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Remove Result class;

This commit is contained in:
ig 2023-03-09 16:32:11 +01:00
parent 9d753a8471
commit d885fa94c6
5 changed files with 86 additions and 125 deletions
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149
csharp/App/Backend/Database/Db.cs
View File

@ -10,16 +10,16 @@ namespace InnovEnergy.App.Backend.Database;
public partial class Db : IDisposable
{
internal const String DbPath = "./db.sqlite";
private readonly SQLiteConnection _Db; // internal handle to the connection, disposable
private TableQuery<Session> Sessions => _Db.Table<Session>();
[SuppressMessage("ReSharper", "AccessToDisposedClosure")]
static Db()
{
// on startup create/migrate tables
using var db = new SQLiteConnection(DbPath);
db.RunInTransaction(() =>
@ -31,105 +31,115 @@ public partial class Db : IDisposable
db.CreateTable<User2Installation>();
db.CreateTable<Session>();
});
}
// private, force access through Connect()
private Db() => _Db = new SQLiteConnection(DbPath);
public static Db Connect() => new Db();
public void Dispose() => _Db.Dispose();
// the C in CRUD
private Result Create(TreeNode treeNode)
private Int64 Create(TreeNode treeNode)
{
try
{
_Db.Insert(treeNode);
return SQLite3.LastInsertRowid(_Db.Handle);
}
catch (Exception e)
{
return Result.Error(e);
return -1;
}
}
private Boolean Create(Session session)
{
try
{
_Db.Insert(session);
return true;
}
catch (Exception e)
{
return false;
}
}
return Result.Ok;
}
// the U in CRUD
private Result Update(TreeNode treeNode)
private Boolean Update(TreeNode treeNode)
{
try
{
_Db.InsertOrReplace(treeNode);
return true;
}
catch (Exception e)
{
return Result.Error(e);
return false;
}
return Result.Ok;
}
// the D in CRUD
private Result Delete(TreeNode treeNode)
private Boolean Delete(TreeNode treeNode)
{
try
{
_Db.Delete(treeNode);
return true;
}
catch (Exception e)
{
return Result.Error(e);
return false;
}
return Result.Ok;
}
public IEnumerable<Installation> GetAllAccessibleInstallations(User user)
{
var direct = GetDirectlyAccessibleInstallations(user);
var direct = GetDirectlyAccessibleInstallations(user);
var fromFolders = GetAllAccessibleFolders(user)
.SelectMany(GetChildInstallations);
.SelectMany(GetChildInstallations);
return direct
.Concat(fromFolders)
.Distinct();
.Concat(fromFolders)
.Distinct();
}
public IEnumerable<Folder> GetAllAccessibleFolders(User user)
{
return GetDirectlyAccessibleFolders(user)
.SelectMany(GetDescendantFolders)
.Distinct();
.SelectMany(GetDescendantFolders)
.Distinct();
// Distinct because the user might have direct access
// to a child folder of a folder he has already access to
}
public IEnumerable<Installation> GetDirectlyAccessibleInstallations(User user)
{
return User2Installation
.Where(r => r.UserId == user.Id)
.Select(r => r.InstallationId)
.Select(GetInstallationById)
.NotNull()
.Do(i => i.ParentId = 0); // hide inaccessible parents from calling user
.Where(r => r.UserId == user.Id)
.Select(r => r.InstallationId)
.Select(GetInstallationById)
.NotNull()
.Do(i => i.ParentId = 0); // hide inaccessible parents from calling user
}
public IEnumerable<Folder> GetDirectlyAccessibleFolders(User user)
{
return User2Folder
.Where(r => r.UserId == user.Id)
.Select(r => r.FolderId)
.Select(GetFolderById)
.NotNull()
.Do(i => i.ParentId = 0); // hide inaccessible parents from calling user;
.Where(r => r.UserId == user.Id)
.Select(r => r.FolderId)
.Select(GetFolderById)
.NotNull()
.Do(i => i.ParentId = 0); // hide inaccessible parents from calling user;
}
public Result AddToAccessibleInstallations(Int64 userId, Int64 updatedInstallationId)
public Boolean AddToAccessibleInstallations(Int64 userId, Int64 updatedInstallationId)
{
var con = new User2Installation
{
@ -139,17 +149,16 @@ public partial class Db : IDisposable
try
{
_Db.InsertOrReplace(con);
_Db.Insert(con);
return true;
}
catch (Exception e)
{
return Result.Error(e);
return false;
}
return Result.Ok;
}
public Result AddToAccessibleFolders(Int64 userId, Int64 updatedFolderId)
public Boolean AddToAccessibleFolders(Int64 userId, Int64 updatedFolderId)
{
var con = new User2Folder
{
@ -159,16 +168,14 @@ public partial class Db : IDisposable
try
{
_Db.InsertOrReplace(con);
_Db.Insert(con);
return true;
}
catch (Exception e)
{
return Result.Error(e);
return false;
}
return Result.Ok;
}
public User? GetUserByToken(String token)
@ -182,39 +189,26 @@ public partial class Db : IDisposable
}
public Result NewSession(Session ses)
{
try
{
_Db.InsertOrReplace(ses);
}
catch (Exception e)
{
return Result.Error(e);
}
public Boolean NewSession(Session ses) => Create(ses);
return Result.Ok;
}
public Result DeleteSession(Int64 id)
public Boolean DeleteSession(Int64 id)
{
try
{
Sessions.Delete(u => u.UserId == id);
return true;
}
catch (Exception e)
{
return Result.Error(e);
return false;
}
return Result.Ok;
}
public Object? GetInstallationS3Key(Int64 installationId)
{
return Installations
.Where(installation => installation.Id == installationId)
.Select(installation => installation.S3Key);
.Where(installation => installation.Id == installationId)
.Select(installation => installation.S3Key);
}
public void DeleteS3KeysDaily()
@ -225,5 +219,4 @@ public partial class Db : IDisposable
Update(installation);
}
}
}
}

