saved

2025-10-17 00:09:26 +02:00
parent 2aa8d98aa1
commit aa033aafbe
15 changed files with 357 additions and 0 deletions
--- a/flask_backend/Dockerfile
+++ b/flask_backend/Dockerfile
@@ -0,0 +1,9 @@
+FROM python:3.11-slim
+
+WORKDIR /app
+
+COPY ../requirements.txt .
+
+RUN pip install --no-cache-dir -r ../requirements.txt
+
+COPY . .
--- a/flask_backend/Sender.py
+++ b/flask_backend/Sender.py
@@ -0,0 +1,14 @@
+import json
+from Stomp_client import get_connection
+
+QUEUE_NAME = "/queue/testQueue"
+
+def send_to_queue(payload: dict):
+    """
+    Posílá JSON payload do ActiveMQ queue, přijíma dic
+    """
+    conn = get_connection()  # připojení s retry loop
+    conn.send(destination=QUEUE_NAME, body=json.dumps(payload))
+    print("Message sent to ActiveMQ:", payload)
+    conn.disconnect()
+
--- a/flask_backend/Stomp_client.py
+++ b/flask_backend/Stomp_client.py
@@ -0,0 +1,25 @@
+import stomp, os, time
+
+MQ_HOST = os.getenv("MQ_HOST", "activemq")
+MQ_PORT = int(os.getenv("MQ_PORT", 61613))
+MQ_USER = os.getenv("MQ_USER", "admin")
+MQ_PASS = os.getenv("MQ_PASS", "admin")
+
+def get_connection(listener=None):
+    """
+    Vrací připojený STOMP Connection objekt.
+    Pokud listener je None, připojení bude bez listeneru.
+    """
+    conn = stomp.Connection12([(MQ_HOST, MQ_PORT)])
+    if listener:
+        conn.set_listener("", listener)
+
+    while True:
+        try:
+            conn.connect(MQ_USER, MQ_PASS, wait=True)
+            print("Connected to ActiveMQ")
+            break
+        except Exception as e:
+            print("Waiting for ActiveMQ to be ready...", e)
+            time.sleep(3)
+    return conn
--- a/flask_backend/app.py
+++ b/flask_backend/app.py
@@ -0,0 +1,20 @@
+from flask import Flask, request, jsonify
+from Sender import send_to_queue
+
+app = Flask(__name__)
+
+@app.route("/send", methods=["POST"])
+def send():
+    # očekává JSON payload
+    payload = request.get_json()
+    if not payload:
+        return jsonify({"error": "No JSON payload provided"}), 400
+
+    try:
+        send_to_queue(payload)  # voláme funkci z sender.py
+        return jsonify({"status": "ok"}), 200
+    except Exception as e:
+        return jsonify({"error": str(e)}), 500
+
+if __name__ == "__main__":
+    app.run(host="0.0.0.0", port=5000)
--- a/flask_backend/templates/index.html
+++ b/flask_backend/templates/index.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+	<meta charset="UTF-8">
+	<meta name="viewport" content="width=device-width, initial-scale=1.0">
+	<title>Document</title>
+</head>
+<body>
+	<h1>Upload the </h1>
+	<form action="/manage/John" method="post">
+		<button type="submit">Manage John</button>
+	</form>
+	<form action="/page/Jane" method="post">
+		<button type="submit">Go to Jane's Page</button>
+	</form>
+
+	{{ message }}
+</body>
+</html>