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Update app.py
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app.py
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import streamlit as st
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import requests
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import pandas as pd
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from datetime import datetime, timedelta
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from transformers import pipeline
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from vaderSentiment.vaderSentiment import SentimentIntensityAnalyzer
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from textblob import TextBlob
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import nltk
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from wordcloud import WordCloud
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import base64
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from io import BytesIO
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import numpy as np
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from sklearn.linear_model import LinearRegression
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import plotly.graph_objects as go
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all_articles = []
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page
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while True:
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url = (
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f"https://newsapi.org/v2/everything?"
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f"q={
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f"from={from_date}&to={to_date}&"
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f"language=en&sortBy=publishedAt&"
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f"pageSize=100&page={page}&apiKey={
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)
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if data.get("status") != "ok":
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st.error(f"API Error: {data}")
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break
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articles = data.get("articles", [])
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if not articles:
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break
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#
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#
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# Sidebar
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with st.sidebar:
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keyword = st.text_input("ค้นหาคำ (เช่น Tesla, Bitcoin, Inflation):", "")
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analyze_btn = st.button("วิเคราะห์เลย")
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if not analyze_btn:
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st.info("กรอกคำค้นแล้วกด 'วิเคราะห์เลย' เพื่อเริ่มต้น")
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return
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bert_model, vader = load_models()
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# ดึงข่าว
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st.info(f"กำลังดึงข่าวย้อนหลัง 7 วันจาก NewsAPI.org สำหรับ '{keyword}' ...")
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news_df = fetch_financial_news(keyword)
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if news_df.empty:
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st.warning("ไม่พบบทความข่าวในช่วง 7 วันที่ผ่านมา")
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return
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# วิเคราะห์ sentiment
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st.info("กำลังวิเคราะห์อารมณ์ของข่าว...")
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news_df["sentiment"] = news_df["text"].apply(lambda x: analyze_text(x, bert_model, vader))
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news_df["date"] = pd.to_datetime(news_df["date"])
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avg_sentiment = news_df["sentiment"].mean()
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pos_pct = (news_df["sentiment"] > 0.1).mean() * 100
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neg_pct = (news_df["sentiment"] < -0.1).mean() * 100
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col1, col2, col3 = st.columns(3)
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col1.metric("ค่าเฉลี่ยอารมณ์ข่าว", f"{avg_sentiment:.2f}",
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"Positive" if avg_sentiment > 0 else "Negative" if avg_sentiment < 0 else "Neutral")
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col2.metric("ข่าวเชิงบวก", f"{pos_pct:.1f}%")
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col3.metric("ข่าวเชิงลบ", f"{neg_pct:.1f}%")
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# Wordcloud
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st.subheader("☁️ Word Cloud ของข่าว")
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all_text = " ".join(news_df["text"].tolist())
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img = generate_wordcloud(all_text)
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st.image(f"data:image/png;base64,{img}", use_column_width=True)
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# แนวโน้มและพยากรณ์ในกราฟเดียว
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st.subheader("📈 แนวโน้มและพยากรณ์อารมณ์ของข่าว")
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df_sorted = news_df.sort_values("date").copy()
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df_sorted["timestamp"] = (df_sorted["date"] - df_sorted["date"].min()).dt.days
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# Train model
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model = LinearRegression()
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model.fit(df_sorted[["timestamp"]], df_sorted["sentiment"])
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# Forecast next 7 days
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future_days = 7
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future_timestamps = np.arange(df_sorted["timestamp"].max() + 1,
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future_dates = [df_sorted["date"].max() + timedelta(days=i) for i in range(1, future_days + 1)]
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future_preds = model.predict(future_timestamps.reshape(-1, 1))
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import streamlit as st
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import requests
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import pandas as pd
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import numpy as np
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import yfinance as yf
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from datetime import datetime, timedelta
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from textblob import TextBlob
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from sklearn.linear_model import LinearRegression
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import plotly.graph_objects as go
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# -------------------------------
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# 🔧 ตั้งค่า API Key
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# -------------------------------
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NEWS_API_KEY = "88bc396d4eab4be494a4b86ec842db47"
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st.set_page_config(page_title="📊 วิเคราะห์อารมณ์ข่าวหุ้น", layout="wide")
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st.title("📈 วิเคราะห์แนวโน้มอารมณ์ข่าวหุ้นด้วย AI")
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st.caption("ใช้ NewsAPI + yfinance เพื่อค้นหาข่าวหุ้น และพยากรณ์อารมณ์ข่าว 7 วันข้างหน้า")
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# -------------------------------
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# 🧠 ฟังก์ชัน: แปลงชื่อบริษัท ↔️ Symbol โดยอัตโนมัติ
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# -------------------------------
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def resolve_company_symbol(keyword: str):
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keyword = keyword.strip()
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ticker = None
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name = None
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try:
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data = yf.Ticker(keyword)
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info = data.info
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if "symbol" in info and info["symbol"]: # ถ้าเป็น ticker
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ticker = info["symbol"]
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name = info.get("longName", info.get("shortName", keyword))
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else:
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# ถ้าไม่ใช่ ticker → ค้นจากชื่อบริษัท
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url = f"https://query2.finance.yahoo.com/v1/finance/search?q={keyword}"
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res = requests.get(url).json()
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if "quotes" in res and len(res["quotes"]) > 0:
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q = res["quotes"][0]
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ticker = q.get("symbol", keyword.upper())
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name = q.get("longname", q.get("shortname", keyword.capitalize()))
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except Exception:
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ticker = keyword.upper()
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name = keyword.capitalize()
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return name, ticker
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# -------------------------------
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# 📰 ฟังก์ชัน: ดึงข่าวจาก NewsAPI
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# -------------------------------
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def fetch_financial_news(keyword: str):
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company, symbol = resolve_company_symbol(keyword)
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query = f"({company} OR {symbol})"
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to_date = datetime.utcnow().isoformat() # ดึงถึงเวลาปัจจุบัน (UTC)
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from_date = (datetime.utcnow() - timedelta(days=7)).strftime('%Y-%m-%d')
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all_articles = []
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for page in range(1, 6): # ดึงได้สูงสุด 500 ข่าว (100 x 5 หน้า)
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url = (
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f"https://newsapi.org/v2/everything?"
