def word_cloud():
query = request.args.get("query")
if query is None:
return jsonify({"error": "missing query"}), 400
db = DatabaseManager()
comments = db.comments_containing(query)
words = [word.lower() for c in comments for word in c.content.split()]
counts = collections.Counter(words).most_common(25)
return jsonify(dict(counts))
def courses_by_popularity():
course_tracker = CourseTracker()
db = DatabaseManager()
analyzer = SentimentAnalyzer()
sentiments = []
for course in course_tracker.get_all_courses():
course_comments = db.comments_containing(course.name)
if len(course_comments) == 0:
continue
course_sentiments = [
analyzer.analyze_sentiment(c.content) for c in course_comments
]
avg_sentiment = sum(course_sentiments) / len(course_sentiments)
sentiments.append({
"course": course.name,
"avg_sentiment": avg_sentiment
})
return jsonify(
sorted(sentiments, key=lambda x: x["avg_sentiment"], reverse=True))
