87 lines
2.6 KiB
Python
87 lines
2.6 KiB
Python
from keybert import KeyBERT
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from sentence_transformers import SentenceTransformer
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import mysql.connector
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import os
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# === Load multilingual KeyBERT model ===
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model = SentenceTransformer('paraphrase-multilingual-MiniLM-L12-v2')
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kw_model = KeyBERT(model)
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# === DB Credentials ===
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DB_HOST = os.getenv("DB_HOST", "localhost")
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DB_PORT = int(os.getenv("DB_PORT", 3306))
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DB_USER = os.getenv("DB_USER", "emailuser")
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DB_PASSWORD = os.getenv("DB_PASSWORD", "miguel33020")
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DB_NAME = os.getenv("DB_NAME", "emailassistant")
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# === Connect to DB ===
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conn = mysql.connector.connect(
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host=DB_HOST,
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port=DB_PORT,
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user=DB_USER,
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password=DB_PASSWORD,
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database=DB_NAME
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)
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cursor = conn.cursor(dictionary=True)
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# === Logging Helper ===
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def log_event(cursor, level, source, message):
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try:
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cursor.execute(
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"INSERT INTO logs (level, source, message) VALUES (%s, %s, %s)",
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(level, source, message)
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)
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except Exception as e:
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print(f"[LOG ERROR] Failed to log event: {e}")
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# === Subject-Based Summarization Using KeyBERT ===
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def summarize_subject(subject):
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keywords = kw_model.extract_keywords(
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subject,
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keyphrase_ngram_range=(1, 2),
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stop_words='english',
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top_n=1
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)
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summary = keywords[0][0] if keywords else subject
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confidence = round(len(summary.split()) / max(1, len(subject.split())), 2)
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if len(summary.split()) < 1 or confidence < 0.2:
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return subject, 1.0
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return summary.strip(), confidence
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# === Fetch emails ===
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cursor.execute("SELECT id, subject FROM emails")
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emails = cursor.fetchall()
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# === Main Processing Loop ===
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for email in emails:
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email_id = email["id"]
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subject = email["subject"]
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if not subject or not subject.strip():
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log_event(cursor, "WARNING", "subject_summarizer", f"Skipped empty subject for email ID {email_id}")
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continue
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try:
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summary, confidence = summarize_subject(subject)
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cursor.execute("""
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UPDATE emails
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SET ai_summary = %s,
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ai_confidence = %s
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WHERE id = %s
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""", (summary, confidence, email_id))
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log_event(cursor, "INFO", "subject_summarizer", f"Subject summarized for email ID {email_id}")
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print(f"✅ Subject summarized for email {email_id} (confidence: {confidence})")
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except Exception as e:
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log_event(cursor, "ERROR", "subject_summarizer", f"Error on email ID {email_id}: {str(e)}")
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print(f"❌ Error summarizing subject for email {email_id}: {e}")
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# === Commit & Close ===
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conn.commit()
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cursor.close()
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conn.close()
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