Add map support

This commit creates a dedicated Map model and
moves the JavaScript from view to a Stimulus controller.

- Stimulus.js https://stimulusjs.org
- Leaflet.js  https://leafletjs.org

Upcoming resources:
- https://discourse.stimulusjs.org/t/leafletjs-with-stimulusjs-on-rails-6/1343/4
- https://github.com/ghybs/leaflet-defaulticon-compatibility

1 files changed, 14 insertions, 0 deletions

diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 0b22f4b..aa3a8d7 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -7,4 +7,18 @@ module ApplicationHelper
       current_agency.send(:"#{role}?")
     end
   end
+
+  def map_container(map = Map.first)
+    raw tag.div(
+          tag.div(id: 'map',
+                  data: {
+                    target: 'map.container'
+                  }),
+          data: {
+            controller: 'map',
+            'map-latitude': map.latitude,
+            'map-longitude': map.longitude,
+            'map-zoom': map.zoom
+          })
+  end
 end