Initial add of On This Day links to svx file page

core/views/survex.py

@@ -6,6 +6,8 @@ import socket
 from pathlib import Path
 
 from django import forms
+from django.db import models
+
 from django.core.exceptions import MultipleObjectsReturned, ObjectDoesNotExist
 from django.http import HttpResponse
 from django.shortcuts import render
@@ -13,14 +15,20 @@ from django.views.decorators.csrf import ensure_csrf_cookie
 
 import troggle.settings as settings
 from troggle.core.models.caves import Cave
+from troggle.core.models.survex import SurvexFile, SurvexBlock
 from troggle.core.utils import only_commit
 
 """Everything that views survexfiles 
 but also displays data on a cave or caves when there is ambiguity
 """
 
-todo = """survexcavesingle is not properly producing any result for Homecoming, 1626-359, 2018-dm-07
+todo = """- survexcavesingle is not properly producing any result for Homecoming, 1626-359, 2018-dm-07
 even though there are dozens of surveys.
+
+- Never actual uses the object for the survexfile, works entirely from the filepath! Make it check and validate
+
+- Save the edited survexfile as a survexfile object and re-parse it, and update
+all its dependencies
 """
 
 survexdatasetpath = Path(settings.SURVEX_DATA)
@@ -107,6 +115,7 @@ class SvxForm(forms.Form):
     datetime = forms.DateTimeField(widget=forms.TextInput(attrs={"readonly": True}))
     outputtype = forms.CharField(widget=forms.TextInput(attrs={"readonly": True}))
     code = forms.CharField(widget=forms.Textarea(attrs={"cols": 140, "rows": 36}))
+    survexfile = models.ForeignKey(SurvexFile, blank=True, null=True, on_delete=models.SET_NULL) # 1:1 ?
 
     template = False
 
@@ -116,6 +125,16 @@ class SvxForm(forms.Form):
             print(">>> >>> WARNING - svx file not found, showing TEMPLATE SVX", fname, flush=True)
             self.template = True
             return survextemplatefile
+        refs = SurvexFile.objects.filter(path=self.data["filename"])
+        if len(refs)==1:
+            self.survexfile = SurvexFile.objects.get(path=self.data["filename"])
+        else:
+            self.survexfile = refs[0]
+            # OK this is due to a bug in the import file parsing, whoops.
+            print("BUG - to be fixed in the survex parser - not critical..")
+            print(f"Number of SurvexFile objects found: {len(refs)}")
+            for s in refs:
+                print (s.path, s.survexdirectory, s.cave)     
         try:
             fin = open(fname, "r", encoding="utf8", newline="")
             svxtext = fin.read()
@@ -215,12 +234,12 @@ def svx(request, survex_file):
     """Displays a single survex file in an textarea window (using a javascript online editor to enable
     editing) with buttons which allow SAVE, check for DIFFerences from saved, and RUN (which runs the
     cavern executable and displays the output below the main textarea).
-    Requires CSRF to be set up correct;ly, and requires permission to write to  the filesystem.
+    Requires CSRF to be set up correctly, and requires permission to write to  the filesystem.
     """
     warning = False
 
     # get the basic data from the file given in the URL
-    dirname = os.path.split(survex_file)[0]
+    dirname = os.path.split(survex_file)[0] # replace with proper pathlib function..
     dirname += "/"
     nowtime = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
     outputtype = "normal"
@@ -273,11 +292,24 @@ def svx(request, survex_file):
     # print [ form.data['code'] ]
     svxincludes = re.findall(r"(?i)\*include\s+(\S+)", form.data["code"] or "")
 
+    svxfile = form.survexfile # only valid once form.GetDiscCode() called
+    try:
+        svxblocksall = svxfile.survexblock_set.all()
+    except AttributeError: # some survexfiles just *include files and have no blocks themselves
+        svxblocksall = []
+    svxblocks = []
+    for b in svxblocksall:
+        if b.date:
+            svxblocks.append(b)
+    print(f"{svxfile=} {svxblocks}")
+    
+
     vmap = {
         "settings": settings,
         "warning": warning,
         "has_3d": (Path(survexdatasetpath) / Path(survex_file + ".3d")).is_file(),
         "title": survex_file,
+        "svxblocks": svxblocks,
         "svxincludes": svxincludes,
         "difflist": difflist,
         "logmessage": logmessage,
@@ -521,7 +553,7 @@ def survexcavesingle(request, survex_cave):
 
 def check_cave_registered(area, survex_cave):
     """Checks whether a cave has been properly registered when it is found in the Loser repo
-    This should really be called by Databasereset not here in a view
+    This should really be called by databaseReset not here in a view
     Currently Caves are only registered if they are listed in :expoweb: settings.CAVEDESCRIPTIONS
     so we need to add in any more here.