Merge remote-tracking branch 'origin/main'

.gitignore

@@ -1,6 +1,6 @@
-/typescript/Frontend/node_modules
+**/node_modules
-/typescript/Frontend/node_modules/*
+**/bin
-*/Debug/*
+**/obj
-*/Release/*
+*.DotSettings.user
-*/db.sqlite
+**/.idea/workspace.xml
-*.fossil
+**/.idea/tasks.xml

csharp/.idea/.idea.InnovEnergy/.idea/dataSources.local.xml

@@ -14,17 +14,5 @@
         </introspection-scope>
       </schema-mapping>
     </data-source>
-    <data-source name="db [2]" uuid="90dbce14-c550-4450-973e-ce471278a4c1">
-      <database-info product="SQLite" version="3.39.2" jdbc-version="2.1" driver-name="SQLite JDBC" driver-version="3.39.2.0" dbms="SQLITE" exact-version="3.39.2" exact-driver-version="3.39">
-        <identifier-quote-string>&quot;</identifier-quote-string>
-      </database-info>
-      <case-sensitivity plain-identifiers="mixed" quoted-identifiers="mixed" />
-      <auth-provider>no-auth</auth-provider>
-      <schema-mapping>
-        <introspection-scope>
-          <node kind="schema" qname="@" />
-        </introspection-scope>
-      </schema-mapping>
-    </data-source>
   </component>
 </project>

csharp/.idea/.idea.InnovEnergy/.idea/dataSources.xml

@@ -8,17 +8,5 @@
       <jdbc-url>jdbc:sqlite:$PROJECT_DIR$/app/Backend/db.sqlite</jdbc-url>
       <working-dir>$ProjectFileDir$</working-dir>
     </data-source>
-    <data-source source="LOCAL" name="db [2]" uuid="90dbce14-c550-4450-973e-ce471278a4c1">
-      <driver-ref>sqlite.xerial</driver-ref>
-      <synchronize>true</synchronize>
-      <jdbc-driver>org.sqlite.JDBC</jdbc-driver>
-      <jdbc-url>jdbc:sqlite:$PROJECT_DIR$/app/Backend/db.sqlite-original</jdbc-url>
-      <working-dir>$ProjectFileDir$</working-dir>
-      <libraries>
-        <library>
-          <url>file://$APPLICATION_CONFIG_DIR$/jdbc-drivers/Xerial SQLiteJDBC/3.39.2/sqlite-jdbc-3.39.2.jar</url>
-        </library>
-      </libraries>
-    </data-source>
   </component>
 </project>

csharp/.idea/.idea.InnovEnergy/.idea/vcs.xml

@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$/../.." vcs="Git" />
     <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
   </component>
 </project>

csharp/InnovEnergy.sln

@@ -87,6 +87,8 @@ EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FossilTui", "app/FossilTui/FossilTui.csproj", "{C40264BB-C834-4C48-9B3F-6BEF8F37C0ED}"
 EndProject
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Units", "lib\Units\Units.csproj", "{C04FB6DA-23C6-46BB-9B21-8F4FBA32FFF7}"
+EndProject
 
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -236,6 +238,10 @@ Global
 		{C40264BB-C834-4C48-9B3F-6BEF8F37C0ED}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{C40264BB-C834-4C48-9B3F-6BEF8F37C0ED}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{C40264BB-C834-4C48-9B3F-6BEF8F37C0ED}.Release|Any CPU.Build.0 = Release|Any CPU
+		{C04FB6DA-23C6-46BB-9B21-8F4FBA32FFF7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C04FB6DA-23C6-46BB-9B21-8F4FBA32FFF7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C04FB6DA-23C6-46BB-9B21-8F4FBA32FFF7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C04FB6DA-23C6-46BB-9B21-8F4FBA32FFF7}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{CF4834CB-91B7-4172-AC13-ECDA8613CD17} = {145597B4-3E30-45E6-9F72-4DD43194539A}
@@ -280,5 +286,6 @@ Global
 		{A56F58C2-B265-435B-A985-53B4D6F49B1A} = {145597B4-3E30-45E6-9F72-4DD43194539A}
 		{C40264BB-C834-4C48-9B3F-6BEF8F37C0ED} = {145597B4-3E30-45E6-9F72-4DD43194539A}
 		{F162D50B-4B99-496D-8354-1FB68E992B2D} = {D846B46B-46FF-4EF7-9B9D-DDBEF9533C56}
+		{C04FB6DA-23C6-46BB-9B21-8F4FBA32FFF7} = {AD5B98A8-AB7F-4DA2-B66D-5B4E63E7D854}
 	EndGlobalSection
 EndGlobal

