Implement patch endpoint for category trees

.env

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+IDENTITY_SERVER_URL=https://id.leanda.io/auth/realms/OSDR
+CORE_API_URL=http://localhost:28611/api
+BLOB_STORAGE_API_URL=http://localhost:18006/api
+IMAGING_URL=http://localhost:7972/api
+SIGNALR_URL=http://localhost:28611/signalr
+METADATA_URL=http://localhost:63790/api
+PROXY_JSMOL_URL=http://localhost:28611/api/proxy/jsmol
+KETCHER_URL=https://osdr.dev.dataledger.io/ketcher/indigo/layout
+OSDR_LOG_FOLDER=logs
+OSDR_TEMP_FILES_FOLDER=./temp
+REALM=OSDR
+OSDR_LOG_LEVEL=Debug

.gitattributes

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+###############################################################################
+# Set default behavior to automatically normalize line endings.
+###############################################################################
+* text=auto
+
+###############################################################################
+# Set default behavior for command prompt diff.
+#
+# This is need for earlier builds of msysgit that does not have it on by
+# default for csharp files.
+# Note: This is only used by command line
+###############################################################################
+#*.cs     diff=csharp
+
+###############################################################################
+# Set the merge driver for project and solution files
+#
+# Merging from the command prompt will add diff markers to the files if there
+# are conflicts (Merging from VS is not affected by the settings below, in VS
+# the diff markers are never inserted). Diff markers may cause the following 
+# file extensions to fail to load in VS. An alternative would be to treat
+# these files as binary and thus will always conflict and require user
+# intervention with every merge. To do so, just uncomment the entries below
+###############################################################################
+#*.sln       merge=binary
+#*.csproj    merge=binary
+#*.vbproj    merge=binary
+#*.vcxproj   merge=binary
+#*.vcproj    merge=binary
+#*.dbproj    merge=binary
+#*.fsproj    merge=binary
+#*.lsproj    merge=binary
+#*.wixproj   merge=binary
+#*.modelproj merge=binary
+#*.sqlproj   merge=binary
+#*.wwaproj   merge=binary
+
+###############################################################################
+# behavior for image files
+#
+# image files are treated as binary by default.
+###############################################################################
+#*.jpg   binary
+#*.png   binary
+#*.gif   binary
+
+###############################################################################
+# diff behavior for common document formats
+# 
+# Convert binary document formats to text before diffing them. This feature
+# is only available from the command line. Turn it on by uncommenting the 
+# entries below.
+###############################################################################
+#*.doc   diff=astextplain
+#*.DOC   diff=astextplain
+#*.docx  diff=astextplain
+#*.DOCX  diff=astextplain
+#*.dot   diff=astextplain
+#*.DOT   diff=astextplain
+#*.pdf   diff=astextplain
+#*.PDF   diff=astextplain
+#*.rtf   diff=astextplain
+#*.RTF   diff=astextplain

.gitignore

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+################################################################################
+# This .gitignore file was automatically created by Microsoft(R) Visual Studio.
+################################################################################
+
+OsdrWebDeploy/
+source/packages/
+
+# Build results
+[Dd]ebug/
+[Rr]elease/
+x64/
+[Bb]uild/
+!Source/Osdr.Mvc/OsdrWeb/Widgets/3rd/pdfjs/build
+!Source/Osdr.Ng2/src/client/assets/3rd/pdf-js/build
+!Source/Osdr.Mvc/3rd/
+[Bb]in/
+[Oo]bj/
+[Dd]ist/
+[Xx]unit/
+[Xx]unit-results.xml
+
+# User-specific files
+*.suo
+*.user
+*.sln.docstates
+.vs/
+.vscode/
+project.lock.json
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# Backup & report files from converting an old project file to a newer
+# Visual Studio version. Backup files are not needed, because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+App_Data/*.mdf
+App_Data/*.ldf
+
+# Node/Bower
+bower_components/
+node_modules/
+
+.DS_Store
+._.DS_Store
+._*
+
+#NuGet packages
+*.nupkg
+
+# Auto-generated JS, CSS files
+packages/
+
+!Source/Services/Imaging/Sds.Imaging.Processing/bin/gsdll32.dll
+!Source/Services/Imaging/Sds.Imaging.Processing/bin/gsdll64.dll
+!Source/Services/Imaging/Sds.Imaging.Processing/bin/Select.Html.dep
+!Source/Services/Imaging/Sds.Imaging.Rasterizers/bin/gsdll32.dll
+!Source/Services/Imaging/Sds.Imaging.Rasterizers/bin/gsdll64.dll
+!Source/Services/Imaging/Sds.Imaging.Rasterizers/bin/Select.Html.dep
+/Source/Osdr.Services/Logging/elasticsearch
+/Source/Services/Logging/elasticsearch
+/Source/Services/OsdrService/Sds.Osdr.Domain.BddTests/Resources/Aspirin.mol.svg

