utils/github: use paginate_graphql in sponsorships

`sponsorships` has its own implementation of GraphQL pagination. We can
simplify this by using `paginate_graphql` instead.

Library/Homebrew/utils/github.rb

@@ -434,20 +434,13 @@ module GitHub
       )
   }
   def self.sponsorships(user)
-    has_next_page = T.let(true, T::Boolean)
-    after = ""
-    sponsorships = T.let([], T::Array[Hash])
-    errors = T.let([], T::Array[Hash])
-    while has_next_page
     query = <<~EOS
-          { organization(login: "#{user}") {
+        query($user: String, $after: String) { organization(login: $user) {
-            sponsorshipsAsMaintainer(first: 100 #{after}) {
+          sponsorshipsAsMaintainer(first: 100, after: $after) {
             pageInfo {
-                startCursor
               hasNextPage
               endCursor
             }
-              totalCount
             nodes {
               tier {
                 monthlyPriceInDollars
@@ -456,7 +449,6 @@ module GitHub
                 }
               }
               sponsorEntity {
-                  __typename
                 ... on Organization { login name }
                 ... on User { login name }
               }
@@ -465,10 +457,14 @@ module GitHub
         }
       }
     EOS
+
+    sponsorships = T.let([], T::Array[Hash])
+    errors = T.let([], T::Array[Hash])
+
+    API.paginate_graphql(query, variables: { user: }, scopes: ["user"], raise_errors: false) do |result|
       # Some organisations do not permit themselves to be queried through the
       # API like this and raise an error so handle these errors later.
       # This has been reported to GitHub.
-      result = API.open_graphql(query, scopes: ["user"], raise_errors: false)
       errors += result["errors"] if result["errors"].present?
 
       current_sponsorships = result["data"]["organization"]["sponsorshipsAsMaintainer"]
@@ -478,12 +474,7 @@ module GitHub
         sponsorships += nodes
       end
 
-      if (page_info = current_sponsorships["pageInfo"].presence) &&
+      current_sponsorships.fetch("pageInfo")
-         page_info["hasNextPage"].presence
-        after = %Q(, after: "#{page_info["endCursor"]}")
-      else
-        has_next_page = false
-      end
     end
 
     # Only raise errors if we didn't get any sponsorships.

Library/Homebrew/utils/github/api.rb

@@ -350,11 +350,13 @@ module GitHub
       params(
         query:        String,
         variables:    T.nilable(T::Hash[Symbol, T.untyped]),
+        scopes:       T::Array[String],
+        raise_errors: T::Boolean,
         _block:       T.proc.params(data: T::Hash[String, T.untyped]).returns(T::Hash[String, T.untyped]),
       ).void
     }
-    def self.paginate_graphql(query, variables: nil, &_block)
+    def self.paginate_graphql(query, variables: nil, scopes: [].freeze, raise_errors: true, &_block)
-      result = API.open_graphql(query, variables:)
+      result = API.open_graphql(query, variables:, scopes:, raise_errors:)
 
       has_next_page = T.let(true, T::Boolean)
       variables ||= {}
@@ -363,7 +365,7 @@ module GitHub
         has_next_page = page_info["hasNextPage"]
         if has_next_page
           variables[:after] = page_info["endCursor"]
-          result = API.open_graphql(query, variables:)
+          result = API.open_graphql(query, variables:, scopes:, raise_errors:)
         end
       end
     end