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/**
* TheCitadelofRicks
*
* Copyright 2019 <seil0@mosad.xyz>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
*/
package org.mosad.thecitadelofricks.controller
import com.google.gson.Gson
import com.google.gson.JsonParser
import org.mosad.thecitadelofricks.TimetableCourseWeek
import org.slf4j.Logger
import org.slf4j.LoggerFactory
import java.io.*
import java.util.*
class StartupController {
private val logger: Logger = LoggerFactory.getLogger(CacheController::class.java)
companion object {
val userHome: String = System.getProperty("user.home")
val tcorHome = "$userHome/.tcor"
val dirTcorHome = File(tcorHome)
val dirTcorCache = File("$tcorHome/cache")
val fileConfig = File("$tcorHome/config.xml")
var cachetAPIKey = "0"
var cachetBaseURL = "https://status.mosad.xyz"
var courseListURL = "https://www.hs-offenburg.de/studium/vorlesungsplaene/"
var mensaMenuURL = "https://www.swfr.de/de/essen-trinken/speiseplaene/mensa-offenburg/"
var mensaName = "Offenburg"
}
init {
// if the tcor directory doesn't exist, create it
if (!dirTcorHome.exists()) {
dirTcorHome.mkdir()
}
// if the cache directory doesn't exist, create it
if (!dirTcorCache.exists()) {
dirTcorCache.mkdir()
}
// check if the config file exist, if so load it
if (fileConfig.exists()) {
loadConfig()
} else {
createConfig()
}
// TODO read cached timetable files, as they are not initially cached
readCachedTimetables()
}
/**
* load the config stored in the config.xml file
*/
private fun loadConfig() = try {
val properties = Properties()
properties.loadFromXML(FileInputStream(fileConfig))
cachetAPIKey = try {
properties.getProperty("cachetAPIKey")
} catch (ex: Exception) {
"0"
}
cachetBaseURL = try {
properties.getProperty("cachetBaseURL")
} catch (ex: Exception) {
"https://status.mosad.xyz"
}
mensaMenuURL = try {
properties.getProperty("mensaMenuURL")
} catch (ex: Exception) {
"https://www.swfr.de/de/essen-trinken/speiseplaene/mensa-offenburg/"
}
mensaName = try {
properties.getProperty("mensaName")
} catch (ex: Exception) {
"Offenburg"
}
} catch (ex: Exception) {
logger.error("error while loading config", ex)
}
/**
* create an initial config file
*/
private fun createConfig() = try {
val properties = Properties()
properties.setProperty("cachetAPIKey", "0")
properties.setProperty("cachetBaseURL", "https://status.mosad.xyz")
properties.setProperty("mensaMenuURL", "https://www.swfr.de/de/essen-trinken/speiseplaene/mensa-offenburg/")
properties.setProperty("mensaName", "Offenburg")
val outputStream = FileOutputStream(fileConfig)
properties.storeToXML(outputStream, "tcor configuration")
outputStream.close()
} catch (ex: Exception) {
logger.error("error while creating config", ex)
}
/**
* read all previously cached timetables
*/
private fun readCachedTimetables() {
dirTcorCache.walkTopDown().forEach {
if (it.isFile && it.name.endsWith(".json")) {
try {
val fileReader = FileReader(it)
val bufferedReader = BufferedReader(fileReader)
val timetableObject = JsonParser.parseString(bufferedReader.readLine()).asJsonObject
CacheController.timetableList.add(Gson().fromJson(timetableObject, TimetableCourseWeek().javaClass))
bufferedReader.close()
fileReader.close()
} catch (ex: Exception) {
logger.error("error while reading cache", ex)
}
}
}
}
}

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