Warn of potential duplicates when adding to library (#691)

app/src/main/java/com/lagradost/cloudstream3/MainAPI.kt

@@ -1246,6 +1246,18 @@ interface LoadResponse {
             return this.syncData[aniListIdPrefix]
         }
 
+        fun LoadResponse.getImdbId(): String? {
+            return normalSafeApiCall {
+                SimklApi.readIdFromString(this.syncData[simklIdPrefix])?.get(SimklApi.Companion.SyncServices.Imdb)
+            }
+        }
+
+        fun LoadResponse.getTMDbId(): String? {
+            return normalSafeApiCall {
+                SimklApi.readIdFromString(this.syncData[simklIdPrefix])?.get(SimklApi.Companion.SyncServices.Tmdb)
+            }
+        }
+
         fun LoadResponse.addMalId(id: Int?) {
             this.syncData[malIdPrefix] = (id ?: return).toString()
             this.addSimklId(SimklApi.Companion.SyncServices.Mal, id.toString())

app/src/main/java/com/lagradost/cloudstream3/MainActivity.kt

@@ -1306,7 +1306,7 @@ class MainActivity : AppCompatActivity(), ColorPickerDialogListener {
                                 this@MainActivity.getString(R.string.action_add_to_bookmarks),
                                 showApply = false,
                                 {}) {
-                                viewModel.updateWatchStatus(WatchType.values()[it])
+                                viewModel.updateWatchStatus(WatchType.values()[it], this@MainActivity)
                             }
                         }
 

app/src/main/java/com/lagradost/cloudstream3/syncproviders/providers/SimklApi.kt

@@ -203,7 +203,7 @@ class SimklApi(index: Int) : AccountManager(index), SyncAPI {
         }
 
         /** Read the id string to get all other ids */
-        private fun readIdFromString(idString: String?): Map<SyncServices, String> {
+        fun readIdFromString(idString: String?): Map<SyncServices, String> {
             return tryParseJson(idString) ?: return emptyMap()
         }
 

app/src/main/java/com/lagradost/cloudstream3/ui/home/HomeParentItemAdapterPreview.kt

@@ -378,21 +378,25 @@ class HomeParentItemAdapterPreview(
                         showApply = false,
                         {}) {
                         val newValue = WatchType.values()[it]
-                        homePreviewBookmark.setCompoundDrawablesWithIntrinsicBounds(
-                            null,
-                            ContextCompat.getDrawable(
-                                homePreviewBookmark.context,
-                                newValue.iconRes
-                            ),
-                            null,
-                            null
-                        )
-                        homePreviewBookmark.setText(newValue.stringRes)
 
-                        ResultViewModel2.updateWatchStatus(
-                            item,
-                            newValue
-                        )
+                        ResultViewModel2().updateWatchStatus(
+                            newValue,
+                            fab.context,
+                            item
+                        ) { statusChanged: Boolean ->
+                            if (!statusChanged) return@updateWatchStatus
+
+                            homePreviewBookmark.setCompoundDrawablesWithIntrinsicBounds(
+                                null,
+                                ContextCompat.getDrawable(
+                                    homePreviewBookmark.context,
+                                    newValue.iconRes
+                                ),
+                                null,
+                                null
+                            )
+                            homePreviewBookmark.setText(newValue.stringRes)
+                        }
                     }
                 }
             }

app/src/main/java/com/lagradost/cloudstream3/ui/result/ResultFragmentPhone.kt

@@ -430,34 +430,36 @@ open class ResultFragmentPhone : FullScreenPlayer() {
                     }
                 })
             resultSubscribe.setOnClickListener {
-                val isSubscribed =
-                    viewModel.toggleSubscriptionStatus() ?: return@setOnClickListener
+                viewModel.toggleSubscriptionStatus(context) { newStatus: Boolean? ->
+                    if (newStatus == null) return@toggleSubscriptionStatus
 
-                val message = if (isSubscribed) {
-                    // Kinda icky to have this here, but it works.
-                    SubscriptionWorkManager.enqueuePeriodicWork(context)
-                    R.string.subscription_new
-                } else {
-                    R.string.subscription_deleted
+                    val message = if (newStatus) {
+                            // Kinda icky to have this here, but it works.
+                            SubscriptionWorkManager.enqueuePeriodicWork(context)
+                            R.string.subscription_new
+                        } else {
+                            R.string.subscription_deleted
+                        }
+
+                        val name = (viewModel.page.value as? Resource.Success)?.value?.title
+                            ?: txt(R.string.no_data).asStringNull(context) ?: ""
+                        CommonActivity.showToast(txt(message, name), Toast.LENGTH_SHORT)
                 }
-
-                val name = (viewModel.page.value as? Resource.Success)?.value?.title
-                    ?: txt(R.string.no_data).asStringNull(context) ?: ""
-                CommonActivity.showToast(txt(message, name), Toast.LENGTH_SHORT)
             }
             resultFavorite.setOnClickListener {
-                val isFavorite =
-                    viewModel.toggleFavoriteStatus() ?: return@setOnClickListener
+                viewModel.toggleFavoriteStatus(context) { newStatus: Boolean? ->
+                    if (newStatus == null) return@toggleFavoriteStatus
 
