Adjusting Translation Provider

- Added 4 new model classes
- Added the new API function to NcApi
- Implemented the changes in the Repository + ViewModel
- Implemented the changes in the Activity
- Added some helper functions

app/src/main/java/com/nextcloud/talk/api/NcApi.java

@@ -49,6 +49,7 @@
 import com.nextcloud.talk.models.json.userprofile.UserProfileFieldsOverall;
 import com.nextcloud.talk.models.json.userprofile.UserProfileOverall;
 import com.nextcloud.talk.polls.repositories.model.PollOverall;
+import com.nextcloud.talk.translate.repositories.model.LanguagesOverall;
 import com.nextcloud.talk.translate.repositories.model.TranslationsOverall;
 
 import java.util.List;
@@ -673,6 +674,10 @@ Observable<TranslationsOverall> translateMessage(@Header("Authorization") String
                                                      @Query("toLanguage") String toLanguage,
                                                      @Nullable @Query("fromLanguage") String fromLanguage);
 
+    @GET
+    Observable<LanguagesOverall> getLanguages(@Header("Authorization") String authorization,
+                                              @Url String url);
+
     @GET
     Observable<ReminderOverall> getReminder(@Header("Authorization") String authorization,
                                             @Url String url);

app/src/main/java/com/nextcloud/talk/translate/repositories/TranslateRepository.kt

@@ -1,5 +1,6 @@
 package com.nextcloud.talk.translate.repositories
 
+import com.nextcloud.talk.translate.repositories.model.LanguageModel
 import io.reactivex.Observable
 
 interface TranslateRepository {
@@ -11,4 +12,9 @@ interface TranslateRepository {
         toLanguage: String,
         fromLanguage: String?
     ): Observable<String>
+
+    fun getLanguages(
+        authorization: String,
+        url: String
+    ): Observable<Array<LanguageModel>>
 }

app/src/main/java/com/nextcloud/talk/translate/repositories/TranslateRepositoryImpl.kt

@@ -1,6 +1,7 @@
 package com.nextcloud.talk.translate.repositories
 
 import com.nextcloud.talk.api.NcApi
+import com.nextcloud.talk.translate.repositories.model.LanguageModel
 import io.reactivex.Observable
 import javax.inject.Inject
 
@@ -15,4 +16,8 @@ class TranslateRepositoryImpl @Inject constructor(private val ncApi: NcApi) : Tr
     ): Observable<String> {
         return ncApi.translateMessage(authorization, url, text, toLanguage, fromLanguage).map { it.ocs?.data!!.text }
     }
+
+    override fun getLanguages(authorization: String, url: String): Observable<Array<LanguageModel>> {
+        return ncApi.getLanguages(authorization, url).map { it.ocs?.data?.languages }
+    }
 }

app/src/main/java/com/nextcloud/talk/translate/repositories/model/LanguageModel.kt

@@ -0,0 +1,27 @@
+/*
+ * Nextcloud Talk application
+ *
+ * @author Julius Linus
+ * Copyright (C) 2023 Julius Linus <[email protected]>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.nextcloud.talk.translate.repositories.model
+
+data class LanguageModel(
+    var from: String?,
+    var fromLabel: String?,
+    var to: String?,
+    var toLabel: String?
+)

app/src/main/java/com/nextcloud/talk/translate/repositories/model/LanguagesData.kt

@@ -0,0 +1,38 @@
+/*
+ * Nextcloud Talk application
+ *
+ * @author Julius Linus
+ * Copyright (C) 2023 Julius Linus <[email protected]>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.nextcloud.talk.translate.repositories.model
+
+import android.os.Parcelable
+import com.bluelinelabs.logansquare.annotation.JsonField
+import com.bluelinelabs.logansquare.annotation.JsonObject
+import kotlinx.parcelize.Parcelize
+import kotlinx.parcelize.RawValue
+
+@Parcelize
+@JsonObject
+data class LanguagesData(
+    @JsonField(name = ["languageDetection"])
+    var languageDetection: Boolean?,
+    @JsonField(name = ["languages"])
+    var languages: Array<@RawValue LanguageModel>?
+) : Parcelable {
+    // This constructor is added to work with the 'com.bluelinelabs.logansquare.annotation.JsonObject'
+    constructor() : this(null, null)
+}

app/src/main/java/com/nextcloud/talk/translate/repositories/model/LanguagesOCS.kt

