Check GitHub for preview release updates instead of inorichi's server

app/src/main/java/eu/kanade/tachiyomi/data/updater/UpdateChecker.kt

@@ -1,23 +0,0 @@
-package eu.kanade.tachiyomi.data.updater
-
-import eu.kanade.tachiyomi.BuildConfig
-import eu.kanade.tachiyomi.data.updater.devrepo.DevRepoUpdateChecker
-import eu.kanade.tachiyomi.data.updater.github.GithubUpdateChecker
-
-abstract class UpdateChecker {
-
-    companion object {
-        fun getUpdateChecker(): UpdateChecker {
-            return if (BuildConfig.DEBUG) {
-                DevRepoUpdateChecker()
-            } else {
-                GithubUpdateChecker()
-            }
-        }
-    }
-
-    /**
-     * Returns observable containing release information
-     */
-    abstract suspend fun checkForUpdate(): UpdateResult
-}

app/src/main/java/eu/kanade/tachiyomi/data/updater/UpdaterJob.kt

@@ -13,6 +13,7 @@ import androidx.work.Worker
 import androidx.work.WorkerParameters
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.notification.Notifications
+import eu.kanade.tachiyomi.data.updater.github.GithubUpdateChecker
 import eu.kanade.tachiyomi.util.system.notificationManager
 import java.util.concurrent.TimeUnit
 import kotlinx.coroutines.runBlocking
@@ -23,7 +24,7 @@ class UpdaterJob(private val context: Context, workerParams: WorkerParameters) :
     override fun doWork(): Result {
         return runBlocking {
             try {
-                val result = UpdateChecker.getUpdateChecker().checkForUpdate()
+                val result = GithubUpdateChecker().checkForUpdate()
 
                 if (result is UpdateResult.NewUpdate<*>) {
                     val url = result.release.downloadLink

app/src/main/java/eu/kanade/tachiyomi/data/updater/devrepo/DevRepoRelease.kt

@@ -1,13 +0,0 @@
-package eu.kanade.tachiyomi.data.updater.devrepo
-
-import eu.kanade.tachiyomi.data.updater.Release
-
-class DevRepoRelease(override val info: String) : Release {
-
-    override val downloadLink: String
-        get() = LATEST_URL
-
-    companion object {
-        const val LATEST_URL = "https://tachiyomi.kanade.eu/latest"
-    }
-}

app/src/main/java/eu/kanade/tachiyomi/data/updater/devrepo/DevRepoUpdateChecker.kt

@@ -1,41 +0,0 @@
-package eu.kanade.tachiyomi.data.updater.devrepo
-
-import eu.kanade.tachiyomi.BuildConfig
-import eu.kanade.tachiyomi.data.updater.UpdateChecker
-import eu.kanade.tachiyomi.data.updater.UpdateResult
-import eu.kanade.tachiyomi.network.GET
-import eu.kanade.tachiyomi.network.NetworkHelper
-import eu.kanade.tachiyomi.network.await
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.withContext
-import okhttp3.OkHttpClient
-import uy.kohesive.injekt.Injekt
-import uy.kohesive.injekt.api.get
-
-class DevRepoUpdateChecker : UpdateChecker() {
-
-    private val client: OkHttpClient by lazy {
-        Injekt.get<NetworkHelper>().client.newBuilder()
-            .followRedirects(false)
-            .build()
-    }
-
-    private val versionRegex: Regex by lazy {
-        Regex("tachiyomi-r(\\d+).apk")
-    }
-
-    override suspend fun checkForUpdate(): UpdateResult {
-        val response = withContext(Dispatchers.IO) {
-            client.newCall(GET(DevRepoRelease.LATEST_URL)).await()
-        }
-
-        // Get latest repo version number from header in format "Location: tachiyomi-r1512.apk"
-        val latestVersionNumber: String = versionRegex.find(response.header("Location")!!)!!.groupValues[1]
-
-        return if (latestVersionNumber.toInt() > BuildConfig.COMMIT_COUNT.toInt()) {
-            DevRepoUpdateResult.NewUpdate(DevRepoRelease("v$latestVersionNumber"))
-        } else {
-            DevRepoUpdateResult.NoNewUpdate()
-        }
-    }
-}

app/src/main/java/eu/kanade/tachiyomi/data/updater/devrepo/DevRepoUpdateResult.kt

