feat: IP lookup (#1315)

- feature to store contact IP for accounts
- IP lookup through geocoder gem
- ability to do IP lookup through external APIs
- add commit hook to prevent push to develop and master
- migrations to fix default values for jsonb columns

config/features.yml

@@ -7,3 +7,5 @@
   enabled: true
 - name: channel_twitter
   enabled: true
+- name: ip_lookup
+  enabled: false

config/initializers/geocoder.rb

@@ -0,0 +1,32 @@
+# Geocoding options
+# timeout: 3,                 # geocoding service timeout (secs)
+# lookup: :nominatim,         # name of geocoding service (symbol)
+# ip_lookup: :ipinfo_io,      # name of IP address geocoding service (symbol)
+# language: :en,              # ISO-639 language code
+# use_https: false,           # use HTTPS for lookup requests? (if supported)
+# http_proxy: nil,            # HTTP proxy server (user:pass@host:port)
+# https_proxy: nil,           # HTTPS proxy server (user:pass@host:port)
+# api_key: nil,               # API key for geocoding service
+# cache: nil,                 # cache object (must respond to #[], #[]=, and #del)
+# cache_prefix: 'geocoder:',  # prefix (string) to use for all cache keys
+
+# Exceptions that should not be rescued by default
+# (if you want to implement custom error handling);
+# supports SocketError and Timeout::Error
+# always_raise: [],
+
+# Calculation options
+# units: :mi,                 # :km for kilometers or :mi for miles
+# distances: :linear          # :spherical or :linear
+
+module GeocoderConfiguration
+  LOOK_UP_DB = Rails.root.join('vendor/db/GeoLiteCity.mmdb')
+end
+
+if ENV['IP_LOOKUP_SERVICE'].present?
+  if ENV['IP_LOOKUP_SERVICE'] == 'geoip2'
+    Geocoder.configure(ip_lookup: :geoip2, geoip2: { file: GeocoderConfiguration::LOOK_UP_DB })
+  else
+    Geocoder.configure(ip_lookup: ENV['IP_LOOKUP_SERVICE'].to_sym, api_key: ENV['IP_LOOKUP_API_KEY'])
+  end
+end