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import psycopg2
from openai import OpenAI
import json
import os
from typing import List, Dict
from pgvector.psycopg2 import register_vector
import numpy as np
# κ°μ€μΉ λ° μκ³κ° μ€μ
DEFAULT_FULL_WEIGHT = 0.2
DEFAULT_TOPIC_WEIGHT = 0.5
DEFAULT_CUSTOMER_WEIGHT = 0.2
DEFAULT_AGENT_WEIGHT = 0.1
DEFAULT_SIMILARITY_THRESHOLD = 0.5
# OpenAI ν΄λΌμ΄μΈνΈ μ΄κΈ°ν
client = OpenAI()
# DB μ°κ²° μ€μ
def get_db_conn():
return psycopg2.connect(
host=os.environ["VECTOR_HOST"],
port=5432,
dbname=os.environ["VECTOR_DBNAME"],
user=os.environ["VECTOR_USER"],
password=os.environ["VECTOR_SECRET"]
)
def get_embedding(text: str) -> List[float]:
"""
ν
μ€νΈλ₯Ό OpenAIμ text-embedding-ada-002 λͺ¨λΈμ μ¬μ©νμ¬ μλ² λ© λ²‘ν°λ‘ λ³νν©λλ€.
Javaμ float[](float32)μ νΈνλλλ‘ λͺ
μμ μΌλ‘ float32λ‘ λ³νν©λλ€.
Args:
text (str): μλ² λ©ν ν
μ€νΈ
Returns:
List[float]: μλ² λ© λ²‘ν° (float32)
"""
try:
response = client.embeddings.create(
input=text,
model="text-embedding-ada-002",
encoding_format="float"
)
# λͺ
μμ μΌλ‘ float32λ‘ λ³ννμ¬ Javaμ float[]μ νΈνλκ² ν¨
return np.array(response.data[0].embedding, dtype=np.float32).tolist()
except Exception as e:
print(f"μλ² λ© μμ± μ€ μ€λ₯ λ°μ: {str(e)}")
raise
def format_vector_for_pg(vector: List[float]) -> str:
"""
μλ² λ© λ²‘ν°λ₯Ό PostgreSQL ν¬λ§·μΌλ‘ λ³νν©λλ€.
μ
λ ₯λ 벑ν°κ° float32 νμ
μΈμ§ νμΈν©λλ€.
"""
# 벑ν°κ° float32 νμ
μΈμ§ νμΈνκ³ , μλλ©΄ λ³ν
# NumPy λ°°μ΄μ΄ μλ κ²½μ°μλ μ²λ¦¬
if not isinstance(vector, np.ndarray):
vector = np.array(vector, dtype=np.float32)
elif vector.dtype != np.float32:
vector = vector.astype(np.float32)
vector_str = ','.join([f"{x}" for x in vector])
return f"[{vector_str}]"
def get_text_value(node: Dict, field_name: str) -> str:
"""
λμ
λ리μμ ν
μ€νΈ κ°μ μμ νκ² μΆμΆν©λλ€.
μλ°μ getTextValue() λ©μλμ λμΌν κΈ°λ₯μ
λλ€.
"""
if node and field_name in node and node[field_name] is not None:
return node[field_name]
return None
def search_similar_chat(query: str, max_results: int = 100) -> List[Dict]:
"""
μ±ν
λ°μ΄ν°μμ μ μ¬ν μ½ν
μΈ λ₯Ό κ²μν©λλ€.
