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Code Issues 95 Packages Projects Releases 10 Wiki Activity

Use InferredMappingModel in case lightweight migration fails for some reason

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John Estropia
2018-08-09 02:09:54 +09:00
parent 7152962026
commit 30685d4355
1 changed files with 13 additions and 11 deletions
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24
Sources/DataStack+Migration.swift
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@@ -739,13 +739,13 @@ public extension DataStack {
fakeProgress = 1 fakeProgress = 1
} }
try storage.cs_finalizeStorageAndWait(soureModelHint: destinationModel) _ = try? storage.cs_finalizeStorageAndWait(soureModelHint: destinationModel)
progress.completedUnitCount = progress.totalUnitCount progress.completedUnitCount = progress.totalUnitCount
return return
} }
catch { catch {
throw CoreStoreError(error) // Lightweight migration failed somehow. Proceed using InferedMappingModel below
} }
} }
@@ -760,6 +760,11 @@ public extension DataStack {
attributes: nil attributes: nil
) )
let externalStorageFolderName = ".\(fileURL.deletingPathExtension().lastPathComponent)_SUPPORT"
let temporaryExternalStorageURL = temporaryDirectoryURL.appendingPathComponent(
externalStorageFolderName,
isDirectory: true
)
let temporaryFileURL = temporaryDirectoryURL.appendingPathComponent( let temporaryFileURL = temporaryDirectoryURL.appendingPathComponent(
fileURL.lastPathComponent, fileURL.lastPathComponent,
isDirectory: false isDirectory: false
@@ -796,25 +801,22 @@ public extension DataStack {
throw CoreStoreError(error) throw CoreStoreError(error)
} }
let externalStorageDirName = "." + fileURL.deletingPathExtension().lastPathComponent + "_SUPPORT"
let temporaryExternalStorageURL = temporaryDirectoryURL.appendingPathComponent(
externalStorageDirName,
isDirectory: true
)
do { do {
try fileManager.replaceItem( try fileManager.replaceItem(
at: fileURL as URL, at: fileURL,
withItemAt: temporaryFileURL, withItemAt: temporaryFileURL,
backupItemName: nil, backupItemName: nil,
options: [], options: [],
resultingItemURL: nil resultingItemURL: nil
) )
if fileManager.fileExists(atPath: temporaryExternalStorageURL.path) { if fileManager.fileExists(atPath: temporaryExternalStorageURL.path) {
let extenralStorageURL = fileURL.deletingLastPathComponent().appendingPathComponent(externalStorageDirName, isDirectory: true)
let externalStorageURL = fileURL
.deletingLastPathComponent()
.appendingPathComponent(externalStorageFolderName, isDirectory: true)
try fileManager.replaceItem( try fileManager.replaceItem(
at: extenralStorageURL as URL, at: externalStorageURL,
withItemAt: temporaryExternalStorageURL, withItemAt: temporaryExternalStorageURL,
backupItemName: nil, backupItemName: nil,
options: [], options: [],