add model Stamp and solve the greece issue. add german and greek stamps

coinmanager/coinc/admin.py

@@ -20,9 +20,10 @@
 
 from django.contrib import admin
 
-from .models import User, Coin, Country
+from .models import User, Coin, Country, Stamp
 
 
-#admin.site.register(User)
+admin.site.register(User)
-#admin.site.register(Coin)
+admin.site.register(Coin)
 admin.site.register(Country)
+admin.site.register(Stamp)

coinmanager/coinc/models.py

@@ -47,12 +47,30 @@ class Country(Model):
 
     euro_member_since      = PositiveSmallIntegerField('Währungsmitglied seit', default=year_now)
 
+    stamps          = ForeignKey('Stamp', on_delete=CASCADE, null=True, blank=True)
+
 
     def __str__(self):
         return f"{self.name} - {self.name_iso}, Mitglied seit {self.euro_member_since}"
 
 
 
+class Stamp(Model):
+    name_short      = CharField('Prägung', max_length=10)
+
+    name            = CharField('Name', max_length=50)
+
+    years           = TextField('Im Einsatz in den Jahren ("" entspricht allen Jahren)', default='', blank=True)
+
+    comment         = TextField('Kommentar', default='', blank=True)
+
+
+    def __str__(self):
+        return f"{self.name_short} - {self.name} {self.comment}"
+
+
+
+
 class Coin(Model):
     value           = PositiveSmallIntegerField('Wert', default=100)
 
@@ -60,7 +78,7 @@ class Coin(Model):
 
     country         = ForeignKey('Country', on_delete=CASCADE)
 
-    stamp           = CharField('Prägerei', max_length=1, default='')
+    stamp           = ForeignKey('Stamp', on_delete=CASCADE, null=True, blank=True)
 
     name            = TextField('Name', default='', blank=True)