ersatztv/ErsatzTV/Controllers/Api/PlayoutController.cs

using System.ComponentModel.DataAnnotations;
using ErsatzTV.Application.Playouts;
using ErsatzTV.Controllers.Api.Requests;
using ErsatzTV.Core;
using ErsatzTV.Core.Api.Playouts;
using ErsatzTV.Core.Domain;
using ErsatzTV.Core.Domain.Filler;
using ErsatzTV.Extensions;
using MediatR;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;

namespace ErsatzTV.Controllers.Api;

[ApiController]
public class PlayoutController(IMediator mediator) : ControllerBase
{
    [HttpGet("/api/playouts", Name = "GetPlayouts")]
    [Tags("Playouts")]
    [EndpointSummary("List playouts")]
    [EndpointGroupName("general")]
    [ProducesResponseType(typeof(PagedPlayoutsResponseModel), StatusCodes.Status200OK)]
    public async Task<PagedPlayoutsResponseModel> GetAll(
        [FromQuery] string query = "",
        [FromQuery] int pageNum = 0,
        [FromQuery] int pageSize = 100,
        CancellationToken cancellationToken = default)
    {
        PagedPlayoutsViewModel result =
            await mediator.Send(new GetPagedPlayouts(query, pageNum, pageSize), cancellationToken);
        return new PagedPlayoutsResponseModel(
            result.TotalCount,
            result.Page.Map(ToListItemResponse).ToList());
    }

    [HttpGet("/api/playouts/warnings/count", Name = "GetPlayoutWarningsCount")]
    [Tags("Playouts")]
    [EndpointSummary("Count playouts with a failed build")]
    [EndpointGroupName("general")]
    [ProducesResponseType(typeof(int), StatusCodes.Status200OK)]
    public async Task<int> GetWarningsCount(CancellationToken cancellationToken) =>
        await mediator.Send(new GetPlayoutWarningsCount(), cancellationToken);

    [HttpGet("/api/playouts/{id:int}", Name = "GetPlayoutById")]
    [Tags("Playouts")]
    [EndpointSummary("Get a playout by id")]
    [EndpointGroupName("general")]
    [ProducesResponseType(typeof(PlayoutResponseModel), StatusCodes.Status200OK)]
    [ProducesResponseType(typeof(ProblemDetails), StatusCodes.Status404NotFound)]
    public async Task<IActionResult> GetById(int id, CancellationToken cancellationToken)
    {
        Option<PlayoutNameViewModel> result = await mediator.Send(new GetPlayoutById(id), cancellationToken);
        return result.Map(ToResponse).ToGetResult();
    }

    [HttpGet("/api/playouts/{id:int}/items", Name = "GetPlayoutItems")]
    [Tags("Playouts")]
    [EndpointSummary("Get upcoming items (and unscheduled gaps) for a playout")]
    [EndpointGroupName("general")]
    [ProducesResponseType(typeof(PagedPlayoutItemsResponseModel), StatusCodes.Status200OK)]
    [ProducesResponseType(typeof(ProblemDetails), StatusCodes.Status404NotFound)]
    public async Task<IActionResult> GetItems(
        int id,
        [FromQuery] bool showFiller = false,
        [FromQuery] int pageNum = 0,
        [FromQuery] int pageSize = 100,
        CancellationToken cancellationToken = default)
    {
        Option<PlayoutNameViewModel> maybePlayout = await mediator.Send(new GetPlayoutById(id), cancellationToken);
        if (maybePlayout.IsNone)
        {
            return ApiResults.NotFoundProblem();
        }

        PagedPlayoutItemsViewModel result = await mediator.Send(
            new GetFuturePlayoutItemsById(id, showFiller, pageNum, pageSize),
            cancellationToken);
        return new OkObjectResult(
            new PagedPlayoutItemsResponseModel(
                result.TotalCount,
                result.Page.Map(ToItemResponse).ToList()));
    }

    [HttpPost("/api/playouts")]
    [Tags("Playouts")]
    [EndpointSummary("Create a classic playout")]
    [EndpointGroupName("general")]
    [ProducesResponseType(typeof(PlayoutResponseModel), StatusCodes.Status201Created)]
    [ProducesResponseType(typeof(ProblemDetails), StatusCodes.Status404NotFound)]
    [ProducesResponseType(typeof(ProblemDetails), StatusCodes.Status422UnprocessableEntity)]
    public async Task<IActionResult> Create(
        [Required] [FromBody] CreatePlayoutRequest request,
        CancellationToken cancellationToken)
    {
        Either<BaseError, CreatePlayoutResponse> result = await mediator.Send(request.ToCommand(), cancellationToken);
        return await result.Match(
            Left: error => Task.FromResult(error.ToErrorResult()),
            Right: async created =>
            {
                Option<PlayoutNameViewModel> playout =
                    await mediator.Send(new GetPlayoutById(created.PlayoutId), cancellationToken);
                return playout.Match(
                    Some: vm => (IActionResult)new CreatedResult($"/api/playouts/{vm.PlayoutId}", ToResponse(vm)),
                    None: () => ApiResults.NotFoundProblem());
            });
    }

    [HttpPost("/api/playouts/reset-all", Name = "ResetAllPlayouts")]
    [Tags("Playouts")]
    [EndpointSummary("Reset all playouts")]
    [EndpointGroupName("general")]
    [ProducesResponseType(StatusCodes.Status202Accepted)]
    public async Task<IActionResult> ResetAll(CancellationToken cancellationToken)
    {
        await mediator.Send(new ResetAllPlayouts(), cancellationToken);
        return Accepted();
    }

    [HttpDelete("/api/playouts/{id:int}")]
    [Tags("Playouts")]
    [EndpointSummary("Delete a playout")]
    [EndpointGroupName("general")]
    [ProducesResponseType(StatusCodes.Status204NoContent)]
    [ProducesResponseType(typeof(ProblemDetails), StatusCodes.Status404NotFound)]
    [ProducesResponseType(typeof(ProblemDetails), StatusCodes.Status422UnprocessableEntity)]
    public async Task<IActionResult> Delete(int id, CancellationToken cancellationToken)
    {
        Either<BaseError, Unit> result = await mediator.Send(new DeletePlayout(id), cancellationToken);
        return result.ToDeletedResult();
    }

    private static PlayoutResponseModel ToResponse(PlayoutNameViewModel vm) =>
        PlayoutResponseModel.From(
            vm.PlayoutId,
            vm.ScheduleKind,
            vm.ChannelName,
            vm.ChannelNumber,
            vm.PlayoutMode,
            vm.ScheduleName,
            vm.ScheduleFile,
            vm.DbDailyRebuildTime,
            ToBuildStatus(vm.BuildStatus));

    private static PlayoutListItemResponseModel ToListItemResponse(PlayoutNameViewModel vm) =>
        new(
            vm.PlayoutId,
            vm.ChannelNumber,
            vm.ChannelName,
            vm.ScheduleKind,
            vm.ScheduleName,
            vm.DbDailyRebuildTime,
            ToBuildStatus(vm.BuildStatus));

    private static PlayoutBuildStatusResponseModel ToBuildStatus(PlayoutBuildStatus buildStatus) =>
        buildStatus is null
            ? null
            : new PlayoutBuildStatusResponseModel(
                buildStatus.LastBuild,
                buildStatus.Success,
                buildStatus.Message);

    private static PlayoutItemResponseModel ToItemResponse(PlayoutItemViewModel vm) =>
        new(
            vm.Title,
            vm.Start,
            vm.Finish,
            vm.Duration,
            vm.FillerKind.MatchUnsafe(fk => (FillerKind?)fk, () => null));
}