manager-service/ManagerService/Controllers/ApplicationInstanceController.cs

using System;
using System.Collections.Generic;
using System.Linq;
using Manager.Services;
using ManagerService.Data;
using ManagerService.DTOs;
using ManagerService.Helpers;
using ManagerService.Services;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Logging;
using NSwag.Annotations;

namespace ManagerService.Controllers
{
    [Authorize(Policy = ManagerService.Service.Security.Policies.ContentEditor)]
    [ApiController, Route("api/[controller]")]
    [OpenApiTag("ApplicationInstance", Description = "Application instance management")]
    public class ApplicationInstanceController : ControllerBase
    {
        private readonly MyInfoMateDbContext _myInfoMateDbContext;

        private InstanceDatabaseService _instanceService;
        private UserDatabaseService _userService;
        private readonly ILogger<ApplicationInstanceController> _logger;
        private readonly ProfileLogic _profileLogic;
        IHexIdGeneratorService idService = new HexIdGeneratorService();

        public ApplicationInstanceController(ILogger<ApplicationInstanceController> logger, InstanceDatabaseService instanceService, UserDatabaseService userService, ProfileLogic profileLogic, MyInfoMateDbContext myInfoMateDbContext)
        {
            _logger = logger;
            _instanceService = instanceService;
            _userService = userService;
            _profileLogic = profileLogic;
            _myInfoMateDbContext = myInfoMateDbContext;
        }

        /// <summary>
        /// Get a list of all applicationInstance (summary)
        /// </summary>
        /// <param name="id">instance id</param>  
        [AllowAnonymous]
        [ProducesResponseType(typeof(List<ApplicationInstanceDTO>), 200)]
        [ProducesResponseType(typeof(string), 500)]
        [HttpGet]
        public ObjectResult Get([FromQuery] string instanceId)
        {
            try
            {
                List<ApplicationInstance> applicationInstances = _myInfoMateDbContext.ApplicationInstances.Include(s => s.SectionEvent).Where(ai => ai.InstanceId == instanceId).ToList();
                var instance = _myInfoMateDbContext.Instances.FirstOrDefault(i => i.Id == instanceId);

                return new OkObjectResult(applicationInstances.Select(ai => {
                    var dto = ai.ToDTO(_myInfoMateDbContext);
                    dto.hasStats = instance?.HasStats ?? false;
                    return dto;
                }).OrderBy(c => c.appType));
            }
            catch (Exception ex)
            {
                return new ObjectResult(ex.Message) { StatusCode = 500 };
            }
        }

        /// <summary>
        /// Create a new application instance
        /// </summary>
        /// <param name="newApplicationInstanceDTO">New application instance info</param>  
        [ProducesResponseType(typeof(ApplicationInstanceDTO), 200)]
        [ProducesResponseType(typeof(string), 400)]
        [ProducesResponseType(typeof(string), 409)]
        [ProducesResponseType(typeof(string), 500)]
        [HttpPost]
        public ObjectResult Create([FromBody] ApplicationInstanceDTO newApplicationInstanceDTO)
        {
            try
            {
                if (newApplicationInstanceDTO == null)
                    throw new ArgumentNullException("Application instance param is null");

                // Tout le code (manager-app, AiController) résout une application par
                // `(InstanceId, AppType)` via un FirstOrDefault : un doublon rend le canal
                // ambigu — l'assistant s'affiche activé alors que l'API répond Forbid.
                bool alreadyExists = _myInfoMateDbContext.ApplicationInstances.Any(
                    ai => ai.InstanceId == newApplicationInstanceDTO.instanceId
                       && ai.AppType == newApplicationInstanceDTO.appType);

                if (alreadyExists)
                    throw new InvalidOperationException($"An application instance of type {newApplicationInstanceDTO.appType} already exists for this instance");

                ApplicationInstance applicationInstance = new ApplicationInstance().FromDTO(newApplicationInstanceDTO);
                applicationInstance.Id = idService.GenerateHexId();

                _myInfoMateDbContext.ApplicationInstances.Add(applicationInstance);

