Extend wallets by cave report

core/models/caves.py

@@ -26,6 +26,14 @@ from django.shortcuts import render
 from troggle.core.models.troggle import TroggleModel, Person, Expedition, DataIssue
 from troggle.core.models.survex import SurvexStation
 from troggle.core.utils import writetrogglefile
+from troggle.core.utils import TROG
+
+# Us ethe TROG global object to cache teh cave lookup list
+Gcavelookup = TROG['caves']['gcavelookup']
+Gcave_count = TROG['caves']['gcavecount']
+
+Gcavelookup = None
+Gcave_count = None
 
 '''The model declarations for Areas, Caves and Entrances. Also LogBookENtry, QM, PersonTrip
 '''
@@ -564,8 +572,6 @@ class PersonTrip(TroggleModel):
         return f'{self.personexpedition} ({self.logbook_entry.date})'
 
 
-Gcavelookup = None
-Gcave_count = None
 def GetCaveLookup():
     """A very relaxed way of finding probably the right cave given almost any string which might serve to identify it
     

core/models/survex.py

@@ -1,6 +1,8 @@
 import os
-from urllib.parse import urljoin
 import re
+import json
+from urllib.parse import urljoin
+from pathlib import Path
 
 from django.db import models
 from django.conf import settings
@@ -160,6 +162,9 @@ class SurvexPersonRole(models.Model):
         return str(self.person) + " - " + str(self.survexblock) 
 
 class Wallet(models.Model):
+    '''We do not keep the JSON values in the database, we query them afresh each time,
+    but we will change this when we need to do a Django query on e.g. personame
+    '''
     fpath               = models.CharField(max_length=200)
     walletname          = models.CharField(max_length=200)
     
@@ -169,6 +174,31 @@ class Wallet(models.Model):
     def get_absolute_url(self):
         return urljoin(settings.URL_ROOT, reverse('singlewallet', kwargs={"path":re.sub("#", "%23", self.walletname)}))
 
+    def get_json(self):
+        jsonfile = Path(self.fpath, 'contents.json')
+        if not Path(jsonfile).is_file():
+            print(f'{jsonfile} is not a file')
+            return None
+        else:
+            with open(jsonfile) as json_f:
+                try:
+                    waldata = json.load(json_f)
+                except:
+                    wurl = f"/scanupload/{self.walletname}" # .replace('#', ':')     
+                    message = f"! {str(self.walletname)} Failed to load {jsonfile} JSON file"
+                    print(message)
+                    raise
+
+        return waldata
+
+    def date(self):
+        jsondata = self.get_json()
+        return jsondata["date"]
+        
+    def name(self):
+        jsondata = self.get_json()
+        return jsondata["name"]
+        
     def __str__(self):
         return str(self.walletname) + " (Wallet)"
 
@@ -189,7 +219,7 @@ class SingleScan(models.Model):
 class DrawingFile(models.Model):
     dwgpath          = models.CharField(max_length=200)
     dwgname          = models.CharField(max_length=200)
-    manywallets      = models.ManyToManyField("Wallet") # implicitly links via folders to scans to SVX files
+    dwgwallets       = models.ManyToManyField("Wallet") # implicitly links via folders to scans to SVX files
     scans            = models.ManyToManyField("SingleScan")  # implicitly links via scans to SVX files
     dwgcontains      = models.ManyToManyField("DrawingFile")  # case when its a frame type
     filesize         = models.IntegerField(default=0)