#158 is_pik added

* adds model and form mixin for PIK
* integrates mixins for compensation, ema and ecoaccount
* adds migration files
* extends API
* extends API test data
* adds is_xy fields to compensation, ema and ecoaccount reports
* adds is_pik information to detail views
* adds/updates translations

compensation/models/compensation.py

@@ -257,7 +257,22 @@ class CoherenceMixin(models.Model):
         abstract = True
 
 
-class Compensation(AbstractCompensation, CEFMixin, CoherenceMixin):
+class PikMixin(models.Model):
+    """ Provides PIK flag as Mixin
+
+    """
+    is_pik = models.BooleanField(
+        blank=True,
+        null=True,
+        default=False,
+        help_text="Flag if compensation is a 'Produktonsintegrierte Kompensation'"
+    )
+
+    class Meta:
+        abstract = True
+
+
+class Compensation(AbstractCompensation, CEFMixin, CoherenceMixin, PikMixin):
     """
     Regular compensation, linked to an intervention
     """

compensation/models/eco_account.py

@@ -17,14 +17,13 @@ from django.db.models import Sum, QuerySet
 from django.utils.translation import gettext_lazy as _
 
 from compensation.managers import EcoAccountManager, EcoAccountDeductionManager
-from compensation.models.compensation import AbstractCompensation
+from compensation.models.compensation import AbstractCompensation, PikMixin
 from compensation.utils.quality import EcoAccountQualityChecker
 from konova.models import ShareableObjectMixin, RecordableObjectMixin, AbstractDocument, BaseResource, \
     generate_document_file_upload_path
-from konova.settings import DEFAULT_SRID_RLP, LANIS_LINK_TEMPLATE
 
 
-class EcoAccount(AbstractCompensation, ShareableObjectMixin, RecordableObjectMixin):
+class EcoAccount(AbstractCompensation, ShareableObjectMixin, RecordableObjectMixin, PikMixin):
     """
     An eco account is a kind of 'prepaid' compensation. It can be compared to an account that already has been filled
     with some kind of currency. From this account one is able to deduct currency for current projects.