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feat: store and fetch timetable from cache
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@rudrankbasant
rudrankbasant committed Jan 28, 2024
1 parent 5644d7e commit 518a2fa
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Showing 3 changed files with 417 additions and 233 deletions.
172 changes: 95 additions & 77 deletions app/src/main/java/com/dscvit/vitty/ui/schedule/DayFragment.kt
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Original file line number Diff line number Diff line change
@@ -1,33 +1,30 @@
package com.dscvit.vitty.ui.schedule

import android.content.Context
import android.content.Intent
import android.content.SharedPreferences
import android.os.Build
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.Toast
import androidx.core.view.ViewCompat.setNestedScrollingEnabled
import androidx.databinding.DataBindingUtil
import androidx.fragment.app.Fragment
import androidx.lifecycle.ViewModelProvider
import androidx.recyclerview.widget.LinearLayoutManager
import com.dscvit.vitty.R
import com.dscvit.vitty.activity.InstructionsActivity
import com.dscvit.vitty.adapter.PeriodAdapter
import com.dscvit.vitty.databinding.FragmentDayBinding
import com.dscvit.vitty.model.PeriodDetails
import com.dscvit.vitty.network.api.community.responses.timetable.Course
import com.dscvit.vitty.network.api.community.responses.user.UserResponse
import com.dscvit.vitty.util.Constants
import com.dscvit.vitty.util.Constants.DEFAULT_QUOTE
import com.dscvit.vitty.util.Constants.USER_INFO
import com.dscvit.vitty.util.Quote
import com.dscvit.vitty.util.UtilFunctions
import com.google.firebase.Timestamp
import com.google.firebase.firestore.FirebaseFirestore
import com.google.firebase.firestore.Source
import com.google.gson.Gson
import timber.log.Timber
import java.text.SimpleDateFormat
import java.util.Date
Expand All @@ -40,7 +37,8 @@ class DayFragment : Fragment() {
private var fragID = -1
private lateinit var sharedPref: SharedPreferences
private val db = FirebaseFirestore.getInstance()
private val days = listOf("monday", "tuesday", "wednesday", "thursday", "friday", "saturday", "sunday")
private val days =
listOf("monday", "tuesday", "wednesday", "thursday", "friday", "saturday", "sunday")
lateinit var day: String
private lateinit var scheduleViewModel: ScheduleViewModel

Expand All @@ -61,9 +59,19 @@ class DayFragment : Fragment() {
//get token and username from shared preferences
val sharedPreferences = activity?.getSharedPreferences(USER_INFO, Context.MODE_PRIVATE)
val token = sharedPreferences?.getString(Constants.COMMUNITY_TOKEN, "") ?: ""
val username = requireArguments().getString("username") ?: sharedPreferences?.getString(Constants.COMMUNITY_USERNAME, null) ?: ""
val username = requireArguments().getString("username") ?: sharedPreferences?.getString(
Constants.COMMUNITY_USERNAME,
null
) ?: ""
Timber.d("token $token username $username")
Timber.d("pref username is ${sharedPreferences?.getString(Constants.COMMUNITY_USERNAME, null)}")
Timber.d(
"pref username is ${
sharedPreferences?.getString(
Constants.COMMUNITY_USERNAME,
null
)
}"
)
scheduleViewModel.getUserWithTimeTable(token, username)
fragID = requireArguments().getString("frag_id")?.toInt()!!
getData()
Expand All @@ -81,81 +89,90 @@ class DayFragment : Fragment() {
"saturday"
).toString() else days[fragID]

scheduleViewModel.user.observe(viewLifecycleOwner){
if(it!=null){
val cachedData = sharedPref.getString(Constants.CACHE_COMMUNITY_TIMETABLE, null)
if (cachedData != null) {
// If cached data is available, load from cache
Timber.d("Loading from cache")
Timber.d("$cachedData")
val response = Gson().fromJson(cachedData, UserResponse::class.java)
// Toast.makeText(context, "Loaded from cache", Toast.LENGTH_SHORT).show()
processTimetableData(response)
UtilFunctions.reloadWidgets(requireContext())
}


scheduleViewModel.user.observe(viewLifecycleOwner) {
if (it != null) {
//cache response for widget
val response = Gson().toJson(it)
val editor = sharedPref.edit()
editor.putString(Constants.CACHE_COMMUNITY_TIMETABLE, response)
editor.apply()
val cachedData = sharedPref.getString(Constants.CACHE_COMMUNITY_TIMETABLE, null)
Timber.d("cached data is $cachedData")
// Toast.makeText(context, "Updated Timetable from internet.", Toast.LENGTH_SHORT).show()


