PlotDirector/PlotLine/Controllers/TimelineController.cs

using Microsoft.AspNetCore.Mvc;
using PlotLine.Models;
using PlotLine.Services;
using PlotLine.ViewModels;

namespace PlotLine.Controllers;

public sealed class TimelineController(ITimelineService timeline) : Controller
{
    public async Task<IActionResult> Index([FromQuery] TimelineFilterViewModel filter)
    {
        if (filter.ProjectID == 0)
        {
            return BadRequest("ProjectID is required.");
        }

        var model = await timeline.GetAsync(filter);
        return model is null ? NotFound() : View(model);
    }

    [HttpPost]
    public async Task<IActionResult> SavePreset(TimelinePresetSaveViewModel model)
    {
        await timeline.SavePresetAsync(model);
        return RedirectToAction(nameof(Index), new { projectId = model.ProjectID, bookId = model.BookID });
    }

    public async Task<IActionResult> LoadPreset(int id)
    {
        var preset = await timeline.GetPresetAsync(id);
        if (preset is null)
        {
            return NotFound();
        }

        var filter = System.Text.Json.JsonSerializer.Deserialize<TimelineFilterViewModel>(preset.FilterJson) ?? new TimelineFilterViewModel();
        filter.ProjectID = preset.ProjectID;
        filter.BookID = preset.BookID;
        filter.FocusType = preset.FocusType;
        filter.FocusID = preset.FocusID;
        return RedirectToAction(nameof(Index), filter);
    }

    [HttpPost]
    public async Task<IActionResult> DeletePreset(int id, int projectId, int? bookId)
    {
        await timeline.ArchivePresetAsync(id);
        return RedirectToAction(nameof(Index), new { projectId, bookId });
    }
}