iot/projects/Platform/Controllers/AjaxController.cs

using Cronos;
using Infrastructure.Data;
using Infrastructure.Extensions;
using Infrastructure.Web.Mvc;
using Application.Domain.Entities;
using IoT.Shared.Areas.IoTCenter.Controlls;
using Jint;
using Jint.Native;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Rendering;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Linq;

namespace Platform.Areas.IoTCenter.Controllers
{
    public class AjaxController : AjaxBaseController
    {
        public AjaxController(IServiceProvider services, ILogger<AjaxController> logger) : base(services, logger)
        {
        }

        public JsonResult GetArea(Guid? selected)
        {
            using var scope = this._services.CreateScope();
            var repo = scope.ServiceProvider.GetRequiredService<IRepository<Area>>();
            var list = repo.ReadOnlyTable()
                .Where(o => o.ParentId != null)
                .OrderBy(o => o.ParentId)
                .ThenBy(o => o.Order)
                .ToList()
                .ToTree()
                .Select(o => new Area { Id = o.Id, Name = o.GetDisplayName() })
                .ToList();
            return new JsonResult(new SelectList(list, "Id", "Name", selected));
        }

        public JsonResult GetOrgan(Guid? selected)
        {
            using var serviceScope = this._services.CreateScope();
            var repo = serviceScope.ServiceProvider.GetRequiredService<IRepository<Organ>>();
            var list = repo.ReadOnlyTable()
                .Where(o => o.ParentId != null)
                .OrderBy(o => o.ParentId)
                .ThenBy(o => o.Order)
                .ToList()
                .ToTree()
                .Select(o => new Organ { Id = o.Id, Name = o.GetDisplayName() })
                .ToList();
            return new JsonResult(new SelectList(list, "Id", "Name", selected));
        }

        public JsonResult GetBuilding(Guid parentId, Guid? selected)
        {
            using var serviceScope = this._services.CreateScope();
            var repo = serviceScope.ServiceProvider.GetRequiredService<IRepository<Building>>();
            var list = repo.ReadOnlyTable()
                .Where(o => o.ParentId != null)
                .Where(o => o.OrganId == parentId)
                .OrderBy(o => o.ParentId)
                .ThenBy(o => o.Order)
                .ToList()
                .ToTree().Select(o => new Building { Id = o.Id, Name = o.GetDisplayName() })
                .ToList();
            return new JsonResult(new SelectList(list, "Id", "Name", selected));
        }

        public JsonResult GetBuildingByScene(Guid parentId, Guid? selected)
        {
            using var serviceScope = this._services.CreateScope();
            var sceneRepo = serviceScope.ServiceProvider.GetRequiredService<IRepository<IoTScene>>();
            var building = sceneRepo.ReadOnlyTable()
                .Where(o => o.Id == parentId)
                .Select(o => o.Building)
                .FirstOrDefault();
            var repo = serviceScope.ServiceProvider.GetRequiredService<IRepository<Building>>();
            var list = repo.ReadOnlyTable()
                .Where(o => o.ParentId != null)
                .Where(o => o.Left >= building.Left && o.Right <= building.Right)
                .OrderBy(o => o.ParentId)
                .ThenBy(o => o.Order)
                .ToList()
                .ToTree().Select(o => new Building { Id = o.Id, Name = o.GetDisplayName() })
                .ToList();
            return new JsonResult(new SelectList(list, "Id", "Name", selected));
        }

        public JsonResult GetIoTCommand(Guid parentId, Guid? selected)
        {
            using var serviceScope = this._services.CreateScope();
            var repo = serviceScope.ServiceProvider.GetRequiredService<IRepository<IoTCommand>>();
            var list = repo.ReadOnlyTable()
                .Where(o => o.IoTDevice.IoTGateway.BuildingId == parentId)
                .OrderBy(o => o.ApiId)
                .ThenBy(o => o.Order)
                .Select(o => new { o.Id, Name = $"{o.IoTDevice.IoTGateway.Name}-{o.IoTDevice.DisplayName ?? o.IoTDevice.Name}-{o.Name ?? o.Api.Name}" })
                .ToList();
            return new JsonResult(new SelectList(list, "Id", "Name", selected));
        }

        public JsonResult GetIoTData(Guid parentId, Guid? selected = null)
        {
            using var serviceScope = this._services.CreateScope();
            var repo = serviceScope.ServiceProvider.GetRequiredService<IRepository<IoTData>>();
            var list = repo.ReadOnlyTable()
                .Where(o => !o.Hidden && o.IoTDeviceId == parentId)
                .Select(o => new { o.Id, Name = $"{o.Name}[{o.ValueType}]" })
                .ToList();
            return new JsonResult(new SelectList(list, "Id", "Name", selected));
        }

        public JsonResult GetOperator(Guid parentId, IoTOperationType? selected)
        {
            using var serviceScope = this._services.CreateScope();
            var repo = serviceScope.ServiceProvider.GetRequiredService<IRepository<IoTData>>();
            var data = repo.ReadOnlyTable().FirstOrDefault(o => o.Id == parentId);
            var list = new List<SelectListItem>();