Timber.d(it.toString())
val timetableDays = it.timetable?.data
when(day){
"monday" -> {
val monday = timetableDays?.Monday
setUpDayTimeTable(monday)
}
"tuesday" -> {
val tuesday = timetableDays?.Tuesday
setUpDayTimeTable(tuesday)
}
"wednesday" -> {
val wednesday = timetableDays?.Wednesday
setUpDayTimeTable(wednesday)
}
"thursday" -> {
val thursday = timetableDays?.Thursday
setUpDayTimeTable(thursday)
}
"friday" -> {
val friday = timetableDays?.Friday
setUpDayTimeTable(friday)
}
"saturday" -> {
val saturday = timetableDays?.Saturday
setUpDayTimeTable(saturday)
}
"sunday" -> {
val sunday = timetableDays?.Sunday
setUpDayTimeTable(sunday)
}

}
processTimetableData(it)

}else{
Toast.makeText(context, "Error fetching timetable", Toast.LENGTH_SHORT).show()
} else {
if (cachedData == null) {
Toast.makeText(context, "Error fetching timetable", Toast.LENGTH_SHORT).show()

}
binding.loadingView.visibility = View.GONE
}
}
/*if (uid != null) {
db.collection("users")
.document(uid)
.collection("timetable")
.document(day)
.collection("periods")
.get(Source.CACHE)
.addOnSuccessListener { result ->
for (document in result) {
try {
val pd = PeriodDetails(
document.getString("courseCode")!!,
document.getString("courseName")!!,
document.getTimestamp("startTime")!!,
document.getTimestamp("endTime")!!,
document.getString("slot")!!,
document.getString("location")!!
)
courseList.add(pd)
} catch (e: Exception) {
}
}
scheduleSetup()
}
.addOnFailureListener { e ->
Timber.d("Auth error: $e")
}
}*/

}

private fun processTimetableData(userResponse: UserResponse) {
val timetableDays = userResponse.timetable?.data
when (day) {
"monday" -> {
val monday = timetableDays?.Monday
setUpDayTimeTable(monday)
}

"tuesday" -> {
val tuesday = timetableDays?.Tuesday
setUpDayTimeTable(tuesday)
}

"wednesday" -> {
val wednesday = timetableDays?.Wednesday
setUpDayTimeTable(wednesday)
}

"thursday" -> {
val thursday = timetableDays?.Thursday
setUpDayTimeTable(thursday)
}

"friday" -> {
val friday = timetableDays?.Friday
setUpDayTimeTable(friday)
}

"saturday" -> {
val saturday = timetableDays?.Saturday
setUpDayTimeTable(saturday)
}

"sunday" -> {
val sunday = timetableDays?.Sunday
setUpDayTimeTable(sunday)
}

}
}

private fun setUpDayTimeTable(day: List<Course>?) {
courseList.clear()
if(!day.isNullOrEmpty()){
for (course in day){
if (!day.isNullOrEmpty()) {
for (course in day) {
val pd = PeriodDetails(
course.code,
course.name,
Expand All @@ -175,7 +192,7 @@ class DayFragment : Fragment() {


private fun parseTimeToTimestamp(timeString: String): Timestamp {
try{
try {
val time = replaceYearIfZero(timeString)
val dateFormat = SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'")
// Set the time zone of the date format to UTC
Expand All @@ -186,10 +203,10 @@ class DayFragment : Fragment() {
val localTimeZone = TimeZone.getDefault()
val localDate = Date(date.time)
return Timestamp(localDate)
}else{
} else {
return Timestamp.now()
}
}catch (e: Exception) {
} catch (e: Exception) {
Timber.d("Date----: ${e.message}")
return Timestamp.now()
}
Expand All @@ -204,6 +221,7 @@ class DayFragment : Fragment() {
return dateStr
}
}

private fun scheduleSetup() {
binding.apply {
if (courseList.isNotEmpty()) {
Expand Down Expand Up @@ -231,7 +249,7 @@ class DayFragment : Fragment() {
"saturday"
).toString()
) {
getData()
getData()
}
}
}
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