feature(region): Capture center for places-derived regions

When a region is created from Google Places data, capture the center lat and lng, storing it with the Region data as `center_lat` and `center_lng`

TODO.md

@@ -11,15 +11,18 @@ Things look good so far. Below are the things we talked about and wanted to get
 # Things
 
 * Posts don't need tags right now [Done]
-* Ability to create locations for a business
-* Posts should be sortable by post.created_at and latest commented
+* Ability to create locations for a business [Done]
+* Ability to add new locations to an existing business
+* Posts should be sortable by `post.created_at` and latest commented
 * Posts should be the default view
 * Who commented and when they commented
 * Maybe make comments more distinct from the rest of the page?
 * Keep the business category information and founding information with the My Business page
 * Neighbors should show the other businesses in the same region
 ** Triggered from a click on MyBusiness.Location showing a list of them broken down by category
 * When a region is created, a GoogleBusiness search will find businesses in the region and email them
+* Capture the center for a Places-derived region [Done]
+* Estimate the center for a Business-derived region polygon
 
 # Features
 
@@ -40,6 +43,10 @@ rails g migration AddGooglePlacesToLocation places_id:string places_neighborhood
 rails g migration AddEmailToEmployee email:string
 ```
 
+```
+rails g migration AddGeoToRegion center_lat:decimal center_lng:decimal
+```
+
 ## Feature: Neighborhood creation [Done]
 
 When a business creates a location for itself and it isn't inside of any Region then the business should be allowed to draw a new region and be set as the leader of that region.

app/javascript/components/SignUp.vue

@@ -356,6 +356,8 @@ export default {
                                 let region = {
                                     name: location.places_neighborhood,
                                     points: JSON.stringify(regionBounds),
+                                    center_lat: vp.getCenter().lat(),
+                                    center_lng: vp.getCenter().lng(),
                                 }
                                 return this.$store.dispatch('createRegion', region)
                                 .then(r => {

db/migrate/20200419152704_add_geo_to_region.rb

@@ -0,0 +1,6 @@
+class AddGeoToRegion < ActiveRecord::Migration[6.0]
+  def change
+    add_column :regions, :center_lat, :decimal
+    add_column :regions, :center_lng, :decimal
+  end
+end

db/schema.rb

@@ -10,7 +10,10 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2020_04_17_141503) do
+ActiveRecord::Schema.define(version: 2020_04_19_152704) do
+
+  # These are extensions that must be enabled in order to support this database
+  enable_extension "plpgsql"
 
   create_table "business_group_members", force: :cascade do |t|
     t.integer "business_group_id", null: false
@@ -136,6 +139,8 @@
     t.text "points"
     t.datetime "created_at", precision: 6, null: false
     t.datetime "updated_at", precision: 6, null: false
+    t.decimal "center_lat"
+    t.decimal "center_lng"
   end
 
   create_table "socials", force: :cascade do |t|