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DB optimizations

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Justin Mazzocchi 2020-09-27 22:16:02 -07:00
parent 7172dc5e45
commit 6d3c66d251
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GPG key ID: E223E6937AAFB01C
1 changed files with 25 additions and 28 deletions
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53
DB/Sources/DB/Identity/IdentityDatabase.swift
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@ -12,29 +12,29 @@ public enum IdentityDatabaseError: Error {
}
public struct IdentityDatabase {
private let databaseQueue: DatabaseQueue
private let databaseWriter: DatabaseWriter
public init(inMemory: Bool, keychain: Keychain.Type) throws {
if inMemory {
databaseQueue = DatabaseQueue()
databaseWriter = DatabaseQueue()
} else {
let path = try FileManager.default.databaseDirectoryURL(name: Self.name).path
var configuration = Configuration()
configuration.prepareDatabase {
try $0.usePassphrase(try Secrets.databaseKey(identityID: nil, keychain: keychain))
try $0.usePassphrase(Secrets.databaseKey(identityID: nil, keychain: keychain))
}
databaseQueue = try DatabaseQueue(path: path, configuration: configuration)
databaseWriter = try DatabasePool(path: path, configuration: configuration)
}
try Self.migrate(databaseQueue)
try migrate()
}
}
public extension IdentityDatabase {
func createIdentity(id: UUID, url: URL, authenticated: Bool, pending: Bool) -> AnyPublisher<Never, Error> {
databaseQueue.writePublisher(
databaseWriter.writePublisher(
updates: IdentityRecord(
id: id,
url: url,
@ -51,13 +51,13 @@ public extension IdentityDatabase {
}
func deleteIdentity(id: UUID) -> AnyPublisher<Never, Error> {
databaseQueue.writePublisher(updates: IdentityRecord.filter(Column("id") == id).deleteAll)
databaseWriter.writePublisher(updates: IdentityRecord.filter(Column("id") == id).deleteAll)
.ignoreOutput()
.eraseToAnyPublisher()
}
func updateLastUsedAt(identityID: UUID) -> AnyPublisher<Never, Error> {
databaseQueue.writePublisher {
databaseWriter.writePublisher {
try IdentityRecord
.filter(Column("id") == identityID)
.updateAll($0, Column("lastUsedAt").set(to: Date()))
@ -67,7 +67,7 @@ public extension IdentityDatabase {
}
func updateInstance(_ instance: Instance, forIdentityID identityID: UUID) -> AnyPublisher<Never, Error> {
databaseQueue.writePublisher {
databaseWriter.writePublisher {
try Identity.Instance(
uri: instance.uri,
streamingAPI: instance.urls.streamingApi,
@ -83,7 +83,7 @@ public extension IdentityDatabase {
}
func updateAccount(_ account: Account, forIdentityID identityID: UUID) -> AnyPublisher<Never, Error> {
databaseQueue.writePublisher(
databaseWriter.writePublisher(
updates: Identity.Account(
id: account.id,
identityID: identityID,
@ -101,7 +101,7 @@ public extension IdentityDatabase {
}
func confirmIdentity(id: UUID) -> AnyPublisher<Never, Error> {
databaseQueue.writePublisher {
databaseWriter.writePublisher {
try IdentityRecord
.filter(Column("id") == id)
.updateAll($0, Column("pending").set(to: false))
@ -112,7 +112,7 @@ public extension IdentityDatabase {
func updatePreferences(_ preferences: Mastodon.Preferences,
forIdentityID identityID: UUID) -> AnyPublisher<Never, Error> {
databaseQueue.writePublisher {
databaseWriter.writePublisher {
guard let storedPreferences = try IdentityRecord.filter(Column("id") == identityID)
.fetchOne($0)?
.preferences else {
@ -127,7 +127,7 @@ public extension IdentityDatabase {
func updatePreferences(_ preferences: Identity.Preferences,
forIdentityID identityID: UUID) -> AnyPublisher<Never, Error> {
databaseQueue.writePublisher(updates: Self.writePreferences(preferences, id: identityID))
databaseWriter.writePublisher(updates: Self.writePreferences(preferences, id: identityID))
.ignoreOutput()
.eraseToAnyPublisher()
}
@ -135,7 +135,7 @@ public extension IdentityDatabase {
func updatePushSubscription(alerts: PushSubscription.Alerts,
deviceToken: Data? = nil,
forIdentityID identityID: UUID) -> AnyPublisher<Never, Error> {
databaseQueue.writePublisher {
databaseWriter.writePublisher {
let data = try IdentityRecord.databaseJSONEncoder(for: "pushSubscriptionAlerts").encode(alerts)
try IdentityRecord
@ -159,7 +159,7 @@ public extension IdentityDatabase {
.identityResultRequest
.fetchOne)
.removeDuplicates()
.publisher(in: databaseQueue, scheduling: immediate ? .immediate : .async(onQueue: .main))
.publisher(in: databaseWriter, scheduling: immediate ? .immediate : .async(onQueue: .main))
.tryMap {
guard let result = $0 else { throw IdentityDatabaseError.identityNotFound }
@ -175,7 +175,7 @@ public extension IdentityDatabase {
.identityResultRequest
.fetchAll)
.removeDuplicates()
.publisher(in: databaseQueue)
.publisher(in: databaseWriter)
.map { $0.map(Identity.init(result:)) }
.eraseToAnyPublisher()
}
@ -189,7 +189,7 @@ public extension IdentityDatabase {
.limit(9)
.fetchAll)
.removeDuplicates()
.publisher(in: databaseQueue)
.publisher(in: databaseWriter)
.map { $0.map(Identity.init(result:)) }
.eraseToAnyPublisher()
}
@ -197,12 +197,12 @@ public extension IdentityDatabase {
func immediateMostRecentlyUsedIdentityIDObservation() -> AnyPublisher<UUID?, Error> {
ValueObservation.tracking(IdentityRecord.select(Column("id")).order(Column("lastUsedAt").desc).fetchOne)
.removeDuplicates()
.publisher(in: databaseQueue, scheduling: .immediate)
.publisher(in: databaseWriter, scheduling: .immediate)
.eraseToAnyPublisher()
}
func identitiesWithOutdatedDeviceTokens(deviceToken: Data) -> AnyPublisher<[Identity], Error> {
databaseQueue.readPublisher(
databaseWriter.readPublisher(
value: IdentityRecord
.order(Column("lastUsedAt").desc)
.identityResultRequest
@ -214,9 +214,9 @@ public extension IdentityDatabase {
}
private extension IdentityDatabase {
private static let name = "Identity"
static let name = "Identity"
private static func writePreferences(_ preferences: Identity.Preferences, id: UUID) -> (Database) throws -> Void {
static func writePreferences(_ preferences: Identity.Preferences, id: UUID) -> (Database) throws -> Void {
{
let data = try IdentityRecord.databaseJSONEncoder(for: "preferences").encode(preferences)
@ -226,7 +226,7 @@ private extension IdentityDatabase {
}
}
private static func migrate(_ writer: DatabaseWriter) throws {
func migrate() throws {
var migrator = DatabaseMigrator()
migrator.registerMigration("createIdentities") { db in
@ -238,13 +238,12 @@ private extension IdentityDatabase {
}
try db.create(table: "identityRecord", ifNotExists: true) { t in
t.column("id", .text).notNull().primaryKey(onConflict: .replace)
t.column("id", .text).indexed().notNull().primaryKey(onConflict: .replace)
t.column("url", .text).notNull()
t.column("authenticated", .boolean).notNull()
t.column("pending", .boolean).notNull()
t.column("lastUsedAt", .datetime).notNull()
t.column("instanceURI", .text)
.indexed()
.references("instance", column: "uri")
t.column("preferences", .blob).notNull()
t.column("pushSubscriptionAlerts", .blob).notNull()
@ -253,9 +252,7 @@ private extension IdentityDatabase {
try db.create(table: "account", ifNotExists: true) { t in
t.column("id", .text).notNull().primaryKey(onConflict: .replace)
t.column("identityID", .text)
.notNull()
.indexed()
t.column("identityID", .text).notNull()
.references("identityRecord", column: "id", onDelete: .cascade)
t.column("username", .text).notNull()
t.column("displayName", .text).notNull()
@ -268,6 +265,6 @@ private extension IdentityDatabase {
}
}
try migrator.migrate(writer)
try migrator.migrate(databaseWriter)
}
}