Args:
query (str): κ²μν 쿼리 ν
μ€νΈ
max_results (int): λ°νν μ΅λ κ²°κ³Ό μ
Returns:
List[Dict]: κ²μ κ²°κ³Ό λͺ©λ‘
"""
limit = max_results if max_results is not None else 100
# μλ°μ λμΌν κ°μ€μΉ μ€μ
full_w = DEFAULT_FULL_WEIGHT
topic_w = DEFAULT_TOPIC_WEIGHT
customer_w = DEFAULT_CUSTOMER_WEIGHT
agent_w = DEFAULT_AGENT_WEIGHT
threshold = DEFAULT_SIMILARITY_THRESHOLD
try:
# 쿼리 μλ² λ© μμ±
query_embedding = get_embedding(query)
# PostgreSQL ν¬λ§·μΌλ‘ λ²‘ν° λ³ν
query_vector = format_vector_for_pg(query_embedding)
# DB μ°κ²°
conn = get_db_conn()
register_vector(conn)
# μλ° μ½λμ λμΌν SQL 쿼리 ꡬν
sql = """
WITH embeddings AS (
SELECT
id,
metadata,
content,
CASE WHEN full_embedding IS NOT NULL THEN 1 - (full_embedding <=> '%s'::vector) ELSE 0 END * %f as full_sim,
CASE WHEN topic_embedding IS NOT NULL THEN 1 - (topic_embedding <=> '%s'::vector) ELSE 0 END * %f as topic_sim,
CASE WHEN customer_embedding IS NOT NULL THEN 1 - (customer_embedding <=> '%s'::vector) ELSE 0 END * %f as customer_sim,
CASE WHEN agent_embedding IS NOT NULL THEN 1 - (agent_embedding <=> '%s'::vector) ELSE 0 END * %f as agent_sim
FROM vector_store_multi_embeddings
WHERE full_embedding IS NOT NULL
OR topic_embedding IS NOT NULL
OR customer_embedding IS NOT NULL
OR agent_embedding IS NOT NULL
)
SELECT
id,
metadata,
content,
(full_sim + topic_sim + customer_sim + agent_sim) as combined_similarity
FROM embeddings
ORDER BY combined_similarity DESC
LIMIT %s
""" % (query_vector, full_w, query_vector, topic_w, query_vector, customer_w, query_vector, agent_w, limit)
with conn.cursor() as cur:
cur.execute(sql)
rows = cur.fetchall()
results = []
for row in rows:
id_val = row[0]
metadata_json = row[1]
content = row[2]
similarity_score = float(row[3])
# λ©νλ°μ΄ν° νμ±
try:
metadata = json.loads(metadata_json) if isinstance(metadata_json, str) else metadata_json
result = {
"id": id_val,
"similarityScore": similarity_score,
"content": content,
"chatId": get_text_value(metadata, "chatId"),
"topic": get_text_value(metadata, "topic")
}
# μκ° νλ λ³ν μμ΄ κ·Έλλ‘ μ¬μ©
if "startTime" in metadata and metadata["startTime"] is not None:
result["startTime"] = metadata["startTime"]
if "endTime" in metadata and metadata["endTime"] is not None:
result["endTime"] = metadata["endTime"]
results.append(result)
except Exception as e:
print(f"λ©νλ°μ΄ν° νμ± μ€λ₯: {e}")
continue
# μκ³κ° νν°λ§
filtered_results = [r for r in results if r["similarityScore"] >= threshold]
return filtered_results
except Exception as e:
print(f"λ€μ€ μλ² λ© κ²μ μ€ μ€λ₯ λ°μ: {str(e)}")
return []
finally:
if 'conn' in locals():
conn.close()
def search_similar_chat_by_date(
query: str,
start_date: str = None,
end_date: str = None,
max_results: int = 100
) -> List[Dict]:
"""
μ§μ λ λ μ§ λ²μ λ΄μ μ±ν
λ°μ΄ν°λ₯Ό κ²μν©λλ€.