.travis.yml

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+language: minimal
+
+services:
+  - docker
+
+branches:
+  only:
+    - master
+
+os:
+  - linux
+
+env:
+  global:
+    - DATE=`TZ=America/New_York date "+%Y-%m-%d-%H%M"`
+    - DOCKER_CACHE_FILE=/home/travis/docker/docker-cache.tar
+    - LEANDA_PERSISTENCE_IMAGE="leanda/core-persistence"
+    - LEANDA_FRONTEND_IMAGE="leanda/core-frontend"
+    - LEANDA_BACKEND_IMAGE="leanda/core-backend"
+    - LEANDA_SAGAHOST_IMAGE="leanda/core-sagahost"
+    - LEANDA_WEBAPI_IMAGE="leanda/core-web-api"
+    - LEANDA_WEBAPI_INTEGRATION_TESTS_IMAGE="leanda/webapi-integration"
+
+cache:
+  directories:
+    - /home/travis/docker/
+
+jobs:
+  include:
+    - stage: Build
+      name: Build Leanda Back-End, Front-End, Sagahost, Persistence and Web API services
+      script: 
+        - docker build -t $LEANDA_PERSISTENCE_IMAGE:ci -f Sds.Osdr.Persistence/Dockerfile .
+        - docker build -t $LEANDA_FRONTEND_IMAGE:ci -f Sds.Osdr.Domain.FrontEnd/Dockerfile .
+        - docker build -t $LEANDA_BACKEND_IMAGE:ci -f Sds.Osdr.Domain.BackEnd/Dockerfile .
+        - docker build -t $LEANDA_SAGAHOST_IMAGE:ci -f Sds.Osdr.Domain.SagaHost/Dockerfile .
+        - docker build -t $LEANDA_WEBAPI_IMAGE:ci -f Sds.Osdr.WebApi/Dockerfile .
+        - if [ -d $DOCKER_CACHE_FILE ]; then rm $DOCKER_CACHE_FILE; fi
+        - docker save -o $DOCKER_CACHE_FILE $LEANDA_PERSISTENCE_IMAGE:ci $LEANDA_FRONTEND_IMAGE:ci $LEANDA_BACKEND_IMAGE:ci $LEANDA_SAGAHOST_IMAGE:ci $LEANDA_WEBAPI_IMAGE:ci
+    - stage: Integration tests
+      name: Run Web API integration tests
+      script:
+        - docker load -i $DOCKER_CACHE_FILE
+        - docker build -t $LEANDA_WEBAPI_INTEGRATION_TESTS_IMAGE:ci -f Sds.Osdr.WebApi.IntegrationTests/Dockerfile .
+        - docker images
+        - yes | cp -rf Sds.Osdr.WebApi.IntegrationTests/.env.travis-ci Sds.Osdr.WebApi.IntegrationTests/.env
+        - cd Sds.Osdr.WebApi.IntegrationTests && docker-compose up --abort-on-container-exit
+    - script:
+        - docker load -i $DOCKER_CACHE_FILE
+        - docker build -t leanda/integration:ci -f Sds.Osdr.IntegrationTests/Dockerfile .
+        - docker images
+        - yes | cp -rf Sds.Osdr.IntegrationTests/.env.travis-ci Sds.Osdr.IntegrationTests/.env
+        - cd Sds.Osdr.IntegrationTests && docker-compose up --abort-on-container-exit
+      name: Run processing integration tests
+    - stage: Deploy
+      name: Deploy new images to docker hub
+      script:
+        - docker load -i $DOCKER_CACHE_FILE
+        - docker tag $LEANDA_PERSISTENCE_IMAGE:ci $LEANDA_PERSISTENCE_IMAGE:latest
+        - docker tag $LEANDA_PERSISTENCE_IMAGE:ci $LEANDA_PERSISTENCE_IMAGE:$DATE
+        - docker tag $LEANDA_FRONTEND_IMAGE:ci $LEANDA_FRONTEND_IMAGE:latest
+        - docker tag $LEANDA_FRONTEND_IMAGE:ci $LEANDA_FRONTEND_IMAGE:$DATE
+        - docker tag $LEANDA_BACKEND_IMAGE:ci $LEANDA_BACKEND_IMAGE:latest
+        - docker tag $LEANDA_BACKEND_IMAGE:ci $LEANDA_BACKEND_IMAGE:$DATE
+        - docker tag $LEANDA_SAGAHOST_IMAGE:ci $LEANDA_SAGAHOST_IMAGE:latest
+        - docker tag $LEANDA_SAGAHOST_IMAGE:ci $LEANDA_SAGAHOST_IMAGE:$DATE
+        - docker tag $LEANDA_WEBAPI_IMAGE:ci $LEANDA_WEBAPI_IMAGE:latest
+        - docker tag $LEANDA_WEBAPI_IMAGE:ci $LEANDA_WEBAPI_IMAGE:$DATE
+        - docker images
+        - docker login -u="$DOCKER_USERNAME" -p="$DOCKER_PASSWORD"
+        - docker push $LEANDA_PERSISTENCE_IMAGE:latest
+        - docker push $LEANDA_PERSISTENCE_IMAGE:$DATE
+        - docker push $LEANDA_FRONTEND_IMAGE:latest
+        - docker push $LEANDA_FRONTEND_IMAGE:$DATE
+        - docker push $LEANDA_BACKEND_IMAGE:latest
+        - docker push $LEANDA_BACKEND_IMAGE:$DATE
+        - docker push $LEANDA_SAGAHOST_IMAGE:latest
+        - docker push $LEANDA_SAGAHOST_IMAGE:$DATE
+        - docker push $LEANDA_WEBAPI_IMAGE:latest
+        - docker push $LEANDA_WEBAPI_IMAGE:$DATE
+        - rm -f $DOCKER_CACHE_FILE

