Autostart docker app unless stopped on purpose. Update README.md and describe cron scheduling. Add chart to product view and sort product prices.

README.md

@@ -7,7 +7,7 @@
 3. Build and start docker container `docker compose up -d`
 4. Run `docker compose exec php-app php console.php app:migrate` file to create `database.sqlite` and create tables. 
 5. Run `docker compose exec php-app php console.php app:scrape` command to scrape all the products from the ryobi website.
-6. Access web interface using `localhost:9000` address in web browser.
+6. Access web interface using `localhost:9001` address in web browser.
 
 
 ## Update project 
@@ -16,6 +16,13 @@
 2. Run `git pull`
 3. Start and build image in one go with command: `docker compose up -d --build --force-recreate`
 
+## Running Cron
+
+For now only way of running `app:scrape` command on schedule is to use host crontab.
+1. Run `crontab -e` command to edit host crontab job file
+2. Add a new line with e.g. line like this `0 1 * * * cd /var/project/directory/ && docker compose exec php-app php console.php app:scrape`
+3. Save and exit file editor. Cron will execute `app:scrape` once per day.
+
 ## Screenshots
 
 ### Main screen of the web view

docker-compose.yml

@@ -1,5 +1,6 @@
 services:
   php-app:
+    restart: unless-stopped
     build: .
     volumes:
       - .:/usr/src/app

src/Controller/ProductController.php

@@ -8,7 +8,11 @@ final class ProductController extends BaseController
 {
     public function __invoke(int $productId): void
     {
-        $product = Product::with('price')->find($productId);
-        $this->twig->display('product.html.twig', ['product' => $product ?? []]);
+        $product = Product::with([
+            'price' => fn($query) => $query->orderBy('created_at', 'desc')
+        ])->find($productId);
+        $priceList = $product->price()->pluck('price')->implode(',');
+        $priceDates = $product->price()->pluck('created_at')->map(fn($date) => $date->format('Y-m-d'))->implode("','");
+        $this->twig->display('product.html.twig', ['product' => $product ?? [], 'price_list' => $priceList, 'price_dates' => $priceDates]);
     }
 }

src/templates/product.html.twig

@@ -4,8 +4,8 @@
     <table class='table table-hover'>
         <tr>
             <td class="align-middle font-weight-bold h3"><a class="text-warning text-decoration-none" href="/star/{{ product.id }}">{% if product.starred %}★{% else %} ☆ {% endif %}</a></td>
-            <td><img src='{{ product.image }}&width=150' class='img-fluid' alt='{{ product.name }}'/></td>
-            <td><a href='/product/{{ product.id }}'>{{ product.name }}</a></td>
+            <td><img src='{{ product.image }}&width=150' class='border rounded p-1' alt='{{ product.name }}'/></td>
+            <td><a href='/product/{{ product.id }}' class="text-decoration-none">{{ product.name }}</a></td>
             <td>{{ product.subTitle }}</td>
             <td>
                 <ul class='nav'>
@@ -16,6 +16,13 @@
             </td>
             <td><a href='https://pl.ryobitools.eu/{{ product.url }}'>link</a></td>
         </tr>
+        <tr>
+            <td colspan="4">
+                <div style="width: 800px;">
+                    <canvas id="price"></canvas>
+                </div>
+            </td>
+        </tr>
         <tr>
             <td colspan="4">
                 <table class='table table-hover table-sm mb-0'>
@@ -38,5 +45,46 @@
             </td>
         </tr>
     </table>
+    <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
+
+    <script>
+        const ctx = document.getElementById('price');
+
+        new Chart(ctx, {
+            type: 'line',
+            data: {
+                labels: ['{{ price_dates|raw }}'],
+                datasets: [{
+                    label: 'Price (PLN)',
+                    data: [{{ price_list }}],
+                    borderWidth: 1
+                }]
+            },
+            options: {
+                animation: false,
+                plugins: {
+                    title: {
+                        display: true,
+                        text: 'Price in time'
+                    },
+                },
+                scales: {
+                    x: {
+                        title: {
+                            display: true,
+                            text: 'Date'
+                        }
+                    },
+                    y: {
+                        beginAtZero: true,
+                        title: {
+                            display: true,
+                            text: 'Price'
+                        }
+                    }
+                }
+            }
+        });
+    </script>
 {% endblock %}
 

src/templates/productList.html.twig

@@ -5,8 +5,8 @@
         {% for product in products %}
             <tr>
                 <td class="align-middle font-weight-bold h3"><a class="text-warning text-decoration-none" href="/star/{{ product.id }}">{% if product.starred %}★{% else %} ☆ {% endif %}</a></td>
-                <td><img src='{{ product.image }}&width=70' class='img-fluid' alt='{{ product.name }}'/></td>
-                <td class="align-middle"><a href='/product/{{ product.id }}'>{{ product.name }}</a></td>
+                <td class="align-middle" style="width: 120px;"><img src='{{ product.image }}&width=70' class='border rounded p-1' alt='{{ product.name }}'/></td>
+                <td class="align-middle"><a href='/product/{{ product.id }}' class="text-decoration-none">{{ product.name }}</a></td>
                 <td class="align-middle">{{ product.subTitle }}</td>
                 <td class="align-middle">
                     <ul class='nav'>