Added endpoint for listing posts for discussion visualization

backend/webapp/prototype/filehandler/functions.py

@@ -92,3 +92,20 @@ def listParagraphsFromDiscussion(id):
     out['posts'] = posts_
     return(out)
 
+def listPostsFromDiscussion(id):
+    out = {}
+    posts = Post.objects.filter(discussion_id = id)
+    posts_array = []
+    for post in posts:
+        obj = {}
+        obj['author'] = post.author
+        obj['id'] = post.post_id
+        obj['parent'] = post.parent
+        message = ""
+        paragraphs = Paragraph.objects.filter(post_id = post.pk)
+        for paragraph in paragraphs:
+            message += paragraph.message + " "
+        obj['message'] = message.rstrip()
+        posts_array.append(obj)
+    out['posts'] = posts_array
+    return(out)

backend/webapp/prototype/filehandler/views.py

@@ -7,7 +7,7 @@ from django.http import JsonResponse, HttpResponse
 from prototype.filehandler.models import Document, Forum
 from prototype.filehandler.forms import DocumentForm
 from prototype.filehandler.xmlParser import parseData
-from prototype.filehandler.functions import addToDatabase, listDiscussionsFromFile, listParagraphsFromDiscussion, createLabels
+from prototype.filehandler.functions import addToDatabase, listDiscussionsFromFile, listParagraphsFromDiscussion, createLabels, listPostsFromDiscussion
 
 
 def home(request):
@@ -39,3 +39,10 @@ def discussions(request, id):
         return JsonResponse(output, safe=False)
     else:
         return HttpResponse('Nieobsługiwana metoda HTTP', status=406)
+
+def visualize(request, id):
+    if request.method == 'GET':
+        output = listPostsFromDiscussion(id)
+        return JsonResponse(output, safe=False)
+    else:
+        return HttpResponse('Nieobsługiwana metoda HTTP', status=406)

backend/webapp/prototype/urls.py

@@ -24,7 +24,8 @@ urlpatterns = [
     path('', views.home, name='home'),
     path('prototype/form/', views.model_form_upload, name='model_form_upload'),
     path('admin/', admin.site.urls),
-    path('discussions/<int:id>', views.discussions)
+    path('discussions/<int:id>', views.discussions),
+    path('visualize/<int:id>', views.visualize)
 
 ]