started working on the grand refactor (the app launches)

2024-12-20 20:29:19 +01:00
parent f9d4ff562d
commit 89dd624b00
11 changed files with 284 additions and 686 deletions
@@ -27,7 +27,7 @@ class Account(val username: String, val password: String, private val error: Int
             */

            // check if file exists
-            val file = File(fileDir, accountDataFilePath)
+            val file = File(global.fileDir, accountDataFilePath)

            return if (!file.exists()) {
                // it does not exist
@@ -36,15 +36,15 @@ class Account(val username: String, val password: String, private val error: Int
            } else {
                // it exists, so it shall be parsed
                val acc: Account = parseAccountDataFile(file)
-                username = acc.username
-                password = acc.password
+                global.username = acc.username
+                global.password = acc.password
                acc.error == 0
            }
        }

        fun save(acc: Account): Boolean {
            return try {
-                val file = File(fileDir, accountDataFilePath)
+                val file = File(global.fileDir, accountDataFilePath)
                file.writeText("${acc.username}\n${acc.password}\n", Charset.forName("UTF-8"))

                true
@@ -55,8 +55,8 @@ class Account(val username: String, val password: String, private val error: Int

        suspend fun isValid(acc: Account): Boolean {
            return withContext(Dispatchers.IO) {
-                username = acc.username
-                password = acc.password
+                global.username = acc.username
+                global.password = acc.password

                val token = Network.getToken()
                !JSONObject(token).has("error")
@@ -45,10 +45,8 @@ const val userDataFilePath: String = "userdata.json"
 const val marksFilePath: String = "marks.json"
 const val settingsDataFilePath: String = "settings.txt"
 const val lectureNotesFilePath: String = "lecture_notes.csv"
-lateinit var fileDir: File
 var width: Int = 0
 var height: Int = 0
-var internetAvail: Boolean = false

 var loaded: Boolean = false

@@ -137,7 +135,6 @@ val dayMap = mutableMapOf<Int, Day>()
 val dayList = mutableListOf<Day>()
 var days = listOf<Day>()

-var marksJSON: String = ""
 var marks: MutableMap<String, MutableList<Mark>> = mutableMapOf()

 var username: String = ""
@@ -145,10 +142,6 @@ var password: String = ""

 val client = OkHttpClient()

-var resetNav: Boolean = false
-
-var isAPISetUp: Boolean = false
-
 enum class LectureNoteType {
    Normal, // obycejna poznamka
    Writing, // pisemny test
@@ -203,10 +196,10 @@ const val tokenUrl = "$apiBaseUrl/connect/token"
 var token: String = ""
 const val userDataUrl = "$apiBaseUrl/v1/user"
 var userData: String = ""
-var studentId: String = ""
+//var studentId: String = ""
 const val timeTableUrl = "$apiBaseUrl/v1/timeTable"
 var syid = "" // school year id
-var marksUrl = "$apiBaseUrl/v1/students/$studentId/marks/list?SemesterId=$syid"
+var marksUrl = "$apiBaseUrl/v1/students/abc/marks/list?SemesterId=$syid"

 class Subject {
    lateinit var name: String
@@ -284,44 +277,68 @@ class Mark {
    }
 }

-object FilePaths {
-    const val accountData: String = "account_data.txt"
-    const val timeTable: String = "timetable.json"
-    const val userData: String = "userdata.json"
-    const val marks: String = "marks.json"
-    const val settings: String = "settings.txt"
-    const val lectureNotes: String = "lecture_notes.csv"
-}
-
-object APIEndpoints {
-    const val apiBaseUrl = "https://aplikace.skolaonline.cz/solapi/api"
-    const val tokenUrl = "$apiBaseUrl/connect/token"
-    lateinit var token: String
-    const val userDataUrl = "$apiBaseUrl/v1/user"
-    lateinit var userData: String
-    lateinit var studentId: String
-    const val timeTableUrl = "$apiBaseUrl/v1/timeTable"
-    var marksUrl = "$apiBaseUrl/v1/students/$studentId/marks/list?SemesterId=$syid"
-}
-
-enum class MainElement {
+enum class ScreenElement {
    Timetable,
    Marks,
-    Menu
+    Menu,
+    About,
+    Settings
 }