@@ -1,9 +0,0 @@
-package eu.kanade.tachiyomi.data.updater.devrepo
-
-import eu.kanade.tachiyomi.data.updater.UpdateResult
-
-sealed class DevRepoUpdateResult : UpdateResult() {
-
-    class NewUpdate(release: DevRepoRelease) : UpdateResult.NewUpdate<DevRepoRelease>(release)
-    class NoNewUpdate : UpdateResult.NoNewUpdate()
-}

app/src/main/java/eu/kanade/tachiyomi/data/updater/github/GithubRelease.kt

@@ -28,5 +28,5 @@ class GithubRelease(
      * Assets class containing download url.
      * @param downloadLink download url.
      */
-    inner class Assets(@SerializedName("browser_download_url") val downloadLink: String)
+    class Assets(@SerializedName("browser_download_url") val downloadLink: String)
 }

app/src/main/java/eu/kanade/tachiyomi/data/updater/github/GithubService.kt

@@ -4,11 +4,12 @@ import eu.kanade.tachiyomi.network.NetworkHelper
 import retrofit2.Retrofit
 import retrofit2.converter.gson.GsonConverterFactory
 import retrofit2.http.GET
+import retrofit2.http.Path
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 
 /**
- * Used to connect with the GitHub API.
+ * Used to connect with the GitHub API to get the latest release version from a repo.
  */
 interface GithubService {
 
@@ -24,6 +25,6 @@ interface GithubService {
         }
     }
 
-    @GET("/repos/inorichi/tachiyomi/releases/latest")
-    suspend fun getLatestVersion(): GithubRelease
+    @GET("/repos/{repo}/releases/latest")
+    suspend fun getLatestVersion(@Path("repo", encoded = true) repo: String): GithubRelease
 }

app/src/main/java/eu/kanade/tachiyomi/data/updater/github/GithubUpdateChecker.kt

@@ -1,23 +1,43 @@
 package eu.kanade.tachiyomi.data.updater.github
 
 import eu.kanade.tachiyomi.BuildConfig
-import eu.kanade.tachiyomi.data.updater.UpdateChecker
 import eu.kanade.tachiyomi.data.updater.UpdateResult
 
-class GithubUpdateChecker : UpdateChecker() {
+class GithubUpdateChecker {
 
     private val service: GithubService = GithubService.create()
 
-    override suspend fun checkForUpdate(): UpdateResult {
-        val release = service.getLatestVersion()
+    private val repo: String by lazy {
+        if (BuildConfig.DEBUG) {
+            "tachiyomiorg/android-app-preview"
+        } else {
+            "inorichi/tachiyomi"
+        }
+    }
 
-        val newVersion = release.version.replace("[^\\d.]".toRegex(), "")
+    suspend fun checkForUpdate(): UpdateResult {
+        val release = service.getLatestVersion(repo)
 
         // Check if latest version is different from current version
-        return if (newVersion != BuildConfig.VERSION_NAME) {
+        return if (isNewVersion(release.version)) {
             GithubUpdateResult.NewUpdate(release)
         } else {
             GithubUpdateResult.NoNewUpdate()
         }
     }
+
+    private fun isNewVersion(versionTag: String): Boolean {
+        // Removes prefixes like "r" or "v"
+        val newVersion = versionTag.replace("[^\\d.]".toRegex(), "")
+
+        return if (BuildConfig.DEBUG) {
+            // Preview builds: based on releases in "tachiyomiorg/android-app-preview" repo
+            // tagged as something like "r1234"
+            newVersion.toInt() > BuildConfig.COMMIT_COUNT.toInt()
+        } else {
+            // Release builds: based on releases in "inorichi/tachiyomi" repo
+            // tagged as something like "v0.1.2"
+            newVersion != BuildConfig.VERSION_NAME
+        }
+    }
 }

app/src/main/java/eu/kanade/tachiyomi/ui/more/AboutController.kt

@@ -10,9 +10,9 @@ import com.afollestad.materialdialogs.MaterialDialog
 import com.mikepenz.aboutlibraries.LibsBuilder
 import eu.kanade.tachiyomi.BuildConfig
 import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.data.updater.UpdateChecker
 import eu.kanade.tachiyomi.data.updater.UpdateResult
 import eu.kanade.tachiyomi.data.updater.UpdaterService
+import eu.kanade.tachiyomi.data.updater.github.GithubUpdateChecker
 import eu.kanade.tachiyomi.ui.base.controller.DialogController
 import eu.kanade.tachiyomi.ui.setting.SettingsController
 import eu.kanade.tachiyomi.util.lang.launchNow
@@ -35,7 +35,7 @@ class AboutController : SettingsController() {
     /**
      * Checks for new releases
      */
-    private val updateChecker by lazy { UpdateChecker.getUpdateChecker() }
+    private val updateChecker by lazy { GithubUpdateChecker() }
 
     private val dateFormat: DateFormat = preferences.dateFormat()