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Migrate to kotlinx.serialization for download store and deleter

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This commit is contained in:
arkon 2020-10-11 15:26:57 -04:00
parent e7d6605490
commit 980feb6c96
2 changed files with 17 additions and 19 deletions
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21
app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadPendingDeleter.kt
View file

@ -2,11 +2,12 @@ package eu.kanade.tachiyomi.data.download
import android.content.Context
import androidx.core.content.edit
import com.github.salomonbrys.kotson.fromJson
import com.google.gson.Gson
import eu.kanade.tachiyomi.data.database.models.Chapter
import eu.kanade.tachiyomi.data.database.models.Manga
import uy.kohesive.injekt.injectLazy
import kotlinx.serialization.Serializable
import kotlinx.serialization.decodeFromString
import kotlinx.serialization.encodeToString
import kotlinx.serialization.json.Json
/**
* Class used to keep a list of chapters for future deletion.
@ -15,11 +16,6 @@ import uy.kohesive.injekt.injectLazy
*/
class DownloadPendingDeleter(context: Context) {
/**
* Gson instance to encode and decode chapters.
*/
private val gson by injectLazy<Gson>()
/**
* Preferences used to store the list of chapters to delete.
*/
@ -53,7 +49,7 @@ class DownloadPendingDeleter(context: Context) {
val existingEntry = preferences.getString(manga.id!!.toString(), null)
if (existingEntry != null) {
// Existing entry found on preferences, decode json and add the new chapter
val savedEntry = gson.fromJson<Entry>(existingEntry)
val savedEntry = Json.decodeFromString<Entry>(existingEntry)
// Append new chapters
val newChapters = savedEntry.chapters.addUniqueById(chapters)
@ -69,7 +65,7 @@ class DownloadPendingDeleter(context: Context) {
}
// Save current state
val json = gson.toJson(newEntry)
val json = Json.encodeToString(newEntry)
preferences.edit {
putString(newEntry.manga.id.toString(), json)
}
@ -101,7 +97,7 @@ class DownloadPendingDeleter(context: Context) {
private fun decodeAll(): List<Entry> {
return preferences.all.values.mapNotNull { rawEntry ->
try {
(rawEntry as? String)?.let { gson.fromJson<Entry>(it) }
(rawEntry as? String)?.let { Json.decodeFromString<Entry>(it) }
} catch (e: Exception) {
null
}
@ -124,6 +120,7 @@ class DownloadPendingDeleter(context: Context) {
/**
* Class used to save an entry of chapters with their manga into preferences.
*/
@Serializable
private data class Entry(
val chapters: List<ChapterEntry>,
val manga: MangaEntry
@ -132,6 +129,7 @@ class DownloadPendingDeleter(context: Context) {
/**
* Class used to save an entry for a chapter into preferences.
*/
@Serializable
private data class ChapterEntry(
val id: Long,
val url: String,
@ -142,6 +140,7 @@ class DownloadPendingDeleter(context: Context) {
/**
* Class used to save an entry for a manga into preferences.
*/
@Serializable
private data class MangaEntry(
val id: Long,
val url: String,

15
app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadStore.kt
View file

@ -2,12 +2,15 @@ package eu.kanade.tachiyomi.data.download
import android.content.Context
import androidx.core.content.edit
import com.google.gson.Gson
import eu.kanade.tachiyomi.data.database.DatabaseHelper
import eu.kanade.tachiyomi.data.database.models.Manga
import eu.kanade.tachiyomi.data.download.model.Download
import eu.kanade.tachiyomi.source.SourceManager
import eu.kanade.tachiyomi.source.online.HttpSource
import kotlinx.serialization.Serializable
import kotlinx.serialization.decodeFromString
import kotlinx.serialization.encodeToString
import kotlinx.serialization.json.Json
import uy.kohesive.injekt.injectLazy
/**
@ -25,11 +28,6 @@ class DownloadStore(
*/
private val preferences = context.getSharedPreferences("active_downloads", Context.MODE_PRIVATE)
/**
* Gson instance to serialize/deserialize downloads.
*/
private val gson: Gson by injectLazy()
private val db: DatabaseHelper by injectLazy()
/**
@ -111,7 +109,7 @@ class DownloadStore(
*/
private fun serialize(download: Download): String {
val obj = DownloadObject(download.manga.id!!, download.chapter.id!!, counter++)
return gson.toJson(obj)
return Json.encodeToString(obj)
}
/**
@ -121,7 +119,7 @@ class DownloadStore(
*/
private fun deserialize(string: String): DownloadObject? {
return try {
gson.fromJson(string, DownloadObject::class.java)
Json.decodeFromString<DownloadObject>(string)
} catch (e: Exception) {
null
}
@ -134,5 +132,6 @@ class DownloadStore(
* @param chapterId the id of the chapter.
* @param order the order of the download in the queue.
*/
@Serializable
data class DownloadObject(val mangaId: Long, val chapterId: Long, val order: Int)
}