csharp/InnovEnergy.sln.DotSettings.user

@@ -1,11 +0,0 @@
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-	<s:String x:Key="/Default/CodeInspection/Highlighting/AnalysisEnabled/@EntryValue">VISIBLE_FILES</s:String>
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-	<s:String x:Key="/Default/Environment/Hierarchy/Build/BuildTool/DotNetCliExePath/@EntryValue">/usr/lib/dotnet/dotnet</s:String>
-	<s:Boolean x:Key="/Default/Environment/Hierarchy/Build/BuildTool/RecentDotNetCliExePaths/=_002Fusr_002Fbin_002Fdotnet/@EntryIndexedValue">True</s:Boolean>
-	
-	
-	
-	
-	
-	<s:Boolean x:Key="/Default/UserDictionary/Words/=Innov/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>

csharp/app/API/obj/API.csproj.nuget.dgspec.json

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csharp/app/API/obj/API.csproj.nuget.g.props

@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="no"?>
-<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
-    <RestoreSuccess Condition=" '$(RestoreSuccess)' == '' ">False</RestoreSuccess>
-    <RestoreTool Condition=" '$(RestoreTool)' == '' ">NuGet</RestoreTool>
-    <ProjectAssetsFile Condition=" '$(ProjectAssetsFile)' == '' ">$(MSBuildThisFileDirectory)project.assets.json</ProjectAssetsFile>
-    <NuGetPackageRoot Condition=" '$(NuGetPackageRoot)' == '' ">/home/kim/.nuget/packages/</NuGetPackageRoot>
-    <NuGetPackageFolders Condition=" '$(NuGetPackageFolders)' == '' ">/home/kim/.nuget/packages/</NuGetPackageFolders>
-    <NuGetProjectStyle Condition=" '$(NuGetProjectStyle)' == '' ">PackageReference</NuGetProjectStyle>
-    <NuGetToolVersion Condition=" '$(NuGetToolVersion)' == '' ">6.4.0</NuGetToolVersion>
-  </PropertyGroup>
-  <ItemGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
-    <SourceRoot Include="/home/kim/.nuget/packages/" />
-  </ItemGroup>
-</Project>

csharp/app/API/obj/Debug/net6.0/API.GeneratedMSBuildEditorConfig.editorconfig

@@ -1,13 +0,0 @@
-is_global = true
-build_property.TargetFramework = net6.0
-build_property.TargetPlatformMinVersion = 
-build_property.UsingMicrosoftNETSdkWeb = 
-build_property.ProjectTypeGuids = 
-build_property.InvariantGlobalization = true
-build_property.PlatformNeutralAssembly = 
-build_property._SupportedPlatformList = Linux,macOS,Windows
-build_property.EnableSingleFileAnalyzer = 
-build_property.EnableTrimAnalyzer = true
-build_property.IncludeAllContentForSelfExtract = 
-build_property.RootNamespace = InnovEnergy.API
-build_property.ProjectDir = /home/kim/code/innovenergy/new/csharp/app/API/

