fix(specs): support synonyms type in camel case [skip-bc] (#4031)

Author: shortcuts

generators/src/main/java/com/algolia/codegen/AlgoliaJavaGenerator.java

@@ -131,8 +131,7 @@ public static String toEnum(String value) {
     }
 
     if (!value.matches("[A-Z0-9_]+")) {
-      // convert camelCase77String to CAMEL_CASE_77_STRING
-      return value.replaceAll("-", "_").replaceAll("(.+?)([A-Z]|[0-9])", "$1_$2").toUpperCase(Locale.ROOT);
+      return Helpers.toScreamingSnakeCase(value);
     }
 
     return value;

generators/src/main/java/com/algolia/codegen/AlgoliaPythonGenerator.java

@@ -161,4 +161,28 @@ public String toEnumDefaultValue(CodegenProperty property, String value) {
     // always default to None in the client, to let the server handle the default value.
     return "None";
   }
+
+  public static String toEnum(String value) {
+    // we only convert the full lowercase enums as they have a fallback to camelCase enums with the
+    // same name so no BC is introduced
+    if (!value.toLowerCase().equals(value)) {
+      // special edge case for onewaysynonym because there's no way to distinguish the two at the
+      // generation level
+      if (value.equals("'oneWaySynonym'")) {
+        return Helpers.toSnakeCase(value);
+      }
+      return value;
+    }
+    return Helpers.toScreamingSnakeCase(value);
+  }
+
+  @Override
+  public String toEnumVariableName(String value, String datatype) {
+    return super.toEnumVariableName(toEnum(value), datatype);
+  }
+
+  @Override
+  public String toEnumVarName(String value, String datatype) {
+    return super.toEnumVarName(toEnum(value), datatype);
+  }
 }

generators/src/main/java/com/algolia/codegen/utils/Helpers.java

@@ -41,6 +41,16 @@ public static String camelize(String kebabStr) {
     return camel;
   }
 
+  // convert camelCase77String to CAMEL_CASE_77_STRING
+  public static String toScreamingSnakeCase(String camelCase) {
+    return camelCase
+      .replaceAll("-", "_")
+      .replaceAll("/", "_")
+      .replaceAll("(?<=.)([A-Z]+|\\d+)", "_$1")
+      .replaceAll("__", "_")
+      .toUpperCase(Locale.ROOT);
+  }
+
   /**
    * Will add the boolean `vendorExtensions.x-is-custom-request` to operations if they should not
    * escape '/' in the path variable

specs/search/paths/synonyms/common/parameters.yml

@@ -30,6 +30,9 @@ SynonymType:
     - altcorrection1
     - altcorrection2
     - placeholder
+    - oneWaySynonym
+    - altCorrection1
+    - altCorrection2
 
 ObjectID:
   name: objectID