-                val message = if (isFavorite) {
-                    R.string.favorite_added
-                } else {
-                    R.string.favorite_removed
+                    val message = if (newStatus) {
+                        R.string.favorite_added
+                    } else {
+                        R.string.favorite_removed
+                    }
+
+                    val name = (viewModel.page.value as? Resource.Success)?.value?.title
+                        ?: txt(R.string.no_data).asStringNull(context) ?: ""
+                    CommonActivity.showToast(txt(message, name), Toast.LENGTH_SHORT)
                 }
-
-                val name = (viewModel.page.value as? Resource.Success)?.value?.title
-                    ?: txt(R.string.no_data).asStringNull(context) ?: ""
-                CommonActivity.showToast(txt(message, name), Toast.LENGTH_SHORT)
             }
             mediaRouteButton.apply {
                 val chromecastSupport = api?.hasChromecastSupport == true
@@ -960,7 +962,7 @@ open class ResultFragmentPhone : FullScreenPlayer() {
                         fab.context.getString(R.string.action_add_to_bookmarks),
                         showApply = false,
                         {}) {
-                        viewModel.updateWatchStatus(WatchType.values()[it])
+                        viewModel.updateWatchStatus(WatchType.values()[it], context)
                     }
                 }
             }

app/src/main/java/com/lagradost/cloudstream3/ui/result/ResultFragmentTv.kt

@@ -531,7 +531,7 @@ class ResultFragmentTv : Fragment() {
                         view.context.getString(R.string.action_add_to_bookmarks),
                         showApply = false,
                         {}) {
-                        viewModel.updateWatchStatus(WatchType.values()[it])
+                        viewModel.updateWatchStatus(WatchType.values()[it], context)
                     }
                 }
             }
@@ -557,17 +557,19 @@ class ResultFragmentTv : Fragment() {
                 setIconResource(drawable)
                 setText(text)
                 setOnClickListener {
-                    val isFavorite = viewModel.toggleFavoriteStatus() ?: return@setOnClickListener
+                    viewModel.toggleFavoriteStatus(context) { newStatus: Boolean? ->
+                        if (newStatus == null) return@toggleFavoriteStatus
 
-                    val message = if (isFavorite) {
-                        R.string.favorite_added
-                    } else {
-                        R.string.favorite_removed
+                        val message = if (newStatus) {
+                            R.string.favorite_added
+                        } else {
+                            R.string.favorite_removed
+                        }
+
+                        val name = (viewModel.page.value as? Resource.Success)?.value?.title
+                            ?: txt(R.string.no_data).asStringNull(context) ?: ""
+                        CommonActivity.showToast(txt(message, name), Toast.LENGTH_SHORT)
                     }
-
-                    val name = (viewModel.page.value as? Resource.Success)?.value?.title
-                        ?: txt(R.string.no_data).asStringNull(context) ?: ""
-                    CommonActivity.showToast(txt(message, name), Toast.LENGTH_SHORT)
                 }
             }
         }

