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30 lines
546 B
30 lines
546 B
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/** |
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cmd can be any valid ES query command |
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**/ |
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function service( backend, cmd, cb ){ |
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// query new backend |
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backend().client.search( cmd, function( err, data ){ |
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// handle backend errors |
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if( err ){ return cb( err ); } |
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// map returned documents |
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var docs = []; |
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if( data && data.hits && data.hits.total && Array.isArray(data.hits.hits)){ |
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docs = data.hits.hits.map( function( hit ){ |
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return hit._source; |
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}); |
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} |
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// fire callback |
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return cb( null, docs ); |
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}); |
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} |
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module.exports = service; |