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/*
* Copyright 2018 Allan Wang
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.pitchedapps.frost.db
import androidx.room.ColumnInfo
import androidx.room.Dao
import androidx.room.Embedded
import androidx.room.Entity
import androidx.room.ForeignKey
import androidx.room.Index
import androidx.room.Insert
import androidx.room.OnConflictStrategy
import androidx.room.Query
import androidx.room.Transaction
import com.pitchedapps.frost.services.NOTIF_CHANNEL_GENERAL
import com.pitchedapps.frost.services.NOTIF_CHANNEL_MESSAGES
import com.pitchedapps.frost.services.NotificationContent
import com.pitchedapps.frost.utils.L
import com.raizlabs.android.dbflow.annotation.ConflictAction
import com.raizlabs.android.dbflow.annotation.Database
import com.raizlabs.android.dbflow.annotation.Migration
import com.raizlabs.android.dbflow.annotation.PrimaryKey
import com.raizlabs.android.dbflow.annotation.Table
import com.raizlabs.android.dbflow.kotlinextensions.eq
import com.raizlabs.android.dbflow.kotlinextensions.from
import com.raizlabs.android.dbflow.kotlinextensions.select
import com.raizlabs.android.dbflow.kotlinextensions.where
import com.raizlabs.android.dbflow.sql.SQLiteType
import com.raizlabs.android.dbflow.sql.migration.AlterTableMigration
import com.raizlabs.android.dbflow.structure.BaseModel
@Entity(
tableName = "notifications",
primaryKeys = ["notif_id", "userId"],
foreignKeys = [ForeignKey(
entity = CookieEntity::class,
parentColumns = ["cookie_id"],
childColumns = ["userId"],
onDelete = ForeignKey.CASCADE
)],
indices = [Index("notif_id"), Index("userId")]
)
data class NotificationEntity(
@ColumnInfo(name = "notif_id")
val id: Long,
val userId: Long,
val href: String,
val title: String?,
val text: String,
val timestamp: Long,
val profileUrl: String?,
// Type essentially refers to channel
val type: String,
val unread: Boolean
) {
constructor(
type: String,
content: NotificationContent
) : this(
content.id,
content.data.id,
content.href,
content.title,
content.text,
content.timestamp,
content.profileUrl,
type,
content.unread
)
}
data class NotificationContentEntity(
@Embedded
val cookie: CookieEntity,
@Embedded
val notif: NotificationEntity
) {
fun toNotifContent() = NotificationContent(
data = cookie,
id = notif.id,
href = notif.href,
title = notif.title,
text = notif.text,
timestamp = notif.timestamp,
profileUrl = notif.profileUrl,
unread = notif.unread
)
}
@Dao
interface NotificationDao {
/**
* Note that notifications are guaranteed to be ordered by descending timestamp
*/
@Transaction
@Query("SELECT * FROM cookies INNER JOIN notifications ON cookie_id = userId WHERE userId = :userId AND type = :type ORDER BY timestamp DESC")
fun _selectNotifications(userId: Long, type: String): List<NotificationContentEntity>
@Query("SELECT timestamp FROM notifications WHERE userId = :userId AND type = :type ORDER BY timestamp DESC LIMIT 1")
fun _selectEpoch(userId: Long, type: String): Long?
@Insert(onConflict = OnConflictStrategy.REPLACE)
fun _insertNotifications(notifs: List<NotificationEntity>)
@Query("DELETE FROM notifications WHERE userId = :userId AND type = :type")
fun _deleteNotifications(userId: Long, type: String)
@Query("DELETE FROM notifications")
fun _deleteAll()
/**
* It is assumed that the notification batch comes from the same user
*/
@Transaction
fun _saveNotifications(type: String, notifs: List<NotificationContent>) {
val userId = notifs.firstOrNull()?.data?.id ?: return
val entities = notifs.map { NotificationEntity(type, it) }
_deleteNotifications(userId, type)
_insertNotifications(entities)
}
}
suspend fun NotificationDao.deleteAll() = dao { _deleteAll() }
fun NotificationDao.selectNotificationsSync(userId: Long, type: String): List<NotificationContent> =
_selectNotifications(userId, type).map { it.toNotifContent() }
suspend fun NotificationDao.selectNotifications(
userId: Long,
type: String
): List<NotificationContent> = dao {
selectNotificationsSync(userId, type)
}
/**
* Returns true if successful, given that there are constraints to the insertion
*/
suspend fun NotificationDao.saveNotifications(
type: String,
notifs: List<NotificationContent>
): Boolean = dao {
try {
_saveNotifications(type, notifs)
true
} catch (e: Exception) {
L.e(e) { "Notif save failed for $type" }
false
}
}
suspend fun NotificationDao.latestEpoch(userId: Long, type: String): Long = dao {
_selectEpoch(userId, type) ?: lastNotificationTime(userId).let {
when (type) {
NOTIF_CHANNEL_GENERAL -> it.epoch
NOTIF_CHANNEL_MESSAGES -> it.epochIm
else -> -1L
}
}
}
/**
* Created by Allan Wang on 2017-05-30.
*/
@Database(version = NotificationDb.VERSION)
object NotificationDb {
const val NAME = "Notifications"
const val VERSION = 2
}
@Migration(version = 2, database = NotificationDb::class)
class NotificationMigration2(modelClass: Class<NotificationModel>) :
AlterTableMigration<NotificationModel>(modelClass) {
override fun onPreMigrate() {
super.onPreMigrate()
addColumn(SQLiteType.INTEGER, "epochIm")
L.d { "Added column" }
}
}
@Table(
database = NotificationDb::class,
allFields = true,
primaryKeyConflict = ConflictAction.REPLACE
)
data class NotificationModel(
@PrimaryKey var id: Long = -1L,
var epoch: Long = -1L,
var epochIm: Long = -1L
) : BaseModel()
internal fun lastNotificationTime(id: Long): NotificationModel =
(select from NotificationModel::class where (NotificationModel_Table.id eq id)).querySingle()
?: NotificationModel(id = id)
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