Entrance locations showing lat long screwups

core/models/caves.py

@@ -10,7 +10,7 @@ from django.template import loader
 
 import settings
 from troggle.core.models.logbooks import QM
-from troggle.core.models.survex import SurvexStation
+from troggle.core.models.survex import SurvexStation, utmToLatLng
 from troggle.core.models.troggle import DataIssue, TroggleModel
 from troggle.core.utils import TROG, writetrogglefile
 
@@ -123,7 +123,7 @@ class Cave(TroggleModel):
             pass
         else:
             self.official_name.lower()
-        return Path(settings.URL_ROOT) / self.url  # not good Django style.. NEEDS actual URL
+        return Path(settings.URL_ROOT) / self.url  # not good Django style? NEEDS actual URL
 
     def url_parent(self):
         if self.url:
@@ -232,7 +232,7 @@ class Entrance(TroggleModel):
     alt = models.TextField(blank=True, null=True)
     approach = models.TextField(blank=True, null=True)
     bearings = models.TextField(blank=True, null=True)
-    easting = models.TextField(blank=True, null=True)
+    easting = models.TextField(blank=True, null=True) # apparently? manually entered not calculated
     entrance_description = models.TextField(blank=True, null=True)
     exact_station = models.TextField(blank=True, null=True)
     explorers = models.TextField(blank=True, null=True)
@@ -240,14 +240,14 @@ class Entrance(TroggleModel):
     findability = models.CharField(max_length=1, choices=FINDABLE_CHOICES, blank=True, null=True)
     findability_description = models.TextField(blank=True, null=True)
     lastvisit = models.TextField(blank=True, null=True)
-    lat_wgs84 = models.TextField(blank=True, null=True)
+    lat_wgs84 = models.TextField(blank=True, null=True) # manually entered not calculated
     location_description = models.TextField(blank=True, null=True)
-    long_wgs84 = models.TextField(blank=True, null=True)
+    long_wgs84 = models.TextField(blank=True, null=True)  # manually entered not calculated
     map_description = models.TextField(blank=True, null=True)
     marking = models.CharField(max_length=2, choices=MARKING_CHOICES)
     marking_comment = models.TextField(blank=True, null=True)
     name = models.CharField(max_length=100, blank=True, null=True)
-    northing = models.TextField(blank=True, null=True)
+    northing = models.TextField(blank=True, null=True) # apparently? manually entered not calculated
     other_description = models.TextField(blank=True, null=True)
     other_station = models.TextField(blank=True, null=True)
     photo = models.TextField(blank=True, null=True)
@@ -410,6 +410,12 @@ class Entrance(TroggleModel):
                 return ""
              
     def latlong(self):
+        """Gets lat long assuming that it has to get it from the associated stations, but in fact the Entrance itself
+        has easting/northing and lat/long fields which perhaps we should try first...
+        """
+        if self.easting and self.northing:
+           return utmToLatLng(33, float(self.easting), float(self.northing), northernHemisphere=True)
+           
         station = None
         if self.other_station:
             try:
@@ -429,6 +435,17 @@ class Entrance(TroggleModel):
         if station:
             return station.latlong()
 
+    def lat(self):
+        if self.latlong():
+            return self.latlong()[0]
+        else:
+            return None
+        
+    def long(self):
+        if self.latlong():
+            return self.latlong()[1]
+        else:
+            return None
 
 def GetCaveLookup():
     """A very relaxed way of finding probably the right cave given almost any string which might serve to identify it