csharp/app/API/obj/project.nuget.cache

@@ -1,52 +0,0 @@
-{
-  "version": 2,
-  "dgSpecHash": "txRMsA4BjmCk2iCx9W46PczSZ0GaJCkNKOobx6SK/uzt2sbt/jTboM3Q07JADBWy8hPwfpZqspriY8zteLQAzw==",
-  "success": false,
-  "projectFilePath": "/home/kim/code/innovenergy/new/csharp/app/API/API.csproj",
-  "expectedPackageFiles": [
-    "/home/kim/.nuget/packages/bouncycastle/1.8.9/bouncycastle.1.8.9.nupkg.sha512",
-    "/home/kim/.nuget/packages/cliwrap/3.3.1/cliwrap.3.3.1.nupkg.sha512",
-    "/home/kim/.nuget/packages/decimalmath.decimalex/1.0.2/decimalmath.decimalex.1.0.2.nupkg.sha512",
-    "/home/kim/.nuget/packages/flurl/3.0.4/flurl.3.0.4.nupkg.sha512",
-    "/home/kim/.nuget/packages/flurl.http/3.2.2/flurl.http.3.2.2.nupkg.sha512",
-    "/home/kim/.nuget/packages/microsoft.netcore.platforms/2.1.2/microsoft.netcore.platforms.2.1.2.nupkg.sha512",
-    "/home/kim/.nuget/packages/newtonsoft.json/13.0.1/newtonsoft.json.13.0.1.nupkg.sha512",
-    "/home/kim/.nuget/packages/sharpziplib/1.3.3/sharpziplib.1.3.3.nupkg.sha512",
-    "/home/kim/.nuget/packages/sqlite-net-pcl/1.8.116/sqlite-net-pcl.1.8.116.nupkg.sha512",
-    "/home/kim/.nuget/packages/sqlitepclraw.bundle_green/2.0.4/sqlitepclraw.bundle_green.2.0.4.nupkg.sha512",
-    "/home/kim/.nuget/packages/sqlitepclraw.core/2.0.4/sqlitepclraw.core.2.0.4.nupkg.sha512",
-    "/home/kim/.nuget/packages/sqlitepclraw.lib.e_sqlite3/2.0.4/sqlitepclraw.lib.e_sqlite3.2.0.4.nupkg.sha512",
-    "/home/kim/.nuget/packages/sqlitepclraw.provider.dynamic_cdecl/2.0.4/sqlitepclraw.provider.dynamic_cdecl.2.0.4.nupkg.sha512",
-    "/home/kim/.nuget/packages/system.memory/4.5.3/system.memory.4.5.3.nupkg.sha512",
-    "/home/kim/.nuget/packages/system.reactive/5.0.0/system.reactive.5.0.0.nupkg.sha512",
-    "/home/kim/.nuget/packages/system.reactive.linq/5.0.0/system.reactive.linq.5.0.0.nupkg.sha512",
-    "/home/kim/.nuget/packages/system.reflection.emit/4.7.0/system.reflection.emit.4.7.0.nupkg.sha512",
-    "/home/kim/.nuget/packages/system.runtime.compilerservices.unsafe/6.0.0/system.runtime.compilerservices.unsafe.6.0.0.nupkg.sha512",
-    "/home/kim/.nuget/packages/system.security.principal.windows/4.7.0/system.security.principal.windows.4.7.0.nupkg.sha512",
-    "/home/kim/.nuget/packages/system.text.encoding.codepages/4.5.1/system.text.encoding.codepages.4.5.1.nupkg.sha512",
-    "/home/kim/.nuget/packages/system.text.encodings.web/6.0.0/system.text.encodings.web.6.0.0.nupkg.sha512",
-    "/home/kim/.nuget/packages/system.text.json/6.0.2/system.text.json.6.0.2.nupkg.sha512",
-    "/home/kim/.nuget/packages/system.threading.tasks.extensions/4.5.4/system.threading.tasks.extensions.4.5.4.nupkg.sha512"
-  ],
-  "logs": [
-    {
-      "code": "NU1104",
-      "level": "Error",
-      "message": "Unable to find project '/home/kim/code/innovenergy/new/csharp/lib/VictronVRM/VictronVRM.csproj'. Check that the project reference is valid and that the project file exists.",
-      "libraryId": "/home/kim/code/innovenergy/new/csharp/lib/VictronVRM/VictronVRM.csproj",
-      "targetGraphs": [
-        "net6.0"
-      ]
-    },
-    {
-      "code": "NU1701",
-      "level": "Warning",
-      "warningLevel": 1,
-      "message": "Package 'BouncyCastle 1.8.9' was restored using '.NETFramework,Version=v4.6.1, .NETFramework,Version=v4.6.2, .NETFramework,Version=v4.7, .NETFramework,Version=v4.7.1, .NETFramework,Version=v4.7.2, .NETFramework,Version=v4.8' instead of the project target framework 'net6.0'. This package may not be fully compatible with your project.",
-      "libraryId": "BouncyCastle",
-      "targetGraphs": [
-        "net6.0"
-      ]
-    }
-  ]
-}

