ProjectLaogai/app/src/main/java/org/mosad/seil0/projectlaogai/fragments/HomeFragment.kt

189 lines
7.2 KiB
Kotlin

/**
* ProjectLaogai
*
* Copyright 2019-2020 <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.seil0.projectlaogai.fragments
import android.graphics.Typeface
import android.os.Bundle
import android.util.Log
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.TextView
import androidx.fragment.app.Fragment
import kotlinx.android.synthetic.main.fragment_home.*
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.GlobalScope
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
import org.mosad.seil0.projectlaogai.R
import org.mosad.seil0.projectlaogai.controller.CacheController.Companion.mensaMenu
import org.mosad.seil0.projectlaogai.controller.CacheController.Companion.timetables
import org.mosad.seil0.projectlaogai.hsoparser.Meal
import org.mosad.seil0.projectlaogai.hsoparser.NotRetardedCalendar
import org.mosad.seil0.projectlaogai.hsoparser.TimetableDay
import org.mosad.seil0.projectlaogai.uicomponents.DayCardView
import org.mosad.seil0.projectlaogai.uicomponents.MealLinearLayout
import java.text.SimpleDateFormat
import java.util.*
/**
* The "home" controller class
* contains all needed parts to display the apps home screen
*/
class HomeFragment : Fragment() {
private val className = "HomeFragment"
private val formatter = SimpleDateFormat("E dd.MM", Locale.getDefault())
override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
val view: View = inflater.inflate(R.layout.fragment_home, container, false)
addMensaMenu()
addTimeTable()
// Inflate the layout for this fragment
return view
}
/**
* add the current mensa meal to the home screens
*/
private fun addMensaMenu() = GlobalScope.launch(Dispatchers.Default) {
var dayMeals: ArrayList<Meal>
val cal = Calendar.getInstance()
val mensaCardView = DayCardView(context!!)
withContext(Dispatchers.Main) {
if (isAdded) {
if (cal.get(Calendar.HOUR_OF_DAY) < 15) {
dayMeals = mensaMenu.currentWeek.days[NotRetardedCalendar.getDayOfWeekIndex()].meals
mensaCardView.setDayHeading(activity!!.resources.getString(R.string.today_date, formatter.format(cal.time)))
} else {
dayMeals = mensaMenu.currentWeek.days[NotRetardedCalendar.getTomorrowWeekIndex()].meals
cal.add(Calendar.DATE, 1)
mensaCardView.setDayHeading(activity!!.resources.getString(R.string.tomorrow_date, formatter.format(cal.time)))
}
if (dayMeals.size >= 2) {
// get the index of the first meal, not a "Schneller Teller"
loop@ for ((i, meal) in dayMeals.withIndex()) {
if (meal.heading.contains("Essen")) {
val meal1Layout = MealLinearLayout(context)
meal1Layout.setMeal(dayMeals[i])
mensaCardView.getLinLayoutDay().addView(meal1Layout)
val meal2Layout = MealLinearLayout(context)
meal2Layout.setMeal(dayMeals[i + 1])
meal2Layout.disableDivider()
mensaCardView.getLinLayoutDay().addView(meal2Layout)
break@loop
}
}
} else {
mensaCardView.getLinLayoutDay().addView(getNoCard(resources.getString(R.string.mensa_closed)))
}
linLayout_Home.addView(mensaCardView)
}
}
}
/**
* add the current timetable to the home screen
*/
private fun addTimeTable() = GlobalScope.launch(Dispatchers.Default) {
withContext(Dispatchers.Main) {
if (isAdded && timetables.isNotEmpty()) {
try {
val dayCardView = findNextDay(NotRetardedCalendar.getDayOfWeekIndex())
linLayout_Home.addView(dayCardView)
} catch (ex: Exception) {
Log.e(className, "could not load timetable", ex) // TODO send feedback
}
}
}
}
/**
* find the next day with a lesson
* start at week 0, startDayIndex and search every cached week until we find a) a day with a timetable
* or b) we find no timetable and add a no lesson card
* @param startDayIndex the day index you want to start searching
* @return a DayCardView with all lessons added
*/
private fun findNextDay(startDayIndex: Int): DayCardView {
val dayCardView = DayCardView(context!!)
var dayTimetable: TimetableDay? = null
var dayIndexSearch = startDayIndex
var weekIndexSearch = 0
while (dayTimetable == null && weekIndexSearch < timetables.size) {
for (dayIndex in dayIndexSearch..5) {
dayTimetable = timetables[weekIndexSearch].timetable.days[dayIndex]
// some wired calendar magic, calculate the correct date to be shown ((timetable week - current week * 7) + (dayIndex - dayIndex of current week)
val daysToAdd = (timetables[weekIndexSearch].meta.weekNumberYear - NotRetardedCalendar.getWeekOfYear()) * 7 + (dayIndex - NotRetardedCalendar.getDayOfWeekIndex())
dayCardView.addTimetableDay(dayTimetable, daysToAdd)
// if there are no lessons don't show the dayCardView
if (dayCardView.getLinLayoutDay().childCount > 1)
return dayCardView
}
weekIndexSearch++
dayIndexSearch = 0
}
// there was no day found in the cached weeks, add no lesson card
dayCardView.setDayHeading(formatter.format(Calendar.getInstance().time))
dayCardView.getLinLayoutDay().addView(getNoCard(resources.getString(R.string.no_lesson_today))) // if there is no lecture at all show the no lesson card
return dayCardView
}
/**
* @param text the text to show on the card
* @return a TextView with the text and all needed parameters
*/
private fun getNoCard(text: String): TextView {
val noLesson = TextView(context)
noLesson.text = text
noLesson.textSize = 18.0F
noLesson.setTypeface(null, Typeface.BOLD)
noLesson.textAlignment = View.TEXT_ALIGNMENT_CENTER
noLesson.setPadding(7, 7, 7, 7)
return noLesson
}
}