-object Global {
+class Global {
    lateinit var token: String
    lateinit var userData: JSONObject
    lateinit var timetable: List<Day>
+    lateinit var timetableJSON: JSONObject
    lateinit var marks: MutableMap<String, MutableList<Mark>>
-    var noSignInBackHandle: Boolean = false
-    val filePaths: FilePaths = FilePaths
-    val apiEndPoints: APIEndpoints = APIEndpoints
+    lateinit var marksJSON: JSONObject
+    lateinit var studentClass: String
    lateinit var settings: SettingsData
+    lateinit var studentId: String
+    lateinit var fileDir: File
+    var username: String = ""
+    var password: String = ""
+    var isAPISetUp: Boolean = false
+    var noSignInBackHandle: Boolean = false
    var lectureNotes: HashMap<Int, LectureNote> = hashMapOf()
    var currentScreen by mutableStateOf(Screen.Main)
-    var currentMainElement by mutableStateOf(MainElement.Timetable)
+    var currentScreenElement by mutableStateOf(ScreenElement.Timetable)
+    inner class FilePaths {
+        val accountData: String = "account_data.txt"
+        val timeTable: String = "timetable.json"
+        val userData: String = "userdata.json"
+        val marks: String = "marks.json"
+        val settings: String = "settings.txt"
+        val lectureNotes: String = "lecture_notes.csv"
+    }
+    val filePaths = FilePaths()
+    inner class APIEndPoints {
+        val apiBaseUrl = "https://aplikace.skolaonline.cz/solapi/api"
+        val tokenUrl = "$apiBaseUrl/connect/token"
+        lateinit var token: String
+        val userDataUrl = "$apiBaseUrl/v1/user"
+        lateinit var userData: String
+        val timeTableUrl = "$apiBaseUrl/v1/timeTable"
+        lateinit var marksUrl: String
+    }
+    val apiEndPoints = APIEndPoints()
+    inner class Dimens {
+        val borderWidth = 5.dp
+        val roundedCorner = 8.dp
+    }
+    val dimens = Dimens()
+    inner class Modifiers {
+        var bar = Modifier
+            .fillMaxWidth()
+            .height(100.dp)
+            .padding(20.dp)
+            .border(
+                width = Dimens().borderWidth,
+                color = PastelYellow,
+                shape = RoundedCornerShape(Dimens().roundedCorner)
+            )
+    }
+    val modifiers = Modifiers()
 }

-val global = Global
+val global = Global()
@@ -1,308 +1,112 @@
 package com.odweta.solon

 import android.content.Context
-import android.widget.Toast
-import androidx.compose.ui.graphics.Color
+import android.util.Log
 import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.launch
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
 import org.json.JSONObject

-private var week: List<Day> = mutableListOf()
-private var toastShowing: Boolean = false
-private var toastShown: Boolean = false
-private var toast2Shown: Boolean = false
+fun launchStart(ctx: Context) {
+    if (Account.haveSaved()) {
+        if (Util.internetAvail(ctx)) {
+            remoteLoad(ctx)
+        } else {
+            localLoad(ctx)
+        }
+    } else {
+        global.noSignInBackHandle = true
+        screenToShow.value = Screen.SignIn
+    }
+}

-private lateinit var coscope_: CoroutineScope
+fun remoteLoad(ctx: Context) {
+    var remoteTimetable: JSONObject
+    var remoteMarks: JSONObject
+    if (!global.isAPISetUp) {
+        CoroutineScope(Dispatchers.IO)
+            .launch {
+                Network.setupAPI()
+                remoteTimetable = Network.getTimeTable()
+                global.timetableJSON = remoteTimetable
+                remoteMarks = Network.getMarks()
+                global.marksJSON = remoteMarks

