From 2451ab45cb261fad434c4a22447e4512bff42020 Mon Sep 17 00:00:00 2001
From: faulty <didier@faulty.nl>
Date: Mon, 2 Jan 2023 00:51:48 +0100
Subject: [PATCH] tweaks for seat-chooser

---
 app/Models/Room.php                           |  27 ++--
 public/css/seat-chooser.css                   |  45 ++++--
 public/js/seat-chooser.js                     | 130 ++++++++++++++++--
 .../views/components/seat-chooser.blade.php   |   1 +
 4 files changed, 174 insertions(+), 29 deletions(-)

diff --git a/app/Models/Room.php b/app/Models/Room.php
index 207355f..f5e628b 100644
--- a/app/Models/Room.php
+++ b/app/Models/Room.php
@@ -47,15 +47,9 @@ public function seatMatrix($showing_id = null)
     {
         $seats = $this->seats;
         $matrix = [];
-        // first, create an empty matrix
-        for ($i = 0; $i < $this->room_rows-1; $i++) {
-            $matrix[$i] = [];
-            for ($j = 0; $j < $this->room_columns-1; $j++) {
-                $matrix[$i][$j] = null;
-            }
-        }
         // then, fill it with the seats
         foreach ($seats as $seat) {
+            if (!isset($matrix[$seat->seat_row - 1])) $matrix[$seat->seat_row - 1] = [];
             $matrix[$seat->seat_row-1][$seat->seat_column-1] = [
                 'seat_id' => $seat->seat_id,
                 'seat_row' => $seat->seat_row,
@@ -65,7 +59,24 @@ public function seatMatrix($showing_id = null)
                 'reserved' => $showing_id ? $seat->isReserved($showing_id) : false,
             ];
         }
-        return $matrix;
+        return fix_matrix($matrix, $this->room_columns-1, $this->room_rows-1);
     }
 
 }
+
+function fix_matrix($m, $h, $w) {
+    $_nm = [];
+    // write the matrix into _nm and fill the empty spaces with null
+    for ($i = 0; $i <= $h; $i++) {
+        $_nm[$i] = [];
+        for ($j = 0; $j <= $w; $j++) {
+            if (isset($m[$i][$j])) {
+                $_nm[$i][$j] = $m[$i][$j];
+            } else {
+                $_nm[$i][$j] = null;
+            }
+        }
+    }
+
+    return $_nm;
+}
diff --git a/public/css/seat-chooser.css b/public/css/seat-chooser.css
index efa2923..860d90b 100644
--- a/public/css/seat-chooser.css
+++ b/public/css/seat-chooser.css
@@ -14,6 +14,12 @@ #seat-chooser {
     justify-content: center;
     width: 100%;
     height: 100%;
+
+    --seat-width: 2.5rem;
+    --seat-height: var(--seat-width);
+    --seat-gap: 0.5rem;
+    --seat-border-size: 0.1rem;
+    --seat-border-radius: 0.5rem;
 }
 
 #seat-chooser .row {
@@ -29,12 +35,12 @@ #seat-chooser .row .seat {
     display: flex;
     align-items: center;
     justify-content: center;
-    width: 50px;
-    height: 50px;
-    margin: 5px;
-    border: 1px solid #000;
-    border-radius: 5px;
-    background-color: #fff;
+    width: var(--seat-width);
+    height: var(--seat-height);
+    margin: var(--seat-gap);
+    border: var(--seat-border-size) solid var(--primary-color);
+    border-radius: var(--seat-border-radius);
+    background-color: var(--second-bg);
     cursor: pointer;
 }
 
@@ -50,22 +56,39 @@ #seat-chooser .row .seat.linked-right {
     border-left: 0;
 }
 
+#seat-chooser .row .seat.loveseat {
+    background-color: #ff3fe5;
+}
+
 #seat-chooser .row .no-seat {
     /* this seat DOES NOT EXISTS it's a filler for layout*/
     border: none;
     background-color: transparent;
     cursor: default;
-    width: 50px;
-    height: 50px;
-    margin: 5px;
+
+    width: var(--seat-width);
+    height: var(--seat-height);
+    margin: calc(var(--seat-border-size) + var(--seat-gap));
 }
 
 #seat-chooser .row .seat.selected {
-    background-color: #55f;
+    border: calc(var(--seat-gap) - 0.1rem) solid var(--primary-color);
+    margin: 0.1rem;
+    filter: brightness(1.2);
 }
 
