Seil0/ProjectLaogai
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moved all cache checking code tho the CacheController

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* added new sunday bug fix for the timetable, same as for the mensa
This commit is contained in:
Jannik
2019-06-26 15:00:43 +02:00
parent 9a22d9b737
commit a7abd48726
8 changed files with 116 additions and 121 deletions
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2
README.md
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@ -18,4 +18,4 @@ ProjectLaogai is a app to access the timetable and the mensa menu of Hochschule
[<img src="https://raw.githubusercontent.com/Seil0/Seil0.github.io/master/images/Project_Laogai/ProjectLaogai_Settings.png" width=180>](https://github.com/Seil0/Seil0.github.io/blob/master/images/Project_Laogai/ProjectLaogai_Settings.png)
[<img src="https://raw.githubusercontent.com/Seil0/Seil0.github.io/master/images/Project_Laogai/ProjectLaogai_NavDrawer.png" width=180>](https://github.com/Seil0/Seil0.github.io/blob/master/images/Project_Laogai/ProjectLaogai_NavDrawer.png)
ProjectLaogai © 2019 [@Seil0](https://git.mosad.xyz/Seil0), a mosad [mosad](http://www.mosad.xyz) Project
ProjectLaogai © 2019 [@Seil0](https://git.mosad.xyz/Seil0), a [mosad](http://www.mosad.xyz) Project

2
app/build.gradle
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@ -13,7 +13,7 @@ android {
minSdkVersion 23
targetSdkVersion 28
versionCode 14
versionName "0.4.92"
versionName "0.4.93"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
resValue "string", "build_time", buildTime()
setProperty("archivesBaseName", "projectlaogai-$versionName")

59
app/src/main/java/org/mosad/seil0/projectlaogai/MainActivity.kt
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@ -36,17 +36,10 @@ import com.google.android.material.navigation.NavigationView
import kotlinx.android.synthetic.main.activity_main.*
import kotlinx.android.synthetic.main.app_bar_main.*
import org.mosad.seil0.projectlaogai.controller.CacheController
import org.mosad.seil0.projectlaogai.controller.CacheController.Companion.mensaMenu
import org.mosad.seil0.projectlaogai.controller.PreferencesController
import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.cColorAccent
import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.cColorPrimary
import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.cCourse
import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.coursesCacheTime
import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.mensaCacheTime
import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.timetableCacheTime
import org.mosad.seil0.projectlaogai.controller.TCoRAPIController
import org.mosad.seil0.projectlaogai.fragments.*
import java.util.*
import kotlin.system.measureTimeMillis
class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelectedListener {
@ -136,56 +129,8 @@ class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelecte
*/
private fun load() {
val startupTime = measureTimeMillis {
// load the settings
PreferencesController.load(this) // this must be finished before doing anything else
val tcor = TCoRAPIController(this)
val currentTime = System.currentTimeMillis() / 1000
val currentDay = Calendar.getInstance().get(Calendar.DAY_OF_WEEK)
val cal = Calendar.getInstance()
// TODO this will backfire if someone has to update before the server finished updating the timetable at 0001/0101
// timetable sunday workaround
cal.time = Date(timetableCacheTime * 1000)
// update blocking if a) it`s monday and the last cache was not on a monday or b) the cache is older than 6 days
if((currentDay == Calendar.MONDAY && cal.get(Calendar.DAY_OF_WEEK) != Calendar.MONDAY) || currentTime - timetableCacheTime > 518400) {
println("updating timetable after sunday!")
val jobA = TCoRAPIController.getTimetable(cCourse.courseName, 0, this)
val jobB = TCoRAPIController.getTimetable(cCourse.courseName, 1, this)
jobA.get()
jobB.get()
}
// new sunday bug fix
CacheController.readMensa(this)
cal.time = Date(mensaMenu.meta.updateTime * 1000)
// if it's monday and the last cache update was on sunday or is older than 24hr, update blocking
if ((currentDay == Calendar.MONDAY && cal.get(Calendar.DAY_OF_WEEK) == Calendar.SUNDAY) || currentTime - mensaMenu.meta.updateTime > 86400) {
println("update mensa blocking")
TCoRAPIController.getMensa(this).get()
}
// get the cached files
val cache = CacheController(this)
cache.readStartCache(cCourse.courseName)
// check if an update is necessary
if(currentTime - coursesCacheTime > 86400)
tcor.getCoursesList()
if(currentTime - mensaCacheTime > 10800)
TCoRAPIController.getMensa(this)
if(currentTime - timetableCacheTime > 10800) {
TCoRAPIController.getTimetable(cCourse.courseName, 0, this)
TCoRAPIController.getTimetable(cCourse.courseName, 1, this)
}
PreferencesController.load(this) // load the settings, must be finished before doing anything else
CacheController(this) // load the cache
}
println("startup completed in $startupTime ms")
}