-private fun setOnInternetAvailListener(ctx: Context, coscope: CoroutineScope) {
+                launchContinue(
+                    ctx,
+                    remoteTimetable,
+                    remoteMarks
+                )
+            }
+    } else {
+        launchContinue(
+            ctx,
+            global.timetableJSON,
+            global.marksJSON
+        )
+    }
+}
+
+fun localLoad(ctx: Context) {
+    val localTimetable = JSONObject(Util.fileToString(timeTableFilePath))
+    val localMarks = JSONObject(Util.fileToString(marksFilePath))
+
+    launchContinue(
+        ctx,
+        localTimetable,
+        localMarks
+    )
+}
+
+fun launchContinue(
+    ctx: Context,
+    timetable: JSONObject,
+    marks: JSONObject
+) {
+    // parse timetable and marks
+    val parsedTimetable = Parsing.parseTimetable(timetable)
+    global.timetable = parsedTimetable
+    val parsedMarks = Parsing.parseMarks(marks)
+    global.marks = parsedMarks
+
+    // load the settings
+    val settingsData = Util.fileToString(global.filePaths.settings).toSettingsData()
+    global.settings = settingsData
+
+    // load the lecture notes
+    val lectureNotes = Util.fileToString(global.filePaths.lectureNotes)
+    Parsing.parseLectureNotes(lectureNotes)
+
+    // listen for internet availability in case of disconnection
+    if (!internetAwaitListenerRunning)
+        setOnInternetAvailListener(ctx)
+
+    // show the default (main) screen
+    global.currentScreen = Screen.Main
+
+    // inside show the timetable
+    global.currentScreenElement = ScreenElement.Timetable
+}
+
+private fun setOnInternetAvailListener(ctx: Context) {
    internetAwaitListenerRunning = true
-    coscope.launch {
+    var internetAvail = Util.internetAvail(ctx)
+    CoroutineScope(Dispatchers.IO).launch {
        while (true) {
            if (Util.internetAvail(ctx) && !internetAvail) {
                internetAvail = Util.internetAvail(ctx)
-                coscope.launch {
-                    fetchNewData(ctx, coscope)
+                CoroutineScope(Dispatchers.IO).launch {
+                    remoteLoad(ctx)
                }
            } else if (!internetAvail) {
                internetAvail = Util.internetAvail(ctx)
-                toolbarText.value = "Bez připojení k internetu."
+                showStatus("Bez připojení k internetu.")
            } else {
                internetAvail = Util.internetAvail(ctx)
            }
+
            delay(1000) // Check for internet availability every second
        }
    }
-}
-
-fun fetchNewData(ctx: Context, coscope: CoroutineScope) {
-    coscope.launch {
-        done = false
-
-        // variables for the loading animation
-        val loadingArray: Array<String> = arrayOf(
-            "Načítání nových dat",
-            "Načítání nových dat.",
-            "Načítání nových dat..",
-            "Načítání nových dat...",
-            "Načítání nových dat..",
-            "Načítání nových dat."
-        )
-        val delayTime: Long = 300 // delay in ms
-
-        // show a loading animation
-        while (!done && Util.internetAvail(ctx)) {
-            for (text in loadingArray) {
-                if (done) break
-                toolbarText.value = text
-                delay(delayTime)
-            }
-        }
-
-        // determine the role of the student
-        val role = if (Parsing.userIsParent()) {
-            " – Rodič"
-        } else {
-            " – Student"
-        }
-
-        // display the full name of the user in the toolbar
-        toolbarText.value =
-            "${
-                JSONObject(
-                Util.fileToString(
-                    userDataFilePath
-                )
-            ).getString("fullName")}$role"
-    }
-
-    coscope.launch {
-        launchPhase1(ctx)
-    }
-}
-
-fun launchPhase0(ctx: Context, coscope: CoroutineScope) {
-    // start a sign in activity
-    // gather input and put it into global state (if login is needed)
-    // otherwise show the splash screen and load the app
-
-    /* check if there is a saved user account
-     *
-     * if yes, use that
-     * otherwise show the login activity
-     */
-
-    coscope_ = coscope
-    fileDir = ctx.filesDir
-    width = Util.getDisplayWidth(ctx)
-    height = Util.getDisplayHeight(ctx)
-
-    val accSaved: Boolean = Account.haveSaved()
-
-    if (!accSaved) {
-        // show the sign in screen
-        screenToShow.value = Screen.SignIn
-    } else {
-        // show the splash/loading screen
-        screenToShow.value = Screen.Splash
-        coscope.launch {
-            // launch!
-            launchPhase1(ctx)
-        }
-    }
-}
-
-private suspend fun launchPhase1(ctx: Context) {
-    // TODO: CONVERT TO SNACKBARS
-    val toast: Toast = Toast.makeText(
-        ctx,
-        "Nelze načíst data, zkuste se připojit k internetu.",
-        Toast.LENGTH_LONG
-    )
-
-    val toast2: Toast = Toast.makeText(
-        ctx,
-        "Připojeno k internetu.",
-        Toast.LENGTH_SHORT
-    )
-    
-    // check if the file is available offline,
-    // if yes, load the data and don't connect to the internet
-    internetAvail = Util.internetAvail(ctx)
-    timeTableAvailOffline =
-        Util.fileExists(timeTableFilePath) && !Util.fileIsEmpty(timeTableFilePath)
-    marksAvailOffline =
-        Util.fileExists(marksFilePath) && !Util.fileIsEmpty(marksFilePath)
-
-    if (toastShown && internetAvail && !toast2Shown) {
-        toast2Shown = true
-        toast2.show()
-    }
-
-    if (!timeTableAvailOffline || !marksAvailOffline || internetAvail) {
-        // set up the API (required for later uses of it)
-        if (!isAPISetUp) {
-            Network.setupAPI()
-        }
-
-        if (internetAvail) {
-            // cancel a toast, if any
-            if (toastShowing && !toastShown) {
-                toast.cancel()
-            }
-
-            // get the JSON data
-            var timeTableJSON = Network.getTimeTableJSON()
-            if (timeTableJSON == """{"error": "network"}""") {
-                timeTableJSON = Util.fileToString(timeTableFilePath)
-            }
-
-            // fetch and parse marks
-            marksJSON = Network.getMarksJSON()
-            if (marksJSON == """{"error": "network"}""") {
-                marksJSON = Util.fileToString(marksFilePath)
-            }
-
-            timeTableAvailOffline =
-                Util.saveStringToFile(timeTableFilePath, timeTableJSON)
-            marksAvailOffline =
-                Util.saveStringToFile(marksFilePath, marksJSON)
-
-            // parse the data
-            week = Parsing.parseTimeTableJSON(timeTableJSON)
-            marks = Parsing.parseMarksJSON(marksJSON)
-
-            // set the settings
-            if (Util.fileExists(settingsDataFilePath) && !Util.fileIsEmpty(settingsDataFilePath)) {