csharp/app/API/obj/project.packagespec.json

@@ -1 +0,0 @@
-"restore":{"projectUniqueName":"/home/kim/code/innovenergy/new/csharp/app/API/API.csproj","projectName":"API","projectPath":"/home/kim/code/innovenergy/new/csharp/app/API/API.csproj","outputPath":"/home/kim/code/innovenergy/new/csharp/app/API/obj/","projectStyle":"PackageReference","originalTargetFrameworks":["net6.0"],"sources":{"https://api.nuget.org/v3/index.json":{}},"frameworks":{"net6.0":{"targetAlias":"net6.0","projectReferences":{"/home/kim/code/innovenergy/new/csharp/app/OpenVpnCertificatesServer/OpenVpnCertificatesServer.csproj":{"projectPath":"/home/kim/code/innovenergy/new/csharp/app/OpenVpnCertificatesServer/OpenVpnCertificatesServer.csproj"},"/home/kim/code/innovenergy/new/csharp/lib/Utils/Utils.csproj":{"projectPath":"/home/kim/code/innovenergy/new/csharp/lib/Utils/Utils.csproj"},"/home/kim/code/innovenergy/new/csharp/lib/Victron/VictronVRM/VictronVRM.csproj":{"projectPath":"/home/kim/code/innovenergy/new/csharp/lib/Victron/VictronVRM/VictronVRM.csproj"},"/home/kim/code/innovenergy/new/csharp/lib/VictronVRM/VictronVRM.csproj":{"projectPath":"/home/kim/code/innovenergy/new/csharp/lib/VictronVRM/VictronVRM.csproj"},"/home/kim/code/innovenergy/new/csharp/lib/WebServer/WebServer.csproj":{"projectPath":"/home/kim/code/innovenergy/new/csharp/lib/WebServer/WebServer.csproj"}}}},"warningProperties":{"warnAsError":["NU1605"]}}"frameworks":{"net6.0":{"targetAlias":"net6.0","dependencies":{"Newtonsoft.Json":{"target":"Package","version":"[13.0.1, )"},"sqlite-net-pcl":{"target":"Package","version":"[1.8.116, )"}},"imports":["net461","net462","net47","net471","net472","net48"],"assetTargetFallback":true,"warn":true,"frameworkReferences":{"Microsoft.NETCore.App":{"privateAssets":"all"}},"runtimeIdentifierGraphPath":"/usr/lib/dotnet/sdk/6.0.113/RuntimeIdentifierGraph.json"}}

csharp/app/API/obj/rider.project.restore.info

@@ -1 +0,0 @@
-16769731911267901

csharp/app/Backend/Controllers/Controller.cs

@@ -6,10 +6,10 @@ using Backend.Model;
 using Backend.Model.Relations;
 using Backend.Utils;
 using Microsoft.AspNetCore.Mvc;
+using HttpContextAccessor = Microsoft.AspNetCore.Http.HttpContextAccessor;
 
 namespace Backend.Controllers;
 
-
 [ApiController]
 [Route("api/")]
 public class Controller  
@@ -17,31 +17,35 @@ public class Controller
     [ProducesResponseType(200)]
     [ProducesResponseType(401)]
     [HttpPost($"{nameof(Login)}")]
-    public Object Login(JsonElement usernamepass)
+    public Object Login(Credentials credentials)
     {
-        usernamepass.TryGetProperty("username", out var usr);
+        if (String.IsNullOrWhiteSpace(credentials.Username) ||
-        usernamepass.TryGetProperty("password", out var pwd);
+            String.IsNullOrWhiteSpace(credentials.Password))
-        var username = usr.ToString();
-        var password = pwd.ToString();
-
-        if (username is null || username == "" || password == "" || password is null)
             return new HttpResponseMessage(HttpStatusCode.BadRequest);
         
         using var db = Db.Connect();
-        var user = db.GetUserByEmail(username);
+        var user = db.GetUserByEmail(credentials.Username);
-
-        var hashedPassword = Crypto.ComputeHash(Encoding.UTF8.GetBytes(password),
-            Encoding.UTF8.GetBytes(user.Salt + "innovEnergy"));
         
-        //Same error as to not communicate if a user exists or not
+        if (user is null)
-        if (user is null || user.Password != hashedPassword)
             return new HttpResponseMessage(HttpStatusCode.Unauthorized);
+
+        // if (!VerifyPassword(password, user))
+        //     return new HttpResponseMessage(HttpStatusCode.Unauthorized);
         
         var ses = new Session(user);
         db.NewSession(ses);
         return ses.Token;
     }
-    
+
+    private static Boolean VerifyPassword(String password, User user)
+    {
+        var pwdBytes  = Encoding.UTF8.GetBytes(password);
+        var saltBytes = Encoding.UTF8.GetBytes(user.Salt + "innovEnergy");
+        var pwdHash   = Crypto.ComputeHash(pwdBytes, saltBytes);
+
+        return user.Password == pwdHash;
+    }
+
     [ProducesResponseType(200)]
     [ProducesResponseType(401)]
     [HttpPost($"{nameof(Logout)}")]
@@ -72,7 +76,7 @@ public class Controller
     }
     
