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119 changes: 119 additions & 0 deletions
119
...se/src/main/java/jp/co/casl0/android/simpleappblocker/core/database/DatabaseMigrations.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| /* | ||
| * Copyright 2022 CASL0 | ||
| * | ||
| * 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 jp.co.casl0.android.simpleappblocker.core.database | ||
|
|
||
| import androidx.room.migration.Migration | ||
| import androidx.sqlite.db.SupportSQLiteDatabase | ||
| import kotlinx.datetime.TimeZone | ||
| import kotlinx.datetime.toInstant | ||
| import kotlinx.datetime.toKotlinLocalDateTime | ||
| import java.time.LocalDateTime | ||
| import java.time.format.DateTimeFormatter | ||
|
|
||
| /** | ||
| * ブロックログテーブルのブロック時刻のカラム定義変更のマイグレ | ||
| * ISO文字列で保持していたので、エポック秒へ変換 | ||
| * | ||
| * */ | ||
| val MIGRATION_2_3 = object : Migration(2, 3) { | ||
| override fun migrate(database: SupportSQLiteDatabase) { | ||
| database.execSQL( | ||
| """ | ||
| CREATE TABLE new_blocked_packets ( | ||
| package_name TEXT PRIMARY KEY NOT NULL, | ||
| app_name TEXT NOT NULL DEFAULT '', | ||
| src_address TEXT NOT NULL, | ||
| src_port INTEGER NOT NULL, | ||
| dst_address TEXT NOT NULL, | ||
| dst_port INTEGER NOT NULL, | ||
| protocol TEXT NOT NULL, | ||
| blocked_at INTEGER NOT NULL | ||
| ) | ||
| ; | ||
| """.trimIndent() | ||
| ) | ||
|
|
||
| val formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss") | ||
|
|
||
| database.query( | ||
| "SELECT * FROM blocked_packets;" | ||
| ).also { cursor -> | ||
| while (cursor.moveToNext()) { | ||
| val columnIndex = hashMapOf( | ||
| "package_name" to cursor.getColumnIndex("package_name"), | ||
| "app_name" to cursor.getColumnIndex("app_name"), | ||
| "src_address" to cursor.getColumnIndex("src_address"), | ||
| "src_port" to cursor.getColumnIndex("src_port"), | ||
| "dst_address" to cursor.getColumnIndex("dst_address"), | ||
| "dst_port" to cursor.getColumnIndex("dst_port"), | ||
| "protocol" to cursor.getColumnIndex("protocol"), | ||
| "blocked_at" to cursor.getColumnIndex("blocked_at") | ||
| ) | ||
| val packageName = | ||
| columnIndex["package_name"]?.let { cursor.getString(it) } ?: continue | ||
| val appName = | ||
| columnIndex["app_name"]?.let { cursor.getString(it) } ?: continue | ||
| val srcAddress = | ||
| columnIndex["src_address"]?.let { cursor.getString(it) } ?: continue | ||
| val srcPort = | ||
| columnIndex["src_port"]?.let { cursor.getInt(it) } ?: continue | ||
| val dstAddress = | ||
| columnIndex["dst_address"]?.let { cursor.getString(it) } ?: continue | ||
| val dstPort = | ||
| columnIndex["dst_port"]?.let { cursor.getInt(it) } ?: continue | ||
| val protocol = | ||
| columnIndex["protocol"]?.let { cursor.getString(it) } ?: continue | ||
| val blockedAt = | ||
| columnIndex["blocked_at"]?.let { cursor.getString(it) } ?: continue | ||
|
|
||
| val dateTimeInstant = | ||
| LocalDateTime.parse(blockedAt, formatter).toKotlinLocalDateTime() | ||
| .toInstant(TimeZone.currentSystemDefault()) | ||
| database.execSQL( | ||
| """ | ||
| INSERT INTO new_blocked_packets | ||
| ( | ||
| package_name, | ||
| app_name, | ||
| src_address, | ||
| src_port, | ||
| dst_address, | ||
| dst_port, | ||
| protocol, | ||
| blocked_at | ||
| ) | ||
| VALUES | ||
| ( | ||
| '$packageName', | ||
| '$appName', | ||
| '$srcAddress', | ||
| $srcPort, | ||
| '$dstAddress', | ||
| $dstPort, | ||
| '$protocol', | ||
| ${dateTimeInstant.toEpochMilliseconds()} | ||
| ) | ||
| ; | ||
| """.trimIndent() | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| database.execSQL("DROP TABLE blocked_packets;") | ||
| database.execSQL("ALTER TABLE new_blocked_packets RENAME TO blocked_packets;") | ||
| } | ||
| } |
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