-                settings = Util.stringToSettingsData(Util.fileToString(settingsDataFilePath))
-            } // else load the default settings
-
-            // continue to launch phase 2
-            done = true
-            launchPhase2(ctx)
-        } else {
-            if (timeTableAvailOffline) {
-                // cancel a toast, if any
-                if (toastShowing && !toastShown) {
-                    toast.cancel()
-                }
-
-                // load the offline data
-                val timeTableJSON = Util.fileToString(timeTableFilePath)
-
-                // parse the data
-                if (timeTableJSON != "") {
-                    // cancel a toast, if any
-                    if (toastShowing && !toastShown) {
-                        toast.cancel()
-                    }
-
-                    // parse the data
-                    week = Parsing.parseTimeTableJSON(timeTableJSON)
-
-                    // continue launching
-                    done = true
-                    launchPhase2(ctx)
-                } else {
-                    // make a toast or something
-                    toast.show()
-
-                    // try to reconnect to the internet
-                    launchPhase1(ctx)
-                }
-            } else {
-                // make a toast or something
-                if (!toastShown) {
-                    toast.show()
-                    toastShowing = true
-                    toastShown = true
-                }
-
-                // try to reconnect to the internet
-                launchPhase1(ctx)
-            }
-        }
-    } else {
-        // load offline
-
-        // cancel a toast, if any
-        if (toastShowing && !toastShown) {
-            toast.cancel()
-        }
-
-        // load the offline data
-        val timeTableJSON = Util.fileToString(timeTableFilePath)
-
-        marksJSON = Util.fileToString(marksFilePath)
-        if (marksJSON == "") {
-            marksJSON =
-                """{"message": "Zatím žádné známky, zkuste aktualizovat data."}"""
-        }
-
-        // parse the data
-        if (timeTableJSON != "") {
-            // cancel a toast, if any
-            if (toastShowing && !toastShown) {
-                toast.cancel()
-            }
-
-            // parse the data
-            week = Parsing.parseTimeTableJSON(timeTableJSON)
-
-            marks = Parsing.parseMarksJSON(marksJSON)
-
-            // continue launching
-            done = true
-            launchPhase2(ctx)
-        } else {
-            // make a toast or something
-            if (!toastShown) {
-                toast.show()
-                toastShowing = true
-                toastShown = true
-            }
-
-            // try to reconnect to the internet
-            launchPhase1(ctx)
-        }
-    }
-}
-    
-private fun launchPhase2(ctx: Context) {
-    days = week
-    for ((i, day) in week.withIndex()) {
-        dayMap[i] = day
-        dayList.add(day)
-    }
-
-    Util.loadLectureNotes()
-
-    loaded = true
-
-    coscope_.launch {
-        if (!internetAwaitListenerRunning) {
-            setOnInternetAvailListener(ctx, coscope_)
-        }
-    }
-
-    val role = if (Parsing.userIsParent()) {
-        " – Rodič"
-    } else {
-        " – Student"
-    }
-
-    toolbarText.value = "${
-        JSONObject(
-            Util.fileToString(
-                userDataFilePath
-            )
-        ).getString("fullName")
-    }$role"
-
-    // set the main content view
-    screenToShow.value = Screen.Main
-
-    if (settings.showRefreshButton.checked.value) {
-        refreshButtonContentColor.value = Color.White
-    }
 }
@@ -1,111 +0,0 @@
-package com.odweta.solon
-
-import android.content.Context
-import androidx.compose.runtime.mutableStateOf
-import com.odweta.solon.Util.Companion.getLectureId
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.launch
-import org.json.JSONObject
-
-fun launchStart(ctx: Context) {
-    if (Account.haveSaved()) {
-        if (Util.internetAvail(ctx)) {
-            remoteLoad(ctx)
-        } else {
-            localLoad(ctx)
-        }
-    } else {
-        global.noSignInBackHandle = true
-        screenToShow.value = Screen.SignIn
-    }
-}
-
-fun remoteLoad(ctx: Context) {
-    if (!isAPISetUp)
-        CoroutineScope(Dispatchers.IO)
-            .launch { Network.setupAPI() }
-
-    lateinit var token: String
-    CoroutineScope(Dispatchers.IO)
-        .launch { token = Network.getToken() }
-    global.token = token
-
-    lateinit var userData: JSONObject
-    CoroutineScope(Dispatchers.IO)
-        .launch { userData = Network.getUserData() }
-    global.userData = userData
-
-    lateinit var remoteTimetable: JSONObject
-    CoroutineScope(Dispatchers.IO)
-        .launch { remoteTimetable = Network.getTimeTable() }
-
-    lateinit var remoteMarks: JSONObject
-    CoroutineScope(Dispatchers.IO)
-        .launch { remoteMarks = Network.getMarks() }
-
-    launchContinue(
-        ctx,
-        remoteTimetable,
-        remoteMarks
-    )
-}
-
-fun localLoad(ctx: Context) {
-    val localTimetable = JSONObject(Util.fileToString(timeTableFilePath))
-    val localMarks = JSONObject(Util.fileToString(marksFilePath))
-
-    launchContinue(
-        ctx,
-        localTimetable,
-        localMarks
-    )
-}
-
-fun launchContinue(
-    ctx: Context,
-    timetable: JSONObject,
-    marks: JSONObject
-) {
-    // parse timetable and marks
-    val parsedTimetable = Parsing.parseTimetable(timetable)
-    global.timetable = parsedTimetable
-    val parsedMarks = Parsing.parseMarks(marks)
-    global.marks = parsedMarks
-
-    // load the settings
-    val settingsData = Util.fileToString(global.filePaths.settings).toSettingsData()
-    global.settings = settingsData
-
-    // load the lecture notes
-    val lectureNotes = Util.fileToString(global.filePaths.lectureNotes)
-    Parsing.parseLectureNotes(lectureNotes)
-
-    // listen for internet availability in case of disconnection
-    if (!internetAwaitListenerRunning)
-        setOnInternetAvailListener(ctx)
-
-    // show the default (main) screen
-    global.currentScreen = Screen.Main
-
-    // inside show the timetable
-    global.currentMainElement = MainElement.Timetable
-}
-
-private fun setOnInternetAvailListener(ctx: Context) {
-    internetAwaitListenerRunning = true
-    CoroutineScope(Dispatchers.IO).launch {
-        while (true) {
-            if (Util.internetAvail(ctx)) {
-                CoroutineScope(Dispatchers.IO).launch {
-                    remoteLoad(ctx)
-                }
-            } else {
-                showStatus("Bez připojení k internetu.")
-            }
-
-            delay(1000) // Check for internet availability every second
-        }
-    }
-}
@@ -24,19 +24,13 @@ class MainActivity : ComponentActivity() {
        super.onCreate(savedInstanceState)

