From 266d77105e814d9c0520a0e59d7f3b0170a73246 Mon Sep 17 00:00:00 2001
From: Ernesto Rico Schmidt <ernesto@helsinki.at>
Date: Wed, 3 Aug 2022 17:01:33 -0400
Subject: [PATCH] Add abstract models
---
program/models.py | 52 +++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 52 insertions(+)
diff --git a/program/models.py b/program/models.py
index ba2b09ec..bad049fc 100644
--- a/program/models.py
+++ b/program/models.py
@@ -47,6 +47,58 @@ class ScheduleConflictError(ValidationError):
self.conflicts = conflicts
+class ModelWithImageFields(models.Model):
+ """Abstract model that adds:
+ - `image`, a `VersatileImageField`
+ - `image_ppoi`, a `PPOIField`
+ - `image_width`, a `PositiveIntegerField`
+ - `image_height`, a `PositiveIntegerField`
+ - `image_credits`, a `TextField`
+ - `image_alt_text`, a `TextField`
+ """
+
+ image = VersatileImageField(
+ blank=True,
+ null=True,
+ upload_to="images",
+ width_field="image_width",
+ height_field="image_height",
+ ppoi_field="image_ppoi",
+ )
+ image_ppoi = PPOIField()
+ image_width = models.PositiveIntegerField(blank=True, null=True, editable=False)
+ image_height = models.PositiveIntegerField(blank=True, null=True, editable=False)
+ image_credits = models.TextField(blank=True, null=True)
+ image_alt_text = models.TextField(blank=True, null=True)
+
+ class Meta:
+ abstract = True
+
+ def save(self, *args, **kwargs):
+ super().save(*args, **kwargs)
+
+ if self.image.name and THUMBNAIL_SIZES:
+ for size in THUMBNAIL_SIZES:
+ self.image.thumbnail = self.image.crop[size].name
+
+
+class ModelWithCreatedUpdatedFields(models.Model):
+ """Abstract model that adds:
+ - `created_at`, a `DateTimeField` with `auto_now_add=True`
+ - `updated_at`, a `DateTimeField` with `auto_now=True`
+ - `created_by`, a `CharField`
+ - `updated_by`, a `CharField`
+ """
+
+ created_at = models.DateTimeField(auto_now_add=True)
+ created_by = models.CharField()
+ updated_at = models.DateTimeField(auto_now=True)
+ updated_by = models.CharField()
+
+ class Meta:
+ abstract = True
+
+
class Type(models.Model):
name = models.CharField(max_length=32)
slug = models.SlugField(max_length=32, unique=True)
--
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