Fix bugs around editing and time

* Pre-fill the timezone with the offset in hours (correct), instead of minutes, like the DB stores
* Only change the timezone in JS if you're not editing
* Redirect back to a Thought after editing it

main/models.py

@@ -3,8 +3,8 @@ import uuid
 
 import magic
 
-from django.db import models
 from django import forms
+from django.db import models
 from django.utils import timezone
 from django.utils.text import normalize_newlines
 from django.core.exceptions import ValidationError
@@ -37,6 +37,9 @@ class Thought(models.Model):
             offset_hours = "+" + str(offset_hours)
         return str(offset_hours)
 
+    def get_absolute_url(self):
+        return f"/?show={str(self.uuid)}"
+
 
 # Honestly I'm so sick of this problem that writing out a comment here to explain why it is necessary is beyond me.
 # I'm calling this CharField and not MySpecialLineNormalizingCharField

main/templates/whispermaphone/post.html

@@ -129,6 +129,8 @@
     timezoneOffsetEl.setAttribute("type", "hidden");
     // The text box needs to be in hours, UTC offset (e.g. -8)
     // .getTimezoneOffset() returns minutes behind UTC
+    {% if not editing %}
     timezoneOffsetEl.value = -(new Date()).getTimezoneOffset() / 60;
+    {% endif %}
 </script>
 {% endblock %}

main/views.py

@@ -86,6 +86,7 @@ def post(request):
     editing = request.GET.get("editing", None)
     try: 
         editing_thought = Thought.objects.get(uuid=editing)
+        editing_thought.timezone_offset = - editing_thought.timezone_offset / 60
     except Thought.DoesNotExist:
         editing_thought = None
 
@@ -151,6 +152,8 @@ def post(request):
         thought.save()
 
         # Redirect to the same page, so that we make a GET request to /post
+        if editing_thought:
+            return redirect(editing_thought)
         return redirect("post")
 
     return render(request, "whispermaphone/post.html", {