Implement fetch info from old Realm files

app/src/main/java/chat/rocket/android/app/RocketChatApplication.kt

@@ -3,7 +3,14 @@ package chat.rocket.android.app
 import android.app.Activity
 import android.app.Application
 import android.app.Service
+import android.content.Context
 import chat.rocket.android.BuildConfig
+import chat.rocket.android.app.migration.RealmMigration
+import chat.rocket.android.app.migration.RocketChatLibraryModule
+import chat.rocket.android.app.migration.RocketChatServerModule
+import chat.rocket.android.app.migration.model.RealmBasedServerInfo
+import chat.rocket.android.app.migration.model.RealmPublicSetting
+import chat.rocket.android.app.migration.model.RealmUser
 import chat.rocket.android.dagger.DaggerAppComponent
 import chat.rocket.android.helper.CrashlyticsTree
 import chat.rocket.android.server.domain.GetCurrentServerInteractor
@@ -12,6 +19,7 @@ import chat.rocket.android.server.domain.SettingsRepository
 import chat.rocket.android.widget.emoji.EmojiRepository
 import chat.rocket.common.model.Token
 import chat.rocket.core.TokenRepository
+import chat.rocket.core.model.Value
 import com.crashlytics.android.Crashlytics
 import com.crashlytics.android.core.CrashlyticsCore
 import com.facebook.drawee.backends.pipeline.DraweeConfig
@@ -23,9 +31,12 @@ import dagger.android.DispatchingAndroidInjector
 import dagger.android.HasActivityInjector
 import dagger.android.HasServiceInjector
 import io.fabric.sdk.android.Fabric
+import io.realm.Realm
+import io.realm.RealmConfiguration
 import timber.log.Timber
 import javax.inject.Inject
 
+
 class RocketChatApplication : Application(), HasActivityInjector, HasServiceInjector {
 
     @Inject
@@ -63,6 +74,114 @@ class RocketChatApplication : Application(), HasActivityInjector, HasServiceInje
         setupCrashlytics()
         setupFresco()
         setupTimber()
+        setupMigration()
+    }
+
+    private fun setupMigration() {
+        Realm.init(this)
+        val serveListConfiguration = RealmConfiguration.Builder()
+                .name("server.list.realm")
+                .schemaVersion(6)
+                .migration(RealmMigration())
+                .modules(RocketChatServerModule())
+                .build()
+
+        val serverRealm = Realm.getInstance(serveListConfiguration)
+        val serversInfoList = serverRealm.where(RealmBasedServerInfo::class.java).findAll().toList()
+        serversInfoList.forEach { server ->
+            val hostname = server.hostname
+            val authToken = server.session
+            val url = if (server.insecure) "http://$hostname" else "https://$hostname"
+            val serverLogo = "$url/images/logo/android-chrome-192x192.png"
+            val serverBg = "$url/images/logo/mstile-310x150.png"
+
+            val config = RealmConfiguration.Builder()
+                    .name("${server.hostname}.realm")
+                    .schemaVersion(6)
+                    .migration(RealmMigration())
+                    .modules(RocketChatLibraryModule())
+                    .build()
+
+            val realm = Realm.getInstance(config)
+            val user = realm.where(RealmUser::class.java)
+                    .isNotEmpty(RealmUser.EMAILS).findFirst()
+
+            if (user != null) {
+                migrateServerInfo(url, authToken!!, serverLogo, serverBg, user)
+            }
+            migratePublicSettings(url, realm)
+
+            realm.close()
+        }
+        migrateCurrentServer(serversInfoList)
+        serverRealm.close()
+    }
+
+    private fun migrateServerInfo(url: String, authToken: String, serverLogo: String, serverBg: String, user: RealmUser) {
+        val userId = user._id
+        val avatar = "$url/avatar/${user.username}?format=jpeg"
+
+        println("token_$url: ")
+        println("{\n" +
+                "   userId: $userId,\n" +
+                "   authToken: $authToken\n" +
+                "}")
+
+        println("ACCOUNT_KEY: ")
+        println("{\n" +
+                "   serverUrl: $url,\n" +
+                "   avatar: $avatar,\n" +
+                "   serverLogo: $serverLogo,\n" +
+                "   serverBg: $serverBg\n" +
+                "}")
+    }
+
+    private fun migratePublicSettings(url: String, realm: Realm) {
+        println("settings_$url: ")
+        val settings = realm.where(RealmPublicSetting::class.java).findAll()
+
+        val serverSettings = hashMapOf<String, Value<Any>>()
+        settings.toList().forEach { setting ->
+            val type = setting.type!!
+            val value = setting.value!!
+
+            val convertedSetting = when (type) {
+                "string" -> Value(value)
+                "language" -> Value(value)
+                "boolean" -> Value(value.toBoolean())
+                "int" -> try {
+                    Value(value.toInt())
+                } catch (ex: NumberFormatException) {
+                    Value(0)
+                }
+                else -> null // ignore
+            }
+
+            if (convertedSetting != null) {
+                val id = setting._id!!
+                serverSettings.put(setting._id!!, convertedSetting)
+                println("$id: $convertedSetting")
+            }
+        }
+    }
+
+    private fun migrateCurrentServer(serversList: List<RealmBasedServerInfo>) {
+        var currentServer = getSharedPreferences("cache", Context.MODE_PRIVATE)
+                .getString("KEY_SELECTED_SERVER_HOSTNAME", null)
+
+        currentServer = if (serversList.toList().isNotEmpty()) {
+            val server = serversList.find { it.hostname == currentServer }
+            val hostname = server!!.hostname
+            if (server.insecure) {
+                "http://$hostname"
+            } else {
+                "https://$hostname"
+            }
+        } else {
+            "http://$currentServer"
+        }
+
+        println("current_server: $currentServer")
     }
 
