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CRUD implemented

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This commit is contained in:
Miskolczi Richárd
2025-09-22 15:35:31 +02:00
parent 9c006b0674
commit e2c588794e
11 changed files with 207 additions and 105 deletions
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10
Repository/IRepository.cs
View File

@@ -1,10 +1,14 @@
using System.Collections;
using Models;
namespace Repository;
public interface IRepository
{
IEnumerable ReadAll();
void WriteAll(IEnumerable items);
object Get(uint id);
List<PasswordStore> GetAll();
PasswordStore? Get(uint id);
void Edit(uint ID, PasswordStore newItem);
void Create(PasswordStore item);
void Delete(uint ID);
void Delete(PasswordStore item);
}

172
Repository/JsonRepository.cs Normal file
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@@ -0,0 +1,172 @@
using System.Text.Json;
using Models;
namespace Repository;
public class JsonRepository : IRepository, IDisposable
{
private const string _appName = "Keychain";
private uint _autoIncrementedId;
private readonly string _filePath;
private List<PasswordStore> _cache;
private bool _cacheAhead;
public JsonRepository(string fileName)
{
string? xdgDataHome = Environment.GetEnvironmentVariable("XDG_DATA_HOME");
string dataHome;
if (!string.IsNullOrEmpty(xdgDataHome))
{
dataHome = Path.Combine(xdgDataHome, _appName);
}
else
{
dataHome = Path.Combine(
Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), ".local", "share"),
_appName
);
}
_filePath = Path.Combine(dataHome, fileName);
ReadAllFromFile();
var lastItem = _cache.OrderBy(item => item.ID).LastOrDefault();
_autoIncrementedId = lastItem != null ? lastItem.ID : 0;
}
private void ReadAllFromFile()
{
var items = new List<PasswordStore>();
if (File.Exists(_filePath))
{
try
{
string json = File.ReadAllText(_filePath);
items = JsonSerializer.Deserialize<List<PasswordStore>>(json) ?? new List<PasswordStore>();
}
catch (JsonException e)
{
WriteToStdErr($"JSON error: {e.Message}");
}
catch (IOException e)
{
WriteToStdErr($"File I/O error: {e.Message}");
}
catch (Exception e)
{
WriteToStdErr($"Unexpected error: {e.Message}");
}
}
_cache = items;
_cacheAhead = false;
}
public List<PasswordStore> GetAll()
{
return _cache;
}
public PasswordStore? Get(uint id)
{
try
{
return _cache.First(item => item.ID.Equals(id));
}
catch (InvalidOperationException)
{
// Not found
return null;
}
catch (Exception e)
{
WriteToStdErr($"Unexpected error: {e.Message}");
return null;
}
}
public void Dispose()
{
if (_cacheAhead)
{
try
{
string json = JsonSerializer.Serialize(_cache);
string? directory = Path.GetDirectoryName(_filePath);
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory!);
}
File.WriteAllText(_filePath, json);
}
catch (IOException e)
{
WriteToStdErr($"File I/O error: {e.Message}");
}
catch (Exception e)
{
WriteToStdErr($"Unexpected error: {e.Message}");
}
ReadAllFromFile();
}
}
public void Edit(uint ID, PasswordStore newItem)
{
try
{
PasswordStore item = _cache.First(item => item.ID.Equals(ID));
item.DisplayName = newItem.DisplayName;
item.IconName = newItem.IconName;
item.Path = newItem.Path;
_cacheAhead = true;
}
catch (InvalidOperationException)
{
WriteToStdErr($"Edit error: Item with ID {ID} not found.");
}
catch (Exception e)
{
WriteToStdErr($"Unexpected error: {e.Message}");
}
}
public void Create(PasswordStore item)
{
item.ID = ++_autoIncrementedId;
_cache.Add(item);
_cacheAhead = true;
}
public void Delete(PasswordStore item)
{
Delete(item.ID);
}
public void Delete(uint id)
{
try
{
var item = _cache.First(item => item.ID.Equals(id));
_cache.Remove(item);
_cacheAhead = true;
}
catch (InvalidOperationException)
{
WriteToStdErr($"Delete error: Item with ID {id} not found.");
}
catch (Exception e)
{
WriteToStdErr($"Unexpected error: {e.Message}");
}
}
private void WriteToStdErr(string message)
{
using var sw = new StreamWriter(Console.OpenStandardError());
sw.WriteLine(message);
}
}

67
Repository/Repository.cs
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@@ -1,67 +0,0 @@
using System.Collections;
using System.Text.Json;
namespace Repository;
public class Repository : IRepository
{
private const string _appName = "Keychain";
private readonly string _filePath;
private List<object>? _cache;
private bool _cacheDirty = true;
public Repository(string fileName)
{
var xdgDataHome = Environment.GetEnvironmentVariable("XDG_DATA_HOME");
string dataHome;
if (!string.IsNullOrEmpty(xdgDataHome))
{
dataHome = Path.Combine(xdgDataHome, _appName);
}
else
{
dataHome = Path.Combine(
Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), ".local", "share"),
_appName
);
}
_filePath = Path.Combine(dataHome, fileName);
}
public IEnumerable ReadAll()
{
if (!_cacheDirty && _cache != null)
return _cache;
if (!File.Exists(_filePath))
{
_cache = new List<object>();
}
else
{
var json = File.ReadAllText(_filePath);
_cache = JsonSerializer.Deserialize<List<object>>(json) ?? new List<object>();
}
_cacheDirty = false;
return _cache;
}
public object Get(uint id)
{
}
public void WriteAll(IEnumerable items)
{
var json = JsonSerializer.Serialize(items);
var directory = Path.GetDirectoryName(_filePath);
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory!);
}
File.WriteAllText(_filePath, json);
_cache = (List<object>)items;
_cacheDirty = false;
}
}

4
Repository/Repository.csproj
View File

@@ -6,4 +6,8 @@
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="../Models/Models.csproj" />
</ItemGroup>
</Project>