Fixed ScheduleUpdateSheet.kt not updating and deleting events... somehow. Also implemented cheat codes hehe

app/src/main/java/com/denizk0461/studip/db/AppRepository.kt

@@ -135,12 +135,32 @@ class AppRepository(app: Application) {
      * Deletes all canteen offers from the database.
      */
     fun nukeOffers() {
-        dao.nukeOfferItems()
-        dao.nukeOfferCategories()
-        dao.nukeOfferCanteens()
-        dao.nukeOfferDates()
+        nukeOfferItems()
+        nukeOfferCategories()
+        nukeOfferCanteens()
+        nukeOfferDates()
     }
 
+    /**
+     * Deletes all canteen items from the database.
+     */
+    fun nukeOfferItems() { dao.nukeOfferItems() }
+
+    /**
+     * Deletes all canteen categories from the database.
+     */
+    fun nukeOfferCategories() { dao.nukeOfferCategories() }
+
+    /**
+     * Deletes all canteens from the database.
+     */
+    fun nukeOfferCanteens() { dao.nukeOfferCanteens() }
+
+    /**
+     * Deletes all canteen dates from the database.
+     */
+    fun nukeOfferDates() { dao.nukeOfferDates() }
+
     /**
      * Inserts a date into the database.
      *

app/src/main/java/com/denizk0461/studip/fragment/SettingsFragment.kt

@@ -107,7 +107,14 @@ class SettingsFragment : AppFragment() {
 
         // Set long click listener for licences button to open dev code sheet
         binding.buttonLicences.setOnLongClickListener {
-            openBottomSheet(DevCodeSheet())
+            openBottomSheet(DevCodeSheet(
+                viewModel::nukeEvents,
+                viewModel::nukeOfferItems,
+                viewModel::nukeOfferCategories,
+                viewModel::nukeOfferCanteens,
+                viewModel::nukeOfferDates,
+                viewModel::nukeEverything,
+            ))
             true
         }
 

app/src/main/java/com/denizk0461/studip/sheet/DevCodeSheet.kt

@@ -1,10 +1,130 @@
 package com.denizk0461.studip.sheet
 
+import android.content.Intent
+import android.net.Uri
+import android.os.Bundle
+import android.util.Base64
+import android.view.View
+import android.widget.Toast
 import com.denizk0461.studip.R
+import com.denizk0461.studip.data.viewBinding
+import com.denizk0461.studip.databinding.SheetDevCodeBinding
+import java.nio.charset.StandardCharsets
 
