feat: implement specialty content module with expanded Page entity fields, database migrations, and data import utilities

sisvietnamvn_main/seed_slider.py

@@ -27,7 +27,7 @@ try:
             
             # Fetch the latest 10 published posts with this tag
             sql_posts = """
-                SELECT p.title, p.featured_image, p.slug, p.excerpt, p.created_date 
+                SELECT p.title, p.featured_image, p.slug, p.excerpt, p.created_date, p.content 
                 FROM sis_post p
                 JOIN sis_post_tag pt ON p.id = pt.post_id
                 WHERE pt.tag_id = :tag_id AND p.status = 'PUBLISHED'
@@ -38,13 +38,24 @@ try:
             posts = cursor.fetchall()
             
             import random
+            import re
+            
+            def extract_words(html_text, num_words=100):
+                if not html_text:
+                    return ""
+                if hasattr(html_text, 'read'):
+                    html_text = html_text.read()
+                text = re.sub('<[^<]+?>', ' ', html_text)
+                words = text.split()
+                return " ".join(words[:num_words]) + ("..." if len(words) > num_words else "")
+            
             prices = ["42.400.000 VNĐ", "23.000.000 VNĐ", "32.500.000 VNĐ", "15.000.000 VNĐ", "Liên hệ"]
             badges = ["SAT", "SUN", "MON", "TUE", "WED", "THU", "FRI"]
             
             items = []
             for post in posts:
                 img = post[1] if post[1] else ""
-                desc = post[3] if post[3] else ""
+                desc = post[3] if post[3] else extract_words(post[5], 100)
                 date_val = post[4]
                 date_str = date_val.strftime("%d/%m/%Y") if hasattr(date_val, 'strftime') else str(date_val) if date_val else "12/09/2026"