     // TODO - remove this when we have a proper service handling connection...

app/src/main/java/chat/rocket/android/app/migration/RealmMigration.kt

+package chat.rocket.android.app.migration
+
+import chat.rocket.android.BuildConfig
+import chat.rocket.android.app.migration.model.RealmUser
+import io.realm.DynamicRealm
+import io.realm.RealmMigration
+
+class RealmMigration : RealmMigration {
+    override fun migrate(dynamicRealm: DynamicRealm, oldVersion: Long, newVersion: Long) {
+        var oldVersion = oldVersion
+
+        val schema = dynamicRealm.schema
+
+        if (oldVersion == 0L) {
+            // NOOP
+            oldVersion++
+        }
+
+        if (oldVersion == 1L) {
+            oldVersion++
+        }
+
+        if (oldVersion == 2L) {
+            oldVersion++
+        }
+
+        if (oldVersion == 3L) {
+            oldVersion++
+        }
+
+        if (oldVersion == 4L) {
+
+            oldVersion++
+        }
+
+        if (oldVersion == 5L) {
+            val userSchema = schema.get("RealmUser")
+            try {
+                userSchema!!.addField(RealmUser.NAME, String::class.java)
+            } catch (e: IllegalArgumentException) {
+                if (BuildConfig.DEBUG) {
+                    e.printStackTrace()
+                }
+                // ignore; it makes here if the schema for this model was already update before without migration
+            }
+
+        }
+    }
+
+    // hack around to avoid "new different configuration cannot access the same file" error
+    override fun hashCode(): Int {
+        return 37
+    }
+
+    override fun equals(o: Any?): Boolean {
+        return o is chat.rocket.android.app.migration.RealmMigration
+    }
+    // end hack
+}
\ No newline at end of file

app/src/main/java/chat/rocket/android/app/migration/RocketChatLibraryModule.kt

+package chat.rocket.android.app.migration
+
+import io.realm.annotations.RealmModule
+
+@RealmModule(library = true, allClasses = true)
+class RocketChatLibraryModule
\ No newline at end of file

app/src/main/java/chat/rocket/android/app/migration/RocketChatServerModule.kt

+package chat.rocket.android.app.migration
+
+import chat.rocket.android.app.migration.model.RealmBasedServerInfo
+import io.realm.annotations.RealmModule
+
+@RealmModule(library = true, classes = arrayOf(RealmBasedServerInfo::class))
+class RocketChatServerModule
\ No newline at end of file

app/src/main/java/chat/rocket/android/app/migration/model/RealmBasedServerInfo.kt

