feat(core): added new history model

ref: #570 #602

app/core/models/model_history.py

@@ -0,0 +1,96 @@
+from django.contrib.auth.models import ContentType, User
+from django.db import models
+
+from access.fields import *
+
+
+class ModelHistory(
+    models.Model
+):
+
+
+    class Meta:
+
+        ordering = [
+            '-created'
+        ]
+
+        verbose_name = 'History'
+
+        verbose_name_plural = 'History'
+
+
+    class Actions(models.IntegerChoices):
+        ADD    = 1, 'Create'
+        UPDATE = 2, 'Update'
+        DELETE = 3, 'Delete'
+
+
+    id = models.AutoField(
+        blank=False,
+        help_text = 'ID for this history entry',
+        primary_key=True,
+        unique=True,
+        verbose_name = 'ID'
+    )
+
+    before = models.JSONField(
+        blank = True,
+        default = None,
+        help_text = 'JSON Object before Change',
+        null = True,
+        verbose_name = 'Before'
+    )
+
+
+    after = models.JSONField(
+        blank = True,
+        default = None,
+        help_text = 'JSON Object After Change',
+        null = True,
+        verbose_name = 'After'
+    )
+
+
+    action = models.IntegerField(
+        blank = False,
+        choices=Actions,
+        default=None,
+        help_text = 'History action performed',
+        null=True,
+        verbose_name = 'Action'
+    )
+
+
+    user = models.ForeignKey(
+        User,
+        blank= False,
+        help_text = 'User whom performed the action this history relates to',
+        null = True,
+        on_delete=models.DO_NOTHING,
+        verbose_name = 'User'
+    )
+
+    content_type = models.ForeignKey(
+        ContentType,
+        blank= True,
+        help_text = 'Model this note is for',
+        null = False,
+        on_delete=models.CASCADE,
+        verbose_name = 'Content Model'
+    )
+
+    created = AutoCreatedField()
+
+
+    table_fields: list  = [
+        'created',
+        'action',
+        'content_type',
+        'user',
+        'nbsp',
+        [
+            'before',
+            'after'
+        ]
+    ]