app/src/main/java/com/lagradost/cloudstream3/ui/result/ResultViewModel2.kt

@@ -7,6 +7,8 @@ import android.os.Build
 import android.os.Bundle
 import android.util.Log
 import android.widget.Toast
+import androidx.annotation.MainThread
+import androidx.appcompat.app.AlertDialog
 import androidx.core.content.FileProvider
 import androidx.core.net.toUri
 import androidx.lifecycle.LiveData
@@ -31,6 +33,7 @@ import com.lagradost.cloudstream3.mvvm.*
 import com.lagradost.cloudstream3.syncproviders.AccountManager
 import com.lagradost.cloudstream3.syncproviders.SyncAPI
 import com.lagradost.cloudstream3.syncproviders.providers.Kitsu
+import com.lagradost.cloudstream3.syncproviders.providers.SimklApi
 import com.lagradost.cloudstream3.ui.APIRepository
 import com.lagradost.cloudstream3.ui.WatchType
 import com.lagradost.cloudstream3.ui.download.DOWNLOAD_NAVIGATE_TO
@@ -45,22 +48,37 @@ import com.lagradost.cloudstream3.utils.*
 import com.lagradost.cloudstream3.utils.AppUtils.getNameFull
 import com.lagradost.cloudstream3.utils.AppUtils.isAppInstalled
 import com.lagradost.cloudstream3.utils.AppUtils.isConnectedToChromecast
+import com.lagradost.cloudstream3.utils.AppUtils.setDefaultFocus
 import com.lagradost.cloudstream3.utils.CastHelper.startCast
 import com.lagradost.cloudstream3.utils.Coroutines.ioSafe
 import com.lagradost.cloudstream3.utils.Coroutines.ioWork
 import com.lagradost.cloudstream3.utils.Coroutines.ioWorkSafe
 import com.lagradost.cloudstream3.utils.Coroutines.main
+import com.lagradost.cloudstream3.utils.DataStoreHelper.deleteBookmarkedData
+import com.lagradost.cloudstream3.utils.DataStoreHelper.getAllBookmarkedData
+import com.lagradost.cloudstream3.utils.DataStoreHelper.getAllFavorites
+import com.lagradost.cloudstream3.utils.DataStoreHelper.getAllSubscriptions
+import com.lagradost.cloudstream3.utils.DataStoreHelper.getBookmarkedData
 import com.lagradost.cloudstream3.utils.DataStoreHelper.getDub
 import com.lagradost.cloudstream3.utils.DataStoreHelper.getFavoritesData
+import com.lagradost.cloudstream3.utils.DataStoreHelper.getLastWatched
 import com.lagradost.cloudstream3.utils.DataStoreHelper.getResultEpisode
 import com.lagradost.cloudstream3.utils.DataStoreHelper.getResultSeason
 import com.lagradost.cloudstream3.utils.DataStoreHelper.getResultWatchState
+import com.lagradost.cloudstream3.utils.DataStoreHelper.getSubscribedData
+import com.lagradost.cloudstream3.utils.DataStoreHelper.getVideoWatchState
 import com.lagradost.cloudstream3.utils.DataStoreHelper.getViewPos
 import com.lagradost.cloudstream3.utils.DataStoreHelper.removeFavoritesData
+import com.lagradost.cloudstream3.utils.DataStoreHelper.removeSubscribedData
+import com.lagradost.cloudstream3.utils.DataStoreHelper.setBookmarkedData
 import com.lagradost.cloudstream3.utils.DataStoreHelper.setDub
 import com.lagradost.cloudstream3.utils.DataStoreHelper.setFavoritesData
 import com.lagradost.cloudstream3.utils.DataStoreHelper.setResultEpisode
 import com.lagradost.cloudstream3.utils.DataStoreHelper.setResultSeason
+import com.lagradost.cloudstream3.utils.DataStoreHelper.setResultWatchState
+import com.lagradost.cloudstream3.utils.DataStoreHelper.setSubscribedData
+import com.lagradost.cloudstream3.utils.DataStoreHelper.setVideoWatchState
+import com.lagradost.cloudstream3.utils.DataStoreHelper.updateSubscribedData
 import com.lagradost.cloudstream3.utils.UIHelper.navigate
 import kotlinx.coroutines.*
 import java.io.File
@@ -113,6 +131,18 @@ data class ResultData(
     val plotHeaderText: UiText,
 )
 
+data class CheckDuplicateData(
+    val name: String,
+    val year: Int?,
+    val syncData: Map<String, String>?
+)
+
+enum class LibraryListType {
+    BOOKMARKS,
+    FAVORITES,
+    SUBSCRIPTIONS
+}
+
 fun txt(status: DubStatus?): UiText? {
     return txt(
         when (status) {
@@ -441,33 +471,6 @@ class ResultViewModel2 : ViewModel() {
             return this?.firstOrNull { it.season == season }
         }
 
-        fun updateWatchStatus(currentResponse: LoadResponse, status: WatchType) {
-            val currentId = currentResponse.getId()
-
-            val currentWatchType = getResultWatchState(currentId)
-
-            DataStoreHelper.setResultWatchState(currentId, status.internalId)
-            val current = DataStoreHelper.getBookmarkedData(currentId)
-            val currentTime = System.currentTimeMillis()
-            DataStoreHelper.setBookmarkedData(
-                currentId,
-                DataStoreHelper.BookmarkedData(
-                    currentId,
-                    current?.bookmarkedTime ?: currentTime,
-                    currentTime,
-                    currentResponse.name,
-                    currentResponse.url,
-                    currentResponse.apiName,
-                    currentResponse.type,
-                    currentResponse.posterUrl,
-                    currentResponse.year
-                )
-            )
-            if (currentWatchType != status) {
-                MainActivity.bookmarksUpdatedEvent(true)
-            }
-        }
-
         private fun filterName(name: String?): String? {
             if (name == null) return null
             Regex("[eE]pisode [0-9]*(.*)").find(name)?.groupValues?.get(1)?.let {
@@ -822,9 +825,77 @@ class ResultViewModel2 : ViewModel() {
     val selectPopup: LiveData<SelectPopup?> = _selectPopup
 
