Paypal (#41)

* Implement Titan Tokens clientside

* Titan Tokens can be modified in the admin panel

webapp/titanembeds/blueprints/user/user.py

@@ -1,10 +1,12 @@
 from flask import Blueprint, request, redirect, jsonify, abort, session, url_for, render_template
+from flask import current_app as app
 from config import config
 from titanembeds.decorators import discord_users_only
-from titanembeds.database import db, Guilds, UnauthenticatedUsers, UnauthenticatedBans, Cosmetics, UserCSS
+from titanembeds.database import db, Guilds, UnauthenticatedUsers, UnauthenticatedBans, Cosmetics, UserCSS, set_titan_token, get_titan_token
 from titanembeds.oauth import authorize_url, token_url, make_authenticated_session, get_current_authenticated_user, get_user_managed_servers, check_user_can_administrate_guild, check_user_permission, generate_avatar_url, generate_guild_icon_url, generate_bot_invite_url
 import time
 import datetime
+import paypalrestsdk
 
 user = Blueprint("user", __name__)
 
@@ -70,7 +72,10 @@ def dashboard():
     css_list = None
     if cosmetics and cosmetics.css:
         css_list = db.session.query(UserCSS).filter(UserCSS.user_id == session['user_id']).all()
-    return render_template("dashboard.html.j2", servers=guilds, icon_generate=generate_guild_icon_url, cosmetics=cosmetics, css_list=css_list)
+    tokens = get_titan_token(session["user_id"])
+    if tokens == -1:
+        tokens = 0
+    return render_template("dashboard.html.j2", servers=guilds, icon_generate=generate_guild_icon_url, cosmetics=cosmetics, css_list=css_list, tokens=tokens)
 
 @user.route("/custom_css/new", methods=["GET"])
 @discord_users_only()
@@ -322,3 +327,69 @@ def revoke_unauthenticated_user():
         abort(409)
     db_user.revokeUser()
     return ('', 204)
+
+@user.route('/donate', methods=["GET"])
+@discord_users_only()
+def donate_get():
+    return render_template('donate.html.j2')
+
+def get_paypal_api():
+    return paypalrestsdk.Api({
+        'mode': 'sandbox' if app.config["DEBUG"] else 'live',
+        'client_id': config["paypal-client-id"],
+        'client_secret': config["paypal-client-secret"]})
+
+@user.route('/donate', methods=['POST'])
+@discord_users_only()
+def donate_post():
+    donation_amount = request.form.get('amount')
+    if not donation_amount:
+        abort(402)
+
+    donation_amount = "{0:.2f}".format(float(donation_amount))
+    payer = {"payment_method": "paypal"}
+    items = [{"name": "TitanEmbeds Donation",
+              "price": donation_amount,
+              "currency": "USD",
+              "quantity": "1"}]
+    amount = {"total": donation_amount,
+              "currency": "USD"}
+    description = "Donate and support TitanEmbeds development."
+    redirect_urls = {"return_url": url_for('user.donate_confirm', success="true", _external=True),
+                     "cancel_url": url_for('index', _external=True)}
+    payment = paypalrestsdk.Payment({"intent": "sale",
+                                     "payer": payer,
+                                     "redirect_urls": redirect_urls,
+                                     "transactions": [{"item_list": {"items":
+                                                                     items},
+                                                       "amount": amount,
+                                                       "description":
+                                                       description}]}, api=get_paypal_api())
+    if payment.create():
+        for link in payment.links:
+            if link['method'] == "REDIRECT":
+                return redirect(link["href"])
+    return redirect(url_for('index'))
+    
+@user.route("/donate/confirm")
+@discord_users_only()
+def donate_confirm():
+    if not request.args.get('success'):
+        return redirect(url_for('index'))
+    payment = paypalrestsdk.Payment.find(request.args.get('paymentId'), api=get_paypal_api())
+    if payment.execute({"payer_id": request.args.get('PayerID')}):
+        trans_id = str(payment.transactions[0]["related_resources"][0]["sale"]["id"])
+        amount = float(payment.transactions[0]["amount"]["total"])
+        tokens = int(amount * 100)
+        action = "PAYPAL {}".format(trans_id)
+        set_titan_token(session["user_id"], tokens, action)
+        return redirect(url_for('user.donate_thanks', transaction=trans_id))
+    else:
+        return redirect(url_for('index'))
+
+@user.route("/donate/thanks")
+@discord_users_only()
+def donate_thanks():
+    tokens = get_titan_token(session["user_id"])
+    transaction = request.args.get("transaction")
+    return render_template("donate_thanks.html.j2", tokens=tokens, transaction=transaction)