Args:
query (str): κ²μν 쿼리 ν
μ€νΈ
start_date (str): κ²μ μμ λ μ§ (YYYY-MM-DD νμ)
end_date (str): κ²μ μ’
λ£ λ μ§ (YYYY-MM-DD νμ)
max_results (int): λ°νν μ΅λ κ²°κ³Ό μ
Returns:
List[Dict]: κ²μ κ²°κ³Ό λͺ©λ‘
"""
limit = max_results if max_results is not None else 100
# μλ°μ λμΌν κ°μ€μΉ μ€μ
full_w = DEFAULT_FULL_WEIGHT
topic_w = DEFAULT_TOPIC_WEIGHT
customer_w = DEFAULT_CUSTOMER_WEIGHT
agent_w = DEFAULT_AGENT_WEIGHT
threshold = DEFAULT_SIMILARITY_THRESHOLD
try:
# 쿼리 μλ² λ© μμ±
query_embedding = get_embedding(query)
# PostgreSQL ν¬λ§·μΌλ‘ λ²‘ν° λ³ν
query_vector = format_vector_for_pg(query_embedding)
# DB μ°κ²°
conn = get_db_conn()
register_vector(conn)
# μλ° μ½λμ λμΌν SQL 쿼리 μμ
sql = """
WITH embeddings AS (
SELECT
id,
metadata,
content,
CASE WHEN full_embedding IS NOT NULL THEN 1 - (full_embedding <=> '%s'::vector) ELSE 0 END * %f as full_sim,
CASE WHEN topic_embedding IS NOT NULL THEN 1 - (topic_embedding <=> '%s'::vector) ELSE 0 END * %f as topic_sim,
CASE WHEN customer_embedding IS NOT NULL THEN 1 - (customer_embedding <=> '%s'::vector) ELSE 0 END * %f as customer_sim,
CASE WHEN agent_embedding IS NOT NULL THEN 1 - (agent_embedding <=> '%s'::vector) ELSE 0 END * %f as agent_sim
FROM vector_store_multi_embeddings
WHERE full_embedding IS NOT NULL
OR topic_embedding IS NOT NULL
OR customer_embedding IS NOT NULL
OR agent_embedding IS NOT NULL
""" % (query_vector, full_w, query_vector, topic_w, query_vector, customer_w, query_vector, agent_w)
# λ μ§ νν° μΆκ°
if start_date and start_date.strip():
# μμ μκ° μΆκ°νμ¬ ISO νμμΌλ‘ λΉκ΅
iso_start_date = start_date + "T00:00:00"
sql += f" AND metadata->>'startTime' >= '{iso_start_date}'"
if end_date and end_date.strip():
# μ’
λ£ μκ° μΆκ°νμ¬ ISO νμμΌλ‘ λΉκ΅
iso_end_date = end_date + "T23:59:59"
sql += f" AND metadata->>'startTime' <= '{iso_end_date}'"
sql += """
)
SELECT
id,
metadata,
content,
(full_sim + topic_sim + customer_sim + agent_sim) as combined_similarity
FROM embeddings
ORDER BY combined_similarity DESC
LIMIT %s
"""
with conn.cursor() as cur:
# μ¬κΈ°μλ limitλ₯Ό νλΌλ―Έν°λ‘ μ λ¬
cur.execute(sql, (limit,))
rows = cur.fetchall()
results = []
for row in rows:
id_val = row[0]
metadata_json = row[1]
content = row[2]
similarity_score = float(row[3])
# λ©νλ°μ΄ν° νμ±
try:
metadata = json.loads(metadata_json) if isinstance(metadata_json, str) else metadata_json
result = {
"id": id_val,
"similarityScore": similarity_score,
"content": content,
"chatId": get_text_value(metadata, "chatId"),
"topic": get_text_value(metadata, "topic")
}
# μκ° νλ λ³ν μμ΄ κ·Έλλ‘ μ¬μ© (μ΄λ―Έ KSTλ‘ μ μ₯λμ΄ μμ)
if "startTime" in metadata and metadata["startTime"] is not None:
result["startTime"] = metadata["startTime"]
if "endTime" in metadata and metadata["endTime"] is not None:
result["endTime"] = metadata["endTime"]
results.append(result)
except Exception as e:
print(f"λ©νλ°μ΄ν° νμ± μ€λ₯: {e}")
continue
# μκ³κ° νν°λ§ (μλ° μ½λμ λμΌνκ² κ΅¬ν)
filtered_results = [r for r in results if r["similarityScore"] >= threshold]
return filtered_results
except Exception as e:
print(f"λ€μ€ μλ² λ© λ μ§ κ²μ μ€ μ€λ₯ λ°μ: {str(e)}")
return []
finally:
if 'conn' in locals():
conn.close()
# Gradio μΉ μΈν°νμ΄μ€ μ€μ
with gr.Blocks() as demo:
gr.Markdown("# Chat Analysis Search")
gr.Interface(fn=search_similar_chat, inputs=["text", "number"], outputs="json", api_name="search_similar_chat")
gr.Interface(fn=search_similar_chat_by_date, inputs=["text", "text", "text", "number"], outputs="json", api_name="search_similar_chat_by_date")
if __name__ == "__main__":
demo.launch(
mcp_server=True,
root_path="/"
)
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