Files
EhViewer/app/src/main/java/com/hippo/ehviewer/EhDB.kt
T
2023-02-24 16:36:41 +08:00

459 lines
14 KiB
Kotlin

/*
* Copyright 2016 Hippo Seven
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hippo.ehviewer
import android.content.Context
import android.net.Uri
import android.os.ParcelFileDescriptor
import android.os.ParcelFileDescriptor.MODE_READ_ONLY
import androidx.paging.PagingSource
import androidx.room.Room.databaseBuilder
import com.hippo.Native
import com.hippo.ehviewer.EhApplication.Companion.ehDatabase
import com.hippo.ehviewer.client.data.GalleryInfo
import com.hippo.ehviewer.dao.BasicDao
import com.hippo.ehviewer.dao.DownloadDirname
import com.hippo.ehviewer.dao.DownloadInfo
import com.hippo.ehviewer.dao.DownloadLabel
import com.hippo.ehviewer.dao.EhDatabase
import com.hippo.ehviewer.dao.Filter
import com.hippo.ehviewer.dao.HistoryInfo
import com.hippo.ehviewer.dao.LocalFavoriteInfo
import com.hippo.ehviewer.dao.QuickSearch
import com.hippo.ehviewer.download.DownloadManager
object EhDB {
private const val CUR_DB_VER = 4
private val db = ehDatabase
// Fix state
@get:Synchronized
val allDownloadInfo: List<DownloadInfo>
get() = db.downloadsDao().list().onEach {
if (it.state == DownloadInfo.STATE_WAIT || it.state == DownloadInfo.STATE_DOWNLOAD) {
it.state = DownloadInfo.STATE_NONE
}
}
@Synchronized
fun updateDownloadInfo(downloadInfos: List<DownloadInfo>) {
val dao = db.downloadsDao()
dao.update(downloadInfos)
}
@Synchronized
fun putDownloadInfo(downloadInfo: DownloadInfo) {
db.downloadsDao().run {
if (load(downloadInfo.gid) != null) {
update(downloadInfo)
} else {
insert(downloadInfo)
}
}
}
@Synchronized
fun removeDownloadInfo(downloadInfo: DownloadInfo) {
db.downloadsDao().delete(downloadInfo)
}
@Synchronized
fun getDownloadDirname(gid: Long): String? {
val dao = db.downloadDirnameDao()
val raw = dao.load(gid)
return raw?.dirname
}
@Synchronized
fun putDownloadDirname(gid: Long, dirname: String?) {
val dao = db.downloadDirnameDao()
var raw = dao.load(gid)
if (raw != null) {
raw.dirname = dirname
dao.update(raw)
} else {
raw = DownloadDirname(gid, dirname)
dao.insert(raw)
}
}
@Synchronized
fun removeDownloadDirname(gid: Long) {
val dao = db.downloadDirnameDao()
dao.deleteByKey(gid)
}
@Synchronized
fun clearDownloadDirname() {
val dao = db.downloadDirnameDao()
dao.deleteAll()
}
@get:Synchronized
val allDownloadLabelList: List<DownloadLabel>
get() = db.downloadLabelDao().list()
@Synchronized
fun addDownloadLabel(label: String): DownloadLabel {
val dao = db.downloadLabelDao()
val raw = DownloadLabel()
raw.label = label
raw.time = System.currentTimeMillis()
raw.id = dao.insert(raw)
return raw
}
@Synchronized
fun addDownloadLabel(raw: DownloadLabel): DownloadLabel {
// Reset id
raw.id = null
val dao = db.downloadLabelDao()
raw.id = dao.insert(raw)
return raw
}
@Synchronized
fun updateDownloadLabel(raw: DownloadLabel?) {
val dao = db.downloadLabelDao()
dao.update(raw!!)
}
@Synchronized
fun moveDownloadLabel(fromPosition: Int, toPosition: Int) {
if (fromPosition == toPosition) {
return
}
val reverse = fromPosition > toPosition
val offset = if (reverse) toPosition else fromPosition
val limit = if (reverse) fromPosition - toPosition + 1 else toPosition - fromPosition + 1
val dao = db.downloadLabelDao()
val list = dao.list(offset, limit)
val step = if (reverse) 1 else -1
val start = if (reverse) limit - 1 else 0
val end = if (reverse) 0 else limit - 1
val toTime = list[end].time
var i = end
while (if (reverse) i < start else i > start) {
list[i].time = list[i + step].time
i += step
}
list[start].time = toTime
dao.update(list)
}
@Synchronized
fun removeDownloadLabel(raw: DownloadLabel?) {
val dao = db.downloadLabelDao()
dao.delete(raw!!)