Leanda.Categories/BackEnd/CommandHandlers/CategoryTreeCommandHandler.cs

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+using CQRSlite.Domain;
+using CQRSlite.Domain.Exception;
+using Leanda.Categories.Domain;
+using Leanda.Categories.Domain.Commands;
+using Leanda.Categories.Domain.Events;
+using MassTransit;
+using Serilog;
+using System;
+using System.Threading.Tasks;
+
+namespace Leanda.Categories.BackEnd.CommandHandlers
+{
+    public class CategoryTreeCommandHandler : IConsumer<CreateCategoryTree>,
+                                              IConsumer<UpdateCategoryTree>,
+                                              IConsumer<DeleteCategoryTree>,
+                                              IConsumer<DeleteCategoryTreeNode>
+    {
+        private readonly ISession _session;
+
+        public CategoryTreeCommandHandler(ISession session)
+        {
+            _session = session ?? throw new ArgumentNullException(nameof(session));
+        }
+
+        public async Task Consume(ConsumeContext<CreateCategoryTree> context)
+        {
+            var tree = new CategoryTree(context.Message.Id, userId: context.Message.UserId, nodes: context.Message.Nodes);
+
+            await _session.Add(tree);
+
+            await _session.Commit();
+        }
+
+        public async Task Consume(ConsumeContext<UpdateCategoryTree> context)
+        {
+            var tree = await _session.Get<CategoryTree>(context.Message.Id);
+
+            tree.Update(context.Message.UserId, context.Message.ParentId, context.Message.Nodes);
+
+            await _session.Commit();
+        }
+
+        public async Task Consume(ConsumeContext<DeleteCategoryTree> context)
+        {
+            var tree = await _session.Get<CategoryTree>(context.Message.Id);
+
+            tree.Delete(context.Message.UserId);
+
+            await _session.Commit();
+        }
+
+        public async Task Consume(ConsumeContext<DeleteCategoryTreeNode> context)
+        {
+            var tree = await _session.Get<CategoryTree>(context.Message.Id);
+
+            tree.DeleteNode(context.Message.UserId, context.Message.NodeId);
+
+            await _session.Commit();
+        }
+    }
+}

