15 lines
464 B
JavaScript
15 lines
464 B
JavaScript
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'use strict';
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module.exports = function surrogateKey () {
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return function surrogateKeyMiddleware (req, res, next) {
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const { affectedTables, mayWrite } = res.locals;
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const skipNotUpdatedAtTables = true;
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if (!!affectedTables && affectedTables.getTables(skipNotUpdatedAtTables).length > 0 && !mayWrite) {
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res.header('Surrogate-Key', affectedTables.key(skipNotUpdatedAtTables).join(' '));
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}
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next();
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};
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};
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