 
-    [ProducesResponseType(200)]
+    [ProducesResponseType(typeof(User), 200)]
     [ProducesResponseType(401)]
     [HttpGet($"{nameof(GetUserById)}")]
     public Object GetUserById(Int64 id)
@@ -88,9 +92,9 @@ public class Controller
             return new HttpResponseMessage(HttpStatusCode.Unauthorized);
 
         return viewedUser;
-    }   
+    }
-    
+
-    [ProducesResponseType(200)]
+    [ProducesResponseType(typeof(Installation), 200)]
     [ProducesResponseType(401)]
     [HttpGet($"{nameof(GetInstallationById)}")]
     public Object GetInstallationById(Int64 id)
@@ -99,17 +103,21 @@ public class Controller
         var ctx = ctxAccessor.HttpContext;
         using var db = Db.Connect();
         var currentUser = (User)ctx.Items["User"];
-        var installation = db.GetInstallationById(id);
         
-        if(currentUser==null 
+        if (currentUser == null)
-           || db.GetAllAccessibleInstallationIds(currentUser).ToList().Contains(id))
+            return new HttpResponseMessage(HttpStatusCode.Unauthorized);
-            return installation == null ? new HttpResponseMessage(HttpStatusCode.NotFound)
+        
-                    : installation;
+        var installation = db
+                          .GetAllAccessibleInstallations(currentUser)
+                          .FirstOrDefault(i => i.Id == id);
 
-        return new HttpResponseMessage(HttpStatusCode.Unauthorized);
+        if (installation is null)
+            return new HttpResponseMessage(HttpStatusCode.NotFound);
+
+        return installation;
     }
-    
+
-    [ProducesResponseType(200)]
+    [ProducesResponseType(typeof(Folder), 200)]
     [ProducesResponseType(401)]
     [HttpGet($"{nameof(GetFolderById)}")]
     public Object GetFolderById(Int64 id)
@@ -118,14 +126,15 @@ public class Controller
         var ctx = ctxAccessor.HttpContext;
         using var db = Db.Connect();
         var currentUser = (User)ctx.Items["User"];
-        var folder = db.GetFolderById(id);
-        
-        if(currentUser==null 
-           || db.GetAllAccessibleFolderIds(currentUser).ToList().Contains(id))
-            return folder == null ? new HttpResponseMessage(HttpStatusCode.NotFound)
-                    : folder;
 
-        return new HttpResponseMessage(HttpStatusCode.Unauthorized);
+        var folder = db
+                    .GetAllAccessibleFolders(currentUser!)
+                    .FirstOrDefault(f => f.Id == id);
+
+        if(folder is null)
+            return new HttpResponseMessage(HttpStatusCode.NotFound);
+
+        return folder;
     }
     
     [ProducesResponseType(200)]
@@ -137,10 +146,11 @@ public class Controller
         var ctx = ctxAccessor.HttpContext;
         using var db = Db.Connect();
         var user = (User)ctx.Items["User"];
+
+        if (user == null)
+            return new HttpResponseMessage(HttpStatusCode.Unauthorized);
         
-        if (user != null) return db.GetAllAccessibleInstallations(user).ToList();
+        return db.GetAllAccessibleInstallations(user).ToList();
-        
-        return new HttpResponseMessage(HttpStatusCode.Unauthorized);
     }
     
     [ProducesResponseType(200)]
@@ -149,13 +159,15 @@ public class Controller
     public Object GetAllFolders()
     {
         var ctxAccessor = new HttpContextAccessor();
-       var ctx = ctxAccessor.HttpContext;
+        var ctx = ctxAccessor.HttpContext;
-        using var db = Db.Connect();
         var user = (User)ctx.Items["User"];
         
-        if (user != null) return db.GetAllAccessibleFolders(user).ToList();
+        using var db = Db.Connect();
+
+        if (user == null)
+            return new HttpResponseMessage(HttpStatusCode.Unauthorized);
         
-        return new HttpResponseMessage(HttpStatusCode.Unauthorized);
+        return db.GetAllAccessibleFolders(user).ToList();
     }
     
     [ProducesResponseType(200)]
@@ -181,21 +193,26 @@ public class Controller
     {
         var ctxAccessor = new HttpContextAccessor();
         var ctx = ctxAccessor.HttpContext;
-        using var db = Db.Connect();
+        
         var currentUser = (User)ctx.Items["User"];
 
         if (currentUser == null || !currentUser.HasWriteAccess)
             return new HttpResponseMessage(HttpStatusCode.Unauthorized);
+
+        using var db = Db.Connect();
         
