Eco Accounts

* adds related eco account withdraw detail view to intervention detail view
* adds new route for removing withdraws using RemoveModalForm
* adds EcoAccountWithdraw model
* adds admin interfaces for EcoAccount and EcoAccountWithdraw
* adds message_templates.py to konova/utils for reusable messages
* splits related-documents.html and related-objects.html into separate templates for each related object type: compensations.html, documents.html, eco-account-withdraws.html and payments.html
* adds translations

compensation/models.py

@@ -7,7 +7,7 @@ Created on: 17.11.20
 """
 from django.contrib.auth.models import User
 from django.contrib.gis.db import models
-from django.core.validators import MinValueValidator
+from django.core.validators import MinValueValidator, MaxValueValidator
 from django.utils import timezone
 from django.utils.timezone import now
 
@@ -152,3 +152,40 @@ class EcoAccount(Compensation):
     """
     # Users having access on this object
     users = models.ManyToManyField(User)
+
+    def __str__(self):
+        return "{}".format(self.identifier)
+
+
+class EcoAccountWithdraw(BaseResource):
+    """
+    A withdraw object for eco accounts
+    """
+    account = models.ForeignKey(
+        EcoAccount,
+        on_delete=models.SET_NULL,
+        null=True,
+        blank=True,
+        help_text="Withdrawn from",
+        related_name="eco_withdraws",
+    )
+    amount = models.FloatField(
+        null=True,
+        blank=True,
+        help_text="Amount withdrawn (percentage)",
+        validators=[
+            MinValueValidator(limit_value=0.00),
+            MaxValueValidator(limit_value=100),
+        ]
+    )
+    intervention = models.ForeignKey(
+        Intervention,
+        on_delete=models.CASCADE,
+        null=True,
+        blank=True,
+        help_text="Withdrawn for",
+        related_name="eco_withdraws",
+    )
+
+    def __str__(self):
+        return "{} of {}".format(self.amount, self.account)