#25 Public reports

* adds public report rendering for intervention model
* adds new routes for report
* adds new public_base.html and public_navbar.html
* adds lookup table for zoom levels for lanis link generating
* moves qr code generating into utils/generators.py

intervention/models.py

@@ -18,7 +18,7 @@ from codelist.settings import CODELIST_REGISTRATION_OFFICE_ID, CODELIST_CONSERVA
     CODELIST_PROCESS_TYPE_ID
 from konova.models import BaseObject, Geometry, UuidModel, BaseResource, AbstractDocument, \
     generate_document_file_upload_path
-from konova.settings import DEFAULT_SRID_RLP, LANIS_LINK_TEMPLATE
+from konova.settings import DEFAULT_SRID_RLP, LANIS_LINK_TEMPLATE, LANIS_ZOOM_LUT
 from konova.sub_settings.django_settings import DEFAULT_DATE_TIME_FORMAT
 from konova.utils import generators
 from user.models import UserActionLogEntry
@@ -361,7 +361,13 @@ class Intervention(BaseObject):
             geom = self.geometry.geom.transform(DEFAULT_SRID_RLP, clone=True)
             x = geom.centroid.x
             y = geom.centroid.y
-            zoom_lvl = 16
+            area = int(geom.envelope.area)
+            z_l = 16
+            for k_area, v_zoom in LANIS_ZOOM_LUT.items():
+                if k_area < area:
+                    z_l = v_zoom
+                    break
+            zoom_lvl = z_l
         except AttributeError:
             # If no geometry has been added, yet.
             x = 1