Laravel Livewire FullCalendar

calendar.blade.php

<div>
    @push('styles')
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/main.min.css" integrity="sha256-uq9PNlMzB+1h01Ij9cx7zeE2OR2pLAfRw3uUUOOPKdA=" crossorigin="anonymous">
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/flatpickr/dist/flatpickr.min.css">
    <style>
        :root {
            --fc-event-bg-color: var(--bs-primary) !important;
            --fc-event-border-color: var(--bs-primary) !important;
        }

        .fc-event-title a {
            color: white !important;
        }

        .fc-daygrid-event {
            border-radius: 50em;
            padding: 3px 10px;
        }
    </style>
    @endpush
    <div class="container mt-5">
        <div class="row justify-content-center">
            <div class="col-md-12 mb-5">
                <div class="row">
                    <div class="col-lg-3">
                        <div id="external-events">
                            <p class="font-bold">Add to Calendar</p>

                            <button type="button" class="btn btn-primary text-start w-100 mb-2 px-3" wire:click="newEvent('event')" data-bs-toggle="modal" data-bs-target="#addCustomEvent">
                                <i class="fas fa-plus"></i> Event
                            </button>

                            <hr />

                            <button type="button" class="btn btn-primary text-start w-100 mb-2 px-3" wire:click="newEvent('custom')" data-bs-toggle="modal" data-bs-target="#addCustomEvent">
                                <i class="fas fa-plus"></i> Custom
                            </button>

                            <!-- Modal -->
                            <div class="modal fade" id="addCustomEvent" tabindex="-1" role="dialog" aria-labelledby="addCustomEventLabel" aria-hidden="true" wire:ignore.self>
                                <div class="modal-dialog modal-lg" role="document">
                                    <div class="modal-content">
                                        <form wire:submit.prevent="save">
                                            <div class="modal-header">
                                                <h5 class="modal-title" id="addCustomEventLabel">Add Event to Calendar</h5>
                                                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                                                    <span aria-hidden="true">&times;</span>
                                                </button>
                                            </div>
                                            <div class="modal-body">
                                                @if($newType == "custom" || $newType == "event")
                                                <div class="mb-3">
                                                    <label class="form-label" for="label">Title</label>
                                                    <input type="text" id="label" class="form-control" wire:model.defer="event.title" required />
                                                </div>
                                                @endif



                                                @if($newType == "custom" || $newType == "event")
                                                    <div class="mb-3">
                                                        <label class="form-label" for="date">Start Date</label>
                                                        <input type="text" id="start_date" class="form-control flatpickr" wire:model.defer="event.start_date" placeholder="mm/dd/yyyy" required />
                                                    </div>
                                                    <div class="mb-3">
                                                        <label class="form-label" for="date">End Date</label>
                                                        <input type="text" id="end_date" class="form-control flatpickr" wire:model.defer="event.end_date" placeholder="mm/dd/yyyy" required />
                                                    </div>
                                                @else
                                                    <div class="mb-3">
                                                        <label class="form-label" for="date">Schedule Date</label>
                                                        <input type="text" id="start_date" class="form-control flatpickr" wire:model.defer="event.start_date" placeholder="mm/dd/yyyy" required />
                                                    </div>
                                                @endif

                                                <div class="mb-3">
                                                    <label class="form-label" for="time">Time</label>
                                                    <input type="text" id="time" class="form-control" wire:model.defer="event.time" />
                                                </div>

                                                <div class="mb-3">
                                                    <label class="form-label" for="intensity">Intensity</label>
                                                    <input type="text" id="intensity" class="form-control" wire:model.defer="event.intensity" />
                                                </div>

                                                <div class="mb-3">
                                                    <label class="form-label" for="notes">Notes</label>
                                                    <textarea id="notes" class="form-control" wire:model.defer="event.notes"></textarea>
                                                </div>
                                            </div>
                                            <div class="modal-footer">
                                                <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
                                                <button type="submit" class="btn btn-primary"">Add</button>
                                            </div>
                                        </form>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                    <div class="col">
                        <div id="calendar-container" wire:ignore>
                            <div id="calendar"></div>
                          </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    @push('scripts')
    <script src="https://cdnjs.cloudflare.com/ajax/libs/flatpickr/4.6.9/flatpickr.min.js" integrity="sha512-+ruHlyki4CepPr07VklkX/KM5NXdD16K1xVwSva5VqOVbsotyCQVKEwdQ1tAeo3UkHCXfSMtKU/mZpKjYqkxZA==" crossorigin="anonymous"></script>
    <script src="https://cdn.jsdelivr.net/npm/[email protected]/main.min.js" integrity="sha256-rPPF6R+AH/Gilj2aC00ZAuB2EKmnEjXlEWx5MkAp7bw=" crossorigin="anonymous"></script>
    <script src="https://cdn.jsdelivr.net/npm/[email protected]/locales-all.min.js" integrity="sha256-/ZgxvDj3QtyBZNLbfJaHdwbHF8R6OW82+5MT5yBsH9g=" crossorigin="anonymous"></script>
    <script>
        String.prototype.stripSlashes = function(){
            return this.replace(/\\(.)/mg, "$1");
        }

        function nl2br (str, is_xhtml) {
            if (typeof str === 'undefined' || str === null) {
                return '';
            }
            var breakTag = (is_xhtml || typeof is_xhtml === 'undefined') ? '<br />' : '<br>';
            return (str + '').replace(/([^>\r\n]?)(\r\n|\n\r|\r|\n)/g, '$1' + breakTag + '$2');
        }