100
app/src/main/java/org/mosad/seil0/projectlaogai/controller/CacheController.kt
View File

@ -26,11 +26,13 @@ import android.content.Context
import com.google.gson.Gson
import com.google.gson.GsonBuilder
import com.google.gson.JsonParser
import com.google.gson.reflect.TypeToken
import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.cCourse
import org.mosad.seil0.projectlaogai.hsoparser.*
import java.io.BufferedReader
import java.io.File
import java.io.FileReader
import com.google.gson.reflect.TypeToken
import org.mosad.seil0.projectlaogai.hsoparser.*
import java.util.*
import kotlin.collections.ArrayList
class CacheController(cont: Context) {
@ -38,13 +40,71 @@ class CacheController(cont: Context) {
private val context = cont
init {
// TODO move cache check here
val cal = Calendar.getInstance()
val currentDay = Calendar.getInstance().get(Calendar.DAY_OF_WEEK)
val currentTime = System.currentTimeMillis() / 1000
// check if we need to update the mensa data before displaying it
readMensa(context)
cal.time = Date(mensaMenu.meta.updateTime * 1000)
// if a) it's monday and the last cache update was on sunday or b) the cache is older than 24hr, update blocking
if ((currentDay == Calendar.MONDAY && cal.get(Calendar.DAY_OF_WEEK) == Calendar.SUNDAY) || currentTime - mensaMenu.meta.updateTime > 86400) {
println("update mensa blocking")
TCoRAPIController.getMensa(context).get()
}
// check if we need to update the timetables before displaying them
readTimetable(cCourse.courseName, 0, context)
cal.time = Date(timetables[0].meta.updateTime * 1000)
// if a) it`s monday and the last cache update was not on a sunday or b) the cache is older than 5 days, update blocking
if((currentDay == Calendar.MONDAY && cal.get(Calendar.DAY_OF_WEEK) == Calendar.SUNDAY) || currentTime - timetables[0].meta.updateTime > 432000) {
println("updating timetable after sunday!")
val jobA = TCoRAPIController.getTimetable(cCourse.courseName, 0, context)
val jobB = TCoRAPIController.getTimetable(cCourse.courseName, 1, context)
jobA.get()
jobB.get()
}
// check if an update is necessary, not blocking
if(currentTime - PreferencesController.coursesCacheTime > 86400)
TCoRAPIController.getCoursesList(context)
if(currentTime - PreferencesController.mensaCacheTime > 10800)
TCoRAPIController.getMensa(context)
if(currentTime - PreferencesController.timetableCacheTime > 10800) {
TCoRAPIController.getTimetable(cCourse.courseName, 0, context)
TCoRAPIController.getTimetable(cCourse.courseName, 1, context)
}
readStartCache(cCourse.courseName)
}
companion object {
var coursesList = ArrayList<Course>()
var timetables = ArrayList<TimetableWeek>()
var mensaMenu = MensaMenu(MensaMeta(0, ""), MensaWeek(), MensaWeek())
var timetables = ArrayList<TimetableCourseWeek>()
var mensaMenu = MensaMenu()
/**
* read the courses list from the cached file
* add them to the coursesList object
*/
private fun readCoursesList(context: Context) {
val file = File(context.filesDir, "courses.json")
// make sure the file exists
if (!file.exists())
TCoRAPIController.getCoursesList(context).get()
val fileReader = FileReader(file)
val bufferedReader = BufferedReader(fileReader)
val coursesObject = JsonParser().parse(bufferedReader.readLine()).asJsonObject
coursesList = Gson().fromJson(coursesObject.getAsJsonArray("courses"), object : TypeToken<List<Course>>() {}.type)
}
/**
* get the MensaMenu object from the cached json,
@ -62,7 +122,7 @@ class CacheController(cont: Context) {
val bufferedReader = BufferedReader(fileReader)
val mensaObject = JsonParser().parse(bufferedReader.readLine()).asJsonObject
mensaMenu = GsonBuilder().create().fromJson(mensaObject, MensaMenu(MensaMeta(0, ""), MensaWeek(), MensaWeek()).javaClass)
mensaMenu = GsonBuilder().create().fromJson(mensaObject, MensaMenu().javaClass)
}
/**
@ -82,10 +142,10 @@ class CacheController(cont: Context) {
val timetableObject = JsonParser().parse(bufferedReader.readLine()).asJsonObject
// make sure you add the single weeks in the exact order!
if (timetables.size == week) {
timetables.add(Gson().fromJson(timetableObject.getAsJsonObject("timetable"), TimetableWeek().javaClass))
} else if (timetables.size >= week) {
timetables[week] = Gson().fromJson(timetableObject.getAsJsonObject("timetable"), TimetableWeek().javaClass)
if (timetables.size > week) {
timetables[week] = (Gson().fromJson(timetableObject, TimetableCourseWeek().javaClass))
} else {
timetables.add(Gson().fromJson(timetableObject, TimetableCourseWeek().javaClass))
}
}
}
@ -95,28 +155,10 @@ class CacheController(cont: Context) {
* @param courseName the course name (e.g AI1)
*/
fun readStartCache(courseName: String) {
readCoursesList()
readCoursesList(context)
readMensa(context)
readTimetable(courseName, 0, context)
readTimetable(courseName, 1, context)
}
/**
* read the courses list from the cached file
* add them to the coursesList object
*/
private fun readCoursesList() {
val file = File(context.filesDir, "courses.json")
// make sure the file exists
if (!file.exists())
TCoRAPIController(context).getCoursesList().get()
val fileReader = FileReader(file)
val bufferedReader = BufferedReader(fileReader)
val coursesObject = JsonParser().parse(bufferedReader.readLine()).asJsonObject
coursesList = Gson().fromJson(coursesObject.getAsJsonArray("courses"), object : TypeToken<List<Course>>() {}.type)
}
}