        makeStatusBarBlack(window)
+        global.fileDir = applicationContext.filesDir
+
+        launchStart(applicationContext)

        setContent {
-            if (!loaded) {
-                launchPhase0(LocalContext.current, rememberCoroutineScope())
-            }
-
-            when (signedInAndReadyToLaunch.value) {
-                true -> launchPhase0(LocalContext.current, rememberCoroutineScope())
-                else -> {}
-            }
-
            SolonTheme {
-                when (screenToShow.value) {
+                when (global.currentScreen) {
                    Screen.Main -> MainScreen()
                    Screen.Splash -> SplashScreen()
                    Screen.SignIn -> SignInScreen()
@@ -46,14 +40,14 @@ class MainActivity : ComponentActivity() {
    }

    @Composable
-    fun MainScreen(modifier: Modifier = Modifier) {
+    fun MainScreen() {
        Column(
            modifier = Modifier
                .fillMaxSize()
                .background(Color.Black)
        ) {
            Box(
-                modifier = barModifier,
+                modifier = global.modifiers.bar,
                contentAlignment = Alignment.Center
            ) {
                ToolbarScreen()
@@ -64,17 +58,17 @@ class MainActivity : ComponentActivity() {
                    .fillMaxWidth()
                    .weight(1f)
            ) {
-                when (isShowing) {
-                    IsShowing.Timetable -> TimetableScreen()
-                    IsShowing.Marks -> MarksScreen()
-                    IsShowing.Menu -> MenuScreen()
-                    IsShowing.About -> AboutScreen()
-                    IsShowing.Settings -> SettingsScreen()
+                when (global.currentScreenElement) {
+                    ScreenElement.Timetable -> TimetableScreen()
+                    ScreenElement.Marks -> MarksScreen()
+                    ScreenElement.Menu -> MenuScreen()
+                    ScreenElement.About -> AboutScreen()
+                    ScreenElement.Settings -> SettingsScreen()
                }
            }

            Box(
-                modifier = barModifier,
+                modifier = global.modifiers.bar,
                contentAlignment = Alignment.Center
            ) {
                NavbarScreen()
@@ -34,9 +34,8 @@ private var menuColor: MutableState<Color> = mutableStateOf(Color.White)
 var refreshButtonContentColor: MutableState<Color> = mutableStateOf(Color.White)

@Composable
-fun NavbarScreen(modifier: Modifier = Modifier) {
+fun NavbarScreen() {
    val ctx = LocalContext.current
-    val coscope = rememberCoroutineScope()
    Row(
        modifier = Modifier.fillMaxWidth(),
        horizontalArrangement = Arrangement.Center,
@@ -47,7 +46,7 @@ fun NavbarScreen(modifier: Modifier = Modifier) {
            spacerModifier = 15.dp
            Button(
                onClick = {
-                    fetchNewData(ctx, coscope)
+                    remoteLoad(ctx)
                    refreshButtonContentColor.value = PastelYellow
                },
                colors = ButtonDefaults.buttonColors(
@@ -11,243 +11,135 @@ import java.io.IOException

 class Network {
    companion object {
-        suspend fun getToken(): String {
-            return withContext(Dispatchers.IO) {
-                val request = Request.Builder()
-                    .url(tokenUrl)
-                    .header("Content-Type", "application/x-www-form-urlencoded")
-                    .post(
-                        FormBody.Builder()
-                            .add("grant_type", "password")
-                            .add("username", username)
-                            .add("password", password)
-                            .add("client_id", "test_client")
-                            .add("scope", "openid offline_access profile sol_api")
-                            .build()
-                    )
-                    .build()
+        fun getToken(): String {
+            val request = Request.Builder()
+                .url(global.apiEndPoints.tokenUrl)
+                .header("Content-Type", "application/x-www-form-urlencoded")
+                .post(
+                    FormBody.Builder()
+                        .add("grant_type", "password")
+                        .add("username", global.username)
+                        .add("password", global.password)
+                        .add("client_id", "test_client")
+                        .add("scope", "openid offline_access profile sol_api")
+                        .build()
+                )
+                .build()