Leanda.Categories/Domain/Aggregates/CategoryTree.cs

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+using CQRSlite.Domain;
+using Leanda.Categories.Domain.Events;
+using Leanda.Categories.Domain.ValueObjects;
+using System;
+using System.Collections.Generic;
+
+namespace Leanda.Categories.Domain
+{
+    public class CategoryTree : AggregateRoot
+    {
+        /// <summary>
+        /// User Id of the person who created the file
+        /// </summary>
+        public Guid CreatedBy { get; private set; }
+
+        /// <summary>
+        /// Date and time when file was created
+        /// </summary>
+        public DateTimeOffset CreatedDateTime { get; private set; }
+
+        /// <summary>
+        /// User Id of person who changed the file last time
+        /// </summary>
+        public Guid UpdatedBy { get; protected set; }
+
+        /// <summary>
+        /// Date and time when file was changed last time
+        /// </summary>
+        public DateTimeOffset UpdatedDateTime { get; protected set; }
+
+        public List<TreeNode> Nodes { get; protected set; }
+
+        private void Apply(CategoryTreeCreated e)
+        {
+            CreatedBy = e.UserId;
+            CreatedDateTime = e.TimeStamp;
+            UpdatedBy = e.UserId;
+            UpdatedDateTime = e.TimeStamp;
+            Nodes = e.Nodes;
+        }
+
+        private void Apply(CategoryTreeUpdated e)
+        {
+            UpdatedBy = e.UserId;
+            UpdatedDateTime = e.TimeStamp;
+
+            if (e.ParentId == null)
+            {
+                Nodes = e.Nodes;
+            }
+            else
+            {
+                Nodes.UpdateCategoryNodeById(e.Id, e.Nodes);
+            }
+        }
+
+        private void Apply(CategoryTreeNodeDeleted e)
+        {
+            UpdatedBy = e.UserId;
+            UpdatedDateTime = e.TimeStamp;
+            Nodes.DeleteCategoryNodeById(e.Id);
+        }
+
+        protected CategoryTree()
+        {
+        }
+
+        public CategoryTree(Guid id, Guid userId, List<TreeNode> nodes)
+        {
+            Id = id;
+            ApplyChange(new CategoryTreeCreated(Id, userId, nodes));
+        }
+
+        public void Update(Guid userId, Guid? parentId, List<TreeNode> nodes)
+        {
+            ApplyChange(new CategoryTreeUpdated(Id, userId, parentId, nodes));
+        }
+
+        public void DeleteNode(Guid userId, Guid nodeId)
+        {
+            ApplyChange(new CategoryTreeNodeDeleted(Id, userId, nodeId));
+        }
+
+        public void Delete(Guid userId)
+        {
+            ApplyChange(new CategoryTreeDeleted(Id, userId));
+        }
+    }
+}

Leanda.Categories/Domain/Commands/AddEntityCategories.cs

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+using MassTransit;
+using System;
+using System.Collections.Generic;
+
+namespace Leanda.Categories.Domain.Commands
+{
+    public interface AddEntityCategories : CorrelatedBy<Guid>
+    {
+        Guid Id { get; }
+        Guid EntityId { get; }
+        IEnumerable<Guid> CategoriesIds { get; }
+        Guid UserId { get; }
+    }
+}