From a8a2dd3f60d95577a81bf1c0b7cbbf1a01c85c58 Mon Sep 17 00:00:00 2001
From: jbdoderlein <jean.baptiste.doderlein@gmail.com>
Date: Wed, 21 Aug 2024 10:47:49 +0000
Subject: [PATCH] Minimal qr reader implementation

---
 .../note/templates/note/transaction_form.html | 48 +++++++++++++++++++
 note_kfet/settings/base.py                    |  4 +-
 note_kfet/templates/base.html                 |  1 +
 3 files changed, 51 insertions(+), 2 deletions(-)

diff --git a/apps/note/templates/note/transaction_form.html b/apps/note/templates/note/transaction_form.html
index 10e2330..a9e7429 100644
--- a/apps/note/templates/note/transaction_form.html
+++ b/apps/note/templates/note/transaction_form.html
@@ -47,6 +47,7 @@ SPDX-License-Identifier: GPL-2.0-or-later
                 <div class="card-body text-center p-2">
                     <span id="user_note"><i class="small">{% trans "Please select a note" %}</i></span>
                 </div>
+                <div id="qrreader"></div>
             </div>
         </div>
 
@@ -162,6 +163,53 @@ SPDX-License-Identifier: GPL-2.0-or-later
 {% endblock %}
 
 {% block extrajavascript %}
+    <script>
+        function onScanSuccess(decodedText, decodedResult) {
+            // handle the scanned code as you like, for example:
+            // Add user if exist on sources_notes_display
+            $.getJSON('/api/note/consumer/?format=json&alias=' + decodedText + '&search=user|club',
+                function (consumers) {
+                    if (consumers.count > 0) {
+                        // Add the user to the list of sources
+                        let consumer = consumers.results[0];
+                        disp = {
+                            name: consumer.name,
+                            id: consumer.id,
+                            note: consumer.note,
+                            quantity: 1
+                          }
+                        sources_notes_display.push(disp);
+                        // Display
+                        const note_list = $('#' + 'source_note_list');
+                        let html = ''
+                        sources_notes_display.forEach(function (disp) {
+                        html += li('source_note' + '_' + disp.id,
+                            disp.name +
+                                            '<span class="badge badge-dark badge-pill">' +
+                                            disp.quantity + '</span>',
+                            displayStyle(disp.note))
+                        })
+
+                        // Emitters are displayed
+                        note_list.html(html)
+                    }
+                }
+            );
+            console.log(`Code matched = ${decodedText}`, decodedResult);
+          }
+          
+          function onScanFailure(error) {
+            // handle scan failure, usually better to ignore and keep scanning.
+            // for example:
+            console.warn(`Code scan error = ${error}`);
+          }
+          
+          let html5QrcodeScanner = new Html5QrcodeScanner(
+            "qrreader",
+            { fps: 10, qrbox: {width: 250, height: 250} },
+            /* verbose= */ false);
+          html5QrcodeScanner.render(onScanSuccess, onScanFailure);
+    </script>
     <script>
         TRANSFER_POLYMORPHIC_CTYPE = {{ polymorphic_ctype }};
         SPECIAL_TRANSFER_POLYMORPHIC_CTYPE = {{ special_polymorphic_ctype }};
diff --git a/note_kfet/settings/base.py b/note_kfet/settings/base.py
index bc94872..7d69acb 100644
--- a/note_kfet/settings/base.py
+++ b/note_kfet/settings/base.py
@@ -220,8 +220,8 @@ MEDIA_URL = '/media/'
 # Use mailer in production to place emails in a queue before sending them to avoid spam
 EMAIL_BACKEND = 'mailer.backend.DbBackend'
 MAILER_EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
-EMAIL_USE_SSL = os.getenv('EMAIL_USE_SSL', False)
-EMAIL_USE_TLS = os.getenv('EMAIL_USE_TLS', True)
+EMAIL_USE_SSL = (os.getenv('EMAIL_USE_SSL', "False")=="True")
+EMAIL_USE_TLS = (os.getenv('EMAIL_USE_TLS', "True")=="True")
 EMAIL_HOST = os.getenv('EMAIL_HOST', 'smtp.example.org')
 EMAIL_PORT = os.getenv('EMAIL_PORT', 587)
 EMAIL_HOST_USER = os.getenv('EMAIL_USER', None)
diff --git a/note_kfet/templates/base.html b/note_kfet/templates/base.html
index 457bcbc..aab51ad 100644
--- a/note_kfet/templates/base.html
+++ b/note_kfet/templates/base.html
@@ -36,6 +36,7 @@ SPDX-License-Identifier: GPL-3.0-or-later
     <script src="{% static "js/turbolinks.js" %}"></script>
     <script src="{% static "js/base.js" %}"></script>
     <script src="{% static "js/konami.js" %}"></script>
+    <script src="https://unpkg.com/html5-qrcode" type="text/javascript"></script>
 
     {# Translation in javascript files #}
     <script src="{% static "js/jsi18n/"|add:LANGUAGE_CODE|add:".js" %}"></script>