}
@get:Synchronized
val allLocalFavorites: List<GalleryInfo>
get() {
val dao = db.localFavoritesDao()
val list = dao.list()
return ArrayList<GalleryInfo>(list)
}
@Synchronized
fun searchLocalFavorites(query: String): List<GalleryInfo> {
val dao = db.localFavoritesDao()
val list = dao.list("%$query%")
return ArrayList<GalleryInfo>(list)
}
@Synchronized
fun removeLocalFavorites(gid: Long) {
db.localFavoritesDao().deleteByKey(gid)
}
@Synchronized
fun removeLocalFavorites(gidArray: LongArray) {
val dao = db.localFavoritesDao()
for (gid in gidArray) {
dao.deleteByKey(gid)
}
}
@JvmStatic
@Synchronized
fun containLocalFavorites(gid: Long): Boolean {
val dao = db.localFavoritesDao()
return null != dao.load(gid)
}
@Synchronized
fun putLocalFavorites(galleryInfo: GalleryInfo) {
val dao = db.localFavoritesDao()
if (null == dao.load(galleryInfo.gid)) {
val info: LocalFavoriteInfo
if (galleryInfo is LocalFavoriteInfo) {
info = galleryInfo
} else {
info = LocalFavoriteInfo(galleryInfo)
info.time = System.currentTimeMillis()
}
dao.insert(info)
}
}
@Synchronized
fun putLocalFavorites(galleryInfoList: List<GalleryInfo>) {
for (gi in galleryInfoList) {
putLocalFavorites(gi)
}
}
@get:Synchronized
val allQuickSearch: List<QuickSearch>
get() {
val dao = db.quickSearchDao()
return dao.list()
}
@Synchronized
fun insertQuickSearch(quickSearch: QuickSearch) {
val dao = db.quickSearchDao()
quickSearch.id = null
quickSearch.time = System.currentTimeMillis()
quickSearch.id = dao.insert(quickSearch)
}
@Synchronized
fun importQuickSearch(quickSearchList: List<QuickSearch?>) {
val dao = db.quickSearchDao()
for (quickSearch in quickSearchList) {
dao.insert(quickSearch!!)
}
}
@Synchronized
fun deleteQuickSearch(quickSearch: QuickSearch?) {
val dao = db.quickSearchDao()
dao.delete(quickSearch)
}
@Synchronized
fun moveQuickSearch(fromPosition: Int, toPosition: Int) {
if (fromPosition == toPosition) {
return
}
val reverse = fromPosition > toPosition
val offset = if (reverse) toPosition else fromPosition
val limit = if (reverse) fromPosition - toPosition + 1 else toPosition - fromPosition + 1
val dao = db.quickSearchDao()
val list = dao.list(offset, limit)
val step = if (reverse) 1 else -1
val start = if (reverse) limit - 1 else 0
val end = if (reverse) 0 else limit - 1
val toTime = list[end].time
var i = end
while (if (reverse) i < start else i > start) {
list[i].time = list[i + step].time
i += step
}
list[start].time = toTime
dao.update(list)
}
@get:Synchronized
val historyLazyList: PagingSource<Int, HistoryInfo>
get() = db.historyDao().listLazy()
@Synchronized
fun putHistoryInfo(galleryInfo: GalleryInfo?) {
val dao = db.historyDao()
val info: HistoryInfo = if (galleryInfo is HistoryInfo) {
galleryInfo
} else {
HistoryInfo(galleryInfo!!)
