EcoAccount index

* renames eco_withdraws to withdraws
* adds EcoAccountTableFilter
* changes percentage withdraw to surface withdraw --> renames amount to surface
* updates EcoAccountTable
  * adds column for rendering rest of available account using a progress bar
* adds progressbar.html to konova/custom_widgets
* adds/updates translations

compensation/models.py

@@ -175,6 +175,16 @@ class EcoAccount(AbstractCompensation):
         help_text="Users having access (shared with)"
     )
 
+    # Refers to "verzeichnen"
+    recorded = models.OneToOneField(
+        UserActionLogEntry,
+        on_delete=models.SET_NULL,
+        null=True,
+        blank=True,
+        help_text="Holds data on user and timestamp of this action",
+        related_name="+"
+    )
+
     def __str__(self):
         return "{}".format(self.identifier)
 
@@ -189,15 +199,14 @@ class EcoAccountWithdraw(BaseResource):
         null=True,
         blank=True,
         help_text="Withdrawn from",
-        related_name="eco_withdraws",
+        related_name="withdraws",
     )
-    amount = models.FloatField(
+    surface = models.FloatField(
         null=True,
         blank=True,
-        help_text="Amount withdrawn (percentage)",
+        help_text="Amount withdrawn (m²)",
         validators=[
             MinValueValidator(limit_value=0.00),
-            MaxValueValidator(limit_value=100),
         ]
     )
     intervention = models.ForeignKey(
@@ -206,8 +215,8 @@ class EcoAccountWithdraw(BaseResource):
         null=True,
         blank=True,
         help_text="Withdrawn for",
-        related_name="eco_withdraws",
+        related_name="withdraws",
     )
 
     def __str__(self):
-        return "{} of {}".format(self.amount, self.account)
+        return "{} of {}".format(self.surface, self.account)