Method checkArguments

db/functions/function.go:203–221

FUNCTION PARAMETERS/ARGUMENTS: Checks that `args` contains exactly the same keys as the list `parameterNames`. Adds the special "context" parameter containing user data.

(args map[string]any)

// Checks that `args` contains exactly the same keys as the list `parameterNames`.
// Adds the special "context" parameter containing user data.
func (fn *functionImpl) checkArguments(args map[string]any) error {
	// Make sure each specified parameter has a value in `args`:
	for _, paramName := range fn.Args {
		if _, found := args[paramName]; !found {
			return base.HTTPErrorf(http.StatusBadRequest, "%s %q parameter %q is missing", fn.typeName, fn.name, paramName)
		}
	}

	// Any extra parameters in `args` are illegal:
	if len(args) > len(fn.Args) {
		for _, paramName := range fn.Args {
			delete(args, paramName)
		}
		for badKey := range args {
			return base.HTTPErrorf(http.StatusBadRequest, "%s %q has no parameter %q", fn.typeName, fn.name, badKey)
		}
	}
	return nil
}

//////// AUTHORIZATION: