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Code Issues 95 Packages Projects Releases 10 Wiki Activity

WIP

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John Estropia
2021-05-08 11:51:53 +09:00
parent 223707159c
commit 037fd98524
5 changed files with 364 additions and 41 deletions
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118
Sources/Internals.AppGroupsManager.swift
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@@ -35,17 +35,19 @@ extension Internals {
internal enum AppGroupsManager {
// MARK: Internal
internal typealias AppGroupID = String
internal typealias BundleID = String
internal typealias StoreID = UUID
internal typealias StorageID = UUID
@discardableResult
internal static func register(
appGroupIdentifier: String,
appGroupIdentifier: AppGroupID,
subdirectory: String?,
fileName: String
) throws -> StoreID {
) throws -> StorageID {
let bundleID = self.bundleID()
let indexMetadataURL = self.indexMetadataURL(
@@ -56,7 +58,7 @@ extension Internals {
initializer: IndexMetadata.init,
{ metadata in
return metadata.fetchOrCreateStoreID(
return metadata.fetchOrCreateStorageID(
bundleID: bundleID,
subdirectory: subdirectory,
fileName: fileName
@@ -64,10 +66,30 @@ extension Internals {
}
)
}
internal static func existingToken(
appGroupIdentifier: AppGroupID,
bundleID: BundleID,
storageID: StorageID
) throws -> NSPersistentHistoryToken? {
let storageMetadataURL = self.storageMetadataURL(
appGroupIdentifier: appGroupIdentifier,
bundleID: bundleID,
storageID: storageID
)
return try self.metadata(
forReadingAt: storageMetadataURL,
{ (metadata: StorageMetadata) in
return metadata.persistentHistoryToken
}
)
}
internal static func existingToken(
appGroupIdentifier: String,
subdirectory: String,
appGroupIdentifier: AppGroupID,
subdirectory: String?,
fileName: String
) throws -> NSPersistentHistoryToken? {
@@ -76,11 +98,11 @@ extension Internals {
appGroupIdentifier: appGroupIdentifier
)
guard
let storeID = try self.metadata(
let storageID = try self.metadata(
forReadingAt: indexMetadataURL,
{ (metadata: IndexMetadata) in
return metadata.fetchStoreID(
return metadata.fetchStorageID(
bundleID: bundleID,
subdirectory: subdirectory,
fileName: fileName
@@ -91,24 +113,39 @@ extension Internals {
return nil
}
return try self.existingToken(
appGroupIdentifier: appGroupIdentifier,
bundleID: bundleID,
storageID: storageID
)
}
internal static func setExistingToken(
_ newToken: NSPersistentHistoryToken,
appGroupIdentifier: AppGroupID,
bundleID: BundleID,
storageID: StorageID
) throws {
let storageMetadataURL = self.storageMetadataURL(
appGroupIdentifier: appGroupIdentifier,
bundleID: bundleID,
storeID: storeID
storageID: storageID
)
return try self.metadata(
forReadingAt: storageMetadataURL,
{ (metadata: StorageMetadata) in
return metadata.persistentHistoryToken
try self.metadata(
forWritingAt: storageMetadataURL,
initializer: StorageMetadata.init,
{ metadata in
metadata.persistentHistoryToken = newToken
}
)
}
internal static func setExistingToken(
_ newToken: NSPersistentHistoryToken,
appGroupIdentifier: String,
subdirectory: String,
appGroupIdentifier: AppGroupID,
subdirectory: String?,
fileName: String
) throws {
@@ -117,11 +154,11 @@ extension Internals {
appGroupIdentifier: appGroupIdentifier
)
guard
let storeID = try self.metadata(
let storageID = try self.metadata(
forReadingAt: indexMetadataURL,
{ (metadata: IndexMetadata) in
return metadata.fetchStoreID(
return metadata.fetchStorageID(
bundleID: bundleID,
subdirectory: subdirectory,
fileName: fileName
@@ -132,18 +169,11 @@ extension Internals {
return
}
let storageMetadataURL = self.storageMetadataURL(
try self.setExistingToken(
newToken,
appGroupIdentifier: appGroupIdentifier,
bundleID: bundleID,
storeID: storeID
)
try self.metadata(
forWritingAt: storageMetadataURL,
initializer: StorageMetadata.init,
{ metadata in
metadata.persistentHistoryToken = newToken
}
storageID: storageID
)
}
@@ -151,7 +181,7 @@ extension Internals {
// MARK: Private
private static func appGroupContainerURL(
appGroupIdentifier: String
appGroupIdentifier: AppGroupID
) -> URL {
guard let containerURL = FileManager.default.containerURL(forSecurityApplicationGroupIdentifier: appGroupIdentifier) else {
@@ -163,7 +193,7 @@ extension Internals {
}
private static func indexMetadataURL(
appGroupIdentifier: String
appGroupIdentifier: AppGroupID
) -> URL {
return self.appGroupContainerURL(appGroupIdentifier: appGroupIdentifier)
@@ -171,15 +201,15 @@ extension Internals {
}
private static func storageMetadataURL(
appGroupIdentifier: String,
appGroupIdentifier: AppGroupID,
bundleID: BundleID,
storeID: StoreID
storageID: StorageID
) -> URL {
return self
.appGroupContainerURL(appGroupIdentifier: appGroupIdentifier)
.appendingPathComponent(bundleID, isDirectory: true)
.appendingPathComponent(storeID.uuidString, isDirectory: false)
.appendingPathComponent(storageID.uuidString, isDirectory: false)
.appendingPathExtension("meta")
}
@@ -314,23 +344,29 @@ extension Internals {
// MARK: FilePrivate
fileprivate func fetchStoreID(
fileprivate func fetchStorageID(
bundleID: BundleID,
subdirectory: String?,
fileName: String
) -> StoreID? {
) -> StorageID? {
let fileTag = Self.createFileTag(subdirectory: subdirectory, fileName: fileName)
let fileTag = Self.createFileTag(
subdirectory: subdirectory,
fileName: fileName
)
return self.contents[bundleID, default: [:]][fileTag]
}
fileprivate mutating func fetchOrCreateStoreID(
fileprivate mutating func fetchOrCreateStorageID(
bundleID: BundleID,
subdirectory: String?,
fileName: String
) -> StoreID {
let fileTag = Self.createFileTag(subdirectory: subdirectory, fileName: fileName)
) -> StorageID {
let fileTag = Self.createFileTag(
subdirectory: subdirectory,
fileName: fileName
)
return self.contents[bundleID, default: [:]][fileTag, default: UUID()]
}