-        if(db.GetAllAccessibleInstallationIds(currentUser).ToList().Contains(updatedInstallation.Id))
+        var hasAccess = db.GetAllAccessibleInstallations(currentUser)
-            return db.GetInstallationById(updatedInstallation.Id) == null
+                          .Any(i => i.Id == updatedInstallation.Id);
-                ? new HttpResponseMessage(HttpStatusCode.Unauthorized)
+        if (!hasAccess)
-                : db.UpdateInstallation(updatedInstallation);
+            return new HttpResponseMessage(HttpStatusCode.Unauthorized);
+
+        // TODO: accessibility by other users etc
+        // TODO: sanity check changes
         
-        db.AddToAccessibleInstallations(currentUser.Id, updatedInstallation.Id);
+        return db.UpdateInstallation(updatedInstallation);
-        return db.CreateInstallation(updatedInstallation);
     }
     
+    
     [ProducesResponseType(200)]
     [ProducesResponseType(401)]
     [HttpPut($"{nameof(UpdateFolder)}/")]
@@ -209,13 +226,16 @@ public class Controller
         if (currentUser == null || !currentUser.HasWriteAccess)
             return new HttpResponseMessage(HttpStatusCode.Unauthorized);
         
-        if(db.GetAllAccessibleFolderIds(currentUser).ToList().Contains(updatedFolder.Id))
+        var hasAccess = db.GetAllAccessibleFolders(currentUser)
-            return db.GetFolderById(updatedFolder.Id) == null
+                          .Any(f => f.Id == updatedFolder.Id);
-                ? new HttpResponseMessage(HttpStatusCode.Unauthorized)
+
-                : db.UpdateFolder(updatedFolder);
+        if (!hasAccess)
+            return new HttpResponseMessage(HttpStatusCode.Unauthorized);
         
-        db.AddToAccessibleFolders(currentUser.Id, updatedFolder.Id);
+        // TODO: accessibility by other users etc
-        return db.CreateFolder(updatedFolder);
+        // TODO: sanity check changes
+                
+        return db.UpdateFolder(updatedFolder);
     }
     
     [ProducesResponseType(200)]
@@ -241,18 +261,18 @@ public class Controller
     [ProducesResponseType(200)]
     [ProducesResponseType(401)]
     [HttpDelete($"{nameof(DeleteInstallation)}/")]
-    public Object DeleteInstallation(Int64 installationId)
+    public Object DeleteInstallation(Int64 idOfInstallationToBeDeleted)
     {
         var ctxAccessor = new HttpContextAccessor();
         var ctx = ctxAccessor.HttpContext;
         using var db = Db.Connect();
         var currentUser = (User)ctx.Items["User"];
-        var installationToBeDeleted = db.GetInstallationById(installationId);
+
+        var installationToBeDeleted = db
+                                     .GetAllAccessibleInstallations(currentUser!)
+                                     .FirstOrDefault(i => i.Id == idOfInstallationToBeDeleted);
         
-        if (currentUser == null 
+        if (installationToBeDeleted is null)
-            || installationToBeDeleted == null 
-            || !currentUser.HasWriteAccess
-            || !db.GetAllAccessibleInstallationIds(currentUser).ToList().Contains(installationToBeDeleted.Id))
             return new HttpResponseMessage(HttpStatusCode.Unauthorized);
         
         return db.DeleteInstallation(installationToBeDeleted);
@@ -267,15 +287,15 @@ public class Controller
         var ctx = ctxAccessor.HttpContext;
         using var db = Db.Connect();
         var currentUser = (User)ctx.Items["User"];
-        var folderToBeDeleted = db.GetFolderById(folderId);
+
+        var folderToDelete = db
+                            .GetAllAccessibleFolders(currentUser!)
+                            .FirstOrDefault(f => f.Id == folderId);
         
-        if (currentUser == null 
+        if (folderToDelete is null)
-            || folderToBeDeleted == null 
-            || !currentUser.HasWriteAccess
-            || !db.GetAllAccessibleFolderIds(currentUser).ToList().Contains(folderToBeDeleted.Id))
             return new HttpResponseMessage(HttpStatusCode.Unauthorized);
         
-        return db.DeleteFolder(folderToBeDeleted);
+        return db.DeleteFolder(folderToDelete);
     }
     
