Payments/subscriptions support (#943)

* [wip] Payments/subscriptions support

* finish

* working payment flow

* finish subscriptions, lint, clippy, etc

* docker compose

src/routes/mod.rs

@@ -131,6 +131,8 @@ pub enum ApiError {
     NotFound,
     #[error("You are being rate-limited. Please wait {0} milliseconds. 0/{1} remaining.")]
     RateLimitError(u128, u32),
+    #[error("Error while interacting with payment processor: {0}")]
+    Stripe(#[from] stripe::StripeError),
 }
 
 impl ApiError {
@@ -163,6 +165,7 @@ impl ApiError {
                 ApiError::Zip(..) => "zip_error",
                 ApiError::Io(..) => "io_error",
                 ApiError::RateLimitError(..) => "ratelimit_error",
+                ApiError::Stripe(..) => "stripe_error",
             },
             description: self.to_string(),
         }
@@ -198,6 +201,7 @@ impl actix_web::ResponseError for ApiError {
             ApiError::Zip(..) => StatusCode::BAD_REQUEST,
             ApiError::Io(..) => StatusCode::BAD_REQUEST,
             ApiError::RateLimitError(..) => StatusCode::TOO_MANY_REQUESTS,
+            ApiError::Stripe(..) => StatusCode::FAILED_DEPENDENCY,
         }
     }