new entry deletuion capability

core/views/logbooks.py

@@ -3,9 +3,11 @@ import re
 from django.db.models import Q
 from django.shortcuts import render
 from django.views.generic.list import ListView
+from django.shortcuts import render, redirect
+
 
 import troggle.settings as settings
-from troggle.core.models.logbooks import LogbookEntry, PersonLogEntry, QM
+from troggle.core.models.logbooks import LogbookEntry, PersonLogEntry, QM, writelogbook
 from troggle.core.models.survex import SurvexBlock, SurvexFile
 from troggle.core.models.troggle import Expedition, Person
 from troggle.core.models.wallets import Wallet
@@ -218,6 +220,31 @@ def personexpedition(request, slug="", year=""):
         print(msg)
         return render(request, "errors/generic.html", {"message": msg})
 
+def logentrydelete(request, year):
+    """This only gets called by a POST from the logreport page
+    
+    The function in memory of James Waite who managed to make so many duplicate  logbook entries
+    that we needed a sopecial mechanism to delete them.
+    """
+    eslug = request.POST["entry_slug"] 
+    entry = LogbookEntry.objects.get(slug=eslug)
+    # OK we delete it formt he db and then re-save logbook.html file
+    # to ensure that the permanent record also has the entry deleted.
+    entry.delete()
+    
+    print(f"- Rewriting the entire {year} logbook to disc ")
+    filename= "logbook.html"   
+    try:
+        writelogbook(year, filename) # uses a template
+    except:
+        message = f'! - Logbook saving failed - \n!! Permissions failure ?! on attempting to save file "logbook.html"'
+        print(message)
+        return render(request, "errors/generic.html", {"message": message})
+            
+    
+    return redirect(f"/logreport/{year}")
+
+
 def logreport(request, year=1999):
     """
         Remember that 'personexpedition__expedition' is interpreted by Django to mean the
@@ -231,7 +258,12 @@ def logreport(request, year=1999):
     expeditions = Expedition.objects.all()  # top menu only, evaluated only when template renders
     dates = None
     dateditems = None
+    logged_in = False
+
     
+    if request.user.is_superuser:  # expoadmin is both .is_staff and ._is_superuser
+        logged_in = True
+
   
     try:
         expo = Expedition.objects.get(year=int(year))
@@ -265,6 +297,7 @@ def logreport(request, year=1999):
             "settings": settings,
             "dateditems": dateditems,
             "dates": dates,
+            "logged_in": logged_in,
          }
         # print(f"logreport(): rendering..")
         return render(request, "logreport.html", context)