@@ -0,0 +1,38 @@
+/*
+ * Nextcloud Talk application
+ *
+ * @author Julius Linus
+ * Copyright (C) 2023 Julius Linus <[email protected]>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.nextcloud.talk.translate.repositories.model
+
+import android.os.Parcelable
+import com.bluelinelabs.logansquare.annotation.JsonField
+import com.bluelinelabs.logansquare.annotation.JsonObject
+import com.nextcloud.talk.models.json.generic.GenericMeta
+import kotlinx.parcelize.Parcelize
+
+@Parcelize
+@JsonObject
+data class LanguagesOCS(
+    @JsonField(name = ["meta"])
+    var meta: GenericMeta?,
+    @JsonField(name = ["data"])
+    var data: LanguagesData?
+) : Parcelable {
+    // This constructor is added to work with the 'com.bluelinelabs.logansquare.annotation.JsonObject'
+    constructor() : this(null, LanguagesData())
+}

app/src/main/java/com/nextcloud/talk/translate/repositories/model/LanguagesOverall.kt

@@ -0,0 +1,35 @@
+/*
+ * Nextcloud Talk application
+ *
+ * @author Julius Linus
+ * Copyright (C) 2023 Julius Linus <[email protected]>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.nextcloud.talk.translate.repositories.model
+
+import android.os.Parcelable
+import com.bluelinelabs.logansquare.annotation.JsonField
+import com.bluelinelabs.logansquare.annotation.JsonObject
+import kotlinx.parcelize.Parcelize
+
+@Parcelize
+@JsonObject
+class LanguagesOverall(
+    @JsonField(name = ["ocs"])
+    var ocs: LanguagesOCS?
+) : Parcelable {
+    // This constructor is added to work with the 'com.bluelinelabs.logansquare.annotation.JsonObject'
+    constructor() : this(null)
+}

app/src/main/java/com/nextcloud/talk/translate/repositories/model/TranslateOCS.kt

@@ -27,7 +27,7 @@ import kotlinx.parcelize.Parcelize
 
 @Parcelize
 @JsonObject
-data class TranslateOCS( // TODO finish this model
+data class TranslateOCS(
     @JsonField(name = ["meta"])
     var meta: GenericMeta?,
     @JsonField(name = ["data"])

app/src/main/java/com/nextcloud/talk/translate/ui/TranslateActivity.kt

@@ -38,11 +38,10 @@ import com.nextcloud.talk.R
 import com.nextcloud.talk.activities.BaseActivity
 import com.nextcloud.talk.application.NextcloudTalkApplication
 import com.nextcloud.talk.databinding.ActivityTranslateBinding
+import com.nextcloud.talk.translate.repositories.model.LanguageModel
 import com.nextcloud.talk.translate.viewmodels.TranslateViewModel
 import com.nextcloud.talk.users.UserManager
 import com.nextcloud.talk.utils.bundle.BundleKeys
-import com.nextcloud.talk.utils.database.user.CapabilitiesUtilNew
-import org.json.JSONArray
 import java.util.Locale
 import javax.inject.Inject
 
@@ -60,6 +59,7 @@ class TranslateActivity : BaseActivity() {
 
     private var toLanguages: Array<String>? = null
     private var fromLanguages: Array<String>? = null
+    private var languages: Array<LanguageModel>? = null
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -79,16 +79,25 @@ class TranslateActivity : BaseActivity() {
                     onTranslatedState(state.msg)
                 }
 
