Add missing chat prompt template

chat_app.py

@@ -39,7 +39,7 @@ def display_page_footer_content():
     Display content in the page footer.
     """
 
-    st.text(APP_TEXT['tos'] + '\n' + APP_TEXT['tos2'])
+    st.text(APP_TEXT['tos'] + '\n\n' + APP_TEXT['tos2'])
     # st.markdown(
     #     '![Visitors](https://api.visitorbadge.io/api/visitors?path=https%3A%2F%2Fhuggingface.co%2Fspaces%2Fbarunsaha%2Fslide-deck-ai&countColor=%23263759)'  # noqa: E501
     # )
@@ -67,11 +67,7 @@ def set_up_chat_ui():
     history = StreamlitChatMessageHistory(key='chat_messages')
     llm = llm_helper.get_hf_endpoint()
 
-    with open(
-            'langchain_templates/template_combined_chat_history.txt',
-            'r',
-            encoding='utf-8'
-    ) as in_file:
+    with open(GlobalConfig.CHAT_TEMPLATE_FILE, 'r', encoding='utf-8') as in_file:
         template = in_file.read()
 
     prompt = ChatPromptTemplate.from_template(template)
@@ -92,8 +88,8 @@ def set_up_chat_ui():
         random.choice(APP_TEXT['ai_greetings'])
     )
 
-    # for msg in history.messages:
-    #     st.chat_message(msg.type).write(msg.content)
+    for msg in history.messages:
+        st.chat_message(msg.type).markdown(msg.content)
 
     progress_bar.progress(100, text='Done!')
     progress_bar.empty()

global_config.py

@@ -24,6 +24,7 @@ class GlobalConfig:
     PRELOAD_DATA_FILE = 'examples/example_02.json'
     SLIDES_TEMPLATE_FILE = 'langchain_templates/template_combined.txt'
     JSON_TEMPLATE_FILE = 'langchain_templates/text_to_json_template_02.txt'
+    CHAT_TEMPLATE_FILE = 'langchain_templates/template_combined_chat_history.txt'
 
     PPTX_TEMPLATE_FILES = {
         'Blank': {

langchain_templates/template_combined_chat_history.txt

@@ -0,0 +1,46 @@
+You are a helpful, intelligent chatbot. Follow the instructions and chat history, if available, to create or revise the slides for a presentation on the given topic.
+Include main headings for each slide, detailed bullet points for each slide.
+Add relevant content to each slide.
+The content should be descriptive, verbose, and detailed as much as possible.
+If relevant, add one or two examples to illustrate the concept.
+Unless explicitly specified with the topic, create about 10 slides.
+
+
+### Instructions:
+{question}
+
+
+### Chat history:
+{chat_history}
+
+
+The output should only be JSON and nothing else.
+The desired JSON output format:
+{{
+    "title": "Presentation Title",
+    "slides": [
+        {{
+            "heading": "Heading for the First Slide",
+            "bullet_points": [
+                "First bullet point",
+                [
+                    "Sub-bullet point 1",
+                    "Sub-bullet point 2"
+                ],
+                "Second bullet point"
+            ]
+        }},
+        {{
+            "heading": "Heading for the Second Slide",
+            "bullet_points": [
+                "First bullet point",             
+                "Second bullet item",
+                "Third bullet point"
+            ]
+        }}
+    ]
+}}
+
+
+### Output:
+```json