44 lines
1.7 KiB
Crystal
44 lines
1.7 KiB
Crystal
# Kemal DSL is defined here and it's baked into global scope.
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#
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# The DSL currently consists of:
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#
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# - get post put patch delete options
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# - WebSocket(ws)
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# - before_*
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# - error
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HTTP_METHODS = %w(get post put patch delete options head)
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FILTER_METHODS = %w(get post put patch delete options head all)
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{% for method in HTTP_METHODS %}
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def {{method.id}}(path : String, &block : HTTP::Server::Context -> _)
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raise Kemal::Exceptions::InvalidPathStartException.new({{method}}, path) unless Kemal::Utils.path_starts_with_slash?(path)
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Kemal::RouteHandler::INSTANCE.add_route({{method}}.upcase, path, &block)
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end
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{% end %}
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def ws(path : String, &block : HTTP::WebSocket, HTTP::Server::Context -> Void)
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raise Kemal::Exceptions::InvalidPathStartException.new("ws", path) unless Kemal::Utils.path_starts_with_slash?(path)
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Kemal::WebSocketHandler::INSTANCE.add_route path, &block
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end
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def error(status_code : Int32, &block : HTTP::Server::Context, Exception -> _)
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Kemal.config.add_error_handler status_code, &block
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end
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# All the helper methods available are:
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# - before_all, before_get, before_post, before_put, before_patch, before_delete, before_options
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# - after_all, after_get, after_post, after_put, after_patch, after_delete, after_options
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{% for type in ["before", "after"] %}
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{% for method in FILTER_METHODS %}
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def {{type.id}}_{{method.id}}(path : String = "*", &block : HTTP::Server::Context -> _)
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Kemal::FilterHandler::INSTANCE.{{type.id}}({{method}}.upcase, path, &block)
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end
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def {{type.id}}_{{method.id}}(paths : Array(String), &block : HTTP::Server::Context -> _)
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paths.each do |path|
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Kemal::FilterHandler::INSTANCE.{{type.id}}({{method}}.upcase, path, &block)
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end
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end
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{% end %}
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{% end %}
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