Events-MVC (example with htmx)
This commit is contained in:
Boris Milašinović
228
Events-MVC/Events.MVC/Controllers/SportsController.cs
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228
Events-MVC/Events.MVC/Controllers/SportsController.cs
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using System.Text.Json;
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#if POSTGRES
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using Events.EF.Data.Postgres;
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#else
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using Events.EF.Data.MSSQL;
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#endif
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using Events.EF.Models;
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using Events.MVC.Models;
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using Events.MVC.Models.Sports;
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using Events.MVC.Util.Extensions;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.Options;
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using Sieve.Models;
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using Sieve.Services;
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namespace Events.MVC.Controllers;
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public class SportsController : Controller
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{
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private readonly EventsContext ctx;
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private readonly ISieveProcessor sieveProcessor;
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private readonly PagingSettings pagingSettings;
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public SportsController(EventsContext ctx, ISieveProcessor sieveProcessor, IOptions<PagingSettings> pagingSettings)
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{
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this.ctx = ctx;
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this.sieveProcessor = sieveProcessor;
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this.pagingSettings = pagingSettings.Value;
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}
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public async Task<IActionResult> Index(SieveModel sieveModel)
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{
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var viewModel = await BuildSportsListAsync(sieveModel);
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if (Request.Headers.ContainsKey(Constants.HtmxHeaders.Request))
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{
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return PartialView("_SportsList", viewModel);
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}
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return View(viewModel);
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}
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[HttpGet]
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public async Task<IActionResult> Row(int id)
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{
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var sport = await ctx.Sports
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.AsNoTracking()
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.FirstOrDefaultAsync(s => s.Id == id);
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if (sport is null)
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{
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return NotFound();
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}
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return PartialView("_SportRow", new SportViewModel
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{
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Id = sport.Id,
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Name = sport.Name
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});
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}
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[HttpGet]
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public async Task<IActionResult> EditRow(int id)
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{
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var sport = await ctx.Sports
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.AsNoTracking()
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.FirstOrDefaultAsync(s => s.Id == id);
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if (sport is null)
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{
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return NotFound();
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}
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return PartialView("_SportEditRow", new SportViewModel
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{
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Id = sport.Id,
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Name = sport.Name
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});
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}
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[HttpPost]
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[ValidateAntiForgeryToken]
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public async Task<IActionResult> Create(SportViewModel model, SieveModel sieveModel)
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{
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if (!ModelState.IsValid)
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{
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Response.Headers[Constants.HtmxHeaders.Retarget] = "#create-sport-form";
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Response.Headers[Constants.HtmxHeaders.Reswap] = Constants.HtmxSwap.OuterHtml;
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return PartialView("_CreateSportForm", model);
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}
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var sport = new Sport
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{
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Name = model.Name
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};
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ctx.Sports.Add(sport);
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await ctx.SaveChangesAsync();
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Response.Headers[Constants.HtmxHeaders.Trigger] = JsonSerializer.Serialize(new Dictionary<string, object?>
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{
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[Constants.HtmxEvents.SportCreated] = true,
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[Constants.HtmxEvents.ShowToast] = new
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{
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variant = Constants.ToastVariants.Success,
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title = Constants.ToastTitles.Success,
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message = $"Sport '{model.Name}' was added successfully."
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}
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});
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var viewModel = await BuildSportsListAsync(sieveModel);
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return PartialView("_SportsList", viewModel);
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}
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[HttpPost]
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[ValidateAntiForgeryToken]
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public async Task<IActionResult> Edit(int id, SportViewModel model)
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{
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if (id != model.Id)
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{
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return BadRequest();
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}
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if (!ModelState.IsValid)
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{
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return PartialView("_SportEditRow", model);
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}
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var existingSport = await ctx.Sports.FirstOrDefaultAsync(s => s.Id == id);
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if (existingSport is null)
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{
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return NotFound();
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}
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existingSport.Name = model.Name;
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await ctx.SaveChangesAsync();
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return PartialView("_SportRow", new SportViewModel
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{
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Id = existingSport.Id,
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Name = existingSport.Name
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});
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}
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[HttpPost]
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[ValidateAntiForgeryToken]
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public async Task<IActionResult> Delete(int id, SieveModel sieveModel)
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{
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var sport = await ctx.Sports
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.Include(s => s.Registrations)
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.FirstOrDefaultAsync(s => s.Id == id);
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if (sport is null)
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{
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return NotFound();
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}
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if (sport.Registrations.Count > 0)
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{
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Response.StatusCode = StatusCodes.Status409Conflict;
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return Content("The sport cannot be deleted because registrations exist.");
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}
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ctx.Sports.Remove(sport);
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var deletedName = sport.Name;
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await ctx.SaveChangesAsync();
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Response.Headers[Constants.HtmxHeaders.Trigger] = JsonSerializer.Serialize(new Dictionary<string, object?>
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{
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[Constants.HtmxEvents.ShowToast] = new
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{
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variant = Constants.ToastVariants.Success,
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title = Constants.ToastTitles.Success,
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message = $"Sport '{deletedName}' was deleted successfully."
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}
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});
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var viewModel = await BuildSportsListAsync(sieveModel);
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return PartialView("_SportsList", viewModel);
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}
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private async Task<PagedList<SportViewModel>> BuildSportsListAsync(SieveModel sieveModel)
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{
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sieveModel.SetDefaultPagingAndSorting(pagingSettings.PageSize, "Name");
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var normalizedFilters = sieveModel.Filters?.Trim() ?? string.Empty;
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var nameFilter = SieveModelExtensions.ExtractFilterValue(normalizedFilters, "Name");
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var baseQuery = ctx.Sports
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.AsNoTracking()
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.Select(s => new SportViewModel
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{
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Id = s.Id,
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Name = s.Name
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});
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var totalCount = await baseQuery.CountAsync();
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var filteredCount = string.IsNullOrWhiteSpace(normalizedFilters)
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? totalCount
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: await sieveProcessor
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.Apply(
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sieveModel,
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baseQuery,
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applyFiltering: true,
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applySorting: false,
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applyPagination: false)
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.CountAsync();
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var pagingInfo = new PagingInfo
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{
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FilteredItemsCount = filteredCount,
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TotalItemsCount = totalCount,
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ItemsPerPage = sieveModel.PageSize!.Value,
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CurrentPage = sieveModel.Page!.Value,
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Sorts = sieveModel.Sorts ?? "Name",
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Filters = normalizedFilters,
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NameFilter = nameFilter
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};
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if (pagingInfo.CurrentPage > pagingInfo.TotalPages)
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{
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pagingInfo.CurrentPage = pagingInfo.TotalPages;
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sieveModel.Page = pagingInfo.CurrentPage;
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}
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var sports = await sieveProcessor
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.Apply(sieveModel, baseQuery)
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.ToListAsync();
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return new PagedList<SportViewModel>(sports, pagingInfo);
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}
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}
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