 #seat-chooser .row .seat.reserved {
-    background-color: #f00;
+    background-color: var(--highlight-bg);
+    cursor: not-allowed;
+}
+
+#seat-chooser .row .seat.disabled {
+    background-color: var(--default-bg);
+    cursor: not-allowed;
+}
+
+#seat-chooser .row .seat.wheelchair {
+    background-color: #3498db;
 }
 
 #seat-chooser .row .seat:hover {
diff --git a/public/js/seat-chooser.js b/public/js/seat-chooser.js
index 44c5d3c..4bae2c5 100644
--- a/public/js/seat-chooser.js
+++ b/public/js/seat-chooser.js
@@ -4,22 +4,38 @@
 // the input is a matrix with null OR a seat object
 
 class Seat {
-    constructor(id, row, col, linked, reserved) {
+    constructor(id, row, col, linked, reserved, type) {
         this.id = id; // database id
         this.row = row;
         this.col = col;
         this.linked = linked; // linked seat
         this.reserved = reserved;
+        this.type = type; // seat type
     }
 }
 
 class SeatChooser {
-    constructor(showingId, container) {
-        if (container.innerText === '') {
-            container.innerText = 'Loading...';
+    setLoadingStatus(msg) {
+        // if no status element exists, create one
+        if (!this.container.querySelector('#seat-chooser-status')) {
+            let status = document.createElement('div');
+            // h2 for "Loading..."
+            // span for message
+            status.innerHTML = `<h2>Loading...</h2><span id="seat-chooser-status-message"></span>`;
+            status.id = 'seat-chooser-status';
+            status.style.textAlign = 'center';
+            this.container.appendChild(status);
         }
+        // set the message
+        this.container.querySelector('#seat-chooser-status-message').innerText = msg;
+    }
+
+    constructor(showingId, container, submitCallback) {
         this.showingId = showingId; // id of the showing
         this.container = container; // the container to render the seat chooser in
+        this.submitCallback = submitCallback; // callback function to call when the user submits the form
+
+        this.setLoadingStatus("Initializing...");
 
         this.seats = []; // array of nulls and Seat objects
 
@@ -29,34 +45,55 @@ class SeatChooser {
     }
 
     async init() {
+        this.setLoadingStatus("Fetching showing data...");
         let showingJson = await (await fetch(`/api/showings/${this.showingId}`)).json();
+        this.setLoadingStatus("Fetching seats...");
         let roomMatrix = await (await fetch(`/api/showings/${this.showingId}/seatMatrix`)).json();
         // Matrix<json | null> -> Matrix<Seat | null>
+        this.setLoadingStatus("Processing seats...");
         console.log("Matrix<json | null> -> Matrix<Seat | null>");
         this.seats = roomMatrix.map((row, rowIndex) => {
             return row.map((seat, colIndex) => {
                 if (seat === null) {
                     return null;
                 }
+                this.setLoadingStatus("Processing seats... " + Math.round((rowIndex * row.length + colIndex) / (row.length * row.length) * 100) + "%");
                 return new Seat(
                     seat['seat_id'],
                     seat['seat_row'],
                     seat['seat_column'],
                     seat['seat_linked_id'],
-                    seat['reserved']
+                    seat['reserved'],
+                    seat['seat_type']
                 );
             });
         });
         console.log(this.seats);
+        await this.fixCoronaSeating();
         this.render();
     }
 
+    async fixCoronaSeating() {
+        // the seat left or right of a set of reserved seats are not available
+        this.seats.forEach((row, rowIndex) => {
+            row.forEach((seat, colIndex) => {
+                if (seat === null) return;
+                if (seat.reserved) {
+                    if (row[colIndex - 1] && !row[colIndex - 1].reserved)
+                        row[colIndex - 1].type = 'not_available';
+                    if (row[colIndex + 1] && !row[colIndex + 1].reserved)
+                        row[colIndex + 1].type = 'not_available';
+                }
+            });
+        });
+    }
+
     render() {
-        console.log("rendering");
+        this.setLoadingStatus("Rendering...");
         let linkedCache = false;
         // render the seat chooser
-        this.container.innerHTML = '';
         // this -> row -> seat
+        this.container.innerHTML = '';
         this.seats.forEach((row, rowIndex) => {
             let rowDiv = document.createElement('div');
             rowDiv.classList.add('row');
@@ -64,7 +101,10 @@ class SeatChooser {
                 let seatDiv = document.createElement('div');
                 if (seat) {
                     seatDiv.classList.add('seat');
-                    seatDiv.classList.add(seat.reserved ? 'reserved' : 'available');
+                    if (seat.reserved) {
+                        seatDiv.classList.add('reserved');
+                        seatDiv.title = 'This seat is reserved';
+                    }
 
                     if (seat.linked) {
                         // if cache is false, then this is the first seat in the linked pair
@@ -81,6 +121,27 @@ class SeatChooser {
 
                     seatDiv.innerText = `${seat.row}-${seat.col}`;
 
