Add StartConversation and Chat REST API calls

.env_example

@@ -0,0 +1,2 @@
+CHAT_URL=host.docker.internal
+CHAT_PORT=8001

.gitignore

@@ -0,0 +1,143 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+.DS_Store
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+.vscode/
+data/
+logs/
+qdrant_storage/
+tmp*/
+htmlcov/
+vector_db/
+
+# Not needed yml files
+docker-compose-hub.yml
+
+#IDEA Files
+.idea/

Dockerfile

@@ -2,7 +2,7 @@ FROM python:3.10
 
 WORKDIR /app
 
-COPY . /app
+COPY ./requirements.txt /app
 
 RUN apt-get update && apt-get install -y \
     build-essential \
@@ -13,6 +13,8 @@ RUN apt-get update && apt-get install -y \
 
 RUN pip3 install -r requirements.txt
 
+COPY . /app
+
 # Expose the ports that your app uses
 EXPOSE 8501
 

frontend/streamlit_gui.py

@@ -1,6 +1,14 @@
 """The main gui."""
 import streamlit as st
 from loguru import logger
+import dotenv
+import requests
+import os
+
+dotenv.load_dotenv()
+
+CHAT_URL = os.getenv("CHAT_URL")
+CHAT_PORT = os.getenv("CHAT_PORT")
 
 # Constants
 PDF_FILE_TYPE = "pdf"
@@ -16,8 +24,49 @@
 # Create title
 st.title("💬 OneCX Chatbot")
 
+def get_conversation_id(conv_type = "Q_AND_A", return_sys_message = False):
+    if "conversation_id" in st.session_state:
+        return st.session_state.conversation_id
+
+    body = {"conversation_type": conv_type}
+
+    response = requests.post(url="http://" + CHAT_URL + ":" + CHAT_PORT + "/startConversation", json=body)
+    response.raise_for_status()
+    response_json = response.json()
+    st.session_state.conversation_id = response_json["conversationId"]
+    logger.info(f"Started conversation: {st.session_state.conversation_id}")
+
+    if return_sys_message:
+        return st.session_state.conversation_id, response_json["history"][0]["message"]
+    return st.session_state.conversation_id
+
+def send_chat(message):
+    try:
+        conversation_id = get_conversation_id()
+
+        body = {
+            "conversationId": conversation_id,
+            "correlationId": "StreamlitUI",
+            "message": message,
+            "type": "user",
+            "creationDate": 0
+        }
+
+        response = requests.post(url="http://" + CHAT_URL + ":" + CHAT_PORT + "/chat", json=body)    
+        response.raise_for_status()
+        response_json = response.json()
+
+        return True, response_json["message"]
+    except Exception as e:
+        return False, e
+
+
 if "messages" not in st.session_state:
-    st.session_state["messages"] = [{"role": "assistant", "content": "Wie kann ich dir helfen?"}]
+    try:
+        conversation_id, first_message = get_conversation_id(return_sys_message=True)
+        st.session_state["messages"] = [{"role": "assistant", "content": first_message}]
+    except:
+        st.session_state["messages"] = [{"role": "assistant", "content": "Wie kann ich dir helfen?"}]
 
 for msg in st.session_state.messages:
     #if len(st.session_state.messages) == 1:
@@ -27,8 +76,12 @@
     st.session_state.messages.append({"role": "user", "content": prompt})
     st.chat_message("user").write(prompt)
     #send request
-    #
+    success, response = send_chat(prompt)
+
     #check response 
-    msg = "BOT RESPONSE"
-    st.session_state.messages.append({"role": "assistant", "content": msg})
-    st.chat_message("assistant").write(msg)
+
+    st.session_state.messages.append({"role": "assistant", "content": response})
+    if success:
+        st.chat_message("assistant").write(response)
+    else:
+        st.chat_message("assistant").error(response)

requirements.txt

@@ -1,2 +1,3 @@
 loguru==0.7.0
 streamlit==1.26.0
+python-dotenv==1.0.0