56 lines
1.7 KiB
Swift
56 lines
1.7 KiB
Swift
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import Combine
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import Foundation
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import GRDB
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import SwiftUI
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// MARK: - Models protocol
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typealias DBStorable = Codable & FetchableRecord & Identifiable & PersistableRecord & TableRecord
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// MARK: - Database init
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final class Database {
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static let shared = Database()
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let _db: DatabaseQueue
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private init() {
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do {
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// Create db folder if not exists
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let fileManager = FileManager.default
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let appSupportURL = try fileManager.url(
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for: .applicationSupportDirectory, in: .userDomainMask,
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appropriateFor: nil, create: true
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)
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let directoryURL = appSupportURL.appendingPathComponent("ConversationsClassic", isDirectory: true)
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try fileManager.createDirectory(at: directoryURL, withIntermediateDirectories: true)
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// Open or create the database
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let databaseURL = directoryURL.appendingPathComponent("db.sqlite")
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_db = try DatabaseQueue(path: databaseURL.path, configuration: Database.config)
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// Some debug info
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#if DEBUG
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print("Database path: \(databaseURL.path)")
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#endif
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// Apply migrations
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try Database.migrator.migrate(_db)
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} catch {
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fatalError("Database initialization failed: \(error)")
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}
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}
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}
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// MARK: - Config
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private extension Database {
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static let config: Configuration = {
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var config = Configuration()
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#if DEBUG
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// verbose and debugging in DEBUG builds only.
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config.publicStatementArguments = true
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config.prepareDatabase { db in
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db.trace { print("SQL> \($0)") }
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}
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#endif
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return config
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}()
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}
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