fix: Throw if missing required parameter

codegen/layouts/partials/client-method.hbs

@@ -9,7 +9,12 @@
 {{{rubyDeprecatedDoc this 6}}}
 {{/if}}
       def {{name}}{{#if hasSignature}}({{signatureParams}}){{/if}}
-        {{#if usesRes}}res = {{/if}}@client.post("{{path}}"{{#if hasParams}}, {{bodyParams}}.compact{{/if}})
+{{#if requiresAtLeastOneParameter}}
+        if {{#each parameters}}{{name}}.nil?{{#unless @last}} && {{/unless}}{{/each}}
+          raise TypeError, "At least one parameter is required for {{path}}"
+        end
+
+{{/if}}        {{#if usesRes}}res = {{/if}}@client.post("{{path}}"{{#if hasParams}}, {{bodyParams}}.compact{{/if}})
 {{#if isResource}}
 
         Seam::Resources::{{returnResource}}.load_from_response(res.body["{{returnPath}}"])

codegen/lib/layouts/client.ts

@@ -13,6 +13,7 @@ export interface ClientMethodLayoutContext {
   isDeprecated: boolean
   deprecationMessage: string
   responseDescription: string
+  requiresAtLeastOneParameter: boolean
   parameters: ClientMethod['parameters']
   name: string
   hasSignature: boolean
@@ -64,6 +65,7 @@ const getMethodLayoutContext = (
     isDeprecated: method.isDeprecated,
     deprecationMessage: method.deprecationMessage,
     responseDescription: method.responseDescription,
+    requiresAtLeastOneParameter: method.requiresAtLeastOneParameter,
     parameters: sortedParameters,
     name: methodName,
     hasSignature: signatureParams.length > 0,

codegen/lib/routes.ts

@@ -212,6 +212,9 @@ const createClientMethod = (endpoint: Endpoint): ClientMethod => {
     isDeprecated: endpoint.isDeprecated,
     deprecationMessage: endpoint.deprecationMessage,
     responseDescription: endpoint.response.description,
+    requiresAtLeastOneParameter:
+      endpoint.request.hasRequiredParameters &&
+      endpoint.request.parameters.every(({ isRequired }) => !isRequired),
     path: endpoint.path,
     parameters: endpoint.request.parameters.map((parameter) => ({
       name: parameter.name,

codegen/lib/ruby-client.ts

@@ -18,6 +18,7 @@ export interface ClientMethod {
   isDeprecated: boolean
   deprecationMessage: string
   responseDescription: string
+  requiresAtLeastOneParameter: boolean
   path: string
   parameters: ClientMethodParameter[]
   returnResource: string | null

lib/seam/paginator.rb

@@ -11,6 +11,9 @@ class Paginator
     def initialize(request, params = {})
       raise ArgumentError, "request must be a Method" unless request.is_a?(Method)
       raise ArgumentError, "params must be a Hash" unless params.is_a?(Hash)
+      unless request.parameters.any? { |_, name| name == :page_cursor }
+        raise ArgumentError, "request does not support pagination"
+      end
 
       @request = request
       @params = params.transform_keys(&:to_sym)