        if remainder < s or remainder == 0:
+            continue
+        else:
+            exact, remainder = divmod(remainder, s)
+            if exact > 1:
+                time_string += f"{exact} {st}s, "
+            else:
+                time_string += f"{exact} {st}, "
+            if truncate:
+                break
+    return time_string.strip().strip(',')[::-1].replace(' ,', ' dna ', 1)[::-1]