-                try {
-                    val resp = client.newCall(request).execute()
-                    val respString = resp.body?.string().toString()
-                    if (JSONObject(respString).has("access_token")) {
-                        JSONObject(respString).getString("access_token")
-                    } else {
-                        """"error": "network""""
-                    }
-                    //val respJson = respString?.let { JSONObject(it) }
-                    //respJson.toString()
-                } catch (e: JSONException) {
-                    """{"error": "json"}"""
-                } catch (e: Exception) {
-                    //e.printStackTrace()
-                    """{"error": "network"}"""
-                }
-            }
-        }
-
-        suspend fun setupAPI() {
-            return withContext(Dispatchers.IO) {
-                token = "NETWORK_UNREACHABLE"
-                token = getToken()
-                if (""""error": """ !in token) {
-                    token = JSONObject(token).get("access_token").toString()
-                }
-                if (token == "NETWORK_UNREACHABLE" || """"error": """ in token) {
-                    userData = ""
-                    studentId = ""
-                    internetAvail = false
-                    return@withContext
-                }
-                internetAvail = true
-                userData = getUserDataJSON()
-                Util.saveStringToFile(userDataFilePath, userData)
-                studentClass = if (!Parsing.userIsParent()) {
-                    JSONObject(
-                        Util.fileToString(userDataFilePath)
-                    ).getJSONObject("class").get("name").toString()
+            return try {
+                val resp = client.newCall(request).execute()
+                val respString = resp.body?.string().toString()
+                if (JSONObject(respString).has("access_token")) {
+                    JSONObject(respString).getString("access_token")
                } else {
-                    // if the user is a parent, the class will be of their first child
-                    JSONObject(
-                        Util.fileToString(userDataFilePath)
-                    ).getJSONArray("children").getJSONObject(0).getString("className")
+                    """"error": "network""""
                }
-                studentId = getStudentId()
-                //syid = getSYID()
-                syid = ""
-
-                marksUrl = "$apiBaseUrl/v1/students/$studentId/marks/list"//?SemesterId=${syid}"
-
-                isAPISetUp = true
+                //val respJson = respString?.let { JSONObject(it) }
+                //respJson.toString()
+            } catch (e: JSONException) {
+                """{"error": "json"}"""
+            } catch (e: Exception) {
+                //e.printStackTrace()
+                """{"error": "network"}"""
            }
        }

-        /*private fun getSYID(): String {
-            val f = Util.fileToString(userDataFilePath)
-
-            lateinit var syidRoot: String
-            lateinit var toAdd: String
-
-            if (!Parsing.userIsParent()) {
-                syidRoot = JSONObject(f).getString("schoolYearId")
-                toAdd = JSONObject(f).getString("studyYear")
+        fun setupAPI() {
+            global.token = "NETWORK_UNREACHABLE"
+            val token = getToken()
+            if (""""error": """ !in token) {
+                global.token = token
+            }
+            if (global.token == "NETWORK_UNREACHABLE" || """"error": """ in global.token) {
+                global.userData = JSONObject()
+                global.studentId = ""
+                return
+            }
+            global.userData = getUserData()
+            Util.saveStringToFile(global.filePaths.userData, global.userData.toString())
+            global.studentClass = if (!Parsing.userIsParent()) {
+                JSONObject(
+                    Util.fileToString(global.filePaths.userData)
+                ).getJSONObject("class").getString("name")
            } else {
-                syidRoot = JSONObject(f)
-                    .getJSONArray("children")
-                    .getJSONObject(0)
-                    .getString("schoolYearId")
-
-                toAdd = JSONObject(f)
-                    .getJSONArray("children")
-                    .getJSONObject(0)
-                    .getString("studyYear")
+                // if the user is a parent, the class will be of their first child
+                JSONObject(
+                    Util.fileToString(global.filePaths.userData)
+                ).getJSONArray("children").getJSONObject(0).getString("className")
            }
+            global.studentId = getStudentId()

-            val syidStart = syidRoot[0]
-            var syidNum = syidRoot.slice(1..<syidRoot.length).toInt()
+            global.apiEndPoints.marksUrl = "$apiBaseUrl/v1/students/${global.studentId}/marks/list"

-            for (ch in toAdd) {
-                syidNum += 1
-            }
+            global.isAPISetUp = true
+        }

-            return syidStart.toString() + syidNum.toString()
-        }*/
-
-        private fun getStudentId(): String {
+        fun getStudentId(): String {
            return if (!Parsing.userIsParent()) {
-                JSONObject(userData).getString("personID")
+                global.userData.getString("personID")
            } else {
-                JSONObject(userData).getJSONArray("children")
+                global.userData.getJSONArray("children")
                    .getJSONObject(0)
                    .getString("id")
            }
        }

