From 54e2f6bdf100d78cb4b2f7f1da91154e248b6840 Mon Sep 17 00:00:00 2001
From: Raphael Odini <raphodn@users.noreply.github.com>
Date: Wed, 5 Jul 2023 15:08:18 +0200
Subject: [PATCH] =?UTF-8?q?Commande=20pour=20d=C3=A9tecter=20les=20liens?=
 =?UTF-8?q?=20cass=C3=A9s=20(#1987)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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* Simple command to detect Question & Quiz broken links

* Send recap email

* Add validation_status info

* Only send recap email if there are errors
---
 .../commands/detect_broken_links.py           | 115 ++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 core/management/commands/detect_broken_links.py

diff --git a/core/management/commands/detect_broken_links.py b/core/management/commands/detect_broken_links.py
new file mode 100644
index 00000000..385853e1
--- /dev/null
+++ b/core/management/commands/detect_broken_links.py
@@ -0,0 +1,115 @@
+import requests
+from django.conf import settings
+from django.core.mail import send_mail
+from django.core.management import BaseCommand
+
+from questions.models import Question
+from quizs.models import Quiz
+
+
+COMMAND_TITLE = "Commande de détection des liens cassés"
+
+
+QUESTION_URL_FIELDS = Question.QUESTION_URL_FIELDS + Question.QUESTION_IMAGE_URL_FIELDS
+QUIZ_URL_FIELDS = Quiz.QUIZ_URL_FIELDS + Quiz.QUIZ_IMAGE_URL_FIELDS
+# GLOSSARY_ITEM_URL_FIELDS = GlossaryItem.GLOSSARY_ITEM_URL_FIELDS
+# USER_CARD_URL_FIELDS =
+
+
+class Command(BaseCommand):
+    """
+    Usage:
+    python manage.py detect_broken_links
+    """
+
+    def handle(self, *args, **options):
+        print("=== detect_broken_links running")
+
+        error_list = list()
+
+        question_error_list = self.detect_question_broken_links()
+        error_list.extend(question_error_list)
+        quiz_error_list = self.detect_quiz_broken_links()
+        error_list.extend(quiz_error_list)
+
+        # only send recap email if there are errors
+        if len(error_list):
+            self.send_recap_email(error_list)
+
+    def detect_question_broken_links(self):
+        error_list = list()
+        progress = 0
+        questions = Question.objects.all()
+        print(f"=== Questions: {questions.count()}")
+
+        for object in questions:
+            for object_url_field in QUESTION_URL_FIELDS:
+                url = getattr(object, object_url_field)
+                if url:
+                    try:
+                        requests.get(url, timeout=10)
+                    except Exception:
+                        error_list.append(
+                            {
+                                "object_type": "Question",
+                                "object_id": object.id,
+                                "object_validation_status": object.validation_status,
+                                "object_field_name": object_url_field,
+                                "object_field_url": url,
+                            }
+                        )
+            progress += 1
+            if (progress % 100) == 0:
+                print(f"{progress}...")
+
+        print(f"Questions done. Found {len(error_list)} errors")
+        return error_list
+
+    def detect_quiz_broken_links(self):
+        error_list = list()
+        progress = 0
+        quizs = Quiz.objects.all()
+        print(f"=== Quizs: {quizs.count()}")
+
+        for object in quizs:
+            for object_url_field in QUIZ_URL_FIELDS:
+                url = getattr(object, object_url_field)
+                if url:
+                    try:
+                        requests.get(url, timeout=10)
+                    except Exception:
+                        error_list.append(
+                            {
+                                "object_type": "Quiz",
+                                "object_id": object.id,
+                                "object_validation_status": object.validation_status,
+                                "object_field_name": object_url_field,
+                                "object_field_url": url,
+                            }
+                        )
+            progress += 1
+            if (progress % 10) == 0:
+                print(f"{progress}...")
+
+        print(f"Quizs done. Found {len(error_list)} errors")
+        return error_list
+
+    def send_recap_email(self, error_list):
+        email_subject = f"[Admin] {COMMAND_TITLE}"
+
+        email_template_html = f"<!DOCTYPE html><html><h1>{COMMAND_TITLE}</h1>"
+        email_template_html += f"<p>{len(error_list)} liens cassés</p>"
+        email_template_html += "<table><thead><tr><th>Type</th><th>ID</th><th>Statut</th><th>Nom du champ</th><th>Lien cassé</th></tr></thead><tbody>"  # noqa
+        for error in error_list:
+            email_template_html += f"<tr><td>{error['object_type']}</td><td>{error['object_id']}</td><td>{error['object_validation_status']}</td><td>{error['object_field_name']}</td><td>{error['object_field_url']}</td></tr>"  # noqa
+        email_template_html += "</tbody></table></html>"
+
+        send_mail(
+            subject=email_subject,
+            message=email_template_html,
+            html_message=email_template_html,
+            from_email=settings.DEFAULT_FROM_EMAIL,
+            recipient_list=[settings.CONTACT_EMAIL],
+            fail_silently=False,
+        )
+        print("E-mail recap envoyé")