add web ui@

SE4CPS · Feb 5, 2025 · b7218e0 · b7218e0
1 parent 00e27e0
commit b7218e0
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Showing 3 changed files with 88 additions and 5 deletions.
diff --git a/dms/index.html b/dms/index.html
@@ -3242,11 +3242,11 @@ <h5>PostgreSQL: A Timeline</h5>
         <section>
           <h5>Why Was PostgreSQL Invented?</h5>
           <ul>
-            <li><strong>Ingres Limitations:</strong> Lacked extensibility and support for complex data types.</li>
-            <li><strong>Advanced Data Needs:</strong> Required better handling of objects and relationships.</li>
-            <li><strong>Scalability:</strong> Needed a more flexible and efficient query engine.</li>
-            <li><strong>ACID Compliance:</strong> Improved transaction reliability and consistency.</li>
-            <li><strong>Open-Source Model:</strong> Encouraged community contributions and innovation.</li>
+            <li><strong>Ingres Limitations:</strong> Lacked extensibility and support for complex data types</li>
+            <li><strong>Advanced Data Needs:</strong> Required better handling of objects and relationships</li>
+            <li><strong>Scalability:</strong> Needed a more flexible and efficient query engine</li>
+            <li><strong>ACID Compliance:</strong> Improved transaction reliability and consistency</li>
+            <li><strong>Open-Source Model:</strong> Encouraged community contributions and innovation</li>
           </ul>
         </section>        
 

diff --git a/dms/postgress-webserver.py b/dms/postgress-webserver.py
@@ -0,0 +1,54 @@
+from flask import Flask, render_template, request, redirect
+import psycopg2
+
+app = Flask(__name__)
+DATABASE_URL = "postgresql://neondb_owner:npg_M5sVheSzQLv4@ep-shrill-tree-a819xf7v-pooler.eastus2.azure.neon.tech/neondb?sslmode=require"
+
+def get_db_connection():
+    return psycopg2.connect(DATABASE_URL)
+
+@app.route('/')
+def index():
+    return '''
+    <h2>Flower Shop Management</h2>
+    <button onclick="location.href='/flowers'">Manage Flowers</button>
+    <button onclick="location.href='/customers'">Manage Customers</button>
+    <button onclick="location.href='/orders'">Manage Orders</button>
+    '''
+
+@app.route('/flowers')
+def manage_flowers():
+    conn = get_db_connection()
+    cur = conn.cursor()
+    cur.execute("SELECT * FROM flowers")
+    flowers = cur.fetchall()
+    cur.close()
+    conn.close()
+    return render_template('flowers.html', flowers=flowers)
+
+@app.route('/add_flower', methods=['POST'])
+def add_flower():
+    name = request.form['name']
+    color = request.form['color']
+    price = request.form['price']
+    stock = request.form['stock']
+    conn = get_db_connection()
+    cur = conn.cursor()
+    cur.execute("INSERT INTO flowers (name, color, price, stock) VALUES (%s, %s, %s, %s)", (name, color, price, stock))
+    conn.commit()
+    cur.close()
+    conn.close()
+    return redirect('/flowers')
+
+@app.route('/delete_flower/<int:flower_id>')
+def delete_flower(flower_id):
+    conn = get_db_connection()
+    cur = conn.cursor()
+    cur.execute("DELETE FROM flowers WHERE flower_id = %s", (flower_id,))
+    conn.commit()
+    cur.close()
+    conn.close()
+    return redirect('/flowers')
+
+if __name__ == '__main__':
+    app.run(debug=True)
diff --git a/dms/templates/flowers.html b/dms/templates/flowers.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Flower Shop</title>
+</head>
+<body>
+    <h2>Flower Management</h2>
+
+    <form action="/add_flower" method="post">
+        <input type="text" name="name" placeholder="Flower Name" required>
+        <input type="text" name="color" placeholder="Color">
+        <input type="number" name="price" placeholder="Price" required>
+        <input type="number" name="stock" placeholder="Stock" required>
+        <button type="submit">Add Flower</button>
+    </form>
+
+    <h3>Available Flowers</h3>
+    <ul>
+        {% for flower in flowers %}
+            <li>
+                {{ flower.name }} ({{ flower.color }}) - ${{ flower.price }} | Stock: {{ flower.stock }}
+                <a href="/delete_flower/{{ flower.flower_id }}">Delete</a>
+            </li>
+        {% endfor %}
+    </ul>
+</body>
+</html>