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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
import org.mosad.thecitadelofricks.CacheController.Companion.courseList
import org.mosad.thecitadelofricks.CacheController.Companion.mensaMenu
import org.mosad.thecitadelofricks.CacheController.Companion.timetableList
import org.slf4j.Logger
import org.slf4j.LoggerFactory
import org.springframework.web.bind.annotation.RequestMapping
import org.springframework.web.bind.annotation.RequestParam
import org.springframework.web.bind.annotation.RestController
import java.net.HttpURLConnection
import java.net.URL
import java.time.LocalDateTime
import java.util.*
import java.util.stream.Collectors
import kotlin.collections.ArrayList
import kotlin.collections.HashSet
@RestController
class APIController {
private val logger: Logger = LoggerFactory.getLogger(APIController::class.java)
private val cache = CacheController()
private val apiVersion = "1.1.2"
private val softwareVersion = "1.1.4"
private val startTime = System.currentTimeMillis() / 1000
private var requestCount = 0
@Deprecated("courses is replaced by courseList", replaceWith = ReplaceWith("courseList()"))
@RequestMapping("/courses")
fun courses(): CourseList {
return courseList()
}
@RequestMapping("/courseList")
fun courseList(): CourseList {
logger.info("courseList request at ${LocalDateTime.now()}!")
requestCount++
return courseList
}
@RequestMapping("/mensamenu")
fun mensamenu(): MensaMenu {
logger.info("mensamenu request at ${LocalDateTime.now()}!")
requestCount++
return mensaMenu
}
@RequestMapping("/timetable")
fun timetable(
@RequestParam(value = "courseName", defaultValue = "AI4") courseName: String,
@RequestParam(value = "week", defaultValue = "0") week: Int
): TimetableCourseWeek {
logger.info("timetable request at ${LocalDateTime.now()}!")
requestCount++
return cache.getTimetable(courseName, week)
}
@RequestMapping("/lessonSubjectList")
fun lessonSubjectList(
@RequestParam(value = "courseName", defaultValue = "AI4") courseName: String,
@RequestParam(value = "week", defaultValue = "0") week: Int
): HashSet<String> {
logger.info("lessonSubjectList request at ${LocalDateTime.now()}!")
requestCount++
return getLessonSubjectList(courseName, week)
}
@RequestMapping("/lesson")
fun lesson(
@RequestParam(value = "courseName", defaultValue = "AI4") courseName: String,
@RequestParam(value = "lessonSubject", defaultValue = "Mathematik 4") lessonSubject: String,
@RequestParam(value = "week", defaultValue = "0") week: Int
): ArrayList<Lesson> {
logger.info("lesson request at ${LocalDateTime.now()}!")
requestCount++
return getLesson(courseName, lessonSubject, week)
}
@RequestMapping("/status")
fun status(): Status {
return getStatus()
}
// non direct api functions
private fun getLessonSubjectList(courseName: String, week: Int): HashSet<String> {
val lessonSubjectList = ArrayList<String>()
// get every lesson subject for the given week
val flatMap = cache.getTimetable(courseName, week).timetable.days.flatMap { it.timeslots.asIterable() }
flatMap.forEach {
it.stream().filter { x -> x.lessonSubject.isNotEmpty() }.findAny().ifPresent { x -> lessonSubjectList.add(x.lessonSubject) }
}
return HashSet(lessonSubjectList)
}
private fun getLesson(courseName: String, lessonSubject: String, week: Int): ArrayList<Lesson> {
val lessonList = ArrayList<Lesson>()
// get all lessons from the weeks timetable
val flatMap = cache.getTimetable(courseName, week).timetable.days.flatMap { it.timeslots.asIterable() }
flatMap.forEach {
it.forEach { lesson ->
if(lesson.lessonSubject.contains(lessonSubject)) {
lessonList.add(lesson)
}
}
//it.stream().filter { x -> x.lessonSubject.contains(lessonSubject) }.findAny().ifPresent { x -> println("${x.lessonSubject}, ${x.lessonTeacher}") }
}
return lessonList
}
private fun getStatus(): Status {
val currentTime = System.currentTimeMillis() / 1000
val minutes = (currentTime - startTime) % 3600 / 60
val hours = (currentTime - startTime) % 86400 / 3600
val days = (currentTime - startTime) / 86400
val timetableListSize = timetableList.size
val timetableListNames = timetableList.stream().map { x -> x.meta.courseName }.collect(Collectors.toList())
var hsoCode = 999
var swfrCode = 999
logger.info("status request at ${LocalDateTime.now()}!")
try {
val hsoURL = URL("https://www.hs-offenburg.de/")
val swfrURL = URL("https://www.swfr.de/")
var connection = hsoURL.openConnection() as HttpURLConnection
connection.requestMethod = "HEAD"
connection.connectTimeout = 15000
hsoCode = connection.responseCode
connection = swfrURL.openConnection() as HttpURLConnection
connection.connectTimeout = 15000
swfrCode = connection.responseCode
} catch (e: Exception) {
logger.error("Error while fetching url response codes!", e)
}
return Status(
LocalDateTime.now(),
"$days days, $hours:$minutes",
apiVersion,
softwareVersion,
requestCount,
timetableListSize,
HashSet(timetableListNames).toString(),
Date(courseList.meta.updateTime * 1000),
Date(mensaMenu.meta.updateTime * 1000),
hsoCode,
swfrCode
)
}
}

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