115 lines
3.9 KiB
Python
115 lines
3.9 KiB
Python
import arrow
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from flask import render_template, flash, redirect, url_for, request
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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 PADDLE_VENDOR_ID, PADDLE_COUPON_ID
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from app.dashboard.base import dashboard_bp
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from app.db import Session
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from app.log import LOG
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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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LifetimeCoupon,
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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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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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if LifetimeCoupon.get_by(code=code):
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LOG.d("redirect %s to lifetime page instead", current_user)
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flash("Redirect to the lifetime coupon page instead", "success")
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return redirect(url_for("dashboard.lifetime_licence"))
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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_paddle_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 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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if coupon.expires_date and coupon.expires_date < arrow.now():
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flash(
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f"The coupon was expired on {coupon.expires_date.humanize()}",
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"error",
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)
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return redirect(request.url)
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coupon.used_by_user_id = current_user.id
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coupon.used = True
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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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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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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(
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"dashboard/coupon.html",
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coupon_form=coupon_form,
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PADDLE_VENDOR_ID=PADDLE_VENDOR_ID,
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PADDLE_COUPON_ID=PADDLE_COUPON_ID,
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can_use_coupon=can_use_coupon,
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# a coupon is only valid until this date
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# this is to avoid using the coupon to renew an account forever
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max_coupon_date=arrow.now().shift(years=1, days=-1),
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)
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