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This commit is contained in:
Christoph Hagen
2024-11-20 23:46:54 +01:00
parent cb22ae34f2
commit a35c2d669e
21 changed files with 415 additions and 149 deletions
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31
CHDataManagement/Storage/Storage.swift
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@ -252,8 +252,28 @@ final class Storage {
print("Failed to encode content of \(type) '\(id)': \(error)")
return false
}
return write(data: content, type: type, id: id, to: file)
}
private func write(data: Data, type: String, id: String, to file: URL) -> Bool {
if fm.fileExists(atPath: file.path()) {
// Check if content is the same, to prevent unnecessary writes
do {
let oldData = try Data(contentsOf: file)
if data == oldData {
// File is the same, don't write
return true
}
} catch {
print("Failed to read file \(file.path()) for equality check: \(error)")
// No check possible, write file
}
} else {
print("Writing new file \(file.path())")
}
do {
try content.write(to: file, options: .atomic)
try data.write(to: file, options: .atomic)
print("Saved file \(file.path())")
return true
} catch {
print("Failed to save content for \(type) '\(id)': \(error)")
@ -272,13 +292,11 @@ final class Storage {
}
private func write(content: String, to file: URL, type: String, id: String) -> Bool {
do {
try content.write(to: file, atomically: true, encoding: .utf8)
return true
} catch {
print("Failed to save content for \(type) '\(id)': \(error)")
guard let data = content.data(using: .utf8) else {
print("Failed to convert string to data for \(type) '\(id)'")
return false
}
return write(data: data, type: type, id: id, to: file)
}
private func read<T>(at url: URL) throws -> T where T: Decodable {
@ -293,5 +311,4 @@ final class Storage {
items[id] = item
}
}
}