Commit d20a646ae66c62c660b3b41811182d88c810eabf
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0f134a87
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• add model to parse scim queries
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| @@ -0,0 +1,45 @@ | @@ -0,0 +1,45 @@ | ||
| 1 | +module ScimRails | ||
| 2 | + class ScimQueryParser | ||
| 3 | + attr_accessor :query_elements | ||
| 4 | + | ||
| 5 | + def initialize(query_string) | ||
| 6 | + self.query_elements = query_string.split(" ") | ||
| 7 | + end | ||
| 8 | + | ||
| 9 | + def attribute | ||
| 10 | + attribute = query_elements.dig(0) | ||
| 11 | + raise ScimRails::ExceptionHandler::InvalidQuery if attribute.blank? | ||
| 12 | + attribute = attribute.to_sym | ||
| 13 | + | ||
| 14 | + mapped_attribute = attribute_mapping(attribute) | ||
| 15 | + raise ScimRails::ExceptionHandler::InvalidQuery if mapped_attribute.blank? | ||
| 16 | + mapped_attribute | ||
| 17 | + end | ||
| 18 | + | ||
| 19 | + def operator | ||
| 20 | + sql_comparison_operator(query_elements.dig(1)) | ||
| 21 | + end | ||
| 22 | + | ||
| 23 | + def parameter | ||
| 24 | + parameter = query_elements.dig(2) | ||
| 25 | + return if parameter.blank? | ||
| 26 | + parameter.gsub(/"/, "") | ||
| 27 | + end | ||
| 28 | + | ||
| 29 | + private | ||
| 30 | + | ||
| 31 | + def attribute_mapping(attribute) | ||
| 32 | + ScimRails.config.queryable_user_attributes[attribute] | ||
| 33 | + end | ||
| 34 | + | ||
| 35 | + def sql_comparison_operator(element) | ||
| 36 | + case element | ||
| 37 | + when "eq" | ||
| 38 | + "=" | ||
| 39 | + else | ||
| 40 | + # TODO: implement additional query filters | ||
| 41 | + raise ScimRails::ExceptionHandler::InvalidQuery | ||
| 42 | + end | ||
| 43 | + end | ||
| 44 | + end | ||
| 45 | +end |