Create citation_validator.py

citation_validator.py

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+import re
+
+def validate_citation(citation_text, style):
+    """Basic validation for citation format"""
+    errors = []
+    
+    if not citation_text or len(citation_text.strip()) < 10:
+        errors.append("Citation appears too short")
+    
+    if style == "APA7":
+        # Check for basic APA7 patterns
+        if not re.search(r'\(\d{4}\)', citation_text):
+            errors.append("Missing year in parentheses")
+        if not citation_text.strip().endswith('.'):
+            errors.append("Citation should end with a period")
+    
+    elif style == "Chicago":
+        # Check for basic Chicago patterns
+        if '"' not in citation_text and '"' not in citation_text:
+            errors.append("Chicago style typically includes quotation marks around titles")
+    
+    return errors
+
+def format_authors(authors):
+    """Format author list from Crossref data"""
+    if not authors:
+        return "Unknown Author"
+    
+    formatted_authors = []
+    for author in authors[:5]:  # Limit to 5 authors
+        given = author.get('given', '')
+        family = author.get('family', '')
+        if family:
+            formatted_authors.append(f"{family}, {given}" if given else family)
+    
+    if len(authors) > 5:
+        formatted_authors.append("et al.")
+    
+    return "; ".join(formatted_authors)