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private var lastScheduledWord: dispatch_cancelable_block_t? | |
private var lastRequest: NSURLSessionTask? | |
var numberOfRetries = 3 | |
let NUMBER_OF_RETRIES = 3 | |
func searchRepository(keyword: String) { | |
cancel_block(lastScheduledWord) | |
lastRequest?.cancel() | |
lastRequest = nil | |
lastScheduledWord = dispatch_after_delay(0.5) { | |
lastRequest = findRepository(keyword, success: { repository in | |
findIssues(repository) | |
}, failure: { error in | |
if numberOfRetries++ < NUMBER_OF_RETRIES { | |
searchRepository(keyword) | |
} else { | |
numberOfRetries = 0 | |
displayError(error) | |
} | |
}) | |
} | |
} | |
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