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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.NotificationContent
import com.pitchedapps.frost.utils.L
@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) ?: -1L
}
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