# Coordinate validity check

* refactors coordinate validity check in generic base method
* introduces specific check for epsg:25832 (RLP)
* refactors check for epsg:4326 to use generic base method

konova/utils/geometry/geometry_validator.py

@@ -12,7 +12,7 @@ from django.contrib.gis.geos.prototypes.io import WKTWriter
 from django.utils.translation import gettext_lazy as _
 
 from konova.settings import GEOM_MAX_VERTICES
-from konova.sub_settings.lanis_settings import DEFAULT_SRID_RLP
+from konova.sub_settings.lanis_settings import DEFAULT_SRID_RLP, DEFAULT_SRID
 
 
 class GeometryProcessor:
@@ -50,7 +50,7 @@ class GeometryProcessor:
         return geometry.num_coords <= GEOM_MAX_VERTICES
 
     @staticmethod
-    def is_valid_4326(geometry):
+    def is_valid_4326(geometry: MultiPolygon) -> bool:
         """ Checks whether a given geometry's coordinates are in a valid range to be of EPSG:4326
 
         Args:
@@ -59,13 +59,66 @@ class GeometryProcessor:
         Returns:
             ret_val (bool): Whether the geometry is valid EPSG:4326
         """
+        assert geometry.srid == DEFAULT_SRID
+        return GeometryProcessor.is_valid_coord_area(
+            geometry,
+            -90.0,
+            90.0,
+            -180.0,
+            180.0,
+        )
+
+    @staticmethod
+    def is_valid_25832(geometry: MultiPolygon) -> bool:
+        """ Checks whether a given geometry's coordinates are in a valid range to be of EPSG:25832
+
+        Args:
+            geometry: The geometry
+
+        Returns:
+            ret_val (bool): Whether the geometry is valid EPSG:25832
+        """
+        assert geometry.srid == DEFAULT_SRID_RLP
+        return GeometryProcessor.is_valid_coord_area(
+            geometry,
+            166_000,
+            834_000,
+            0,
+            9_329_000,
+        )
+
+    @staticmethod
+    def is_valid_coord_area(geometry: MultiPolygon,
+                            min_x:float|int,
+                            max_x:float|int,
+                            min_y:float|int,
+                            max_y: float|int) -> bool:
+        """ Checks whether a given geometry's coordinates are in a valid range defined by input parameters
+
+        Args:
+            geometry: The geometry
+            min_x (float|int): The min x value
+            max_x (float|int): The max x value
+            min_y (float|int): The min y value
+            max_y (float|int): The max y value
+
+        Returns:
+            ret_val (bool): Whether the geometry's coordinates stays inside the defined range
+        """
         if not geometry.centroid.coords:
             # No coordinates at all found, therefore technically proper 4326
             return True
 
         try:
-            lat,lon = geometry.centroid.coords
+            env_min_x, env_max_x, env_min_y, env_max_y = geometry.envelope
-            return (-90.0 <= lat <= 90.0) and (-180.0 <= lon <= 180.0)
+
+            valid = (
+                    min_x <= env_min_x and
+                    env_max_x <= max_x and
+                    min_y <= env_min_y and
+                    env_max_y <= max_y
+            )
+            return valid
         except IndexError:
             return False