        $(document).on("click", ".popover .close" , function(){
            $(this).parents(".popover").popover('hide');
        });

        document.addEventListener('reloadModalJS', function() {
            $(".flatpickr").flatpickr({
                dateFormat: 'm/d/Y'
            });
        });

        document.addEventListener('livewire:load', function() {
            $(document).ready(function(){
                $(".flatpickr").flatpickr({
                    dateFormat: 'm/d/Y'
                });
            });

            var Calendar = FullCalendar.Calendar;
            var Draggable = FullCalendar.Draggable;

            var containerEl = document.getElementById('external-events');
            var calendarEl = document.getElementById('calendar');
            var checkbox = document.getElementById('drop-remove');

            // initialize the external events
            // -----------------------------------------------------------------
            new Draggable(containerEl, {
                itemSelector: 'li',
                eventData: function(eventEl) {
                    return {
                        title: eventEl.innerText
                    };
                }
            });

            // initialize the calendar
            // -----------------------------------------------------------------
            var calendar = new Calendar(calendarEl, {
                locale: '{{ config('app.locale') }}',
                editable: true,
                eventDurationEditable: false, // cant resize events to multiple days
                droppable: true, // this allows things to be dropped onto the calendar
                eventAdd: info => @this.eventReceive(info.event),
                eventReceive: info => @this.eventReceive(info.event),
                eventRemove: info => @this.eventRemove(info.event),
                drop: function(info) {
                    // if (shouldRemove) {
                        // if so, remove the element from the "Draggable Events" list
                        // info.draggedEl.parentNode.removeChild(info.draggedEl);
                    // }
                },
                eventDrop: function(info){
                    if (confirm("Are you sure about this change?")) {
                        // reschedule event
                        @this.eventDrop(info.event, info.oldEvent)
                    } else {
                        info.revert();
                    }
                },
                eventClick: function(info) {
                    info.jsEvent.preventDefault(); // don't let the browser navigate

                    if (info.event.url) {
                        window.open(info.event.url);
                    }

                    $('.popover .close').trigger('click');

                    @this.setEvent(info.event);

                    $(info.jsEvent.target).popover({
                        html: true,
                        sanitize: false,
                        title: info.event.title + '<a href="#" class="close" data-dismiss="alert">&times;</a>',
                        content: nl2br(info.event.extendedProps.content.stripSlashes()),
                        // placement: 'top',
                        container: '#calendar'
                    }).popover('show');

                    return false;
                },
                loading: function(isLoading) {
                    if (!isLoading) {
                        this.getEvents().forEach(function(e){
                            if (e.source === null) {
                                e.remove();
                            }
                        });
                    }
                },
                events: function(fetchInfo, successCallback, failureCallback) {
                    @this.set('startDate', fetchInfo.start);
                    @this.set('endDate', fetchInfo.end);
                    @this.getEvents().then(results => {
                        successCallback(results);
                    });
                },
            });

            calendar.render();

            @this.on('refreshCalendar', function(){
                calendar.refetchEvents()
            });

            @this.on('closeModal', function(){
                $('.modal').modal('hide');
            });

            $("body").on("keyup", '#quick_notes', _.debounce(function(){
                @this.saveNotes($(this).val());
                calendar.refetchEvents();
            }, 500));

            $('#saveEvent').click(function(){
                calendar.addEvent({
                    title: $('#label').val(),
                    allDay: true,
                    start: $('#start_date').val(),
                    end: $('#end_date') ? $('#end_date').val() : $('#start_date').val(),
                    extendedProps: {
                        content: $('#notes').val(),
                        meta: {
                            time: $('#time').val(),
                            intensity: $('#intensity').val(),
                            notes: $('#notes').val(),
                        }
                    }
                });
            });

            $('body').on('click', '.delete_event', function(){
                var c = confirm('Are you sure you want to delete this?');
                if(c === true) {
                    var id = $(this).attr('data-id');
                    var event = calendar.getEventById(id);
                    event.remove(id);
                    $('.popover .close').trigger('click');
                }
            });
        });
    </script>
    @endpush
</div>