 /**
  * Sheet that presents the user / developer with a text field to input developer codes / cheat
  * codes.
+ *
+ * @param nukeEvents            deletes all events
+ * @param nukeOfferItems        deletes all canteen items
+ * @param nukeOfferCategories   deletes all canteen categories
+ * @param nukeOfferCanteens     deletes all canteens
+ * @param nukeOfferDates        deletes all canteen dates
+ * @param nukeEverything        deletes everything
  */
-class DevCodeSheet : AppSheet(R.layout.sheet_dev_code) {
+class DevCodeSheet(
+    private val nukeEvents: () -> Unit,
+    private val nukeOfferItems: () -> Unit,
+    private val nukeOfferCategories: () -> Unit,
+    private val nukeOfferCanteens: () -> Unit,
+    private val nukeOfferDates: () -> Unit,
+    private val nukeEverything: () -> Unit,
+) : AppSheet(R.layout.sheet_dev_code) {
+
+    // View binding
+    private val binding: SheetDevCodeBinding by viewBinding(SheetDevCodeBinding::bind)
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        // Execute an action based on the input
+        binding.buttonConfirm.setOnClickListener {
+            /*
+             * Codes are implemented here.
+             *
+             * About the inks; they are safe (which is suspicious of me to say), just encoded so
+             * people can't just look at the file and figure out all the codes! Of course, they're
+             * easily decoded, but who would go for that? You would have to be a pretty big nerd to
+             * do that. Then again, I was the one who encoded all of these links in the first place,
+             * so I suppose the joke's on me...
+             *
+             * If you're reading this – why?
+             */
+            when (binding.input.text.toString().uppercase()) {
+                "U1RST0JF".d() -> launchLink("aHR0cHM6Ly95b3V0dS5iZS90S2k5Wi1mNnFYNA==".d())
+                "U1BJUklU".d() -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9XN25lMzlEU05TZw==".d())
+                "Q0xPVURT".d() -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9rbUJ6YTRhNTB2dw==".d())
+                "NjQxODJL".d() -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9EbTFyZ285UHBUcw==".d())
+                "U0FJTE9S".d() -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9QUHlDYXZ6OG5NWQ==".d())
+                "SE9ORVNU".d() -> launchLink("aHR0cHM6Ly95b3V0dS5iZS9DSEg0OE5LUEFraw==".d())
+                "QkJVT0s/".d() -> launchLink("aHR0cHM6Ly95b3V0dS5iZS90Rm1PMm1TY0tHNA==".d())
+                "NEVENT" -> { // nuke events
+                    nukeEvents()
+                    showToast("Nuked all events")
+                }
+                "NCANTE" -> { // nuke canteens
+                    nukeOfferCanteens()
+                    showToast("Nuked all canteens")
+                }
+                "NDATES" -> { // nuke dates
+                    nukeOfferDates()
+                    showToast("Nuked all dates")
+                }
+                "NCATEG" -> { // nuke categories
+                    nukeOfferCategories()
+                    showToast("Nuked all categories")
+                }
+                "NITEMS" -> { // nuke items
+                    nukeOfferItems()
+                    showToast("Nuked all items")
+                }
+                "NEVERY" -> { // nuke everything
+                    nukeEverything()
+                    showToast("Nuked everything")
+                }
+                else -> showToast("code is invalid")
+            }
+            dismiss()
+        }
+    }
+
+    /**
+     * Present the user with a toast.
+     *
+     * @param text  text to display
+     */
+    private fun showToast(text: String) {
+        Toast.makeText(context, text, Toast.LENGTH_SHORT).show()
+    }
+
+    /**
+     * Launches a web link.
+     *
+     * @param link  link to open
+     */
+    private fun launchLink(link: String) {
+        // Let the user know they accomplished something with their life
+        showToast("✨")
+
+        // Give the user a slight dopamine boost
+        startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(link)))
+    }
+
+    /**
+     * Encodes a string to Base64.
+     *
+     * @return the encoded string
+     */
+    private fun String.e(): String = Base64.encodeToString(this.toByteArray(), Base64.DEFAULT)
+
+
+    /**
+     * Decodes Base64 to a regular string.
+     *
+     * @return the decoded string
+     */
+    private fun String.d(): String = String(
+        Base64.decode(this, Base64.DEFAULT),
+        StandardCharsets.UTF_8
+    )
 }

app/src/main/java/com/denizk0461/studip/sheet/ScheduleUpdateSheet.kt

@@ -1,6 +1,7 @@
 package com.denizk0461.studip.sheet
 
 import android.os.Bundle
+import android.util.Log
 import android.view.View
 import androidx.fragment.app.FragmentActivity
 import com.denizk0461.studip.R
@@ -104,8 +105,8 @@ class ScheduleUpdateSheet(
      * @param isEventStart  whether this timestamp is for the start of the course
      */
     override fun onTimeSet(hours: Int, minutes: Int, isEventStart: Boolean) {
-        // Parse the separate ints into a timestamp string
-        val newTimestamp = "$hours:$minutes"
+        // Parse the separate ints into a timestamp string. Add a leading zero if necessary.
+        val newTimestamp = "$hours:${String.format("%02d", minutes)}"
 
         // If start > end, show an error
         if ((isEventStart && newTimestamp.parseToMinutes() > timeslotEnd.parseToMinutes()) ||

app/src/main/java/com/denizk0461/studip/viewmodel/SettingsViewModel.kt

@@ -10,6 +10,44 @@ import com.denizk0461.studip.model.SettingsPreferences
  */
 class SettingsViewModel(app: Application) : AppViewModel(app) {
 
+
+
+    /**
+     * Deletes everything from the database.
+     */
+    fun nukeEverything() {
+        nukeEvents()
+        nukeOfferItems()
+        nukeOfferCategories()
+        nukeOfferCanteens()
+        nukeOfferDates()
+    }
+
+    /**
+     * Deletes all Stud.IP events from the database.
+     */
+    fun nukeEvents() { doAsync { repo.nukeEvents() } }
+
+    /**
+     * Deletes all canteen items from the database.
+     */
+    fun nukeOfferItems() { doAsync { repo.nukeOfferItems() } }
+
+    /**
+     * Deletes all canteen categories from the database.
+     */
+    fun nukeOfferCategories() { doAsync { repo.nukeOfferCategories() } }
+
+    /**
+     * Deletes all canteens from the database.
+     */
+    fun nukeOfferCanteens() { doAsync { repo.nukeOfferCanteens() } }
+
+    /**
+     * Deletes all canteen dates from the database.
+     */
+    fun nukeOfferDates() { doAsync { repo.nukeOfferDates() } }
+
     /**
      * This value determines whether the user wants to have the next course in their schedule
      * highlighted.