 
-    fun updateWatchStatus(status: WatchType) {
-        updateWatchStatus(currentResponse ?: return, status)
-        _watchStatus.postValue(status)
+    fun updateWatchStatus(
+        status: WatchType,
+        context: Context?,
+        loadResponse: LoadResponse? = null,
+        statusChangedCallback: ((statusChanged: Boolean) -> Unit)? = null
+    ) {
+        val response = loadResponse ?: currentResponse ?: return
+
+        val currentId = response.getId()
+
+        val currentStatus = getResultWatchState(currentId)
+
+        // If the current status is "NONE" and the new status is not "NONE",
+        // fetch the bookmarked data to check for duplicates, otherwise set this
+        // to an empty list, so that we don't show the duplicate warning dialog,
+        // but we still want to update the current bookmark and refresh the data anyway.
+        val bookmarkedData = if (currentStatus == WatchType.NONE && status != WatchType.NONE) {
+            getAllBookmarkedData()
+        } else emptyList()
+
+        checkAndWarnDuplicates(
+            context,
+            LibraryListType.BOOKMARKS,
+            CheckDuplicateData(
+                name = response.name,
+                year = response.year,
+                syncData = response.syncData,
+            ),
+            bookmarkedData
+        ) { shouldContinue: Boolean, duplicateIds: List<Int?> ->
+            if (!shouldContinue) return@checkAndWarnDuplicates
+
+            if (duplicateIds.isNotEmpty()) {
+                duplicateIds.forEach { duplicateId ->
+                    deleteBookmarkedData(duplicateId)
+                }
+            }
+
+            setResultWatchState(currentId, status.internalId)
+
+            // We don't need to store if WatchType.NONE.
+            // The key is removed in setResultWatchState, we don't want to
+            // re-add it again here if it was just removed.
+            if (status != WatchType.NONE) {
+                val current = getBookmarkedData(currentId)
+
+                setBookmarkedData(
+                    currentId,
+                    DataStoreHelper.BookmarkedData(
+                        current?.bookmarkedTime ?: unixTimeMS,
+                        currentId,
+                        unixTimeMS,
+                        response.name,
+                        response.url,
+                        response.apiName,
+                        response.type,
+                        response.posterUrl,
+                        response.year,
+                        response.syncData
+                    )
+                )
+            }
+
+            if (currentStatus != status) {
+                MainActivity.bookmarksUpdatedEvent(true)
+            }
+
+            _watchStatus.postValue(status)
+
+            statusChangedCallback?.invoke(true)
+        }
     }
 
     private fun startChromecast(
@@ -839,73 +910,255 @@ class ResultViewModel2 : ViewModel() {
     }
 
     /**
-     * @return true if the new status is Subscribed, false if not. Null if not possible to subscribe.
-     **/
-    fun toggleSubscriptionStatus(): Boolean? {
-        val isSubscribed = _subscribeStatus.value ?: return null
-        val response = currentResponse ?: return null
-        if (response !is EpisodeResponse) return null
+     * Toggles the subscription status of an item.
+     *
+     * @param context The context to use for operations.
+     * @param statusChangedCallback A callback that is invoked when the subscription status changes.
+     *        It provides the new subscription status (true if subscribed, false if unsubscribed, null if action was canceled).
+     */
+    fun toggleSubscriptionStatus(
+        context: Context?,
+        statusChangedCallback: ((newStatus: Boolean?) -> Unit)? = null
+    ) {
+        val isSubscribed = _subscribeStatus.value ?: return
+        val response = currentResponse ?: return
+        if (response !is EpisodeResponse) return
 
         val currentId = response.getId()
 
         if (isSubscribed) {
-            DataStoreHelper.removeSubscribedData(currentId)
+            removeSubscribedData(currentId)
+            statusChangedCallback?.invoke(false)
+            _subscribeStatus.postValue(false)
         } else {
-            val current = DataStoreHelper.getSubscribedData(currentId)
+            checkAndWarnDuplicates(
+                context,
+                LibraryListType.SUBSCRIPTIONS,
+                CheckDuplicateData(
+                    name = response.name,
+                    year = response.year,
+                    syncData = response.syncData,
+                ),
+                getAllSubscriptions(),
+            ) { shouldContinue: Boolean, duplicateIds: List<Int?> ->
+                if (!shouldContinue) {
+                    statusChangedCallback?.invoke(null)
+                    return@checkAndWarnDuplicates
+                }
 
-            DataStoreHelper.setSubscribedData(
-                currentId,
-                DataStoreHelper.SubscribedData(
+                if (duplicateIds.isNotEmpty()) {
+                    duplicateIds.forEach { duplicateId ->
+                        removeSubscribedData(duplicateId)
+                    }
+                }
+
+                val current = getSubscribedData(currentId)
+
+                setSubscribedData(
                     currentId,
-                    current?.bookmarkedTime ?: unixTimeMS,
-                    unixTimeMS,
-                    response.getLatestEpisodes(),
-                    response.name,
-                    response.url,
-                    response.apiName,
-                    response.type,
-                    response.posterUrl,
-                    response.year
+                    DataStoreHelper.SubscribedData(
+                        current?.subscribedTime ?: unixTimeMS,
+                        response.getLatestEpisodes(),
+                        currentId,
+                        unixTimeMS,
+                        response.name,
+                        response.url,
+                        response.apiName,
+                        response.type,
+                        response.posterUrl,
+                        response.year,
+                        response.syncData
+                    )
                 )
-            )
-        }
 