47
app/src/main/java/org/mosad/seil0/projectlaogai/controller/TCoRAPIController.kt
View File

@ -28,13 +28,35 @@ import org.json.JSONObject
import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.coursesCacheTime
import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.mensaCacheTime
import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.timetableCacheTime
import java.io.*
import java.io.BufferedWriter
import java.io.File
import java.io.FileWriter
import java.net.URL
class TCoRAPIController(cont: Context) {
private val context = cont
class TCoRAPIController {
companion object {
/**
* get the json object from tcor api and write it as file (cache)
*/
fun getCoursesList(context: Context) = doAsync {
val url = URL("https://tcor.mosad.xyz/courseList")
val file = File(context.filesDir, "courses.json")
// read data from the API
val coursesObject = JSONObject(url.readText()) //JSONObject(inReader.readLine())
// write the json object to a file
val writer = BufferedWriter(FileWriter(file))
writer.write(coursesObject.toString())
writer.close()
// update cache time
coursesCacheTime = System.currentTimeMillis() / 1000
PreferencesController.save(context)
}
/**
* get the json object from tcor api and write it as file (cache)
*/
@ -76,23 +98,4 @@ class TCoRAPIController(cont: Context) {
}
}
/**
* get the json object from tcor api and write it as file (cache)
*/
fun getCoursesList() = doAsync {
val url = URL("https://tcor.mosad.xyz/courseList")
val file = File(context.filesDir, "courses.json")
// read data from the API
val coursesObject = JSONObject(url.readText()) //JSONObject(inReader.readLine())
// write the json object to a file
val writer = BufferedWriter(FileWriter(file))
writer.write(coursesObject.toString())
writer.close()
// update cache time
coursesCacheTime = System.currentTimeMillis() / 1000
PreferencesController.save(context)
}
}

