logic move out

flask_logic.py/logic.py

@@ -0,0 +1,93 @@
+import os
+import csv
+
+COMMENT_FILE = os.path.join(os.path.dirname(__file__), '../content/comments.csv')
+MAX_FILE_SIZE_BYTES = 5 * 1024 * 1024 # 5MB example
+
+import datetime
+
+def save_comment(post_id, author, content):
+    """Handles the validation and saving of comments to the private CSV."""
+    # 1. Validation logic moved here
+    if not content or len(content) > 1000:
+        return False
+
+    author = (author or "Anonymous").strip()[:50]
+    content = content.strip()
+    
+    # 2. Path & Size Checks
+    file_exists = os.path.isfile(COMMENT_FILE)
+    if file_exists and os.path.getsize(COMMENT_FILE) > MAX_FILE_SIZE_BYTES:
+        return False # Or raise a specific error
+
+    # 3. Write to CSV
+    with open(COMMENT_FILE, 'a', newline='', encoding='utf-8') as f:
+        writer = csv.DictWriter(f, fieldnames=['post_id', 'author', 'content', 'date'])
+        if not file_exists:
+            writer.writeheader()
+        
+        writer.writerow({
+            'post_id': post_id,
+            'author': author,
+            'content': content,
+            'date': datetime.datetime.now().strftime("%B %d, %Y at %I:%M %p")
+        })
+    return True
+
+
+
+def load_snippet(filename):
+    """Helper to read HTML snippets from the data folder."""
+    base_path = os.path.join(os.path.dirname(__file__), 'data')
+    file_path = os.path.join(base_path, filename)
+    
+    if os.path.exists(file_path):
+        with open(file_path, 'r', encoding='utf-8') as f:
+            return f.read()
+    return ""
+
+def get_enriched_post(post_id, BLOG_POSTS):
+    post = next((p for p in BLOG_POSTS if p.get('id') == post_id), None)
+    if not post:
+        return None
+
+    # Mapping config: keeps logic.py tiny
+    configs = {
+        10: {
+            "template": "components/timeline.html",
+            "timeline_file": "post_10_timeline.html"
+        },
+        8: {
+            "template": "components/christmas_post.html",
+            "timeline": None
+        },
+    }
+
+    if post_id in configs:
+        conf = configs[post_id]
+        post_template = conf.get("template")
+        if post_template:
+            post["template"] = post_template
+        
+        # Only load the file if a filename is provided
+        t_file = conf.get("timeline_file")
+        if t_file:
+            post["timeline"] = load_snippet(t_file)
+
+    return post
+
+
+def get_comments_for_post(post_id):
+    comments = []
+    if not os.path.exists(COMMENT_FILE):
+        return comments
+    
+    if os.path.getsize(COMMENT_FILE) > MAX_FILE_SIZE_BYTES:
+        return ["Comment section full."] # Handle error in app.py
+
+    with open(COMMENT_FILE, 'r', encoding='utf-8') as f:
+        reader = csv.DictReader(f)
+        for row in reader:
+            if row['post_id'] == str(post_id):
+                comments.append(row)
+    return comments