                _myInfoMateDbContext.SaveChanges();

                return new OkObjectResult(applicationInstance.ToDTO(_myInfoMateDbContext));
            }
            catch (ArgumentNullException ex)
            {
                return new BadRequestObjectResult(ex.Message) { };
            }
            catch (InvalidOperationException ex)
            {
                return new ConflictObjectResult(ex.Message) { };
            }
            catch (Exception ex)
            {
                return new ObjectResult(ex.Message) { StatusCode = 500 };
            }
        }

        /// <summary>
        /// Update an application instance
        /// </summary>
        /// <param name="updatedApplicationInstanceDTO">application instance to update</param>  
        [ProducesResponseType(typeof(ApplicationInstanceDTO), 200)]
        [ProducesResponseType(typeof(string), 400)]
        [ProducesResponseType(typeof(string), 404)]
        [ProducesResponseType(typeof(string), 500)]
        [HttpPut]
        public ObjectResult Update([FromBody] ApplicationInstanceDTO updatedApplicationInstanceDTO)
        {
            try
            {
                if (updatedApplicationInstanceDTO == null)
                    throw new ArgumentNullException("application instance param is null");

                ApplicationInstance applicationInstance = _myInfoMateDbContext.ApplicationInstances.Include(s => s.SectionEvent).FirstOrDefault(ai => ai.Id == updatedApplicationInstanceDTO.id); 

                if (applicationInstance == null)
                    throw new KeyNotFoundException("application instance does not exist");

                applicationInstance = applicationInstance.FromDTO(updatedApplicationInstanceDTO);
                _myInfoMateDbContext.SaveChanges();

                return new OkObjectResult(applicationInstance.ToDTO(_myInfoMateDbContext));
            }
            catch (ArgumentNullException ex)
            {
                return new BadRequestObjectResult(ex.Message) {};
            }
            catch (KeyNotFoundException ex)
            {
                return new NotFoundObjectResult(ex.Message) {};
            }
            catch (Exception ex)
            {
                return new ObjectResult(ex.Message) { StatusCode = 500 };
            }
        }

        /// <summary>
        /// Delete an application instance
        /// </summary>
        /// <param name="id">Id of application instance to delete</param>  
        [ProducesResponseType(typeof(string), 202)]
        [ProducesResponseType(typeof(string), 400)]
        [ProducesResponseType(typeof(string), 404)]
        [ProducesResponseType(typeof(string), 500)]
        [HttpDelete("{id}")]
        public ObjectResult Delete(string id)
        {
            try
            {
                if (id == null)
                    throw new ArgumentNullException("application instance param is null");

                ApplicationInstance applicationInstance = _myInfoMateDbContext.ApplicationInstances.FirstOrDefault(ai => ai.Id == id);

                if (applicationInstance == null)
                    throw new KeyNotFoundException("application instance does not exist");

                //_instanceService.Remove(id);
                _myInfoMateDbContext.ApplicationInstances.Remove(applicationInstance);

                _myInfoMateDbContext.SaveChanges();

                return new ObjectResult("The application instance has been deleted") { StatusCode = 202 };

            }
            catch (ArgumentNullException ex)
            {
                return new BadRequestObjectResult(ex.Message) { };
            }
            catch (KeyNotFoundException ex)
            {
                return new NotFoundObjectResult(ex.Message) { };
            }
            catch (Exception ex)
            {
                return new ObjectResult(ex.Message) { StatusCode = 500 };
            }
        }

        /// <summary>
        /// Get all application Link
        /// </summary>
        /// <param name="applicationInstanceId">application instance id</param>  
        [AllowAnonymous]
        [ProducesResponseType(typeof(List<AppConfigurationLinkDTO>), 200)]
        [ProducesResponseType(typeof(string), 500)]
        [HttpGet("{applicationInstanceId}/application-link")]
        public ObjectResult GetAllApplicationLinkFromApplicationInstance(string applicationInstanceId)
        {
            try
            {
                List<AppConfigurationLink> appConfigurationLinks = _myInfoMateDbContext.AppConfigurationLinks
                    .Include(acl => acl.Configuration)
                    .Include(acl => acl.Device)
                    .Where(acl => acl.ApplicationInstanceId == applicationInstanceId)
                    .ToList();
                return new OkObjectResult(appConfigurationLinks.Select(acl => acl.ToDTO()).OrderBy(acl => acl.order).ToList());
            }
            catch (Exception ex)
            {
                return new ObjectResult(ex.Message) { StatusCode = 500 };
            }
        }