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f"q={query}+finance+stock&"
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f"from={from_date}&to={to_date}&"
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f"language=en&sortBy=publishedAt&"
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f"pageSize=100&page={page}&apiKey={NEWS_API_KEY}"
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)
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response = requests.get(url).json()
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if response.get("status") != "ok" or not response.get("articles"):
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break
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all_articles.extend(response["articles"])
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if not all_articles:
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return pd.DataFrame()
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df = pd.DataFrame(all_articles)
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df["publishedAt"] = pd.to_datetime(df["publishedAt"])
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df["date"] = df["publishedAt"].dt.date
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df["title"] = df["title"].fillna("")
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df["description"] = df["description"].fillna("")
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df["content"] = df["content"].fillna("")
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df["url"] = df["url"].fillna("")
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df["source"] = df["source"].apply(lambda x: x.get("name") if isinstance(x, dict) else x)
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df["company"] = company
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df["symbol"] = symbol
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return df
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# -------------------------------
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# 😊 ฟังก์ชัน: วิเคราะห์อารมณ์ข่าว
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# -------------------------------
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def analyze_sentiment(text):
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if not text:
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return 0
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analysis = TextBlob(text)
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return analysis.sentiment.polarity # ค่า -1 (ลบ) → +1 (บวก)
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# -------------------------------
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# 🧮 ฟังก์ชัน: พยากรณ์แนวโน้มด้วย Linear Regression
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# -------------------------------
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def forecast_sentiment_trend(df):
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df_sorted = df.groupby("date")["sentiment"].mean().reset_index()
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df_sorted["timestamp"] = (df_sorted["date"] - df_sorted["date"].min()).dt.days
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model = LinearRegression()
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model.fit(df_sorted[["timestamp"]], df_sorted["sentiment"])
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future_days = 7
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future_timestamps = np.arange(df_sorted["timestamp"].max() + 1,
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df_sorted["timestamp"].max() + future_days + 1)
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future_dates = [df_sorted["date"].max() + timedelta(days=i) for i in range(1, future_days + 1)]
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future_preds = model.predict(future_timestamps.reshape(-1, 1))
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forecast_df = pd.DataFrame({"date": future_dates, "predicted_sentiment": future_preds})
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return df_sorted, forecast_df
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# -------------------------------
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# 🎯 ส่วนหลักของแอป
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# -------------------------------
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keyword = st.text_input("🔍 พิมพ์ชื่อบริษัทหรืออักษรย่อหุ้น (เช่น Apple หรือ AAPL):", "AAPL")
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if st.button("ค้นหาข่าว"):
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with st.spinner("กำลังดึงข่าวและวิเคราะห์อารมณ์..."):
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news_df = fetch_financial_news(keyword)
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if news_df.empty:
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st.warning("ไม่พบข่าวในช่วง 7 วันที่ผ่านมา 😢")
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else:
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st.success(f"✅ พบข่าวทั้งหมด {len(news_df)} รายการ")
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# วิเคราะห์อารมณ์
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news_df["sentiment"] = news_df["title"].apply(analyze_sentiment)
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# แสดงตารางข่าว
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st.subheader("📰 ข่าวล่าสุด")
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st.dataframe(news_df[["date", "title", "source", "sentiment", "url"]])
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# สร้างกราฟแนวโน้ม + พยากรณ์
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st.subheader("📊 แนวโน้มและพยากรณ์อารมณ์ข่าว 7 วันข้างหน้า")
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df_actual, df_forecast = forecast_sentiment_trend(news_df)
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fig = go.Figure()
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fig.add_trace(go.Scatter(
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x=df_actual["date"], y=df_actual["sentiment"],
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mode="lines+markers",
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name="Actual Sentiment",
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line=dict(color="blue")
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))
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fig.add_trace(go.Scatter(
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x=df_forecast["date"], y=df_forecast["predicted_sentiment"],
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mode="lines+markers",
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name="Predicted Trend (Next 7 Days)",
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line=dict(color="orange", dash="dash")
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))
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fig.update_layout(
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title=f"📈 แนวโน้มอารมณ์ข่าวของ {df_actual['date'].min()} ถึง {df_forecast['date'].max()}",
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xaxis_title="วันที่",
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yaxis_title="ค่าอารมณ์ (Sentiment)",
|
| 156 |
+
hovermode="x unified",
|
| 157 |
+
template="plotly_white"
|
| 158 |
+
)
|
| 159 |
+
st.plotly_chart(fig, use_container_width=True)
|