-        _subscribeStatus.postValue(!isSubscribed)
-        return !isSubscribed
+                _subscribeStatus.postValue(true)
+
+                statusChangedCallback?.invoke(true)
+            }
+        }
     }
 
     /**
-     * @return true if added to favorites, false if not. Null if not possible to favorite.
-     **/
-    fun toggleFavoriteStatus(): Boolean? {
-        val isFavorite = _favoriteStatus.value ?: return null
-        val response = currentResponse ?: return null
+     * Toggles the favorite status of an item.
+     *
+     * @param context The context to use.
+     * @param statusChangedCallback A callback that is invoked when the favorite status changes.
+     *        It provides the new favorite status (true if added to favorites, false if removed, null if action was canceled).
+     */
+    fun toggleFavoriteStatus(
+        context: Context?,
+        statusChangedCallback: ((newStatus: Boolean?) -> Unit)? = null
+    ) {
+        val isFavorite = _favoriteStatus.value ?: return
+        val response = currentResponse ?: return
 
         val currentId = response.getId()
 
         if (isFavorite) {
             removeFavoritesData(currentId)
+            statusChangedCallback?.invoke(false)
+            _favoriteStatus.postValue(false)
         } else {
-            val current = getFavoritesData(currentId)
+            checkAndWarnDuplicates(
+                context,
+                LibraryListType.FAVORITES,
+                CheckDuplicateData(
+                    name = response.name,
+                    year = response.year,
+                    syncData = response.syncData,
+                ),
+                getAllFavorites(),
+            ) { shouldContinue: Boolean, duplicateIds: List<Int?> ->
+                if (!shouldContinue) {
+                    statusChangedCallback?.invoke(null)
+                    return@checkAndWarnDuplicates
+                }
 
-            setFavoritesData(
-                currentId,
-                DataStoreHelper.FavoritesData(
+                if (duplicateIds.isNotEmpty()) {
+                    duplicateIds.forEach { duplicateId ->
+                        removeFavoritesData(duplicateId)
+                    }
+                }
+
+                val current = getFavoritesData(currentId)
+
+                setFavoritesData(
                     currentId,
-                    current?.favoritesTime ?: unixTimeMS,
-                    unixTimeMS,
-                    response.name,
-                    response.url,
-                    response.apiName,
-                    response.type,
-                    response.posterUrl,
-                    response.year
+                    DataStoreHelper.FavoritesData(
+                        current?.favoritesTime ?: unixTimeMS,
+                        currentId,
+                        unixTimeMS,
+                        response.name,
+                        response.url,
+                        response.apiName,
+                        response.type,
+                        response.posterUrl,
+                        response.year,
+                        response.syncData
+                    )
                 )
-            )
+
+                _favoriteStatus.postValue(true)
+
+                statusChangedCallback?.invoke(true)
+            }
+        }
+    }
+
+    @MainThread
+    private fun checkAndWarnDuplicates(
+        context: Context?,
+        listType: LibraryListType,
+        checkDuplicateData: CheckDuplicateData,
+        data: List<DataStoreHelper.LibrarySearchResponse>,
+        checkDuplicatesCallback: (shouldContinue: Boolean, duplicateIds: List<Int?>) -> Unit
+    ) {
+        val whitespaceRegex = "\\s+".toRegex()
+        fun normalizeString(input: String): String {
+            /**
+             * Trim the input string and replace consecutive spaces with a single space.
+             * This covers some edge-cases where the title does not match exactly across providers,
+             * and one provider has the title with an extra whitespace. This is minor enough that
+             * it should still match in this case.
+             */
+            return input.trim().replace(whitespaceRegex, " ")
         }
 
