| 1 | # frozen_string_literal: true |
| 2 | |
| 3 | # siGit's Stripe integration for siGit Code Pro/Team. Stripe is the source of |
| 4 | # truth; we cache plan + status into Subscription so the cloud gate decides |
| 5 | # without a Stripe round-trip. Entirely separate from Onde Inference's billing. |
| 6 | class StripeService |
| 7 | # Our plan → the Stripe price lookup_key (prices created in Stripe). |
| 8 | PRICE_LOOKUP_KEYS = { |
| 9 | "pro" => "sigit_code_pro_monthly", |
| 10 | "team" => "sigit_code_team_monthly" |
| 11 | }.freeze |
| 12 | |
| 13 | # Free-trial length for new subscriptions. Card is collected at checkout and |
| 14 | # Stripe auto-converts to paid when the trial ends. Tunable GTM knob. |
| 15 | TRIAL_DAYS = 14 |
| 16 | |
| 17 | # A subscription's price lookup_key → our plan. |
| 18 | PLAN_BY_LOOKUP_KEY = { |
| 19 | "sigit_code_pro_monthly" => :pro, |
| 20 | "sigit_code_team_monthly" => :team |
| 21 | }.freeze |
| 22 | |
| 23 | # Stripe subscription status → our Subscription status enum. |
| 24 | STATUS_MAP = { |
| 25 | "active" => :active, |
| 26 | "trialing" => :trialing, |
| 27 | "past_due" => :past_due, |
| 28 | "unpaid" => :past_due, |
| 29 | "canceled" => :canceled, |
| 30 | "incomplete_expired" => :canceled, |
| 31 | "incomplete" => :incomplete, |
| 32 | "paused" => :incomplete |
| 33 | }.freeze |
| 34 | |
| 35 | class << self |
| 36 | def configured? |
| 37 | secret_key.present? |
| 38 | end |
| 39 | |
| 40 | # Stripe secret key — from Rails credentials (`stripe.secret_key`), falling |
| 41 | # back to ENV for local dev. Rotating the key in Stripe revokes the old one, |
| 42 | # so keep this value current or Checkout fails with "Expired API Key". |
| 43 | def secret_key |
| 44 | Rails.application.credentials.dig(:stripe, :secret_key).presence || |
| 45 | ENV["STRIPE_SECRET_KEY"].presence |
| 46 | end |
| 47 | |
| 48 | # Webhook signing secret, same credentials-then-ENV resolution. |
| 49 | def webhook_secret |
| 50 | Rails.application.credentials.dig(:stripe, :webhook_secret).presence || |
| 51 | ENV["STRIPE_WEBHOOK_SECRET"].presence |
| 52 | end |
| 53 | |
| 54 | # Create a Checkout session for a user + plan; returns the redirect URL. |
| 55 | def checkout_url(user:, plan:, success_url:, cancel_url:) |
| 56 | price_id = price_id_for(plan) |
| 57 | raise ArgumentError, "Unknown plan #{plan}" unless price_id |
| 58 | |
| 59 | existing_customer = user.subscription&.stripe_customer_id |
| 60 | |
| 61 | session = Stripe::Checkout::Session.create({ |
| 62 | mode: "subscription", |
| 63 | line_items: [ { price: price_id, quantity: 1 } ], |
| 64 | client_reference_id: user.id.to_s, |
| 65 | customer: existing_customer, |
| 66 | customer_email: existing_customer ? nil : user.email, |
| 67 | allow_promotion_codes: true, |
| 68 | success_url: success_url, |
| 69 | cancel_url: cancel_url, |
| 70 | metadata: { user_id: user.id.to_s }, |
| 71 | subscription_data: { |
| 72 | metadata: { user_id: user.id.to_s }, |
| 73 | trial_period_days: TRIAL_DAYS |
| 74 | } |
| 75 | }.compact) |
| 76 | |
| 77 | session.url |
| 78 | end |
| 79 | |
| 80 | # Create a Billing Portal session for a user; returns the URL. nil when the |
| 81 | # user has no Stripe customer yet (never subscribed). |
| 82 | def portal_url(user:, return_url:) |
| 83 | customer = user.subscription&.stripe_customer_id |
| 84 | return nil unless customer |
| 85 | |
| 86 | Stripe::BillingPortal::Session.create(customer: customer, return_url: return_url).url |
| 87 | end |
| 88 | |
| 89 | # Verify + parse a webhook payload into a Stripe::Event. |
| 90 | def construct_event(payload, signature_header) |
| 91 | secret = webhook_secret or raise KeyError, "Missing Stripe webhook secret" |
| 92 | Stripe::Webhook.construct_event(payload, signature_header, secret) |
| 93 | end |
| 94 | |
| 95 | # Upsert the local Subscription from a Stripe subscription object. Returns the |
| 96 | # Subscription, or nil when the subscription isn't attributable to a user. |
| 97 | def sync_subscription(stripe_subscription) |
| 98 | user_id = stripe_subscription.metadata && stripe_subscription.metadata["user_id"] |
| 99 | user = User.find_by(id: user_id) |
| 100 | return nil unless user |
| 101 | |
| 102 | price = stripe_subscription.items&.data&.first&.price |
| 103 | plan = PLAN_BY_LOOKUP_KEY[price&.lookup_key] || :free |
| 104 | status = STATUS_MAP[stripe_subscription.status] || :incomplete |
| 105 | period_end = stripe_subscription.current_period_end |
| 106 | |
| 107 | subscription = user.subscription || user.build_subscription |
| 108 | subscription.update!( |
| 109 | plan: plan, |
| 110 | status: status, |
| 111 | stripe_customer_id: stripe_subscription.customer, |
| 112 | stripe_subscription_id: stripe_subscription.id, |
| 113 | current_period_end: period_end ? Time.at(period_end) : nil |
| 114 | ) |
| 115 | subscription |
| 116 | end |
| 117 | |
| 118 | private |
| 119 | |
| 120 | def price_id_for(plan) |
| 121 | lookup_key = PRICE_LOOKUP_KEYS[plan.to_s] |
| 122 | return nil unless lookup_key |
| 123 | |
| 124 | Stripe::Price.list(lookup_keys: [ lookup_key ], active: true, limit: 1).data.first&.id |
| 125 | end |
| 126 | end |
| 127 | end |