Fix NPE that broke uploads

app/src/main/java/fr/free/nrw/commons/contributions/Contribution.kt

@@ -112,7 +112,7 @@ data class Contribution constructor(
          */
         fun formatDescriptions(descriptions: List<UploadMediaDetail>) =
             descriptions
-                .filter { it.descriptionText!!.isNotEmpty() }
+                .filter { !it.descriptionText.isNullOrEmpty() }
                 .joinToString(separator = "") { "{{${it.languageCode}|1=${it.descriptionText}}}" }
     }
 

app/src/main/java/fr/free/nrw/commons/upload/UploadActivity.kt

@@ -836,6 +836,7 @@ class UploadActivity : BaseActivity(), UploadContract.View, UploadBaseFragment.C
                     // Save the user's choice to not show the dialog again
                     defaultKvStore.putBoolean("hasAlreadyLaunchedCategoriesDialog", true)
                 }
+                presenter!!.setupBasicKvStoreFactory { BasicKvStore(this@UploadActivity, it) }
                 presenter!!.checkImageQuality(0)
                 UploadMediaPresenter.isCategoriesDialogShowing = false
             }

app/src/main/java/fr/free/nrw/commons/upload/UploadContract.kt

@@ -2,6 +2,7 @@ package fr.free.nrw.commons.upload
 
 import fr.free.nrw.commons.BasePresenter
 import fr.free.nrw.commons.filepicker.UploadableFile
+import fr.free.nrw.commons.kvstore.BasicKvStore
 
 /**
  * The contract using which the UplaodActivity would communicate with its presenter
@@ -73,5 +74,7 @@ interface UploadContract {
          * @param uploadItemIndex Index of next image, whose quality is to be checked
          */
         fun checkImageQuality(uploadItemIndex: Int)
+
+        fun setupBasicKvStoreFactory(factory: (String) -> BasicKvStore)
     }
 }

app/src/main/java/fr/free/nrw/commons/upload/UploadPresenter.kt

@@ -4,6 +4,7 @@ import android.annotation.SuppressLint
 import fr.free.nrw.commons.CommonsApplication.Companion.IS_LIMITED_CONNECTION_MODE_ENABLED
 import fr.free.nrw.commons.R
 import fr.free.nrw.commons.contributions.Contribution
+import fr.free.nrw.commons.kvstore.BasicKvStore
 import fr.free.nrw.commons.kvstore.JsonKvStore
 import fr.free.nrw.commons.repository.UploadRepository
 import fr.free.nrw.commons.upload.mediaDetails.UploadMediaDetailsContract
@@ -33,6 +34,8 @@ class UploadPresenter @Inject internal constructor(
 
     private val compositeDisposable = CompositeDisposable()
 
+    lateinit var basicKvStoreFactory: (String) -> BasicKvStore
+
     /**
      * Called by the submit button in [UploadActivity]
      */
@@ -125,6 +128,10 @@ class UploadPresenter @Inject internal constructor(
         }
     }
 
+    override fun setupBasicKvStoreFactory(factory: (String) -> BasicKvStore) {
+        basicKvStoreFactory = factory
+    }
+
     /**
      * Calls checkImageQuality of UploadMediaPresenter to check image quality of next image
      *
@@ -132,6 +139,7 @@ class UploadPresenter @Inject internal constructor(
      */
     override fun checkImageQuality(uploadItemIndex: Int) {
         repository.getUploadItem(uploadItemIndex)?.let {
+            presenter.setupBasicKvStoreFactory(basicKvStoreFactory)
             presenter.checkImageQuality(it, uploadItemIndex)
         }
     }

app/src/main/java/fr/free/nrw/commons/upload/mediaDetails/UploadMediaDetailFragment.kt

@@ -197,6 +197,8 @@ class UploadMediaDetailFragment : UploadBaseFragment(), UploadMediaDetailsContra
             )
         }
         presenter.onAttachView(this)
+        presenter.setupBasicKvStoreFactory { BasicKvStore(requireActivity(), it) }
+
         presenter.receiveImage(uploadableFile, place, inAppPictureLocation)
         initRecyclerView()
 
@@ -801,9 +803,6 @@ class UploadMediaDetailFragment : UploadBaseFragment(), UploadMediaDetailsContra
         )
     }
 
-    override fun createBasicKvStore(storeName: String): BasicKvStore =
-        BasicKvStore(requireActivity(), storeName)
-
     override fun showBadImagePopup(errorCode: Int, index: Int, uploadItem: UploadItem) {
         //If the error message is null, we will probably not show anything
         val activity = requireActivity()

app/src/main/java/fr/free/nrw/commons/upload/mediaDetails/UploadMediaDetailsContract.kt