-        _favoriteStatus.postValue(!isFavorite)
-        return !isFavorite
+        val syncData = checkDuplicateData.syncData
+
+        val imdbId = getImdbIdFromSyncData(syncData)
+        val tmdbId = getTMDbIdFromSyncData(syncData)
+        val malId = syncData?.get(AccountManager.malApi.idPrefix)
+        val aniListId = syncData?.get(AccountManager.aniListApi.idPrefix)
+        val normalizedName = normalizeString(checkDuplicateData.name)
+        val year = checkDuplicateData.year
+
+        val duplicateEntries = data.filter { it: DataStoreHelper.LibrarySearchResponse ->
+            val librarySyncData = it.syncData
+
+            val checks = listOf(
+                { imdbId != null && getImdbIdFromSyncData(librarySyncData) == imdbId },
+                { tmdbId != null && getTMDbIdFromSyncData(librarySyncData) == tmdbId },
+                { malId != null && librarySyncData?.get(AccountManager.malApi.idPrefix) == malId },
+                { aniListId != null && librarySyncData?.get(AccountManager.aniListApi.idPrefix) == aniListId },
+                { normalizedName == normalizeString(it.name) && year == it.year }
+            )
+
+            checks.any { it() }
+        }
+
+        if (duplicateEntries.isEmpty() || context == null) {
+            checkDuplicatesCallback.invoke(true, emptyList())
+            return
+        }
+
+        val replaceMessage = if (duplicateEntries.size > 1) {
+            R.string.duplicate_replace_all
+        } else R.string.duplicate_replace
+
+        val message = if (duplicateEntries.size == 1) {
+            val list = when (listType) {
+                LibraryListType.BOOKMARKS -> getResultWatchState(duplicateEntries[0].id ?: 0).stringRes
+                LibraryListType.FAVORITES -> R.string.favorites_list_name
+                LibraryListType.SUBSCRIPTIONS -> R.string.subscription_list_name
+            }
+
+            context.getString(R.string.duplicate_message_single,
+                "${normalizeString(duplicateEntries[0].name)} (${context.getString(list)}) — ${duplicateEntries[0].apiName}"
+            )
+        } else {
+            val bulletPoints = duplicateEntries.joinToString("\n") {
+                val list = when (listType) {
+                    LibraryListType.BOOKMARKS -> getResultWatchState(it.id ?: 0).stringRes
+                    LibraryListType.FAVORITES -> R.string.favorites_list_name
+                    LibraryListType.SUBSCRIPTIONS -> R.string.subscription_list_name
+                }
+
+                "• ${it.apiName}: ${normalizeString(it.name)} (${context.getString(list)})"
+            }
+
+            context.getString(R.string.duplicate_message_multiple, bulletPoints)
+        }
+
+        val builder: AlertDialog.Builder = AlertDialog.Builder(context)
+
+        val dialogClickListener =
+            DialogInterface.OnClickListener { _, which ->
+                when (which) {
+                    DialogInterface.BUTTON_POSITIVE -> {
+                        checkDuplicatesCallback.invoke(true, emptyList())
+                    }
+                    DialogInterface.BUTTON_NEGATIVE -> {
+                        checkDuplicatesCallback.invoke(false, emptyList())
+                    }
+                    DialogInterface.BUTTON_NEUTRAL -> {
+                        checkDuplicatesCallback.invoke(true, duplicateEntries.map { it.id })
+                    }
+                }
+            }
+
+        builder.setTitle(R.string.duplicate_title)
+            .setMessage(message)
+            .setPositiveButton(R.string.duplicate_add, dialogClickListener)
+            .setNegativeButton(R.string.duplicate_cancel, dialogClickListener)
+            .setNeutralButton(replaceMessage, dialogClickListener)
+            .show().setDefaultFocus()
+    }
+
+    private fun getImdbIdFromSyncData(syncData: Map<String, String>?): String? {
+        return normalSafeApiCall {
+            SimklApi.readIdFromString(
+                syncData?.get(AccountManager.simklApi.idPrefix)
+            )[SimklApi.Companion.SyncServices.Imdb]
+        }
+    }
+
+    private fun getTMDbIdFromSyncData(syncData: Map<String, String>?): String? {
+        return normalSafeApiCall {
+            SimklApi.readIdFromString(
+                syncData?.get(AccountManager.simklApi.idPrefix)
+            )[SimklApi.Companion.SyncServices.Tmdb]
+        }
     }
 
     private fun startChromecast(
@@ -1259,7 +1512,7 @@ class ResultViewModel2 : ViewModel() {
                 // Do not add mark as watched on movies
                 if (!listOf(TvType.Movie, TvType.AnimeMovie).contains(click.data.tvType)) {
                     val isWatched =
-                        DataStoreHelper.getVideoWatchState(click.data.id) == VideoWatchState.Watched
+                        getVideoWatchState(click.data.id) == VideoWatchState.Watched
 
                     val watchedText = if (isWatched) R.string.action_remove_from_watched
                     else R.string.action_mark_as_watched
@@ -1508,12 +1761,12 @@ class ResultViewModel2 : ViewModel() {
 
             ACTION_MARK_AS_WATCHED -> {
                 val isWatched =
-                    DataStoreHelper.getVideoWatchState(click.data.id) == VideoWatchState.Watched
+                    getVideoWatchState(click.data.id) == VideoWatchState.Watched
 
                 if (isWatched) {
-                    DataStoreHelper.setVideoWatchState(click.data.id, VideoWatchState.None)
+                    setVideoWatchState(click.data.id, VideoWatchState.None)
                 } else {
-                    DataStoreHelper.setVideoWatchState(click.data.id, VideoWatchState.Watched)
+                    setVideoWatchState(click.data.id, VideoWatchState.Watched)
                 }
 
