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TheCitadelofRicks
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Various improvements #17

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Seil0 merged 11 commits from :fix/timeout-resilience into master 2021-10-24 14:38:13 +02:00
Conversation 1 Commits 11 Files Changed 9 +16 -28
1 changed files with 16 additions and 28 deletions
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44
src/main/kotlin/org/mosad/thecitadelofricks/hsoparser/TimetableParser.kt
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@ -42,37 +42,29 @@ class TimetableParser(timetableURL: String? = null, htmlDoc: Document? = null) {
val semaphore = Semaphore(3, 0)
}
private val htmlDoc: Document? =
htmlDoc
?: if (timetableURL == null) {
private val htmlDoc: Document? = htmlDoc ?: timetableURL?.let {
hannesbraun marked this conversation as resolved Outdated
Seil0 commented 2021-10-23 12:52:00 +02:00
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please us ?.let { ... } for null safety. Something like this:

private val htmlDoc: Document? = htmlDoc ?: timetableURL?.let {
    runBlocking {
        ...
    }
}
please us `?.let { ... }` for null safety. Something like this: ```kotlin private val htmlDoc: Document? = htmlDoc ?: timetableURL?.let { runBlocking { ... } } ```
hannesbraun commented 2021-10-23 13:52:09 +02:00
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This should be fixed with ca14a5d2f6

This should be fixed with ca14a5d2f6
runBlocking {
try {
// Only allow sending a limited amount of requests at the same time
semaphore.acquire()
Jsoup.connect(timetableURL).get()
} catch (gex: Exception) {
logger.error("general TimetableParser error", gex)
null
} else {
runBlocking {
try {
// Only allow sending a limited amount of requests at the same time
semaphore.acquire()
Jsoup.connect(timetableURL).get()
} catch (gex: Exception) {
logger.error("general TimetableParser error", gex)
null
} finally {
semaphore.release()
}
}
} finally {
semaphore.release()
}
}
}
/**
* parse the timetable from the previously given url
* the timetable is organised per row not per column;
* Mon 1, Tue 1, Wed 1, Thur 1, Fri 1, Sat 1, Mon 2 and so on
*/
fun parseTimeTable(): TimetableWeek? {
if (htmlDoc == null) {
return null
}
fun parseTimeTable(): TimetableWeek? = htmlDoc?.let {
val timetableWeek = TimetableWeek()
val rows = htmlDoc.select("table.timetable").select("tr[scope=\"row\"]")
val rows = it.select("table.timetable").select("tr[scope=\"row\"]")
var sDay = -1
var sRow = -1
@ -141,12 +133,8 @@ class TimetableParser(timetableURL: String? = null, htmlDoc: Document? = null) {
/**
* parse the week number of the year for the timetable
*/
fun parseWeekNumberYear(): Int? {
if (htmlDoc == null) {
return null
}
return htmlDoc.select("h1.timetable-caption").text().substringAfter("- ")
fun parseWeekNumberYear(): Int? = htmlDoc?.let {
it.select("h1.timetable-caption").text().substringAfter("- ")
.substringBefore(".").replace(" ", "").toInt()
}