+package chat.rocket.android.app.migration.model
+
+import io.realm.RealmObject
+import io.realm.annotations.PrimaryKey
+
+open class RealmBasedServerInfo : RealmObject() {
+    @PrimaryKey
+    @JvmField var hostname: String? = null
+    @JvmField var name: String? = null
+    @JvmField var session: String? = null
+    @JvmField var insecure: Boolean = false
+}
\ No newline at end of file

app/src/main/java/chat/rocket/android/app/migration/model/RealmEmail.kt

+package chat.rocket.android.app.migration.model
+
+import io.realm.RealmObject
+import io.realm.annotations.PrimaryKey
+
+open class RealmEmail : RealmObject() {
+    @PrimaryKey
+    @JvmField
+    var address: String? = null
+    @JvmField
+    var verified: Boolean = false
+}
\ No newline at end of file

app/src/main/java/chat/rocket/android/app/migration/model/RealmPreferences.kt

+package chat.rocket.android.app.migration.model
+
+import io.realm.RealmObject
+import io.realm.annotations.PrimaryKey
+
+open class RealmPreferences : RealmObject() {
+    @PrimaryKey
+    @JvmField
+    var id: String? = null
+    @JvmField
+    var newRoomNotification: String? = null
+    @JvmField
+    var newMessageNotification: String? = null
+    @JvmField
+    var useEmojis: Boolean = false
+    @JvmField
+    var convertAsciiEmoji: Boolean = false
+    @JvmField
+    var saveMobileBandwidth: Boolean = false
+    @JvmField
+    var collapseMediaByDefault: Boolean = false
+    @JvmField
+    var unreadRoomsMode: Boolean = false
+    @JvmField
+    var autoImageLoad: Boolean = false
+    @JvmField
+    var emailNotificationMode: String? = null
+    @JvmField
+    var unreadAlert: Boolean = false
+    @JvmField
+    var desktopNotificationDuration: Int = 0
+    @JvmField
+    var viewMode: Int = 0
+    @JvmField
+    var hideUsernames: Boolean = false
+    @JvmField
+    var hideAvatars: Boolean = false
+    @JvmField
+    var hideFlexTab: Boolean = false
+}
\ No newline at end of file

app/src/main/java/chat/rocket/android/app/migration/model/RealmPublicSetting.kt

+package chat.rocket.android.app.migration.model
+
+import io.realm.RealmObject
+import io.realm.annotations.PrimaryKey
+
+open class RealmPublicSetting : RealmObject() {
+    @PrimaryKey
+    @JvmField
+    var _id: String? = null
+    @JvmField
+    var group: String? = null
+    @JvmField
+    var type: String? = null
+    @JvmField
+    var value: String? = null
+    @JvmField
+    var _updatedAt: Long = 0
+    @JvmField
+    var meta: String? = null
+}
\ No newline at end of file

app/src/main/java/chat/rocket/android/app/migration/model/RealmSettings.kt

+package chat.rocket.android.app.migration.model
+
+import io.realm.RealmObject
+import io.realm.annotations.PrimaryKey
+
+open class RealmSettings : RealmObject() {
+    @PrimaryKey
+    @JvmField
+    var id: String? = null
+    @JvmField
+    var preferences: RealmPreferences? = null
+}
\ No newline at end of file

app/src/main/java/chat/rocket/android/app/migration/model/RealmUser.kt

+package chat.rocket.android.app.migration.model
+
+import io.realm.RealmList
+import io.realm.RealmObject
+import io.realm.annotations.PrimaryKey
+
+open class RealmUser : RealmObject() {
+
+    companion object {
+        const val ID = "_id"
+        const val NAME = "name"
+        const val USERNAME = "username"
+        const val STATUS = "status"
+        const val UTC_OFFSET = "utcOffset"
+        const val EMAILS = "emails"
+        const val SETTINGS = "settings"
+        const val STATUS_ONLINE = "online"
+        const val STATUS_BUSY = "busy"
+        const val STATUS_AWAY = "away"
+        const val STATUS_OFFLINE = "offline"
+    }
+
+    @PrimaryKey
+    @JvmField
+    var _id: String? = null
+    @JvmField
+    var name: String? = null
+    @JvmField
+    var username: String? = null
+    @JvmField
+    var status: String? = null
+    @JvmField
+    var utcOffset: Double = 0.toDouble()
+    @JvmField
+    var emails: RealmList<RealmEmail>? = null
+    @JvmField
+    var settings: RealmSettings? = null
+}
\ No newline at end of file