def lifetime_licence():
# sanity check: make sure this page is only for free user
if current_user.is_premium():
flash("You are already a premium user", "warning")
return redirect(url_for("dashboard.index"))
coupon_form = CouponForm()
if coupon_form.validate_on_submit():
code = coupon_form.code.data
coupon = LifetimeCoupon.get_by(code=code)
if coupon and coupon.nb_used > 0:
coupon.nb_used -= 1
current_user.lifetime = True
db.session.commit()
# notify admin
send_email(
ADMIN_EMAIL,
subject=f"User {current_user.id} used lifetime coupon. Coupon nb_used: {coupon.nb_used}",
plaintext="",
html="",
)
flash("You are upgraded to lifetime premium!", "success")
return redirect(url_for("dashboard.index"))
else:
flash(f"Code *{code}* expired or invalid", "warning")
return render_template("dashboard/lifetime_licence.html", coupon_form=coupon_form)
def lifetime_licence():
if current_user.lifetime:
flash("You already have a lifetime licence", "warning")
return redirect(url_for("dashboard.index"))
# user needs to cancel active subscription first
# to avoid being charged
sub = current_user.get_subscription()
if sub and not sub.cancelled:
flash("Please cancel your current subscription first", "warning")
return redirect(url_for("dashboard.index"))
coupon_form = CouponForm()
if coupon_form.validate_on_submit():
code = coupon_form.code.data
coupon: LifetimeCoupon = LifetimeCoupon.get_by(code=code)
if coupon and coupon.nb_used > 0:
coupon.nb_used -= 1
current_user.lifetime = True
if coupon.paid:
current_user.paid_lifetime = True
db.session.commit()
# notify admin
send_email(
ADMIN_EMAIL,
subject=
f"User {current_user} used lifetime coupon. Coupon nb_used: {coupon.nb_used}",
plaintext="",
html="",
)
flash("You are upgraded to lifetime premium!", "success")
return redirect(url_for("dashboard.index"))
else:
flash(f"Code *{code}* expired or invalid", "warning")
return render_template("dashboard/lifetime_licence.html",
coupon_form=coupon_form)
def coupon_route():
coupon_form = CouponForm()
if coupon_form.validate_on_submit():
code = coupon_form.code.data
if LifetimeCoupon.get_by(code=code):
LOG.d("redirect %s to lifetime page instead", current_user)
flash("Redirect to the lifetime coupon page instead", "success")
return redirect(url_for("dashboard.lifetime_licence"))
# handle case user already has an active subscription via another channel (Paddle, Apple, etc)
can_use_coupon = True
if current_user.lifetime:
can_use_coupon = False
sub: Subscription = current_user.get_subscription()
if sub:
can_use_coupon = False
apple_sub: AppleSubscription = AppleSubscription.get_by(
user_id=current_user.id)
if apple_sub and apple_sub.is_valid():
can_use_coupon = False
coinbase_subscription: CoinbaseSubscription = CoinbaseSubscription.get_by(
user_id=current_user.id)
if coinbase_subscription and coinbase_subscription.is_active():
can_use_coupon = False
if coupon_form.validate_on_submit():
code = coupon_form.code.data
coupon: Coupon = Coupon.get_by(code=code)
if coupon and not coupon.used:
if coupon.expires_date and coupon.expires_date < arrow.now():
flash(
f"The coupon was expired on {coupon.expires_date.humanize()}",
"error",
)
return redirect(request.url)
coupon.used_by_user_id = current_user.id
coupon.used = True
Session.commit()
manual_sub: ManualSubscription = ManualSubscription.get_by(
user_id=current_user.id)
if manual_sub:
# renew existing subscription
if manual_sub.end_at > arrow.now():
manual_sub.end_at = manual_sub.end_at.shift(
years=coupon.nb_year)
else:
manual_sub.end_at = arrow.now().shift(years=coupon.nb_year,
days=1)
Session.commit()
flash(
f"Your current subscription is extended to {manual_sub.end_at.humanize()}",
"success",
)
else:
ManualSubscription.create(
user_id=current_user.id,
end_at=arrow.now().shift(years=coupon.nb_year, days=1),
comment="using coupon code",
is_giveaway=coupon.is_giveaway,
commit=True,
)
flash(
f"Your account has been upgraded to Premium, thanks for your support!",
"success",
)
# notify admin
if coupon.is_giveaway:
subject = f"User {current_user} applies a (free) coupon"
else:
subject = f"User {current_user} applies a (paid, {coupon.comment or ''}) coupon"
send_email(
ADMIN_EMAIL,
subject=subject,
plaintext="",
html="",
)
return redirect(url_for("dashboard.index"))
else:
flash(f"Code *{code}* expired or invalid", "warning")
return render_template(
"dashboard/coupon.html",
coupon_form=coupon_form,
PADDLE_VENDOR_ID=PADDLE_VENDOR_ID,
PADDLE_COUPON_ID=PADDLE_COUPON_ID,
can_use_coupon=can_use_coupon,
# a coupon is only valid until this date
# this is to avoid using the coupon to renew an account forever
max_coupon_date=arrow.now().shift(years=1, days=-1),
)