fix(ruby): expose static helper [skip-bc] (#4191)

Author: millotp

templates/ruby/search_helpers.mustache

@@ -169,7 +169,7 @@ end
 #
 # @return [String]
 #
-def generate_secured_api_key(parent_api_key, restrictions = {})
+def self.generate_secured_api_key(parent_api_key, restrictions = {})
   restrictions = restrictions.to_hash
   if restrictions.key?(:searchParams)
     # merge searchParams with the root of the restrictions
@@ -186,13 +186,25 @@ def generate_secured_api_key(parent_api_key, restrictions = {})
   Base64.encode64("#{hmac}#{url_encoded_restrictions}").gsub("\n", '')
 end
 
+# Helper: Generates a secured API key based on the given `parent_api_key` and given `restrictions`.
+#
+# @param parent_api_key [String] Parent API key used the generate the secured key
+# @param restrictions [SecuredApiKeyRestrictions] Restrictions to apply on the secured key
+#
+# @return [String]
+#
+def generate_secured_api_key(parent_api_key, restrictions = {})
+  self.class.generate_secured_api_key(parent_api_key, restrictions)
+end
+
+
 # Helper: Retrieves the remaining validity of the previous generated `secured_api_key`, the `validUntil` parameter must have been provided.
 #
 # @param secured_api_key [String]
 #
 # @return [Integer]
 #
-def get_secured_api_key_remaining_validity(secured_api_key)
+def self.get_secured_api_key_remaining_validity(secured_api_key)
   now         = Time.now.to_i
   decoded_key = Base64.decode64(secured_api_key)
   regex       = 'validUntil=(\d+)'
@@ -207,6 +219,16 @@ def get_secured_api_key_remaining_validity(secured_api_key)
   valid_until - now
 end
 
+# Helper: Retrieves the remaining validity of the previous generated `secured_api_key`, the `validUntil` parameter must have been provided.
+#
+# @param secured_api_key [String]
+#
+# @return [Integer]
+#
+def get_secured_api_key_remaining_validity(secured_api_key)
+  self.class.get_secured_api_key_remaining_validity(secured_api_key)
+end
+
 # Helper: Saves the given array of objects in the given index. The `chunked_batch` helper is used under the hood, which creates a `batch` requests with at most 1000 objects in it.
 #
 # @param index_name [String]: The `index_name` to save `objects` in.