From a05222260de530d44980931badc2db41fe4b6cb6 Mon Sep 17 00:00:00 2001
From: QuentinAndre <quentin.andre@imt-atlantique.net>
Date: Tue, 6 Jul 2021 17:57:21 +0200
Subject: get_geo_items + test

---
 ishtar_common/models_common.py | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

(limited to 'ishtar_common/models_common.py')

diff --git a/ishtar_common/models_common.py b/ishtar_common/models_common.py
index db7e77ce0..bb1fd4e19 100644
--- a/ishtar_common/models_common.py
+++ b/ishtar_common/models_common.py
@@ -22,6 +22,7 @@ from django.conf import settings
 from django.contrib.auth.models import User, Group
 from django.contrib.contenttypes.models import ContentType
 from django.contrib.gis.db import models
+from django.contrib.gis.geos import GEOSGeometry
 from django.contrib.postgres.fields import JSONField
 from django.contrib.postgres.search import SearchVectorField, SearchVector
 from django.contrib.sites.models import Site
@@ -2846,6 +2847,44 @@ class GeoItem(models.Model):
         if self.multi_polygon_source == "P" and self.multi_polygon:
             return self.multi_polygon, self.multi_polygon_source_item
 
+    def get_geo_items(self, get_polygons=False, rounded=True):
+        dict = {}
+        if get_polygons and self.multi_polygon:
+            i = 0
+            for polygon in self.multi_polygon:
+                i += 1
+                for linearRing in range(len(polygon)):
+                    if linearRing == 0:
+                        key = "external"
+                    else:
+                        key = "internal"
+                    key += "Polygon" + str(i)
+                    dict[key] = []
+                    for coords in polygon[linearRing]:
+                        point_2d = GEOSGeometry("POINT({} {})".format(coords[0], coords[1]), srid=self.multi_polygon.srid)
+                        dict[key].append(self.convert_coordinates(point_2d, rounded))
+        else:
+            dict["centroid"] = self.display_coordinates
+        return dict
+
+    def convert_coordinates(self, point_2d, rounded):
+        profile = get_current_profile()
+        if (
+                not profile.display_srs
+                or not profile.display_srs.srid
+                or (
+                profile.display_srs == self.spatial_reference_system
+                and point_2d.x
+                and point_2d.y)
+        ):
+            x, y = point_2d.x, point_2d.y
+        else:
+            point = point_2d.transform(profile.display_srs.srid, clone=True)
+            x, y = point.x, point.y
+        if rounded:
+            return round(x, 5), round(y, 5)
+        return x, y
+
     def most_precise_geo(self):
         if self.point_source == "M":
             return "multi_polygon"
-- 
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