-        private suspend fun getUserDataJSON(): String {
-            return withContext(Dispatchers.IO) {
-                val request = Request.Builder()
-                    .url(userDataUrl)
-                    .header("Content-Type", "application/x-www-form-urlencoded")
-                    .header("Authorization", "Bearer $token") // using Bearer auth token
-                    .get()
-                    .build()
+        fun getUserData(): JSONObject {
+            val request = Request.Builder()
+                .url(global.apiEndPoints.userDataUrl)
+                .header("Content-Type", "application/x-www-form-urlencoded")
+                .header("Authorization", "Bearer ${global.token}") // using Bearer auth token
+                .get()
+                .build()

-                try {
-                    val resp = client.newCall(request).execute()
-                    val respString = resp.body?.string().toString()
-                    respString
-                } catch (e: IOException) {
-                    """{"error": "network"}"""
-                }
+            return try {
+                val resp = client.newCall(request).execute()
+                val respString = resp.body?.string().toString()
+                JSONObject(respString)
+            } catch (e: JSONException) {
+                JSONObject("""{"error": "json"}""")
+            } catch (e: IOException) {
+                JSONObject("""{"error": "network"}""")
            }
        }

-        suspend fun getUserData(): JSONObject {
-            return withContext(Dispatchers.IO) {
-                val request = Request.Builder()
-                    .url(userDataUrl)
-                    .header("Content-Type", "application/x-www-form-urlencoded")
-                    .header("Authorization", "Bearer $token") // using Bearer auth token
-                    .get()
-                    .build()
+        fun getTimeTable(): JSONObject {
+            val userIsParent = Parsing.userIsParent()
+            val url = if (!userIsParent) global.apiEndPoints.timeTableUrl
+            else "${global.apiEndPoints.timeTableUrl}?studentId=${global.studentId}"

-                try {
-                    val resp = client.newCall(request).execute()
-                    val respString = resp.body?.string().toString()
-                    JSONObject(respString)
-                } catch (e: JSONException) {
-                    JSONObject("""{"error": "json"}""")
-                } catch (e: IOException) {
-                    JSONObject("""{"error": "network"}""")
-                }
+            val request = Request.Builder()
+                .url(url)
+                .header("Content-Type", "application/x-www-form-urlencoded")
+                .header("Authorization", "Bearer ${global.token}")
+                .get()
+                .build()
+
+            return try {
+                val resp = client.newCall(request).execute()
+                JSONObject(resp.body?.string().toString())
+            } catch (e: JSONException) {
+                JSONObject("""{"error": "json"}""")
+            } catch (e: IOException) {
+                JSONObject("""{"error": "network"}""")
            }
        }

-        suspend fun getTimeTableJSON(): String {
-            return withContext(Dispatchers.IO) {
-                val userIsParent = Parsing.userIsParent()
-                var url = timeTableUrl
-                if (userIsParent) {
-                    url += "?studentId=$studentId"
-                }
+        fun getMarks(): JSONObject {
+            val request = Request.Builder()
+                .url(global.apiEndPoints.marksUrl)
+                .header("Content-Type", "application/x-www-form-urlencoded")
+                .header("Authorization", "Bearer ${global.token}")
+                .get()
+                .build()

-                val request = Request.Builder()
-                    .url(url)
-                    .header("Content-Type", "application/x-www-form-urlencoded")
-                    .header("Authorization", "Bearer $token")
-                    .get()
-                    .build()
-
-                try {
-                    val resp = client.newCall(request).execute()
-                    resp.body?.string().toString()
-                } catch (e: IOException) {
-                    """{"error": "network"}"""
-                }
-            }
-        }
-
-        suspend fun getTimeTable(): JSONObject {
-            return withContext(Dispatchers.IO) {
-                val userIsParent = Parsing.userIsParent()
-                var url = timeTableUrl
-                if (userIsParent) {
-                    url += "?studentId=$studentId"
-                }
-
-                val request = Request.Builder()
-                    .url(url)
-                    .header("Content-Type", "application/x-www-form-urlencoded")
-                    .header("Authorization", "Bearer $token")
-                    .get()
-                    .build()
-
-                try {
-                    val resp = client.newCall(request).execute()
-                    JSONObject(resp.body?.string().toString())
-                } catch (e: JSONException) {
-                    JSONObject("""{"error": "json"}""")
-                } catch (e: IOException) {
-                    JSONObject("""{"error": "network"}""")
-                }
-            }
-        }
-
-        suspend fun getMarksJSON(): String {
-            return withContext(Dispatchers.IO) {
-                val request = Request.Builder()
-                    .url(marksUrl)
-                    .header("Content-Type", "application/x-www-form-urlencoded")
-                    .header("Authorization", "Bearer $token")
-                    .get()
-                    .build()
-
-                try {
-                    val resp = client.newCall(request).execute()
-                    resp.body?.string().toString()
-                } catch (e: IOException) {
-                    """{"error": "network"}"""
-                }
-            }
-        }
-
-        suspend fun getMarks(): JSONObject {
-            return withContext(Dispatchers.IO) {
-                val request = Request.Builder()
-                    .url(marksUrl)
-                    .header("Content-Type", "application/x-www-form-urlencoded")
-                    .header("Authorization", "Bearer $token")
-                    .get()
-                    .build()
-
-                try {
-                    val resp = client.newCall(request).execute()
-                    JSONObject(resp.body?.string().toString())
-                } catch (e: JSONException) {
-                    JSONObject("""{"error": "json"}""")
-                } catch (e: IOException) {
-                    JSONObject("""{"error": "network"}""")
-                }
+            return try {
+                val resp = client.newCall(request).execute()
+                JSONObject(resp.body?.string().toString())
+            } catch (e: JSONException) {
+                JSONObject("""{"error": "json"}""")
+            } catch (e: IOException) {
+                JSONObject("""{"error": "network"}""")
            }
        }
    }
@@ -1,5 +1,6 @@
 package com.odweta.solon