Calendar.php

<?php

namespace App\Http\Livewire;

use App\Models\Event;
use Livewire\Component;
use Illuminate\Support\Str;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\Cache;

class DashboardCalendar extends Component
{
    public $startDate;
    public $endDate;
    public $event;
    public $activeEvent;
    public $newType;

    public function mount()
    {
        $this->startDate = now()->startOfMonth();
        $this->endDate = now()->endOfMonth();
    }

    public function setEvent($event)
    {
        $our_event = Event::where('id', $event['id'])->firstOrFail();

        $this->activeEvent = $our_event;
    }

    public function eventReceive($data)
    {
        // Handle new events
        $event = Event::create([
            'user_id' => auth()->id(),
            'title' => $data['title'],
            'content' => '',
            'editable' => true,
            'start' => $data['start'],
            'created_by' => auth()->id(),
        ]);

        if (isset($data['extendedProps']['meta'])) {
            $event->meta = $data['extendedProps']['meta'];
            $event->save();
        }

        $this->clearCache();
        $this->emit('refreshCalendar');
    }

    public function eventDrop($event, $oldEvent)
    {
        // Modify existing events
        $dh_event = Event::find($event['id']);
        if ($dh_event->user_id != auth()->id() || $dh_event->created_by != auth()->id()) {
            abort(403);
        }

        $dh_event->start = $event['start'];
        $dh_event->save();

        $this->clearCache();
        $this->emit('refreshCalendar');
    }

    public function eventRemove($event)
    {
        $id = $event['id'];
        $our_event = Event::find($id);

        if ($our_event->created_by == auth()->id()) {
            $our_event->delete();
        } else {
            abort(403);
        }

        $this->reset('activeEvent');
    }

    public function getEvents()
    {
        $startDate = $this->startDate;
        $endDate = $this->endDate;

        // $events = Cache::remember('user-events-' . auth()->id() . '-' . base64_encode($startDate.$endDate), now()->addHour(), function() use ($startDate, $endDate){
        $events = [];

        // add other events
        $global_events = Event::query()
        ->where(function ($query) {
            return $query->where('user_id', auth()->id())->orWhereNull('user_id');
        })
        ->whereDate('start', '>=', $startDate)
        ->where(function ($query) use ($endDate) {
            return $query->whereDate('end', '<=', $endDate)->orWhereNull('end');
        })
        ->get();

        foreach ($global_events as $global_event) {
            $event = [
                'id' => $global_event->id,
                'title' => $global_event->title,
                'start' => $global_event->start->startOfDay()->format('Y-m-d'),
                'end' => $global_event->end ? $global_event->end->addDay()->startOfDay()->format('Y-m-d') : null,
                'allDay' => $global_event->allDay,
                'editable' => $global_event->editable,
                'deletable' => $global_event->created_by == auth()->id(),
                'backgroundColor' => $global_event->backgroundColor,
                'extendedProps' => [
                    'type' => 'Event',
                    'content' => $global_event->content,
                    'notes' => $global_event->notes,
                    'editable' => $global_event->editable,
                ],
            ];

            $events[] = $event;
        }

        // return $events;
        // });

        return $events;
    }

    public function clearCache()
    {
        Cache::forget('user-events-' . auth()->id() . '-' . base64_encode($this->startDate . $this->endDate));
    }

    public function newEvent($type)
    {
        $this->reset('event');
        $this->newType = $type;

        $this->dispatchBrowserEvent('reloadModalJS');
    }

    public function save()
    {
        /** @var App\Models\User */
        $user = user();

        $title = '';

        if ($this->newType == 'rest') {
            $title = 'Rest';
        } elseif ($this->newType == 'ride') {
            $title = $this->event['riding_style'] . ' Ride';
        } else {
            $title = $this->event['title'];
        }

        $title = Purifier::clean($title);

        $user->events()->create([
            'title' => $title,
            'type' => $this->newType,
            'content' => '',
            'start' => Carbon::parse($this->event['start_date'])->format('Y-m-d'),
            'end' => ! empty($this->event['end_date']) ? Carbon::parse($this->event['end_date'])->format('Y-m-d') : null,
            'editable' => 1,
            'allDay' => 1,
            'meta' => [
                'riding_style' => Purifier::clean(@$this->event['riding_style']),
                'time' => Purifier::clean(@$this->event['time']),
                'intensity' => Purifier::clean(@$this->event['intensity']),
                'notes' => Purifier::clean(@$this->event['notes']),
            ],
            'notes' => Purifier::clean(@$this->event['notes']),
            'created_by' => auth()->id(),
        ]);

        $this->reset('event');
        $this->clearCache();
        $this->emit('refreshCalendar');
        $this->emitSelf('closeModal');
    }

    public function render()
    {
        return view('livewire.calendar', [
            'events' => [],
        ]);
    }
}

Greath Code!
listen, you are using a Model named Event.
¿Where can I find it?

It's just a generic model with a title and some dates. You can make this whatever you are wanting to show in your calendar.