            if (data.ValueType != IoTValueType.String)
            {
                list.Add(new SelectListItem { Value = IoTOperationType.GreaterThan.GetValue().ToString(), Text = "大于" });
                list.Add(new SelectListItem { Value = IoTOperationType.LessThan.GetValue().ToString(), Text = "小于" });
                list.Add(new SelectListItem { Value = IoTOperationType.Equal.GetValue().ToString(), Text = "等于" });
                list.Add(new SelectListItem { Value = IoTOperationType.NotEqual.GetValue().ToString(), Text = "不等于" });
            }
            else
            {
                list.Add(new SelectListItem { Value = IoTOperationType.Equal.GetValue().ToString(), Text = "等于" });
                list.Add(new SelectListItem { Value = IoTOperationType.NotEqual.GetValue().ToString(), Text = "不等于" });
            }
            return new JsonResult(new SelectList(list, "Value", "Text", selected));
        }

        public JsonResult GetUser(Guid? parentId, Guid? selected = null, string search = null, ControllerScopeType? range = null)
        {
            using var scope = this._services.CreateScope();
            var repo = scope.ServiceProvider.GetRequiredService<IRepository<User>>();

            var organId = scope.ServiceProvider.GetRequiredService<IHttpContextAccessor>().HttpContext.User.GetOrganId();
            var list = repo.ReadOnlyTable()
                .WhereIf(range.HasValue && range == ControllerScopeType.Organ && organId.HasValue, o => o.OrganUsers.Any(o => o.OrganId == organId.Value))
                .WhereIf(parentId.HasValue, o => o.OrganUsers.Any(o => o.OrganId == parentId.Value))
                .WhereIf(!string.IsNullOrEmpty(search), o => o.UserName.Contains(search)
                    || o.NickName.Contains(search)
                    || o.Email.Contains(search)
                    || o.PhoneNumber.Contains(search)
                    || o.RealName.Contains(search)
                    || o.IdentityNumber.Contains(search))
                .WhereIf(selected.HasValue, o => o.Id == selected.Value)
                .Select(o => new { o.Id, Name = $"{o.UserName} {o.RealName}" })
                .Take(20)
                .ToList();
            return new JsonResult(new SelectList(list, "Id", "Name", selected));
        }

        public JsonResult GetRole(Guid parentId, List<Guid> selected = null)
        {
            using var scope = this._services.CreateScope();
            var repo = scope.ServiceProvider.GetRequiredService<IRepository<Role>>();
            var list = repo.ReadOnlyTable()
                .Where(o => o.OrganId == parentId)
                .Select(o => new { o.Id, Name = $"{o.Name} {o.Number}" })
                .ToList();
            return new JsonResult(new MultiSelectList(list, "Id", "Name", selected));
        }

        public JsonResult GetPermission(List<Guid> selected, ControllerScopeType? scope = null)
        {
            using var serviceScope = this._services.CreateScope();
            var categoryRepo = serviceScope.ServiceProvider.GetRequiredService<IRepository<PermissionCategory>>();
            var categoryList = categoryRepo.ReadOnlyTable().Where(o => o.ParentId != null).ToList().ToTree();
            var repo = serviceScope.ServiceProvider.GetRequiredService<IRepository<Permission>>();
            var list = repo.ReadOnlyTable()
                .Include(o => o.Category)
                .WhereIf(scope.HasValue && scope.Value == ControllerScopeType.Organ, o => o.Type == PermissionType.Organ)
                .ToList()
                .Select(o => new
                {
                    o.Id,
                    o.Name,
                    Group = categoryList.FirstOrDefault(c => c.Id == o.CategoryId.Value)?.GetDisplayName()
                });
            return new JsonResult(new MultiSelectList(list, "Id", "Name", selected, "Group"));
        }

        [ApiExplorerSettings(IgnoreApi = true)]
        public JsonResult GetPermissionCategory(Guid? selected)
        {
            using var scope = this._services.CreateScope();
            var repo = scope.ServiceProvider.GetRequiredService<IRepository<PermissionCategory>>();
            var list = repo.ReadOnlyTable()
                            .Where(o => o.ParentId != null)
                            .OrderBy(o => o.ParentId)
                            .ThenBy(o => o.Order)
                            .ToList()
                            .ToTree().Select(o => new Building { Id = o.Id, Name = o.GetDisplayName() })
                            .ToList();
            return new JsonResult(new SelectList(list, "Id", "Name", selected));
        }

        public JsonResult GetIoTProductCategory(Guid? selected)
        {
            using var scope = this._services.CreateScope();
            var repo = scope.ServiceProvider.GetRequiredService<IRepository<IoTProductCategory>>();
            var list = repo.ReadOnlyTable()
                .Where(o => o.ParentId != null)
                .OrderBy(o => o.ParentId)
                .ThenBy(o => o.Order)
                .ToList()
                .ToTree()
                .Select(o => new IoTProductCategory { Id = o.Id, Name = o.GetDisplayName() })
                .ToList();
            return new JsonResult(new SelectList(list, "Id", "Name", selected));
        }