+import android.util.Log
 import androidx.compose.runtime.mutableStateOf
 import com.odweta.solon.Util.Companion.getLectureId
 import org.json.JSONObject
@@ -52,6 +53,7 @@ class Parsing {
        }

        fun parseTimetable(jsonString: JSONObject): List<Day> {
+            Log.d("debug", "gotten json: $jsonString")
            val jsonObject = jsonString

            /*
@@ -338,9 +340,9 @@ class Parsing {

            val marksList = mutableListOf<JSONObject>()

-            val marksJSONArray = JSONObject(jsonString).getJSONArray("marks")
+            val marksJSONArray = jsonString.getJSONArray("marks")

-            val subjectsJSONArray = JSONObject(jsonString).getJSONArray("subjects")
+            val subjectsJSONArray = jsonString.getJSONArray("subjects")
            val subjectMap = mutableMapOf<String, String>()

            for (i in 0..<subjectsJSONArray.length()) {
@@ -150,6 +150,9 @@ fun SettingsTableRow(setting: Setting) {

 fun String.toSettingsData(): SettingsData {
    val settings = this.split("\n")
+    if (settings.size <= 1) {
+        return SettingsData()
+    }
    val auxSettingsData = SettingsData()
    val useSvobodaMode = settings[0].split("#")
    val useAmoledMode = settings[1].split("#")
@@ -86,16 +86,14 @@ fun signInButtonCallback(ctx: Context, coscope: CoroutineScope, buttonText: Stri
    }

    coscope.launch {
-        signedInAndReadyToLaunch.value = false
        val valid = Account.isValid(acc)

        checked = true

        if (valid) {
            Account.save(acc)
-            signedInAndReadyToLaunch.value = true
-            screenToShow.value = Screen.Splash
-            fetchNewData(ctx, coscope)
+            global.currentScreen = Screen.Splash
+            launchStart(ctx)
        } else {
            Toast.makeText(
                ctx,
@@ -111,7 +109,7 @@ fun SignInScreen() {
    // handle the back gesture (back swipe form side or back button on bottom android navbar)
    if (!global.noSignInBackHandle) {
        BackHandler {
-            screenToShow.value = Screen.Main
+            global.currentScreen = Screen.Main
        }
    }

@@ -147,7 +145,7 @@ fun SignInScreen() {
                modifier = Modifier
                    .border(
                        width = 5.dp, color = PastelYellow, shape = RoundedCornerShape(
-                            roundedCornerDimen
+                            global.dimens.roundedCorner
                        )
                    )
                    .width(230.dp),
@@ -174,7 +172,7 @@ fun SignInScreen() {
                        width = 5.dp,
                        color = PastelYellow,
                        shape = RoundedCornerShape(
-                            roundedCornerDimen
+                            global.dimens.roundedCorner
                        )
                    ),
                colors = TextFieldDefaults.colors(
@@ -211,7 +209,7 @@ fun SignInScreen() {
                modifier = Modifier
                    .border(
                        width = 5.dp,
-                        shape = RoundedCornerShape(roundedCornerDimen),
+                        shape = RoundedCornerShape(global.dimens.roundedCorner),
                        color = PastelYellow
                    )
                    .width(230.dp)
@@ -36,7 +36,7 @@ class Util {

        fun saveStringToFile(filePath: String, s: String): Boolean {
            // get a file object with the specified path
-            val f = File(fileDir, filePath)
+            val f = File(global.fileDir, filePath)

            // if it does not exist, create it
            if (!f.exists()) {
@@ -58,7 +58,7 @@ class Util {
        }

        fun fileToString(filePath: String): String {
-            val f = File(fileDir, filePath)
+            val f = File(global.fileDir, filePath)

            return if (f.exists()) {
                if (f.canRead()) {
@@ -76,12 +76,12 @@ class Util {
        }

        fun fileExists(filePath: String): Boolean {
-            val f = File(fileDir, filePath)
+            val f = File(global.fileDir, filePath)
            return f.exists()
        }

        fun fileIsEmpty(filePath: String): Boolean {
-            val f = File(fileDir, filePath)
+            val f = File(global.fileDir, filePath)
            val content = f.readText()
            return content == ""
        }
@@ -101,7 +101,7 @@ class Util {
        }

        fun deleteFile(path: String): Boolean {
-            val f = File(fileDir, path)
+            val f = File(global.fileDir, path)

            if (f.exists()) {
                try {