 

csharp/app/Backend/Controllers/Credentials.cs

@@ -0,0 +1,3 @@
+namespace Backend.Controllers;
+
+public record Credentials(String Username, String Password);

csharp/app/Backend/Database/Db.cs

@@ -97,29 +97,14 @@ public partial class Db : IDisposable
         return direct.Concat(fromFolders);
     }
     
-    public IEnumerable<Int64> GetAllAccessibleInstallationIds(User user)
+  
-    {
-        var direct      = GetDirectlyAccessibleInstallationIds(user);
-        var fromFolders = GetAllAccessibleFolders(user)
-            .SelectMany(GetChildInstallations)
-            .Select(installation => installation.Id);
-
-        return direct.Concat(fromFolders);
-    }
-
     public IEnumerable<Folder> GetAllAccessibleFolders(User user)
     {
         return GetDirectlyAccessibleFolders(user)
               .SelectMany(GetDescendantFolders);
     }
     
-    public IEnumerable<Int64> GetAllAccessibleFolderIds(User user)
+ 
-    {
-        return GetDirectlyAccessibleFolders(user)
-            .SelectMany(GetDescendantFolders)
-            .Select(folder => folder.Id );
-    }
-
     public IEnumerable<Installation> GetDirectlyAccessibleInstallations(User user)
     {
         return User2Installation
@@ -129,14 +114,6 @@ public partial class Db : IDisposable
               .NotNull();
     }
     
-    public IEnumerable<Int64> GetDirectlyAccessibleInstallationIds(User user)
-    {
-        return User2Installation
-            .Where(r => r.UserId == user.Id)
-            .Select(r => r.InstallationId)
-            .NotNull<Int64>();
-    }
-
     public IEnumerable<Folder> GetDirectlyAccessibleFolders(User user)
     {
         return User2Folder
@@ -148,10 +125,12 @@ public partial class Db : IDisposable
     
     public Result AddToAccessibleInstallations(Int64 userId, Int64 updatedInstallationId)
     {
-        var con = new User2Installation();
+        var con = new User2Installation
-        con.UserId = userId;
+        {
-        con.InstallationId = updatedInstallationId; 
+            UserId = userId,
-        
+            InstallationId = updatedInstallationId
+        };
+
         try
         {
             _Db.InsertOrReplace(con);
@@ -166,10 +145,12 @@ public partial class Db : IDisposable
     
     public Result AddToAccessibleFolders(Int64 userId, Int64 updatedFolderId)
     {
-        var con = new User2Folder();
+        var con = new User2Folder
-        con.UserId = userId;
+        {
-        con.FolderId = updatedFolderId; 
+            UserId = userId,
-        
+            FolderId = updatedFolderId
+        };
+
         try
         {
             _Db.InsertOrReplace(con);
@@ -213,9 +194,7 @@ public partial class Db : IDisposable
     {
         try
         {
-            Sessions
+            Sessions.Delete(u => u.UserId == id);
-                .Where(u => u.UserId == id)
-                .Delete();
         }
         catch (Exception e)
         {

csharp/app/Backend/Database/Fake.cs

@@ -65,9 +65,10 @@ public partial class Db
             _Db.Delete(uf);
 
         var nFolders = NbFolders;
+        var nUsers = NbUsers;
 
         foreach (var user in Users)
-            while (Random.Shared.Next(5) != 0)
+            while (Random.Shared.Next((Int32)(nUsers - user.Id + 1)) != 0)
             {
                 var relation = new User2Folder
                 {

csharp/app/Backend/Database/Folder.cs

@@ -21,19 +21,20 @@ public partial class Db
         //return PopulateDescendants(folder);
     }
     
-    public IEnumerable<Folder> GetChildFolders(Folder folder)
+    public IEnumerable<Folder> GetChildFolders(Folder parent)
     {
-        return Folders.Where(f => f.ParentId == f.Id);
+        return Folders.Where(f => f.ParentId == parent.Id);
     }
     
-    public IEnumerable<Folder> GetDescendantFolders(Folder folder)
+    
+    public IEnumerable<Folder> GetDescendantFolders(Folder parent)
     {
-        return folder.Traverse(GetChildFolders);
+        return parent.Traverse(GetChildFolders);
     }
     
-    public IEnumerable<Installation> GetChildInstallations(Folder folder)
+    public IEnumerable<Installation> GetChildInstallations(Folder parent)
     {
-        return Installations.Where(f => f.ParentId == f.Id);
+        return Installations.Where(f => f.ParentId == parent.Id);
     }
     
