Added a new OPML import option to import subscriptions from an url

CHANGELOG.md

@@ -4,13 +4,15 @@
 *   New Features:
     *   Added Tasker integration with "Play Filter" and "Control Playback" actions.
         ([#415](https://github.com/Automattic/pocket-casts-android/pull/431)).
-    *   Fixed background color for screens using the compose theme
-        ([#432](https://github.com/Automattic/pocket-casts-android/pull/432)).
+    *   Import OPML from a URL
+        ([#482](https://github.com/Automattic/pocket-casts-android/pull/482)).
 *   Bug Fixes:
     *   Fixed Help & Feedback buttons being hidden when using text zoom.
         ([#446](https://github.com/Automattic/pocket-casts-android/pull/446)).
     *   Fixed when system bar didn't disappear on full screen video player
         ([#461](https://github.com/Automattic/pocket-casts-android/pull/461)).
+    *   Fixed background color for screens using the compose theme
+        ([#432](https://github.com/Automattic/pocket-casts-android/pull/432)).
 
 7.25
 -----

modules/features/settings/src/main/java/au/com/shiftyjelly/pocketcasts/settings/ExportSettingsFragment.kt

@@ -4,6 +4,7 @@ import android.app.Activity
 import android.content.Intent
 import android.os.Bundle
 import android.view.View
+import androidx.preference.EditTextPreference
 import androidx.preference.Preference
 import androidx.preference.PreferenceFragmentCompat
 import au.com.shiftyjelly.pocketcasts.preferences.Settings
@@ -45,6 +46,14 @@ class ExportSettingsFragment : PreferenceFragmentCompat() {
             true
         }
 
+        findPreference<EditTextPreference>("importPodcastsByUrl")?.onPreferenceChangeListener = Preference.OnPreferenceChangeListener { _, newValue ->
+            val url = newValue.toString()
+            if (url.isNotBlank()) {
+                OpmlImportTask.run(url, requireActivity())
+            }
+            false
+        }
+
         findPreference<Preference>("exportSendEmail")?.onPreferenceClickListener = Preference.OnPreferenceClickListener {
             exporter = OpmlExporter(this@ExportSettingsFragment, serverManager, podcastManager, settings, activity).apply {
                 sendEmail()

modules/features/settings/src/main/res/xml/preferences_export.xml

@@ -7,6 +7,10 @@
             android:key="importPodcasts"
             android:summary="@string/settings_import_file_summary"
             android:title="@string/settings_import_file" />
+        <EditTextPreference
+            android:key="importPodcastsByUrl"
+            android:summary="@string/settings_import_url_summary"
+            android:title="@string/settings_import_url" />
     </PreferenceCategory>
     <PreferenceCategory android:title="@string/settings_export_subscriptions" >
         <Preference

modules/services/localization/src/main/res/values/strings.xml

@@ -992,6 +992,8 @@
     <string name="settings_import_choose_file">Choose an OPML file.</string>
     <string name="settings_import_file">Select file</string>
     <string name="settings_import_file_summary">If you have podcast subscriptions in another app or service, Pocket Casts can import them from an OPML file.</string>
+    <string name="settings_import_url">By URL</string>
+    <string name="settings_import_url_summary">Import your podcasts from an OPML file using a URL.</string>
     <string name="settings_import_opml_progress">%1$d of %2$d podcasts</string>
     <string name="settings_import_opml_stop">Stop</string>
     <string name="settings_import_opml_title">Import OPML</string>

modules/services/repositories/src/main/java/au/com/shiftyjelly/pocketcasts/repositories/opml/OpmlImportTask.kt

@@ -8,6 +8,7 @@ import android.widget.Toast
 import androidx.hilt.work.HiltWorker
 import androidx.work.Constraints
 import androidx.work.CoroutineWorker
+import androidx.work.Data
 import androidx.work.ForegroundInfo
 import androidx.work.NetworkType
 import androidx.work.OneTimeWorkRequestBuilder
@@ -35,6 +36,7 @@ import org.xml.sax.SAXException
 import org.xml.sax.helpers.DefaultHandler
 import java.io.InputStream
 import java.io.StringReader
+import java.net.URL
 import java.util.Scanner
 import java.util.regex.Pattern
 import javax.xml.parsers.SAXParserFactory
@@ -52,13 +54,23 @@ class OpmlImportTask @AssistedInject constructor(
 
     companion object {
         const val INPUT_URI = "INPUT_URI"
+        const val INPUT_URL = "INPUT_URL"
 
         fun run(uri: Uri, context: Context) {
+            val data = workDataOf(INPUT_URI to uri.toString())
+            run(data, context)
+        }
+
+        fun run(url: String, context: Context) {
+            val data = workDataOf(INPUT_URL to url)
+            run(data, context)
+        }
+
+        private fun run(data: Data, context: Context) {
             val constraints = Constraints.Builder()
                 .setRequiredNetworkType(NetworkType.CONNECTED)
                 .build()
 
-            val data = workDataOf(INPUT_URI to uri.toString())
             val task = OneTimeWorkRequestBuilder<OpmlImportTask>()
                 .setInputData(data)
                 .setConstraints(constraints)
@@ -132,6 +144,12 @@ class OpmlImportTask @AssistedInject constructor(
 
     override suspend fun doWork(): Result {
         try {
+            val url = inputData.getString(INPUT_URL)
+            if (!url.isNullOrBlank()) {
+                processUrl(URL(url))
+                return Result.success()
+            }
+
             val uri = Uri.parse(inputData.getString(INPUT_URI)) ?: return Result.failure()
             processFile(uri)
             return Result.success()
@@ -141,6 +159,22 @@ class OpmlImportTask @AssistedInject constructor(
         }
     }
 
+    private suspend fun processUrl(url: URL) {
+        var urls = emptyList<String>()
+
+        try {
+            url.openStream()?.use { inputStream ->
+                urls = readOpmlUrlsSax(inputStream)
+            }
+        } catch (e: SAXException) {
+            url.openStream()?.use { inputStream ->
+                urls = readOpmlUrlsRegex(inputStream)
+            }
+        }
+
+        processUrls(urls)
+    }
+
     private suspend fun processFile(uri: Uri) {
         var urls = emptyList<String>()
 
@@ -155,6 +189,10 @@ class OpmlImportTask @AssistedInject constructor(
             }
         }
 
+        processUrls(urls)
+    }
+
+    private suspend fun processUrls(urls: List<String>) {
         val podcastCount = urls.size
         val initialDatabaseCount = podcastManager.countPodcasts()