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import gradio as gr
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import os
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import PyPDF2
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import google.generativeai as genai
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API_KEY = "AIzaSyDED9cUVryPKz7_zXkdVBL3Agrnb3hC1qk"
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os.environ["GOOGLE_API_KEY"] = API_KEY
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genai.configure(api_key=API_KEY)
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try:
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model = genai.GenerativeModel('gemini-1.5-flash')
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print("✅ เชื่อมต่อ Gemini API สำเร็จ")
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except Exception as e:
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print(f"❌ เกิดข้อผิดพลาดในการเชื่อมต่อ API: {e}")
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model = None
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def extract_text_from_pdf(pdf_file):
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try:
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if pdf_file is None:
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return ""
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pdf_reader = PyPDF2.PdfReader(pdf_file)
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text = ""
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for page in pdf_reader.pages:
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text += page.extract_text() + "\n"
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return text
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except Exception as e:
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return f"เกิดข้อผิดพลาดในการอ่านไฟล์ PDF: {str(e)}"
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def extract_text_from_multiple_pdfs(pdf_files):
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if not pdf_files:
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return ""
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combined_text = ""
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for i, pdf_file in enumerate(pdf_files):
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filename = getattr(pdf_file, 'name', f'ไฟล์ที่ {i+1}')
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filename = filename.split('/')[-1]
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text = extract_text_from_pdf(pdf_file)
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combined_text += f"\n\n=== ไฟล์: {filename} ===\n{text}\n"
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return combined_text
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def generate_response(prompt, system_prompt=""):
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try:
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if model is None:
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return "❌ ไม่สามารถเชื่อมต่อกับ Gemini API ได้"
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full_prompt = f"{system_prompt}\n\n{prompt}" if system_prompt else prompt
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response = model.generate_content(full_prompt)
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return getattr(response, 'text', "ไม่สามารถสร้างคำตอบได้")
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except Exception as e:
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return f"เกิดข้อผิดพลาด: {str(e)}"
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def chat_with_pdf(pdf_files, question, chat_history):
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system_prompt = """
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คุณเป็นผู้ช่วยอัจฉริยะของกรมประชาสัมพันธ์ประเทศไทย...
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"""
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if not pdf_files or all(pdf is None for pdf in pdf_files):
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response = "❌ กรุณาอัปโหลดไฟล์ PDF อย่างน้อย 1 ไฟล์ก่อนถามคำถาม"
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elif not question.strip():
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response = "❌ กรุณาใส่คำถาม"
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else:
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combined_text = extract_text_from_multiple_pdfs(pdf_files)
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prompt = f"""
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เอกสารทั้งหมด:
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{combined_text}
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คำถาม: {question}
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"""
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response = generate_response(prompt, system_prompt)
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chat_history.append([question, response])
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return "", chat_history
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def general_prd_chat(question, chat_history):
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system_prompt = "คุณเป็นผู้ช่วยอัจฉริยะของกรมประชาสัมพันธ์..."
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if not question.strip():
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response = "❌ กรุณาใส่คำถาม"
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else:
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response = generate_response(question, system_prompt)
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chat_history.append([question, response])
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return "", chat_history
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def news_activities_chat(question, chat_history):
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system_prompt = "คุณเป็นผู้ช่วยอัจฉริยะของกรมประชาสัมพันธ์..."
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if not question.strip():
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response = "❌ กรุณาใส่คำถาม"
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else:
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response = generate_response(question, system_prompt)
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chat_history.append([question, response])
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return "", chat_history
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def clear_chat():
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return []
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def create_interface():
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with gr.Blocks(title="Chatbot กรมประชาสัมพันธ์") as app:
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with gr.Tab("📄 PDF"):
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pdf_files = gr.File(label="📎 PDF", file_types=[".pdf"], file_count="multiple")
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pdf_question = gr.Textbox(label="คำถาม", lines=2)
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pdf_submit = gr.Button("🔍 ถาม")
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pdf_clear = gr.Button("🗑️ ล้าง")
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pdf_chatbot = gr.Chatbot(height=500)
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pdf_submit.click(chat_with_pdf, [pdf_files, pdf_question, pdf_chatbot], [pdf_question, pdf_chatbot])
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pdf_clear.click(clear_chat, outputs=pdf_chatbot)
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with gr.Tab("🏛️ ข้อมูลทั่วไป"):
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general_question = gr.Textbox(label="คำถาม", lines=3)
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general_submit = gr.Button("🔍 ถาม")
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general_clear = gr.Button("🗑️ ล้าง")
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general_chatbot = gr.Chatbot(height=500)
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general_submit.click(general_prd_chat, [general_question, general_chatbot], [general_question, general_chatbot])
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general_clear.click(clear_chat, outputs=general_chatbot)
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with gr.Tab("📰 ข่าวกิจกรรม"):
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news_question = gr.Textbox(label="คำถาม", lines=3)
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news_submit = gr.Button("🔍 ถาม")
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news_clear = gr.Button("🗑️ ล้าง")
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news_chatbot = gr.Chatbot(height=500)
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news_submit.click(news_activities_chat, [news_question, news_chatbot], [news_question, news_chatbot])
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news_clear.click(clear_chat, outputs=news_chatbot)
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return app
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if __name__ == "__main__":
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app = create_interface()
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app.launch(server_name="0.0.0.0", server_port=7860, share=True, debug=True)
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