+                    switch (seat.type) {
+                        case 'not_available':
+                            seatDiv.title = 'This seat is not available';
+                            seatDiv.classList.add('disabled');
+                            break;
+
+                        case 'wheelchair':
+                            seatDiv.title = 'This seat is wheelchair accessible';
+                            seatDiv.classList.add('wheelchair');
+                            break;
+
+                        case 'loveseat':
+                            seatDiv.title = 'This seat is a loveseat';
+                            seatDiv.classList.add('loveseat');
+                            break;
+
+                        case 'standard':
+                            seatDiv.title = 'This is a standard seat';
+                            break;
+                    }
+
                     seatDiv.dataset.id = seat.id;
                     seatDiv.dataset.row = seat.row;
                     seatDiv.dataset.col = seat.col;
@@ -95,12 +156,37 @@ class SeatChooser {
             });
             this.container.appendChild(rowDiv);
         });
+
+        // button container
+        let buttonContainer = document.createElement('div');
+        buttonContainer.style.display = 'flex';
+
+        // clear button
+        let clearButton = document.createElement('button');
+        clearButton.classList.add('button');
+        clearButton.style.margin = '1rem';
+        clearButton.innerText = 'Clear';
+        clearButton.addEventListener('click', () => {
+            this.clearSelection();
+        });
+        buttonContainer.appendChild(clearButton);
+
+        // submit button
+        let submitButton = document.createElement('button');
+        submitButton.classList.add('button');
+        submitButton.style.margin = '1rem';
+        submitButton.innerText = 'Submit';
+        submitButton.addEventListener('click', () => {
+            this.submitCallback(this);
+        });
+        buttonContainer.appendChild(submitButton);
+        this.container.appendChild(buttonContainer);
     }
 
     toggleSeat(seat, e) {
         // toggle the seat
         // because of linked seats, we need to toggle both seats
-        if (seat.reserved) return;
+        if (seat.reserved || seat.type == 'not_available') return;
         e.target.classList.toggle('selected');
         if (seat.linked) {
             // beware that you can click on the left or right seat
@@ -124,6 +210,30 @@ class SeatChooser {
             }
         }
     }
+
+    clearSelection() {
+        this.selectedSeats.forEach(seat => {
+            let seatDiv = this.container.querySelector(`[data-id="${seat.id}"]`);
+            seatDiv.classList.remove('selected');
+        });
+        this.selectedSeats = [];
+    }
 }
 
-let seatChooser = new SeatChooser(1, document.getElementById('seat-chooser'));
+let seatChooser = new SeatChooser(1, document.getElementById('seat-chooser'), (sc) => {
+    // gray overlay and show selected seats
+    let overlay = document.createElement('div');
+    overlay.style.position = 'fixed';
+    overlay.style.top = '0';
+    overlay.style.left = '0';
+    overlay.style.width = '100vw';
+    overlay.style.height = '100vh';
+    overlay.style.backgroundColor = 'rgba(0,0,0,0.5)';
+    overlay.style.display = 'flex';
+    overlay.style.justifyContent = 'center';
+    overlay.innerText = 'You selected the following seats: ' + sc.selectedSeats.map(seat => `${seat.row}-${seat.col}`).join(', ');
+    overlay.addEventListener('click', () => {
+        overlay.remove();
+    });
+    sc.container.appendChild(overlay);
+});
diff --git a/resources/views/components/seat-chooser.blade.php b/resources/views/components/seat-chooser.blade.php
index 4133fe4..da51a17 100644
--- a/resources/views/components/seat-chooser.blade.php
+++ b/resources/views/components/seat-chooser.blade.php
@@ -1,6 +1,7 @@
 @extends('layout')
 
 @push('head')
+    <link rel="stylesheet" href="{{ asset('css/generic.css') }}">
     <link rel="stylesheet" href="{{ asset('css/seat-chooser.css') }}">
     <script src="{{ asset('js/seat-chooser.js') }}" defer></script>
 @endpush