Function buildMergedSchemaObject

src/Controllers/SchemaController.js:1507–1540

(existingFields: SchemaFields, putRequest: any)

// to mongoSchemaFromFieldsAndClassName. No validation is done here, it
// is done in mongoSchemaFromFieldsAndClassName.
function buildMergedSchemaObject(existingFields: SchemaFields, putRequest: any): SchemaFields {
  const newSchema = {};
  // @flow-disable-next
  const sysSchemaField =
    Object.keys(defaultColumns).indexOf(existingFields._id) === -1
      ? []
      : Object.keys(defaultColumns[existingFields._id]);
  for (const oldField in existingFields) {
    if (
      oldField !== '_id' &&
      oldField !== 'ACL' &&
      oldField !== 'updatedAt' &&
      oldField !== 'createdAt' &&
      oldField !== 'objectId'
    ) {
      if (sysSchemaField.length > 0 && sysSchemaField.indexOf(oldField) !== -1) {
        continue;
      }
      const fieldIsDeleted = putRequest[oldField] && putRequest[oldField].__op === 'Delete';
      if (!fieldIsDeleted) {
        newSchema[oldField] = existingFields[oldField];
      }
    }
  }
  for (const newField in putRequest) {
    if (newField !== 'objectId' && putRequest[newField].__op !== 'Delete') {
      if (sysSchemaField.length > 0 && sysSchemaField.indexOf(newField) !== -1) {
        continue;
      }
      newSchema[newField] = putRequest[newField];
    }
  }
  return newSchema;
}

// Given a schema promise, construct another schema promise that
// validates this field once the schema loads.