                 // Kinda dirty to reload all episodes :(
@@ -1722,7 +1975,7 @@ class ResultViewModel2 : ViewModel() {
                 list.subList(start, end).map {
                     val posDur = getViewPos(it.id)
                     val watchState =
-                        DataStoreHelper.getVideoWatchState(it.id) ?: VideoWatchState.None
+                        getVideoWatchState(it.id) ?: VideoWatchState.None
                     it.copy(
                         position = posDur?.position ?: 0,
                         duration = posDur?.duration ?: 0,
@@ -1783,8 +2036,8 @@ class ResultViewModel2 : ViewModel() {
     private fun postSubscription(loadResponse: LoadResponse) {
         if (loadResponse.isEpisodeBased()) {
             val id = loadResponse.getId()
-            val data = DataStoreHelper.getSubscribedData(id)
-            DataStoreHelper.updateSubscribedData(id, data, loadResponse as? EpisodeResponse)
+            val data = getSubscribedData(id)
+            updateSubscribedData(id, data, loadResponse as? EpisodeResponse)
             val isSubscribed = data != null
             _subscribeStatus.postValue(isSubscribed)
         }
@@ -2162,13 +2415,13 @@ class ResultViewModel2 : ViewModel() {
         postResume()
     }
 
-    fun postResume() {
+    private fun postResume() {
         _resumeWatching.postValue(resume())
     }
 
     private fun resume(): ResumeWatchingStatus? {
         val correctId = currentId ?: return null
-        val resume = DataStoreHelper.getLastWatched(correctId)
+        val resume = getLastWatched(correctId)
         val resumeParentId = resume?.parentId
         if (resumeParentId != correctId) return null // is null or smth went wrong with getLastWatched
         val resumeId = resume.episodeId ?: return null// invalid episode id

app/src/main/java/com/lagradost/cloudstream3/utils/DataStoreHelper.kt

@@ -352,20 +352,35 @@ object DataStoreHelper {
     /**
      * Used to display notifications on new episodes and posters in library.
      **/
-    data class SubscribedData(
+    abstract class LibrarySearchResponse(
         @JsonProperty("id") override var id: Int?,
-        @JsonProperty("subscribedTime") val bookmarkedTime: Long,
-        @JsonProperty("latestUpdatedTime") val latestUpdatedTime: Long,
-        @JsonProperty("lastSeenEpisodeCount") val lastSeenEpisodeCount: Map<DubStatus, Int?>,
+        @JsonProperty("latestUpdatedTime") open val latestUpdatedTime: Long,
         @JsonProperty("name") override val name: String,
         @JsonProperty("url") override val url: String,
         @JsonProperty("apiName") override val apiName: String,
-        @JsonProperty("type") override var type: TvType? = null,
+        @JsonProperty("type") override var type: TvType?,
         @JsonProperty("posterUrl") override var posterUrl: String?,
-        @JsonProperty("year") val year: Int?,
-        @JsonProperty("quality") override var quality: SearchQuality? = null,
-        @JsonProperty("posterHeaders") override var posterHeaders: Map<String, String>? = null,
-    ) : SearchResponse {
+        @JsonProperty("year") open val year: Int?,
+        @JsonProperty("syncData") open val syncData: Map<String, String>?,
+        @JsonProperty("quality") override var quality: SearchQuality?,
+        @JsonProperty("posterHeaders") override var posterHeaders: Map<String, String>?
+    ) : SearchResponse
+
+    data class SubscribedData(
+        @JsonProperty("subscribedTime") val subscribedTime: Long,
+        @JsonProperty("lastSeenEpisodeCount") val lastSeenEpisodeCount: Map<DubStatus, Int?>,
+        override var id: Int?,
+        override val latestUpdatedTime: Long,
+        override val name: String,
+        override val url: String,
+        override val apiName: String,
+        override var type: TvType?,
+        override var posterUrl: String?,
+        override val year: Int?,
+        override val syncData: Map<String, String>? = null,
+        override var quality: SearchQuality? = null,
+        override var posterHeaders: Map<String, String>? = null
+    ) : LibrarySearchResponse(id, latestUpdatedTime, name, url, apiName, type, posterUrl, year, syncData, quality, posterHeaders) {
         fun toLibraryItem(): SyncAPI.LibraryItem? {
             return SyncAPI.LibraryItem(
                 name,
@@ -381,18 +396,19 @@ object DataStoreHelper {
     }
 