-                is TranslateViewModel.ErrorState -> {
-                    onErrorState()
+                is TranslateViewModel.TranslationErrorState -> {
+                    onTranslationErrorState()
+                }
+
+                is TranslateViewModel.LanguagesErrorState -> {
+                    onLanguagesErrorState()
+                }
+
+                is TranslateViewModel.LanguagesRetrievedState -> {
+                    languages = state.array
+                    onLanguagesRetrieved()
                 }
             }
         }
         setupActionBar()
         setContentView(binding.root)
         setupSystemColors()
         setupTextViews()
-        getLanguageOptions()
+        viewModel.getLanguages()
         setupSpinners()
         setupCopyButton()
 
@@ -154,20 +163,17 @@ class TranslateActivity : BaseActivity() {
         binding.originalMessageTextview.text = text
     }
 
-    private fun getLanguageOptions() {
-        val currentUser = userManager.currentUser.blockingGet()
-        val json = JSONArray((CapabilitiesUtilNew.getLanguages(currentUser) as ArrayList<*>).toArray())
-
+    private fun onLanguagesRetrieved() {
         val fromLanguagesSet = mutableSetOf(resources.getString(R.string.translation_detect_language))
         val toLanguagesSet = mutableSetOf(resources.getString(R.string.translation_device_settings))
 
-        for (i in 0 until json.length()) {
-            val current = json.getJSONObject(i)
-            if (current.getString(FROM_ID) != Locale.getDefault().language) {
-                toLanguagesSet.add(current.getString(FROM_LABEL))
+        for (i in languages!!.indices) {
+            val current = languages!![i]
+            if (current.from != Locale.getDefault().language) {
+                current.fromLabel?.let { toLanguagesSet.add(it) }
             }
 
-            fromLanguagesSet.add(current.getString(TO_LABEL))
+            current.toLabel?.let { fromLanguagesSet.add(it) }
         }
 
         toLanguages = toLanguagesSet.toTypedArray()
@@ -179,16 +185,16 @@ class TranslateActivity : BaseActivity() {
         binding.toLanguageInputLayout.isEnabled = value
     }
 
-    private fun showDialog() {
+    private fun showDialog(errorTitleRes: Int, errorMessageRes: Int) {
         val dialogBuilder = MaterialAlertDialogBuilder(this@TranslateActivity)
             .setIcon(
                 viewThemeUtils.dialog.colorMaterialAlertDialogIcon(
                     context,
                     R.drawable.ic_warning_white
                 )
             )
-            .setTitle(R.string.translation_error_title)
-            .setMessage(R.string.translation_error_message)
+            .setTitle(errorTitleRes)
+            .setMessage(errorMessageRes)
             .setPositiveButton(R.string.nc_ok) { dialog, _ ->
                 dialog.dismiss()
             }
@@ -203,25 +209,19 @@ class TranslateActivity : BaseActivity() {
     }
 
     private fun getISOFromLanguage(language: String): String {
+        var result = ""
+
         if (resources.getString(R.string.translation_device_settings) == language) {
-            return Locale.getDefault().language
+            result = Locale.getDefault().language
         }
 
-        return getISOFromServer(language)
-    }
-
-    private fun getISOFromServer(language: String): String {
-        val currentUser = userManager.currentUser.blockingGet()
-        val json = JSONArray((CapabilitiesUtilNew.getLanguages(currentUser) as ArrayList<*>).toArray())
-
-        for (i in 0 until json.length()) {
-            val current = json.getJSONObject(i)
-            if (current.getString(FROM_LABEL) == language) {
-                return current.getString(FROM_ID)
+        for (current in languages!!) {
+            if (current.fromLabel == language) {
+                result = current.from!!
             }
         }
 
-        return ""
+        return result
     }
 
     private fun setupSpinners() {
@@ -279,10 +279,16 @@ class TranslateActivity : BaseActivity() {
         enableSpinners(true)
     }
 
-    private fun onErrorState() {
+    private fun onTranslationErrorState() {
+        binding.progressBar.visibility = View.GONE
+        enableSpinners(true)
+        showDialog(R.string.translation_error_title, R.string.translation_error_message)
+    }
+
+    private fun onLanguagesErrorState() {
         binding.progressBar.visibility = View.GONE
         enableSpinners(true)
-        showDialog()
+        showDialog(R.string.languages_error_title, R.string.languages_error_message)
     }
 
     companion object {