The Course App — Part 2

Calculating word count dynamically

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Modified files

app/models.py

--- 
+++ 
@@ -1,3 +1,4 @@
+import re
 from django.db import models
 from django.contrib.auth.models import AbstractUser

@@ -23,4 +24,9 @@
         default="draft",
     )
     created_at = models.DateTimeField(auto_now_add=True)
-    updated_at = models.DateTimeField(auto_now=True)+    updated_at = models.DateTimeField(auto_now=True)
+
+    def save(self, *args, **kwargs):
+        text = re.sub(r"<[^>]*>", "", self.content).replace("&nbsp;", " ")
+        self.word_count = len(re.findall(r"\b\w+\b", text))
+        super().save(*args, **kwargs)