4
app/src/main/java/org/mosad/seil0/projectlaogai/fragments/HomeFragment.kt
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@ -133,7 +133,7 @@ class HomeFragment : Fragment() {
if (timetables.isNotEmpty() && dayIndex < 6) {
// first check the current day
dayCardView = addDayTimetable(timetables[0].days[dayIndex])
dayCardView = addDayTimetable(timetables[0].timetable.days[dayIndex])
dayCardView.setDayHeading(resources.getString(R.string.today_date, formatter.format(cal.time)))
// if there are no lessons try to find the next day with a lesson
@ -202,7 +202,7 @@ class HomeFragment : Fragment() {
var weekIndexSearch = startWeekIndex
loop@ while (dayTimetable == null && weekIndexSearch <= timetables.size) {
for (i in (dayIndexSearch) ..5) {
dayTimetable = timetables[weekIndexSearch].days[i]
dayTimetable = timetables[weekIndexSearch].timetable.days[i]
cal.add(Calendar.DATE, 1)
// add the timetable to the card, if it contains at least one lesson break!

13
app/src/main/java/org/mosad/seil0/projectlaogai/fragments/TimeTableFragment.kt
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@ -41,7 +41,8 @@ import org.mosad.seil0.projectlaogai.controller.TCoRAPIController
import org.mosad.seil0.projectlaogai.hsoparser.DataTypes
import org.mosad.seil0.projectlaogai.hsoparser.NotRetardedCalendar
import org.mosad.seil0.projectlaogai.hsoparser.TimetableWeek
import org.mosad.seil0.projectlaogai.uicomponents.*
import org.mosad.seil0.projectlaogai.uicomponents.DayCardView
import org.mosad.seil0.projectlaogai.uicomponents.LessonLinearLayout
import java.text.SimpleDateFormat
import java.util.*
@ -64,7 +65,7 @@ class TimeTableFragment : Fragment() {
// init actions
initActions()
if (timetables[0].days.isNotEmpty() && timetables[1].days.isNotEmpty()) {
if (timetables[0].timetable.days.isNotEmpty() && timetables[1].timetable.days.isNotEmpty()) {
addInitWeeks()
} else {
MaterialDialog(context!!)
@ -114,10 +115,10 @@ class TimeTableFragment : Fragment() {
val calendar = Calendar.getInstance()
// add current week
addWeek(dayIndex, 5, timetables[0], calendar).get()
addWeek(dayIndex, 5, timetables[0].timetable, calendar).get()
// add next week
addWeek(0, dayIndex - 1, timetables[1], calendar)
addWeek(0, dayIndex - 1, timetables[1].timetable, calendar)
}
private fun addWeek(dayStart: Int, dayEnd: Int, timetable: TimetableWeek, calendar: Calendar) = doAsync {
@ -177,10 +178,10 @@ class TimeTableFragment : Fragment() {
val calendar = Calendar.getInstance()
// add current week
addWeek(dayIndex, 5, timetables[0], calendar).get()
addWeek(dayIndex, 5, timetables[0].timetable, calendar).get()
// add next week
addWeek(0, dayIndex - 1, timetables[1], calendar)
addWeek(0, dayIndex - 1, timetables[1].timetable, calendar)
refreshLayout_Timetable.isRefreshing = false
}

8
app/src/main/java/org/mosad/seil0/projectlaogai/hsoparser/DataTypes.kt
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@ -122,9 +122,9 @@ data class Meals(val meals: ArrayList<Meal>)
data class MensaWeek(val days: Array<Meals> = Array(7) { Meals(ArrayList()) })
data class MensaMeta(val updateTime: Long, val mensaName: String)
data class MensaMeta(val updateTime: Long = 0, val mensaName: String = "")
data class MensaMenu(val meta: MensaMeta, val currentWeek: MensaWeek, val nextWeek: MensaWeek)
data class MensaMenu(val meta: MensaMeta = MensaMeta(), val currentWeek: MensaWeek = MensaWeek(), val nextWeek: MensaWeek = MensaWeek())
// data classes for the timetable part
data class Lesson(
@ -137,3 +137,7 @@ data class Lesson(
data class TimetableDay(val timeslots: Array<ArrayList<Lesson>> = Array(6) { ArrayList<Lesson>() })
data class TimetableWeek(val days: Array<TimetableDay> = Array(6) { TimetableDay() })
data class TimetableCourseMeta(var updateTime: Long = 0, val courseName: String = "", val week: Int = 0, val link: String = "")
data class TimetableCourseWeek(val meta: TimetableCourseMeta = TimetableCourseMeta(), var timetable: TimetableWeek = TimetableWeek())