Better logging when failing to communicate with the server

[giordano]

In

nisaba/src/client/SOAP_client.ts

Lines 75 to 106 in 596b7f8

	async serverComplete(): Promise<void> {
	let attempts = 0;
	const max_attempts = 10;
	while (attempts < max_attempts) {
	attempts += 1;
	const response = await fetch(`${this.url}/p/${this.responseID}`);
	const text = await response.text();
	switch (text.trim()) { // Message includes a trailing new line character
	case 'done': // done processing
	log('debug', `Result ready after ${attempts} attempts.`)
	return;
	case 'err_stat':
	log('error', `Received err_stat for request ${this.responseID}.`);
	throw `The server encountered an error while working on the request.
	Please contact the Oracc server admin to look into this problem.`;
	case 'run':
	if (attempts < max_attempts) {
	if (attempts == 1) { // Only print once to avoid cluttering log
	log('debug', 'Server working on request.');
	}
	break;
	} else {
	throw `The Oracc server was unable to elaborate response
	for request with id ${this.responseID}. Please contact the
	Oracc server admin to look into this problem.`;
	}
	default:
	log('error', `Unexpected message from server: ${text.trim()}`);
	throw `Unexpected message from server: ${text.trim()}`;
	}
	}
	}

we appear to log to file more debug information when the operation is successful rather than we fail. Some information should actually be displayed in the popup window, but not written to file.

This came up in #110.