Simplify self host settings controller (#1230)

app/models/concerns/providable.rb

@@ -18,13 +18,12 @@ module Providable
       Provider::Github.new
     end
 
+    def synth_provider
+      api_key = self_hosted? ? Setting.synth_api_key : ENV["SYNTH_API_KEY"]
+      api_key.present? ? Provider::Synth.new(api_key) : nil
+    end
+
     private
-
-      def synth_provider
-        api_key = self_hosted? ? Setting.synth_api_key : ENV["SYNTH_API_KEY"]
-        api_key.present? ? Provider::Synth.new(api_key) : nil
-      end
-
       def self_hosted?
         Rails.application.config.app_mode.self_hosted?
       end

app/models/family.rb

@@ -1,4 +1,6 @@
 class Family < ApplicationRecord
+  include Providable
+
   has_many :users, dependent: :destroy
   has_many :tags, dependent: :destroy
   has_many :accounts, dependent: :destroy
@@ -119,4 +121,8 @@ class Family < ApplicationRecord
   def needs_sync?
     last_synced_at.nil? || last_synced_at.to_date < Date.current
   end
+
+  def synth_usage
+    self.class.synth_provider&.usage
+  end
 end

app/models/provider/synth.rb

@@ -9,6 +9,38 @@ class Provider::Synth
     response = client.get("#{base_url}/user")
     JSON.parse(response.body).dig("id").present?
   end
+  def usage
+    response = client.get("#{base_url}/user")
+
+    if response.status == 401
+      return UsageResponse.new(
+        success?: false,
+        error: "Unauthorized: Invalid API key",
+        raw_response: response
+      )
+    end
+
+    parsed = JSON.parse(response.body)
+
+    remaining = parsed.dig("api_calls_remaining")
+    limit = parsed.dig("api_limit")
+    used = limit - remaining
+
+    UsageResponse.new(
+      used: used,
+      limit: limit,
+      utilization: used.to_f / limit * 100,
+      plan: parsed.dig("plan"),
+      success?: true,
+      raw_response: response
+    )
+  rescue StandardError => error
+    UsageResponse.new(
+      success?: false,
+      error: error,
+      raw_response: error
+    )
+  end
 
   def fetch_security_prices(ticker:, start_date:, end_date:)
     prices = paginate(
@@ -96,6 +128,7 @@ class Provider::Synth
     ExchangeRateResponse = Struct.new :rate, :success?, :error, :raw_response, keyword_init: true
     SecurityPriceResponse = Struct.new :prices, :success?, :error, :raw_response, keyword_init: true
     ExchangeRatesResponse = Struct.new :rates, :success?, :error, :raw_response, keyword_init: true
+    UsageResponse = Struct.new :used, :limit, :utilization, :plan, :success?, :error, :raw_response, keyword_init: true
 
     def base_url
       "https://api.synthfinance.com"

app/models/setting.rb

@@ -17,21 +17,7 @@ class Setting < RailsSettings::Base
         default: ENV.fetch("UPGRADES_TARGET", "release"),
         validates: { inclusion: { in: %w[release commit] } }
 
-  field :app_domain, type: :string, default: ENV["APP_DOMAIN"]
-  field :email_sender, type: :string, default: ENV["EMAIL_SENDER"]
-
   field :synth_api_key, type: :string, default: ENV["SYNTH_API_KEY"]
 
   field :require_invite_for_signup, type: :boolean, default: false
-
-  scope :smtp_settings do
-    field :smtp_host, type: :string, read_only: true, default: ENV["SMTP_ADDRESS"]
-    field :smtp_port, type: :string, read_only: true, default: ENV["SMTP_PORT"]
-    field :smtp_username, type: :string, read_only: true, default: ENV["SMTP_USERNAME"]
-    field :smtp_password, type: :string, read_only: true, default: ENV["SMTP_PASSWORD"]
-  end
-
-  def self.smtp_settings_populated?
-    Setting.defined_fields.select { |f| f.scope == :smtp_settings }.map(&:read).all?(&:present?)
-  end
 end