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Exclude backup empty fields

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This commit is contained in:
len 2016-11-06 13:31:01 +01:00
parent f4d12ba622
commit b418169c20
4 changed files with 45 additions and 9 deletions
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6
app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupManager.kt
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@ -3,8 +3,10 @@ package eu.kanade.tachiyomi.data.backup
import com.github.salomonbrys.kotson.fromJson import com.github.salomonbrys.kotson.fromJson
import com.google.gson.* import com.google.gson.*
import com.google.gson.stream.JsonReader import com.google.gson.stream.JsonReader
import eu.kanade.tachiyomi.data.backup.serializer.BooleanSerializer
import eu.kanade.tachiyomi.data.backup.serializer.IdExclusion import eu.kanade.tachiyomi.data.backup.serializer.IdExclusion
import eu.kanade.tachiyomi.data.backup.serializer.IntegerSerializer import eu.kanade.tachiyomi.data.backup.serializer.IntegerSerializer
import eu.kanade.tachiyomi.data.backup.serializer.LongSerializer
import eu.kanade.tachiyomi.data.database.DatabaseHelper import eu.kanade.tachiyomi.data.database.DatabaseHelper
import eu.kanade.tachiyomi.data.database.models.* import eu.kanade.tachiyomi.data.database.models.*
import java.io.* import java.io.*
@ -42,7 +44,9 @@ class BackupManager(private val db: DatabaseHelper) {
@Suppress("PLATFORM_CLASS_MAPPED_TO_KOTLIN") @Suppress("PLATFORM_CLASS_MAPPED_TO_KOTLIN")
private val gson = GsonBuilder() private val gson = GsonBuilder()
.registerTypeAdapter(Integer::class.java, IntegerSerializer()) .registerTypeAdapter(java.lang.Integer::class.java, IntegerSerializer())
.registerTypeAdapter(java.lang.Boolean::class.java, BooleanSerializer())
.registerTypeAdapter(java.lang.Long::class.java, LongSerializer())
.setExclusionStrategies(IdExclusion()) .setExclusionStrategies(IdExclusion())
.create() .create()

16
app/src/main/java/eu/kanade/tachiyomi/data/backup/serializer/BooleanSerializer.kt Normal file
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@ -0,0 +1,16 @@
package eu.kanade.tachiyomi.data.backup.serializer
import com.google.gson.JsonElement
import com.google.gson.JsonPrimitive
import com.google.gson.JsonSerializationContext
import com.google.gson.JsonSerializer
import java.lang.reflect.Type
class BooleanSerializer : JsonSerializer<Boolean> {
override fun serialize(value: Boolean?, type: Type, context: JsonSerializationContext): JsonElement? {
if (value != null && value != false)
return JsonPrimitive(value)
return null
}
}

16
app/src/main/java/eu/kanade/tachiyomi/data/backup/serializer/IdExclusion.kt
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@ -2,10 +2,10 @@ package eu.kanade.tachiyomi.data.backup.serializer
import com.google.gson.ExclusionStrategy import com.google.gson.ExclusionStrategy
import com.google.gson.FieldAttributes import com.google.gson.FieldAttributes
import eu.kanade.tachiyomi.data.database.models.Category import eu.kanade.tachiyomi.data.database.models.CategoryImpl
import eu.kanade.tachiyomi.data.database.models.Chapter import eu.kanade.tachiyomi.data.database.models.ChapterImpl
import eu.kanade.tachiyomi.data.database.models.Manga import eu.kanade.tachiyomi.data.database.models.MangaImpl
import eu.kanade.tachiyomi.data.database.models.MangaSync import eu.kanade.tachiyomi.data.database.models.MangaSyncImpl
class IdExclusion : ExclusionStrategy { class IdExclusion : ExclusionStrategy {
@ -15,10 +15,10 @@ class IdExclusion : ExclusionStrategy {
private val syncExclusions = listOf("id", "manga_id", "update") private val syncExclusions = listOf("id", "manga_id", "update")
override fun shouldSkipField(f: FieldAttributes) = when (f.declaringClass) { override fun shouldSkipField(f: FieldAttributes) = when (f.declaringClass) {
Manga::class.java -> mangaExclusions.contains(f.name) MangaImpl::class.java -> mangaExclusions.contains(f.name)
Chapter::class.java -> chapterExclusions.contains(f.name) ChapterImpl::class.java -> chapterExclusions.contains(f.name)
MangaSync::class.java -> syncExclusions.contains(f.name) MangaSyncImpl::class.java -> syncExclusions.contains(f.name)
Category::class.java -> categoryExclusions.contains(f.name) CategoryImpl::class.java -> categoryExclusions.contains(f.name)
else -> false else -> false
} }

16
app/src/main/java/eu/kanade/tachiyomi/data/backup/serializer/LongSerializer.kt Normal file
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@ -0,0 +1,16 @@
package eu.kanade.tachiyomi.data.backup.serializer
import com.google.gson.JsonElement
import com.google.gson.JsonPrimitive
import com.google.gson.JsonSerializationContext
import com.google.gson.JsonSerializer
import java.lang.reflect.Type
class LongSerializer : JsonSerializer<Long> {
override fun serialize(value: Long?, type: Type, context: JsonSerializationContext): JsonElement? {
if (value != null && value !== 0L)
return JsonPrimitive(value)
return null
}
}