        public JsonResult GetIoTProductByCategory(Guid parentId, Guid? selected = null)
        {
            using var scope = this._services.CreateScope();
            var repo = scope.ServiceProvider.GetRequiredService<IRepository<IoTProduct>>();
            var list = repo.ReadOnlyTable()
                .Where(o => o.IoTProductCategoryId == parentId)
                .Select(o => new { o.Id, o.Name })
                .ToList();
            return new JsonResult(new SelectList(list, "Id", "Name", selected));
        }

        public JsonResult GetIoTGatewayByBuilding(Guid parentId, Guid? selected = null)
        {
            using var scope = this._services.CreateScope();
            var repo = scope.ServiceProvider.GetRequiredService<IRepository<IoTGateway>>();
            var list = repo.ReadOnlyTable()
                .Where(o => o.BuildingId == parentId)
                .Select(o => new { o.Id, Name = $"[{o.Number}]{o.Name}" })
                .ToList();
            return new JsonResult(new SelectList(list, "Id", "Name", selected));
        }

        public JsonResult GetIoTDeviceForCommand(Guid parentId, Guid? selected = null)
        {
            using var scope = this._services.CreateScope();
            var repo = scope.ServiceProvider.GetRequiredService<IRepository<IoTDevice>>();
            var list = repo.ReadOnlyTable()
                .Where(o => o.IoTGatewayId == parentId)
                .Where(o => o.IoTProduct.Name != "网关")
                .Where(o => o.IoTProduct.IoTApis.Any())
                .Select(o => new { o.Id, o.Name })
                .ToList();
            return new JsonResult(new SelectList(list, "Id", "Name", selected));
        }

        public JsonResult GetIoTScene(Guid parentId, Guid? selected = null)
        {
            using var scope = this._services.CreateScope();
            var repo = scope.ServiceProvider.GetRequiredService<IRepository<IoTScene>>();
            var list = repo.ReadOnlyTable()
                .Where(o => o.BuildingId == parentId)
                .Select(o => new { o.Id, o.Name })
                .ToList();
            return new JsonResult(new SelectList(list, "Id", "Name", selected));
        }

        public JsonResult GetIoTApiByDevice(Guid parentId, Guid? selected = null)
        {
            using var scope = this._services.CreateScope();
            var repo = scope.ServiceProvider.GetRequiredService<IRepository<IoTDevice>>();
            var list = repo.ReadOnlyTable()
                .Where(o => o.Id == parentId)
                .Select(o => o.IoTProduct)
                .SelectMany(o => o.IoTApis)
                .Select(o => new { o.Id, o.Name, Product = o.Product.Name })
                .ToList();
            if (list.Any())
            {
                var product = list.FirstOrDefault().Product;
                if (product == "串口控制器" || product == "红外转发器")
                {
                    list = list.Where(o => o.Name == "发送指令").ToList();
                }
            }
            return new JsonResult(new SelectList(list, "Id", "Name", selected));
        }

        public JsonResult CronValid(string cron)
        {
            try
            {
                CronExpression.Parse(cron, CronFormat.IncludeSeconds);
                return new JsonResult(true);
            }
            catch (Exception ex)
            {
                this._logger.LogError(ex.ToString());
                return new JsonResult(ex.Message);
            }
        }

        public JsonResult ConditionValid(Guid iotDataId, IoTOperationType type, string condition)
        {
            try
            {
                using var scope = this._services.CreateScope();
                var repo = scope.ServiceProvider.GetRequiredService<IRepository<IoTData>>();
                var data = repo.ReadOnlyTable().FirstOrDefault(o => o.Id == iotDataId);
                var value = data.Value;
                var expression = "";
                if (type != IoTOperationType.Other)
                {
                    if (data.ValueType == IoTValueType.String)
                    {
                        condition = $"\"{condition}\"";
                    }
                    expression = $"value {type.GetDisplayName()}{(type.GetDisplayName().EndsWith("=") ? "=" : "")} {condition}";
                }
                else
                {
                    expression = condition;
                }

                var engine = new Engine().Execute($"function valid(value){{return {expression};}}");
                var result = engine.Invoke("valid", value);
                if (result == JsValue.True || result == JsValue.False)
                {
                    return new JsonResult(true);
                }
                else
                {
                    return new JsonResult($"表达式运算结果无效：{result}");
                }
            }
            catch (Exception ex)
            {
                ex.PrintStack();
                return new JsonResult($"输入格式错误[{ex.Message}]");
            }
        }

        public SelectList GetCameraSelectList(string deviceNumber)
        {
            using var scope = this._services.CreateScope();
            var repo = scope.ServiceProvider.GetRequiredService<IRepository<IoTDevice>>();
            var list = repo.ReadOnlyTable()
                .Where(o => o.IoTProduct.Number == "onvifcamera")
                .WhereIf(!string.IsNullOrEmpty(deviceNumber), o => o.Number == deviceNumber)
                .Select(o => new { Id = o.Number, Name = o.DisplayName })
                .ToList();
            return new SelectList(list, "Id", "Name", deviceNumber);
        }
    }
}