        /// <summary>
        /// Create a new application Link to specified application instance
        /// </summary>
        /// <param name="applicationInstanceId">Application instance id</param>  
        /// <param name="appConfigurationLinkDTO">Info to link config and application instance</param>  
        [ProducesResponseType(typeof(AppConfigurationLinkDTO), 200)]
        [ProducesResponseType(typeof(string), 400)]
        [ProducesResponseType(typeof(string), 409)]
        [ProducesResponseType(typeof(string), 500)]
        [HttpPost("{applicationInstanceId}/application-link")]
        public ObjectResult AddConfigurationToApplicationInstance(string applicationInstanceId, [FromBody] AppConfigurationLinkDTO appConfigurationLinkDTO)
        {
            try
            {
                if (applicationInstanceId == null)
                    throw new ArgumentNullException("Application instance param is null");

                if (appConfigurationLinkDTO == null)
                    throw new ArgumentNullException("Configuration param is null");

                ApplicationInstance applicationInstance = _myInfoMateDbContext.ApplicationInstances.Include(ai => ai.Configurations).FirstOrDefault(ai => ai.Id == applicationInstanceId);

                if (applicationInstance == null)
                    throw new KeyNotFoundException("This application instance was not found");

                Configuration configuration = _myInfoMateDbContext.Configurations.FirstOrDefault(c => c.Id == appConfigurationLinkDTO.configurationId);

                if (configuration == null)
                    throw new KeyNotFoundException("This configuration was not found");

                // Check if already linked
                if (_myInfoMateDbContext.AppConfigurationLinks.Any(acl => acl.ConfigurationId == appConfigurationLinkDTO.configurationId && acl.ApplicationInstanceId == applicationInstanceId))
                    return new ConflictObjectResult("This configuration is already linked to this applicationInstance");

                // Todo add some verification ? 
                AppConfigurationLink appConfigurationLink = new AppConfigurationLink().FromDTO(appConfigurationLinkDTO);
                appConfigurationLink.Id = idService.GenerateHexId();
                appConfigurationLink.Order = _myInfoMateDbContext.AppConfigurationLinks.Count(acl => acl.ApplicationInstanceId == applicationInstanceId);

                _myInfoMateDbContext.AppConfigurationLinks.Add(appConfigurationLink);
                _myInfoMateDbContext.SaveChanges();

                return new OkObjectResult(appConfigurationLink.ToDTO());
            }
            catch (ArgumentNullException ex)
            {
                return new BadRequestObjectResult(ex.Message) { };
            }
            catch (InvalidOperationException ex)
            {
                return new ConflictObjectResult(ex.Message) { };
            }
            catch (Exception ex)
            {
                return new ObjectResult(ex.Message) { StatusCode = 500 };
            }
        }

        /// <summary>
        /// Update an app configuration link
        /// </summary>
        /// <param name="appConfigurationLinkDTO">App configuration link to update</param>  
        [ProducesResponseType(typeof(AppConfigurationLinkDTO), 200)]
        [ProducesResponseType(typeof(string), 400)]
        [ProducesResponseType(typeof(string), 404)]
        [ProducesResponseType(typeof(string), 500)]
        [HttpPut("application-link")]
        public ObjectResult UpdateApplicationLink([FromBody] AppConfigurationLinkDTO appConfigurationLinkDTO)
        {
            try
            {
                if (appConfigurationLinkDTO == null)
                    throw new ArgumentNullException("appConfigurationLink param is null");

                AppConfigurationLink appConfigurationLink = _myInfoMateDbContext.AppConfigurationLinks.Include(acl => acl.Configuration).Include(acl => acl.Device).FirstOrDefault(acl => acl.Id == appConfigurationLinkDTO.id);

                if (appConfigurationLink == null)
                    throw new KeyNotFoundException("appConfigurationLink does not exist");

                appConfigurationLink = appConfigurationLink.FromDTO(appConfigurationLinkDTO);
                _myInfoMateDbContext.SaveChanges();

                return new OkObjectResult(appConfigurationLink.ToDTO());
            }
            catch (ArgumentNullException ex)
            {
                return new BadRequestObjectResult(ex.Message) { };
            }
            catch (KeyNotFoundException ex)
            {
                return new NotFoundObjectResult(ex.Message) { };
            }
            catch (Exception ex)
            {
                return new ObjectResult(ex.Message) { StatusCode = 500 };
            }
        }

