Add support for invoices

fosspay/blueprints/html.py

@@ -295,3 +295,10 @@ def cancel(id):
     db.commit()
     send_cancellation_notice(user, donation)
     return redirect("/panel")
+
+@html.route("/invoice/<id>")
+def invoice(id):
+    invoice = Invoice.query.filter(Invoice.external_id == id).first()
+    if not invoice:
+        abort(404)
+    return render_template("invoice.html", invoice=invoice)

fosspay/objects.py

@@ -8,6 +8,7 @@ from .database import Base
 from datetime import datetime
 from enum import Enum
 import bcrypt
+import binascii
 import os
 import hashlib
 
@@ -99,3 +100,15 @@ class Project(Base):
 
     def __repr__(self):
         return "<Project {} {}>".format(self.id, self.name)
+
+class Invoice(Base):
+    __tablename__ = 'invoices'
+    id = Column(Integer, primary_key=True)
+    created = Column(DateTime, nullable=False)
+    external_id = Column(String(16), index=True)
+    amount = Column(Integer, nullable=False)
+    comment = Column(String(512), nullable=False)
+
+    def __init__(self):
+        self.external_id = binascii.hexlify(os.urandom(8)).decode()
+        self.created = datetime.now()

invoice

@@ -0,0 +1,20 @@
+#!/usr/bin/env python3
+from fosspay.database import db
+from fosspay.objects import Invoice
+from fosspay.config import _cfg
+import sys
+
+if len(sys.argv) != 3:
+    print(f"Usage: {sys.argv[0]} <amount in cents> <comment>")
+    sys.exit(1)
+
+amount = int(sys.argv[1])
+comment = sys.argv[2]
+
+invoice = Invoice()
+invoice.amount = amount
+invoice.comment = comment
+db.add(invoice)
+db.commit()
+
+print(f"{_cfg('protocol')}://{_cfg('domain')}/invoice/{invoice.external_id}")

templates/invoice.html

@@ -0,0 +1,60 @@
+{% extends "layout.html" %}
+{% block scripts %}
+<script>
+window.stripe_key = "{{ _cfg("stripe-publish") }}";
+window.your_name = "{{ _cfg("your-name") }}";
+window.amount = {{invoice.amount}};
+window.invoice = "{{invoice.external_id}}";
+window.comment = "{{invoice.comment}}";
+const currency = "{{ _cfg("currency") }}";
+</script>
+<script src="//checkout.stripe.com/checkout.js"></script>
+<script src="../static/invoice.js"></script>
+{% endblock %}
+{% block body %} 
+<div class="well">
+    <div class="container">
+        <div class="row">
+            <div class="col-md-8 col-md-offset-2">
+              <h1>Invoice to {{ _cfg("your-name") }}</h1>
+            </div>
+        </div>
+    </div>
+</div>
+<noscript>
+  <div class="container">
+    <div class="alert alert-danger">
+      <p>This page requires Javascript. It's necessary to send your credit card number to
+      <a href="https://stripe.com/">Stripe</a> directly.</p>
+    </div>
+  </div>
+</noscript>
+<div class="container text-center hidden" id="thanks">
+  <p>Thank you for your payment - it has been processed successfully.</p>
+</div>
+<div class="container text-center" id="donation-stuff">
+  <h3>Invoice for ${{"{:.2f}".format(invoice.amount / 100)}}</h3>
+  <div class="row">
+    <div class="col-md-4 col-md-offset-4">
+      <p>
+        {{invoice.comment}}
+      </p>
+    </div>
+  </div>
+  <div class="row">
+    <div class="col-md-4 col-md-offset-4">
+      <div class="alert alert-danger hidden" id="errors"><p></p></div>
+      <button class="btn btn-block btn-success" id="submit">
+        Submit Payment
+      </button>
+    </div>
+  </div>
+</div>
+<div class="container text-center">
+  <p>
+    <small class="text-muted">
+      Powered by <a href="https://github.com/SirCmpwn/fosspay">fosspay</a>.
+    </small>
+  </p>
+</div>
+{% endblock %}