move things into different files

fedireads/models/activity.py

@@ -0,0 +1,66 @@
+''' models for storing different kinds of Activities '''
+from django.contrib.postgres.fields import JSONField
+from django.core.validators import MaxValueValidator, MinValueValidator
+from django.db import models
+from model_utils.managers import InheritanceManager
+
+
+class Activity(models.Model):
+    ''' basic fields for storing activities '''
+    uuid = models.CharField(max_length=255, unique=True)
+    user = models.ForeignKey('User', on_delete=models.PROTECT)
+    content = JSONField(max_length=5000)
+    # the activitypub activity type (Create, Add, Follow, ...)
+    activity_type = models.CharField(max_length=255)
+    # custom types internal to fedireads (Review, Shelve, ...)
+    fedireads_type = models.CharField(max_length=255, blank=True, null=True)
+    created_date = models.DateTimeField(auto_now_add=True)
+    updated_date = models.DateTimeField(auto_now=True)
+    objects = InheritanceManager()
+
+
+class ShelveActivity(Activity):
+    ''' someone put a book on a shelf '''
+    book = models.ForeignKey('Book', on_delete=models.PROTECT)
+    shelf = models.ForeignKey('Shelf', on_delete=models.PROTECT)
+
+    def save(self, *args, **kwargs):
+        if not self.activity_type:
+            self.activity_type = 'Add'
+        self.fedireads_type = 'Shelve'
+        super().save(*args, **kwargs)
+
+
+class FollowActivity(Activity):
+    ''' record follow requests sent out '''
+    followed = models.ForeignKey(
+        'User',
+        related_name='followed',
+        on_delete=models.PROTECT
+    )
+
+    def save(self, *args, **kwargs):
+        self.activity_type = 'Follow'
+        super().save(*args, **kwargs)
+
+
+class Review(Activity):
+    ''' a book review '''
+    book = models.ForeignKey('Book', on_delete=models.PROTECT)
+    name = models.CharField(max_length=255)
+    rating = models.IntegerField(default=0, validators=[MinValueValidator(0), MaxValueValidator(5)])
+    review_content = models.TextField(blank=True, null=True)
+
+    def save(self, *args, **kwargs):
+        self.activity_type = 'Article'
+        self.fedireads_type = 'Review'
+        super().save(*args, **kwargs)
+
+
+class Note(Activity):
+    ''' reply to a review, etc '''
+    def save(self, *args, **kwargs):
+        self.activity_type = 'Note'
+        super().save(*args, **kwargs)
+
+