50 lines
1.4 KiB
Swift
50 lines
1.4 KiB
Swift
//
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// Copyright 2023 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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//
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extension SDSCodableModelDatabaseInterfaceImpl {
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/// Remove a model from the database.
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func removeModel<Model: SDSCodableModel>(
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_ model: Model,
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transaction: DBWriteTransaction
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) {
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let transaction = SDSDB.shimOnlyBridge(transaction)
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guard model.shouldBeSaved else {
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Logger.warn("Skipping delete of \(Model.self).")
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return
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}
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model.anyWillRemove(transaction: transaction)
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removeModelFromDatabase(model, transaction: transaction)
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model.anyDidRemove(transaction: transaction)
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}
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private func removeModelFromDatabase<Model: SDSCodableModel>(
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_ model: Model,
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transaction: DBWriteTransaction
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) {
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do {
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let sql: String = """
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DELETE FROM \(Model.databaseTableName.quotedDatabaseIdentifier)
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WHERE uniqueId = ?
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"""
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let statement = try transaction.database.cachedStatement(sql: sql)
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try statement.setArguments([model.uniqueId])
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try statement.execute()
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} catch let error {
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DatabaseCorruptionState.flagDatabaseCorruptionIfNecessary(
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userDefaults: CurrentAppContext().appUserDefaults(),
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error: error
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)
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owsFail("Delete failed: \(error.grdbErrorForLogging)")
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}
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}
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}
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