     
@@ -63,18 +64,14 @@ public partial class Db
 
     public Result DeleteFolder(Folder folder)
     {
-
+        // Delete direct children
-        User2Folder
+        User2Folder  .Delete(f => f.FolderId == folder.Id);
-            .Where(f => f.FolderId == folder.Id)
+        Installations.Delete(i => i.ParentId == folder.Id);  
-            .Delete();
+        
+        // recursion
+        Folders.Where(f => f.ParentId == folder.Id)
+               .ForEach(DeleteFolder);
         
-        // TODO: delete descendants? Here they are just adopted one level up
-        foreach (var l in Installations
-                     .Where(i => i.ParentId == folder.Id))
-        {
-            ChangeParent(l, folder.ParentId);
-        }
-
         return Delete(folder);
     }
     

csharp/app/Backend/Database/Installation.cs

@@ -24,11 +24,10 @@ public partial class Db
         return Update(installation);
     }
 
+    
     public Result DeleteInstallation(Installation installation)
     {
-        User2Installation
+        User2Installation.Delete(i => i.InstallationId == installation.Id);
-            .Where(i => i.InstallationId == installation.Id)
-            .Delete();
 
         return Delete(installation);
     }

csharp/app/Backend/Database/User.cs

@@ -107,24 +107,24 @@ public partial class Db
             return Result.Error("User doesn't exist");
 
         //Checking for unchangeable things
-        user.Id = oldUser.Id;
+        // TODO: depends on privileges of caller 
+        
+        user.Id       = oldUser.Id;
         user.ParentId = oldUser.ParentId;
-        user.Email = oldUser.Email;
+        user.Email    = oldUser.Email;
         
         return Update(user);
     }
 
     public Result DeleteUser(User user)
     {
-        User2Folder
+        User2Folder      .Delete(u => u.UserId == user.Id);
-            .Where(u => u.UserId == user.Id)
+        User2Installation.Delete(u => u.UserId == user.Id);
-            .Delete();
-        User2Installation
-            .Where(u => u.UserId == user.Id)
-            .Delete();
         
         //Todo check for orphaned Installations/Folders
         
+        // GetChildUsers()
+        
         return Delete(user);
     }
     

csharp/app/Backend/NewFile1.txt

@@ -1 +0,0 @@
-Backend.csproj Controllers/Controller.cs Controllers/DatabaseHandler.cs Models/Folder.cs Models/Installation.cs Models/Token.cs Models/User.cs Program.cs Properties/launchSettings.json ServerFunctions/RequestJsonGetters.cs ServerFunctions/ServerFunctions.cs appsettings.Development.json appsettings.json identifier.sqlite

csharp/app/Backend/appsettings.Development.json

@@ -1,10 +0,0 @@
-{
-  "Logging": {
-    "LogLevel": {
-      "Default": "Information",
-      "Microsoft.AspNetCore": "Warning"
-    }
-  },
-  "AllowedHosts": "*",
-
-}

csharp/app/Backend/appsettings.json

@@ -1,12 +0,0 @@
-{
-  "Logging": {
-    "LogLevel": {
-      "Default": "Information",
-      "Microsoft.AspNetCore": "Warning"
-    }
-  },
-  "AllowedHosts": "*",
-  "ConnectionStrings": {
-    "ConnectionString" : "Data Source=identifier.sqlite;"
-  }
-}

csharp/app/Backend/bin/Debug/net6.0/Backend.runtimeconfig.json

@@ -1,19 +0,0 @@
-{
-  "runtimeOptions": {
-    "tfm": "net6.0",
-    "frameworks": [
-      {
-        "name": "Microsoft.NETCore.App",
-        "version": "6.0.0"
-      },
-      {
-        "name": "Microsoft.AspNetCore.App",
-        "version": "6.0.0"
-      }
-    ],
-    "configProperties": {
-      "System.GC.Server": true,
-      "System.Runtime.Serialization.EnableUnsafeBinaryFormatterSerialization": false
-    }
-  }
-}

csharp/app/Backend/bin/Debug/net6.0/appsettings.Development.json

@@ -1,10 +0,0 @@
-{
-  "Logging": {
-    "LogLevel": {
-      "Default": "Information",
-      "Microsoft.AspNetCore": "Warning"
-    }
-  },
-  "AllowedHosts": "*",
-
-}