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-module(mongoose_graphql_operations). |
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-export([verify_operations/2]). |
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-include_lib("graphql/src/graphql_schema.hrl"). |
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-include_lib("graphql/src/graphql_internal.hrl"). |
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verify_operations(Ctx, #document{definitions = Definitions}) -> |
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Method = maps:get(method, Ctx, undefined), |
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[verify_op_type(Method, op_type(Ty)) || #op{id = Id, ty = Ty} <- Definitions, |
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is_requested_op(Ctx, Id)], |
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ok. |
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verify_op_type(Method, OpType) -> |
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case is_supported(Method, OpType) of |
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true -> |
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ok; |
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false -> |
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Error = {unsupported_operation, Method, OpType}, |
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graphql_err:abort([], verify, Error) |
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end. |
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is_supported(Method, subscription) -> Method =:= sse; |
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is_supported(Method, _) -> Method =/= sse. |
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is_requested_op(#{operation_name := undefined}, _) -> true; |
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:-( |
is_requested_op(#{operation_name := OpName}, {name, _, Name}) -> OpName =:= Name. |
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op_type(undefined) -> query; |
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op_type({OpType, _}) -> OpType. |