@@ -51,12 +51,12 @@ interface UploadMediaDetailsContract {
 
         fun displayAddLocationDialog(runnable: Runnable)
 
-        fun createBasicKvStore(storeName: String): BasicKvStore
-
         fun showBadImagePopup(errorCode: Int, index: Int, uploadItem: UploadItem)
     }
 
     interface UserActionListener : BasePresenter<View?> {
+        fun setupBasicKvStoreFactory(factory: (String) -> BasicKvStore)
+
         fun receiveImage(
             uploadableFile: UploadableFile?,
             place: Place?,

app/src/main/java/fr/free/nrw/commons/upload/mediaDetails/UploadMediaPresenter.kt

@@ -16,12 +16,10 @@ import fr.free.nrw.commons.upload.UploadActivity.Companion.setUploadIsOfAPlace
 import fr.free.nrw.commons.upload.UploadItem
 import fr.free.nrw.commons.upload.UploadMediaDetail
 import fr.free.nrw.commons.upload.mediaDetails.UploadMediaDetailFragment.UploadMediaDetailFragmentCallback
-import fr.free.nrw.commons.utils.DialogUtil.showAlertDialog
 import fr.free.nrw.commons.utils.ImageUtils.EMPTY_CAPTION
 import fr.free.nrw.commons.utils.ImageUtils.FILE_NAME_EXISTS
 import fr.free.nrw.commons.utils.ImageUtils.IMAGE_KEEP
 import fr.free.nrw.commons.utils.ImageUtils.IMAGE_OK
-import fr.free.nrw.commons.utils.ImageUtils.getErrorMessageForResult
 import io.github.coordinates2country.Coordinates2Country
 import io.reactivex.Maybe
 import io.reactivex.Scheduler
@@ -53,6 +51,7 @@ class UploadMediaPresenter @Inject constructor(
             }
         }
     }
+    lateinit var basicKvStoreFactory: (String) -> BasicKvStore
 
     override fun onAttachView(view: UploadMediaDetailsContract.View) {
         this.view = view
@@ -73,6 +72,10 @@ class UploadMediaPresenter @Inject constructor(
         repository.getUploads()[uploadItemIndex].uploadMediaDetails = uploadMediaDetails.toMutableList()
     }
 
+    override fun setupBasicKvStoreFactory(factory: (String) -> BasicKvStore) {
+        basicKvStoreFactory = factory
+    }
+
     /**
      * Receives the corresponding uploadable file, processes it and return the view with and uplaod item
      */
@@ -336,10 +339,8 @@ class UploadMediaPresenter @Inject constructor(
      */
     override fun checkImageQuality(uploadItem: UploadItem, index: Int) {
         if ((uploadItem.imageQuality != IMAGE_OK) && (uploadItem.imageQuality != IMAGE_KEEP)) {
-            val store = view.createBasicKvStore(
+            val value = basicKvStoreFactory(UploadActivity.storeNameForCurrentUploadImagesSize)
-                UploadActivity.storeNameForCurrentUploadImagesSize
+                .getString(UPLOAD_QUALITIES_KEY, null)
-            )
-            val value = store.getString(UPLOAD_QUALITIES_KEY, null)
             try {
                 val imageQuality = value.asJsonObject()["UploadItem$index"] as Int
                 view.showProgress(false)
@@ -362,10 +363,8 @@ class UploadMediaPresenter @Inject constructor(
      * @param index Index of the UploadItem which was deleted
      */
     override fun updateImageQualitiesJSON(size: Int, index: Int) {
-        val store = view.createBasicKvStore(
+        val value = basicKvStoreFactory(UploadActivity.storeNameForCurrentUploadImagesSize)
-            UploadActivity.storeNameForCurrentUploadImagesSize
+            .getString(UPLOAD_QUALITIES_KEY, null)
-        )
-        val value = store.getString(UPLOAD_QUALITIES_KEY, null)
         try {
             val jsonObject = value.asJsonObject().apply {
                 for (i in index until (size - 1)) {
@@ -373,7 +372,8 @@ class UploadMediaPresenter @Inject constructor(
                 }
                 remove("UploadItem" + (size - 1))
             }
-            store.putString(UPLOAD_QUALITIES_KEY, jsonObject.toString())
+            basicKvStoreFactory(UploadActivity.storeNameForCurrentUploadImagesSize)
+                .putString(UPLOAD_QUALITIES_KEY, jsonObject.toString())
         } catch (e: Exception) {
             Timber.e(e)
         }