mirror of
https://github.com/simple-login/app.git
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106 lines
3.5 KiB
Python
106 lines
3.5 KiB
Python
import arrow
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from flask import render_template, flash, redirect, url_for
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from flask_login import login_required, current_user
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from flask_wtf import FlaskForm
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from wtforms import StringField, validators
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from app.config import ADMIN_EMAIL
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from app.dashboard.base import dashboard_bp
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from app.email_utils import send_email
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from app.extensions import db
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from app.models import (
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ManualSubscription,
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Coupon,
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Subscription,
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AppleSubscription,
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CoinbaseSubscription,
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)
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class CouponForm(FlaskForm):
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code = StringField("Coupon Code", validators=[validators.DataRequired()])
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@dashboard_bp.route("/coupon", methods=["GET", "POST"])
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@login_required
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def coupon_route():
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# handle case user already has an active subscription via another channel (Paddle, Apple, etc)
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can_use_coupon = True
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if current_user.lifetime:
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can_use_coupon = False
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sub: Subscription = current_user.get_subscription()
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if sub:
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can_use_coupon = False
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apple_sub: AppleSubscription = AppleSubscription.get_by(user_id=current_user.id)
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if apple_sub and apple_sub.is_valid():
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can_use_coupon = False
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coinbase_subscription: CoinbaseSubscription = CoinbaseSubscription.get_by(
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user_id=current_user.id
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)
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if coinbase_subscription and coinbase_subscription.is_active():
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can_use_coupon = False
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if not can_use_coupon:
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flash("You already have another subscription.", "warning")
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return redirect(url_for("dashboard.index"))
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coupon_form = CouponForm()
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if coupon_form.validate_on_submit():
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code = coupon_form.code.data
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coupon: Coupon = Coupon.get_by(code=code)
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if coupon and not coupon.used:
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coupon.used_by_user_id = current_user.id
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coupon.used = True
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db.session.commit()
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manual_sub: ManualSubscription = ManualSubscription.get_by(
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user_id=current_user.id
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)
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if manual_sub:
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# renew existing subscription
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if manual_sub.end_at > arrow.now():
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manual_sub.end_at = manual_sub.end_at.shift(years=coupon.nb_year)
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else:
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manual_sub.end_at = arrow.now().shift(years=coupon.nb_year, days=1)
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db.session.commit()
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flash(
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f"Your current subscription is extended to {manual_sub.end_at.humanize()}",
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"success",
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)
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else:
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ManualSubscription.create(
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user_id=current_user.id,
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end_at=arrow.now().shift(years=coupon.nb_year, days=1),
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comment="using coupon code",
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is_giveaway=coupon.is_giveaway,
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commit=True,
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)
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flash(
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f"Your account has been upgraded to Premium, thanks for your support!",
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"success",
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)
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# notify admin
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if coupon.is_giveaway:
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subject = f"User {current_user} applies a (free) coupon"
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else:
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subject = f"User {current_user} applies a (paid) coupon"
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send_email(
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ADMIN_EMAIL,
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subject=subject,
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plaintext="",
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html="",
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)
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return redirect(url_for("dashboard.index"))
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else:
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flash(f"Code *{code}* expired or invalid", "warning")
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return render_template("dashboard/coupon.html", coupon_form=coupon_form)
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