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catch exceptions in Android Database helper (#7027)

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This commit is contained in:
Elias Nahum
2023-01-27 18:49:31 +02:00
committed by GitHub
parent 34aef73ac1
commit 7ed2e73a91
1 changed files with 54 additions and 33 deletions
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87
android/app/src/main/java/com/mattermost/helpers/DatabaseHelper.kt
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@@ -20,13 +20,18 @@ class DatabaseHelper {
val onlyServerUrl: String?
get() {
val query = "SELECT url FROM Servers WHERE last_active_at != 0 AND identifier != ''"
val cursor = defaultDatabase!!.rawQuery(query)
if (cursor.count == 1) {
cursor.moveToFirst()
val url = cursor.getString(0)
cursor.close()
return url
try {
val query = "SELECT url FROM Servers WHERE last_active_at != 0 AND identifier != ''"
val cursor = defaultDatabase!!.rawQuery(query)
if (cursor.count == 1) {
cursor.moveToFirst()
val url = cursor.getString(0)
cursor.close()
return url
}
} catch (e: Exception) {
e.printStackTrace()
// let it fall to return null
}
return null
}
@@ -38,14 +43,19 @@ class DatabaseHelper {
}
fun getServerUrlForIdentifier(identifier: String): String? {
val args: Array<Any?> = arrayOf(identifier)
val query = "SELECT url FROM Servers WHERE identifier=?"
val cursor = defaultDatabase!!.rawQuery(query, args)
if (cursor.count == 1) {
cursor.moveToFirst()
val url = cursor.getString(0)
cursor.close()
return url
try {
val args: Array<Any?> = arrayOf(identifier)
val query = "SELECT url FROM Servers WHERE identifier=?"
val cursor = defaultDatabase!!.rawQuery(query, args)
if (cursor.count == 1) {
cursor.moveToFirst()
val url = cursor.getString(0)
cursor.close()
return url
}
} catch (e: Exception) {
e.printStackTrace()
// let it fall to return null
}
return null
}
@@ -63,19 +73,25 @@ class DatabaseHelper {
return resultMap
}
} catch (e: Exception) {
e.printStackTrace()
return null
}
}
fun getDatabaseForServer(context: Context?, serverUrl: String): Database? {
val args: Array<Any?> = arrayOf(serverUrl)
val query = "SELECT db_path FROM Servers WHERE url=?"
val cursor = defaultDatabase!!.rawQuery(query, args)
if (cursor.count == 1) {
cursor.moveToFirst()
val databasePath = cursor.getString(0)
cursor.close()
return Database(databasePath, context!!)
try {
val args: Array<Any?> = arrayOf(serverUrl)
val query = "SELECT db_path FROM Servers WHERE url=?"
val cursor = defaultDatabase!!.rawQuery(query, args)
if (cursor.count == 1) {
cursor.moveToFirst()
val databasePath = cursor.getString(0)
cursor.close()
return Database(databasePath, context!!)
}
} catch (e: Exception) {
e.printStackTrace()
// let it fall to return null
}
return null
}
@@ -148,18 +164,23 @@ class DatabaseHelper {
}
fun queryPostSinceForChannel(db: Database?, channelId: String): Double? {
if (db != null) {
val postsInChannelQuery = "SELECT last_fetched_at FROM MyChannel WHERE id=? LIMIT 1"
val cursor1 = db.rawQuery(postsInChannelQuery, arrayOf(channelId))
if (cursor1.count == 1) {
cursor1.moveToFirst()
val lastFetchedAt = cursor1.getDouble(0)
cursor1.close()
if (lastFetchedAt == 0.0) {
return queryLastPostCreateAt(db, channelId)
try {
if (db != null) {
val postsInChannelQuery = "SELECT last_fetched_at FROM MyChannel WHERE id=? LIMIT 1"
val cursor1 = db.rawQuery(postsInChannelQuery, arrayOf(channelId))
if (cursor1.count == 1) {
cursor1.moveToFirst()
val lastFetchedAt = cursor1.getDouble(0)
cursor1.close()
if (lastFetchedAt == 0.0) {
return queryLastPostCreateAt(db, channelId)
}
return lastFetchedAt
}
return lastFetchedAt
}
} catch (e: Exception) {
e.printStackTrace()
// let it fall to return null
}
return null
}