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app.py
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app.py
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from flask import Flask, request, jsonify
from flasgger import Swagger
app = Flask(__name__)
Swagger(app)
# File path to store chat history
CHAT_HISTORY_FILE = 'chat_history.txt'
# Load existing chat history from file
try:
with open(CHAT_HISTORY_FILE, 'r') as file:
chat_history = eval(file.read())
except FileNotFoundError:
chat_history = {}
@app.route('/')
def welcome():
return "Welcome to the Chat Microservice"
@app.route("/send", methods=["POST"])
def send_message():
"""
Send a message from one person to another.
---
parameters:
- name: sender
in: formData
type: string
required: true
description: The name of the sender
- name: receiver
in: formData
type: string
required: true
description: The name of the receiver
- name: message
in: formData
type: string
required: true
description: The message content
responses:
201:
description: Message sent successfully
"""
sender = request.form.get('sender')
receiver = request.form.get('receiver')
message = request.form.get('message')
if sender not in chat_history:
chat_history[sender] = {}
if receiver not in chat_history[sender]:
chat_history[sender][receiver] = []
chat_history[sender][receiver].append({'sender': sender, 'receiver': receiver, 'message': message})
# Save updated chat history to file
with open(CHAT_HISTORY_FILE, 'w') as file:
file.write(repr(chat_history))
return "Message sent successfully", 201
@app.route('/chat/<sender>/<receiver>', methods=['GET'])
def get_chat_history(sender, receiver):
"""
Fetch the chat history between two specified persons.
---
parameters:
- name: sender
in: path
type: string
required: true
description: The name of the sender
- name: receiver
in: path
type: string
required: true
description: The name of the receiver
responses:
200:
description: Chat history between two persons
"""
if sender in chat_history and receiver in chat_history[sender]:
return jsonify(chat_history[sender][receiver])
else:
return "No chat history found", 404
if __name__ == '__main__':
app.run(debug=True, host='0.0.0.0')