}
info.time = System.currentTimeMillis()
if (null != dao.load(info.gid)) {
dao.update(info)
} else {
dao.insert(info)
}
}
@Synchronized
fun putHistoryInfoNonRefresh(info: GalleryInfo) {
val dao = db.historyDao()
val i = dao.load(info.gid)
if (null != i) {
val historyInfo: HistoryInfo
if (info is HistoryInfo) {
historyInfo = info
} else {
historyInfo = HistoryInfo(info)
historyInfo.time = i.time
}
dao.update(historyInfo)
}
}
@Synchronized
fun putHistoryInfo(historyInfoList: List<HistoryInfo>) {
val dao = db.historyDao()
for (info in historyInfoList) {
if (null == dao.load(info.gid)) {
dao.insert(info)
}
}
}
@Synchronized
fun deleteHistoryInfo(info: HistoryInfo?) {
val dao = db.historyDao()
dao.delete(info!!)
}
@Synchronized
fun clearHistoryInfo() {
val dao = db.historyDao()
dao.deleteAll()
}
@get:Synchronized
val allFilter: List<Filter>
get() = db.filterDao().list()
@Synchronized
fun addFilter(filter: Filter): Boolean {
val existFilter: Filter? = try {
db.filterDao().load(filter.text!!, filter.mode)
} catch (e: Exception) {
null
}
return if (existFilter == null) {
filter.id = null
filter.id = db.filterDao().insert(filter)
true
} else {
false
}
}
@Synchronized
fun deleteFilter(filter: Filter) {
db.filterDao().delete(filter)
}
@Synchronized
fun triggerFilter(filter: Filter) {
filter.enable = filter.enable?.not() ?: false
db.filterDao().update(filter)
}
private fun <T> copyDao(from: BasicDao<T>, to: BasicDao<T>) {
val list = from.list()
for (item in list) to.insert(item)
}
@Synchronized
fun exportDB(context: Context, uri: Uri): Boolean {
val ehExportName = "eh.export.db"
runCatching {
context.deleteDatabase(ehExportName)
val newDb = databaseBuilder(context, EhDatabase::class.java, ehExportName).build()
copyDao(db.downloadsDao(), newDb.downloadsDao())
copyDao(db.downloadLabelDao(), newDb.downloadLabelDao())
copyDao(db.downloadDirnameDao(), newDb.downloadDirnameDao())
copyDao(db.historyDao(), newDb.historyDao())
copyDao(db.quickSearchDao(), newDb.quickSearchDao())
copyDao(db.localFavoritesDao(), newDb.localFavoritesDao())
copyDao(db.filterDao(), newDb.filterDao())
val dbFile = context.getDatabasePath(ehExportName)
context.contentResolver.openFileDescriptor(uri, "rw")!!.use { toFd ->
ParcelFileDescriptor.open(dbFile, MODE_READ_ONLY).use { fromFd ->
Native.sendfile(fromFd.fd, toFd.fd)
}
}
return true
}.onFailure {
it.printStackTrace()
}
return false
}
/**
* @return error string, null for no error
*/
@Synchronized
fun importDB(context: Context, uri: Uri): String? {
runCatching {
val oldDB = databaseBuilder(context, EhDatabase::class.java, "tmp.db")
.createFromInputStream { context.contentResolver.openInputStream(uri) }.build()
// Download label
val manager = DownloadManager
runCatching {
val downloadLabelList = oldDB.downloadLabelDao().list()
manager.addDownloadLabel(downloadLabelList)
}
// Downloads
runCatching {
val downloadInfoList = oldDB.downloadsDao().list()
manager.addDownload(downloadInfoList, false)
}
// Download dirname
runCatching {
oldDB.downloadDirnameDao().list().forEach {
putDownloadDirname(it.gid, it.dirname)
}
}
// History
runCatching {
val historyInfoList = oldDB.historyDao().list()
putHistoryInfo(historyInfoList)
}
// QuickSearch
runCatching {
val quickSearchList = oldDB.quickSearchDao().list()
val currentQuickSearchList = db.quickSearchDao().list()
val importList = quickSearchList.mapNotNull { newQS ->
newQS.takeIf { currentQuickSearchList.find { it.name == newQS.name } == null }
}
importQuickSearch(importList)
}
// LocalFavorites
runCatching {
oldDB.localFavoritesDao().list().forEach {
putLocalFavorites(it)
}
}
// Filter
runCatching {
val filterList = oldDB.filterDao().list()
val currentFilterList = db.filterDao().list()
filterList.forEach {
if (it !in currentFilterList) addFilter(it)
}
}
oldDB.close()
}.onFailure {
it.printStackTrace()
return context.getString(R.string.cant_read_the_file)
}
return null
}
}