Move models to separate files

- Implement last backup method

borgweb/borg/models.py

@@ -1,55 +0,0 @@
-from django.db import models
-
-
-class Repo(models.Model):
-    fingerprint = models.TextField()
-    location = models.TextField()
-    last_modified = models.DateTimeField()
-
-    class Meta:
-        db_table = 'repo'
-
-
-class Archive(models.Model):
-    fingerprint = models.TextField()
-    repo_id = models.ForeignKey(Repo, on_delete=models.CASCADE)
-    name = models.TextField()
-    start = models.DateTimeField()
-    end = models.DateTimeField()
-    file_count = models.IntegerField()
-    original_size = models.IntegerField()
-    compressed_size = models.IntegerField()
-    deduplicated_size = models.IntegerField()
-
-    class Meta:
-        db_table = 'archive'
-
-
-class Cache(models.Model):
-    archive_id = models.ForeignKey(Archive, on_delete=models.CASCADE)
-    total_chunks = models.IntegerField()
-    total_csize = models.IntegerField()
-    total_size = models.IntegerField()
-    total_unique_chunks = models.IntegerField()
-    unique_csize = models.IntegerField()
-    unique_size = models.IntegerField()
-
-    class Meta:
-        db_table = 'cache'
-
-
-class Label(models.Model):
-    repo_id = models.ForeignKey(Repo, on_delete=models.CASCADE)
-    label = models.TextField()
-
-    class Meta:
-        db_table = 'label'
-
-
-class Error(models.Model):
-    label_id = models.ForeignKey(Label, on_delete=models.CASCADE)
-    error = models.TextField()
-    time = models.DateTimeField()
-
-    class Meta:
-        db_table = 'error'

borgweb/borg/models/__init__.py

@@ -0,0 +1,5 @@
+from .repo import Repo
+from .archive import Archive
+from .cache import Cache
+from .label import Label
+from .error import Error

borgweb/borg/models/archive.py

@@ -0,0 +1,17 @@
+from django.db import models
+from . import Repo
+
+
+class Archive(models.Model):
+    fingerprint = models.TextField()
+    repo = models.ForeignKey(Repo, on_delete=models.CASCADE, related_name='archives')
+    name = models.TextField()
+    start = models.DateTimeField()
+    end = models.DateTimeField()
+    file_count = models.IntegerField()
+    original_size = models.IntegerField()
+    compressed_size = models.IntegerField()
+    deduplicated_size = models.IntegerField()
+
+    class Meta:
+        db_table = 'archive'

borgweb/borg/models/cache.py

@@ -0,0 +1,15 @@
+from django.db import models
+from . import Archive
+
+
+class Cache(models.Model):
+    archive = models.OneToOneField(Archive, on_delete=models.CASCADE)
+    total_chunks = models.IntegerField()
+    total_csize = models.IntegerField()
+    total_size = models.IntegerField()
+    total_unique_chunks = models.IntegerField()
+    unique_csize = models.IntegerField()
+    unique_size = models.IntegerField()
+
+    class Meta:
+        db_table = 'cache'

borgweb/borg/models/error.py

@@ -0,0 +1,11 @@
+from django.db import models
+from . import Label
+
+
+class Error(models.Model):
+    label_id = models.ForeignKey(Label, on_delete=models.CASCADE)
+    error = models.TextField()
+    time = models.DateTimeField()
+
+    class Meta:
+        db_table = 'error'

borgweb/borg/models/label.py

@@ -0,0 +1,13 @@
+from django.db import models
+from . import Repo
+
+
+class Label(models.Model):
+    repo = models.OneToOneField(Repo, on_delete=models.CASCADE)
+    label = models.TextField()
+
+    class Meta:
+        db_table = 'label'
+
+    def __str__(self):
+        return self.label

borgweb/borg/models/repo.py

@@ -0,0 +1,53 @@
+from django.db import models
+from datetime import datetime
+
+
+class Repo(models.Model):
+    fingerprint = models.TextField()
+    location = models.TextField()
+    last_modified = models.DateTimeField()
+
+    class Meta:
+        db_table = 'repo'
+
+    def last_backup(self):
+        latest = self.archives.order_by('-start')[0].start.replace(tzinfo=None)
+        seconds_since = int((datetime.utcnow() - latest).total_seconds())
+        return f"{self.seconds_to_string(seconds_since)} 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)]
+
+        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]  # lmao
+