chore: Update Django server configuration and models for Adventure and Trip

backend/server/adventures/models.py

@@ -2,6 +2,13 @@ from django.db import models
 
 from django.contrib.auth import get_user_model
 from django.contrib.postgres.fields import ArrayField
+from django.forms import ValidationError
+
+ADVENTURE_TYPES = [
+    ('visited', 'Visited'),
+    ('planned', 'Planned'),
+    ('featured', 'Featured')
+]
 
 
 # Assuming you have a default user ID you want to use
@@ -14,7 +21,7 @@ class Adventure(models.Model):
     id = models.AutoField(primary_key=True)
     user_id = models.ForeignKey(
         User, on_delete=models.CASCADE, default=default_user_id)
-    type = models.CharField(max_length=100)
+    type = models.CharField(max_length=100, choices=ADVENTURE_TYPES)
     name = models.CharField(max_length=200)
     location = models.CharField(max_length=200, blank=True, null=True)
     activity_types = ArrayField(models.CharField(
@@ -24,10 +31,36 @@ class Adventure(models.Model):
     link = models.URLField(blank=True, null=True)
     image = models.ImageField(null=True, blank=True, upload_to='images/')
     date = models.DateField(blank=True, null=True)
-    trip_id = models.IntegerField(blank=True, null=True)
     is_public = models.BooleanField(default=False)
     longitude = models.DecimalField(max_digits=9, decimal_places=6, null=True, blank=True)
     latitude = models.DecimalField(max_digits=9, decimal_places=6, null=True, blank=True)
+    trip = models.ForeignKey('Trip', on_delete=models.CASCADE, blank=True, null=True)
+
+    def clean(self):
+        if self.trip:
+            if self.is_public and not self.trip.is_public:
+                raise ValidationError('Public adventures must be associated with a public trip')
+            if self.trip.is_public and not self.is_public:
+                raise ValidationError('Adventures associated with a public trip must be public')
+            if self.user_id != self.trip.user_id:
+                raise ValidationError('Adventures must be associated with trips owned by the same user')
+        elif self.is_public:
+            raise ValidationError('Public adventures must be associated with a trip')
+
+class Trip(models.Model):
+    id = models.AutoField(primary_key=True)
+    user_id = models.ForeignKey(
+        User, on_delete=models.CASCADE, default=default_user_id)
+    name = models.CharField(max_length=200)
+    type = models.CharField(max_length=100, choices=ADVENTURE_TYPES)
+    location = models.CharField(max_length=200, blank=True, null=True)
+    date = models.DateField(blank=True, null=True)
+    is_public = models.BooleanField(default=False)
+
+    def clean(self):
+            if self.is_public:
+                if self.adventures.filter(is_public=False).exists():
+                    raise ValidationError('Public trips cannot have private adventures')
 
     def __str__(self):
         return self.name