     data class BookmarkedData(
-        @JsonProperty("id") override var id: Int?,
         @JsonProperty("bookmarkedTime") val bookmarkedTime: Long,
-        @JsonProperty("latestUpdatedTime") val latestUpdatedTime: Long,
-        @JsonProperty("name") override val name: String,
-        @JsonProperty("url") override val url: String,
-        @JsonProperty("apiName") override val apiName: String,
-        @JsonProperty("type") override var type: TvType? = null,
-        @JsonProperty("posterUrl") override var posterUrl: String?,
-        @JsonProperty("year") val year: Int?,
-        @JsonProperty("quality") override var quality: SearchQuality? = null,
-        @JsonProperty("posterHeaders") override var posterHeaders: Map<String, String>? = null,
-    ) : SearchResponse {
+        override var id: Int?,
+        override val latestUpdatedTime: Long,
+        override val name: String,
+        override val url: String,
+        override val apiName: String,
+        override var type: TvType?,
+        override var posterUrl: String?,
+        override val year: Int?,
+        override val syncData: Map<String, String>? = null,
+        override var quality: SearchQuality? = null,
+        override var posterHeaders: Map<String, String>? = null
+    ) : LibrarySearchResponse(id, latestUpdatedTime, name, url, apiName, type, posterUrl, year, syncData, quality, posterHeaders) {
         fun toLibraryItem(id: String): SyncAPI.LibraryItem {
             return SyncAPI.LibraryItem(
                 name,
@@ -408,18 +424,19 @@ object DataStoreHelper {
     }
 
     data class FavoritesData(
-        @JsonProperty("id") override var id: Int?,
         @JsonProperty("favoritesTime") val favoritesTime: Long,
-        @JsonProperty("latestUpdatedTime") val latestUpdatedTime: Long,
-        @JsonProperty("name") override val name: String,
-        @JsonProperty("url") override val url: String,
-        @JsonProperty("apiName") override val apiName: String,
-        @JsonProperty("type") override var type: TvType? = null,
-        @JsonProperty("posterUrl") override var posterUrl: String?,
-        @JsonProperty("year") val year: Int?,
-        @JsonProperty("quality") override var quality: SearchQuality? = null,
-        @JsonProperty("posterHeaders") override var posterHeaders: Map<String, String>? = null,
-    ) : SearchResponse {
+        override var id: Int?,
+        override val latestUpdatedTime: Long,
+        override val name: String,
+        override val url: String,
+        override val apiName: String,
+        override var type: TvType?,
+        override var posterUrl: String?,
+        override val year: Int?,
+        override val syncData: Map<String, String>? = null,
+        override var quality: SearchQuality? = null,
+        override var posterHeaders: Map<String, String>? = null
+    ) : LibrarySearchResponse(id, latestUpdatedTime, name, url, apiName, type, posterUrl, year, syncData, quality, posterHeaders) {
         fun toLibraryItem(): SyncAPI.LibraryItem? {
             return SyncAPI.LibraryItem(
                 name,
@@ -572,6 +589,12 @@ object DataStoreHelper {
         return getKey("$currentAccount/$RESULT_WATCH_STATE_DATA", id.toString())
     }
 
+    fun getAllBookmarkedData(): List<BookmarkedData> {
+        return getKeys("$currentAccount/$RESULT_WATCH_STATE_DATA")?.mapNotNull {
+            getKey(it)
+        } ?: emptyList()
+    }
+
     fun getAllSubscriptions(): List<SubscribedData> {
         return getKeys("$currentAccount/$RESULT_SUBSCRIBED_STATE_DATA")?.mapNotNull {
             getKey(it)

app/src/main/res/values/strings.xml

@@ -686,13 +686,32 @@
     <string name="qualities">Qualities</string>
     <string name="profile_background_des">Profile background</string>
     <string name="unable_to_inflate">UI was unable to be created correctly, this is a MAJOR BUG and should be reported immediately %s</string>
-
-
-    <string name="tv_no_focus_tag" translatable="false">tv_no_focus_tag</string>
     <string name="already_voted">You have already voted</string>
+
     <string name="favorites_list_name">Favorites</string>
     <string name="favorite_added">%s added to favorites</string>
     <string name="favorite_removed">%s removed from favorites</string>
     <string name="action_add_to_favorites">Add to favorites</string>
     <string name="action_remove_from_favorites">Remove from favorites</string>
+
+    <string name="duplicate_title">Potential Duplicate Found</string>
+    <string name="duplicate_add">Add</string>
+    <string name="duplicate_replace">Replace</string>
+    <string name="duplicate_replace_all">Replace All</string>
+    <string name="duplicate_cancel" translatable="false">@string/sort_cancel</string>
+    <string name="duplicate_message_single">
+        It appears that a potentially duplicate item already exists in your library: \'%1$s.\'
+
+        \n\nWould you like to add this item anyway, replace the existing one, or cancel the action?
+    </string>
+    <string name="duplicate_message_multiple">
+        Potential duplicate items have been found in your library:
+
+        \n\n%1$s
+
+        \n\nWould you like to add this item anyway, replace the existing ones, or cancel the action?
+    </string>
+
+
+    <string name="tv_no_focus_tag" translatable="false">tv_no_focus_tag</string>
 </resources>