        /// <summary>
        /// Update app configuration links order
        /// </summary>
        /// <param name="appConfigurationLinkDTO">App configuration link to update</param>  
        [ProducesResponseType(typeof(List<AppConfigurationLinkDTO>), 200)]
        [ProducesResponseType(typeof(string), 400)]
        [ProducesResponseType(typeof(string), 404)]
        [ProducesResponseType(typeof(string), 500)]
        [HttpPut("application-link/order")]
        public ObjectResult UpdateApplicationLinkOrder([FromBody] List<AppConfigurationLinkDTO> appConfigurationLinkDTOs)
        {
            try
            {
                if (appConfigurationLinkDTOs == null)
                    throw new ArgumentNullException("appConfigurationLink param is null");

                List<AppConfigurationLink> appConfigurationLinks = _myInfoMateDbContext.AppConfigurationLinks.Include(acl => acl.Configuration).Include(acl => acl.Device).Where(acl => appConfigurationLinkDTOs.Select(acld => acld.id).Contains(acl.Id)).ToList();

                if (appConfigurationLinks.Count != appConfigurationLinkDTOs.Count)
                    throw new KeyNotFoundException("Length does not match");

                foreach (var appConfigurationLinkDTO in appConfigurationLinkDTOs) {
                    var appConf = appConfigurationLinks.FirstOrDefault(acl => acl.Id == appConfigurationLinkDTO.id);
                    appConf.Order = appConfigurationLinkDTO.order;
                }
                _myInfoMateDbContext.SaveChanges();

                return new OkObjectResult(appConfigurationLinks.Select(acl => acl.ToDTO()));
            }
            catch (ArgumentNullException ex)
            {
                return new BadRequestObjectResult(ex.Message) { };
            }
            catch (KeyNotFoundException ex)
            {
                return new NotFoundObjectResult(ex.Message) { };
            }
            catch (Exception ex)
            {
                return new ObjectResult(ex.Message) { StatusCode = 500 };
            }
        }

        /// <summary>
        /// Remove configuration from instance
        /// </summary>
        /// <param name="applicationInstanceId">Application instance id</param>  
        /// <param name="appConfigurationLinkId">AppConfiguration id</param>  
        [ProducesResponseType(typeof(string), 202)]
        [ProducesResponseType(typeof(string), 400)]
        [ProducesResponseType(typeof(string), 404)]
        [ProducesResponseType(typeof(string), 500)]
        [HttpDelete("{applicationInstanceId}/application-link/{appConfigurationLinkId}")]
        public ObjectResult DeleteAppConfigurationLink(string applicationInstanceId, string appConfigurationLinkId)
        {
            try
            {
                if (applicationInstanceId == null)
                    throw new ArgumentNullException("application instance param is null");

                if (appConfigurationLinkId == null)
                    throw new ArgumentNullException("Configuration param is null");

                ApplicationInstance applicationInstance = _myInfoMateDbContext.ApplicationInstances.FirstOrDefault(ai => ai.Id == applicationInstanceId);

                if (applicationInstance == null)
                    throw new KeyNotFoundException("application instance does not exist");

                AppConfigurationLink appConfigurationLink = _myInfoMateDbContext.AppConfigurationLinks.FirstOrDefault(acl => acl.Id == appConfigurationLinkId);

                if (appConfigurationLink == null)
                    throw new KeyNotFoundException("This app configuration link was not found");

                _myInfoMateDbContext.AppConfigurationLinks.Remove(appConfigurationLink);
                _myInfoMateDbContext.SaveChanges();

                return new ObjectResult("The app configuration link has been deleted") { StatusCode = 202 };
            }
            catch (ArgumentNullException ex)
            {
                return new BadRequestObjectResult(ex.Message) { };
            }
            catch (KeyNotFoundException ex)
            {
                return new NotFoundObjectResult(ex.Message) { };
            }
            catch (Exception ex)
            {
                return new ObjectResult(ex.Message) { StatusCode = 500 };
            }
        }
    }
}