10
csharp/App/Backend/Database/Folder.cs
View File

@ -46,31 +46,31 @@ public partial class Db
return parent.Traverse(GetChildUsers);
}
public Result CreateFolder(Folder folder)
public Int64 CreateFolder(Folder folder)
{
return Create(folder);
}
public Result UpdateFolder(Folder folder)
public Boolean UpdateFolder(Folder folder)
{
// TODO: no circles in path
return Update(folder);
}
public Result ChangeParent(Installation child, Int64 parentId)
public Boolean ChangeParent(Installation child, Int64 parentId)
{
child.ParentId = parentId;
return UpdateInstallation(child);
}
public Result ChangeParent(Folder child, Int64 parentId)
public Boolean ChangeParent(Folder child, Int64 parentId)
{
child.ParentId = parentId;
return UpdateFolder(child);
}
public Result DeleteFolder(Folder folder)
public Boolean DeleteFolder(Folder folder)
{
// Delete direct children
User2Folder .Delete(f => f.FolderId == folder.Id);

6
csharp/App/Backend/Database/Installation.cs
View File

@ -14,18 +14,18 @@ public partial class Db
public Installation? GetInstallationById(Int64 id) => Installations
.FirstOrDefault(u => u.Id == id);
public Result CreateInstallation(Installation installation)
public Int64 CreateInstallation(Installation installation)
{
return Create(installation);
}
public Result UpdateInstallation(Installation installation)
public Boolean UpdateInstallation(Installation installation)
{
return Update(installation);
}
public Result DeleteInstallation(Installation installation)
public Boolean DeleteInstallation(Installation installation)
{
User2Installation.Delete(i => i.InstallationId == installation.Id);

17
csharp/App/Backend/Database/User.cs
View File

@ -1,16 +1,13 @@
using System.Diagnostics.CodeAnalysis;
using System.Net.Http.Headers;
using System.Net.Mail;
using System.Security.Cryptography;
using System.Text;
using System.Text.Json.Nodes;
using System.Text.RegularExpressions;
using Flurl.Http;
using InnovEnergy.App.Backend.Model;
using InnovEnergy.App.Backend.Utils;
using InnovEnergy.Lib.Utils;
using SQLite;
using ResponseExtensions = Flurl.Http.ResponseExtensions;
#pragma warning disable CS0472
#pragma warning disable CS8602
@ -53,10 +50,10 @@ public partial class Db
public User? GetUserByEmail(String email) => Users.FirstOrDefault(u => u.Email == email);
public Result CreateUser(User user)
public Int64 CreateUser(User user)
{
if (GetUserByEmail(user.Email) is not null)
return Result.Error("User with that email already exists");
return -1; // TODO: User with that email already exists
//Salting and Hashing password
var salt = Crypto.GenerateSalt();
@ -195,23 +192,23 @@ public partial class Db
return newKey;
}
public Result UpdateUser(User user)
public Boolean UpdateUser(User user)
{
var oldUser = GetUserById(user.Id);
if (oldUser == null)
return Result.Error("User doesn't exist");
return false; // TODO: "User doesn't exist"
//Checking for unchangeable things
// TODO: depends on privileges of caller
user.Id = oldUser.Id;
user.Id = oldUser.Id;
user.ParentId = oldUser.ParentId;
user.Email = oldUser.Email;
user.Email = oldUser.Email;
return Update(user);
}
public Result DeleteUser(User user)
public Boolean DeleteUser(User user)
{
User2Folder.Delete(u => u.UserId == user.Id);
User2Installation.Delete(u => u.UserId == user.Id);

29
csharp/App/Backend/Utils/Result.cs
View File

@ -1,29 +0,0 @@
namespace InnovEnergy.App.Backend.Utils;
public class Result
{
private const String OkMsg = "Ok";
private readonly String _Error;
public static Result Ok = new Result(OkMsg);
public Boolean IsError => _Error != OkMsg;
public Boolean IsSuccess => _Error == OkMsg;
private Result(String error) => _Error = error;
public static Result Error(String error) => new Result(error);
public static Result Error(Exception exception)
{
#if DEBUG
var msg = exception.ToString(); // includes stacktrace
#else
var msg = exception.Message; // excludes stacktrace
#endif
return new Result(msg);
}
}