Add v0.0.9 billing dashboard

VERSION

@@ -1 +1 @@
-0.0.8
+0.0.9

backend/app.py

@@ -10,14 +10,39 @@ app = Flask(
 
 @app.route("/")
 def index():
-    return """
+    conn = get_db_connection()
-    <h1>OTB Billing</h1>
+    cursor = conn.cursor(dictionary=True)
-    <p>Version 0.0.8</p>
+
-    <p><a href="/clients">Clients</a></p>
+    cursor.execute("SELECT COUNT(*) AS total_clients FROM clients")
-    <p><a href="/services">Services</a></p>
+    total_clients = cursor.fetchone()["total_clients"]
-    <p><a href="/invoices">Invoices</a></p>
+
-    <p><a href="/dbtest">DB Test</a></p>
+    cursor.execute("SELECT COUNT(*) AS active_services FROM services WHERE status = 'active'")
-    """
+    active_services = cursor.fetchone()["active_services"]
+
+    cursor.execute("""
+        SELECT COUNT(*) AS outstanding_invoices
+        FROM invoices
+        WHERE status IN ('pending', 'partial', 'overdue')
+    """)
+    outstanding_invoices = cursor.fetchone()["outstanding_invoices"]
+
+    cursor.execute("""
+        SELECT COALESCE(SUM(payment_amount), 0) AS revenue_received
+        FROM payments
+        WHERE payment_status = 'confirmed'
+          AND payment_currency = 'CAD'
+    """)
+    revenue_received = cursor.fetchone()["revenue_received"]
+
+    conn.close()
+
+    return render_template(
+        "dashboard.html",
+        total_clients=total_clients,
+        active_services=active_services,
+        outstanding_invoices=outstanding_invoices,
+        revenue_received=revenue_received,
+    )
 
 @app.route("/dbtest")
 def dbtest():
@@ -201,5 +226,99 @@ def new_invoice():
         form_data={},
     )
 
+@app.route("/clients/new", methods=["GET", "POST"])
+def new_client():
+    if request.method == "POST":
+        company_name = request.form["company_name"]
+        contact_name = request.form["contact_name"]
+        email = request.form["email"]
+        phone = request.form["phone"]
+
+        conn = get_db_connection()
+        cursor = conn.cursor(dictionary=True)
+        cursor.execute("SELECT MAX(id) AS last_id FROM clients")
+        result = cursor.fetchone()
+        last_number = result["last_id"] if result["last_id"] else 0
+
+        client_code = generate_client_code(company_name, last_number)
+
+        cursor = conn.cursor()
+        cursor.execute(
+            """
+            INSERT INTO clients
+            (client_code, company_name, contact_name, email, phone)
+            VALUES (%s, %s, %s, %s, %s)
+            """,
+            (client_code, company_name, contact_name, email, phone)
+        )
+        conn.commit()
+        conn.close()
+
+        return redirect("/clients")
+
+    return render_template("clients/new.html")
+
+@app.route("/services/new", methods=["GET", "POST"])
+def new_service():
+    conn = get_db_connection()
+    cursor = conn.cursor(dictionary=True)
+
+    if request.method == "POST":
+        client_id = request.form["client_id"]
+        service_name = request.form["service_name"]
+        service_type = request.form["service_type"]
+        billing_cycle = request.form["billing_cycle"]
+        currency_code = request.form["currency_code"]
+        recurring_amount = request.form["recurring_amount"]
+        status = request.form["status"]
+        start_date = request.form["start_date"] or None
+        description = request.form["description"]
+
+        cursor.execute("SELECT MAX(id) AS last_id FROM services")
+        result = cursor.fetchone()
+        last_number = result["last_id"] if result["last_id"] else 0
+        service_code = generate_service_code(service_name, last_number)
+
+        insert_cursor = conn.cursor()
+        insert_cursor.execute(
+            """
+            INSERT INTO services
+            (
+                client_id,
+                service_code,
+                service_name,
+                service_type,
+                billing_cycle,
+                status,
+                currency_code,
+                recurring_amount,
+                start_date,
+                description
+            )
+            VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s)
+            """,
+            (
+                client_id,
+                service_code,
+                service_name,
+                service_type,
+                billing_cycle,
+                status,
+                currency_code,
+                recurring_amount,
+                start_date,
+                description
+            )
+        )
+        conn.commit()
+        conn.close()
+
+        return redirect("/services")
+
+    cursor.execute("SELECT id, client_code, company_name FROM clients ORDER BY company_name ASC")
+    clients = cursor.fetchall()
+    conn.close()
+    return render_template("services/new.html", clients=clients)
+
 if __name__ == "__main__":
     app.run(host="0.0.0.0", port=5050)

templates/dashboard.html

@@ -0,0 +1,31 @@
+<!doctype html>
+<html>
+<head>
+<title>OTB Billing Dashboard</title>
+</head>
+<body>
+
+<h1>OTB Billing Dashboard</h1>
+
+<p><a href="/clients">Clients</a></p>
+<p><a href="/services">Services</a></p>
+<p><a href="/invoices">Invoices</a></p>
+<p><a href="/dbtest">DB Test</a></p>
+
+<table border="1" cellpadding="10">
+<tr>
+    <th>Total Clients</th>
+    <th>Active Services</th>
+    <th>Outstanding Invoices</th>
+    <th>Revenue Received (CAD)</th>
+</tr>
+<tr>
+    <td>{{ total_clients }}</td>
+    <td>{{ active_services }}</td>
+    <td>{{ outstanding_invoices }}</td>
+    <td>{{ revenue_received }}</td>
+</tr>
+</table>
+
+</body>
+</html>