Add data migration gem (#42)

* Add data migration gem

* Add federal tax data migration

* Add income data migration

* Create income data migration

* Lint

* Add savings migration.

* Update savings migration. Reset db.

* Fix hourly income rate in data migration.

Gemfile

@@ -52,6 +52,8 @@ gem "money-rails"
 
 gem "net-http"
 
+gem "data_migrate"
+
 group :development, :test do
   gem "capybara"
   gem "factory_bot_rails"

Gemfile.lock

@@ -88,6 +88,9 @@ GEM
     coderay (1.1.3)
     concurrent-ruby (1.2.2)
     crass (1.0.6)
+    data_migrate (9.4.0)
+      activerecord (>= 6.1)
+      railties (>= 6.1)
     date (3.3.3)
     diff-lcs (1.5.0)
     docile (1.4.0)
@@ -302,6 +305,7 @@ DEPENDENCIES
   annotate
   bootsnap
   capybara
+  data_migrate
   factory_bot_rails
   faker
   importmap-rails

db/data/20240711124610_create_tax_tables.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class CreateTaxTables < ActiveRecord::Migration[7.0]
+  def up
+    FederalTaxBracket.create(tier: "Tier 1", bottom_range: 0, top_range: 23_200, rate: 0.1, cumulative: 0)
+    FederalTaxBracket.create(tier: "Tier 2", bottom_range: 23_001, top_range: 94_300, rate: 0.12, cumulative: 2_320)
+    FederalTaxBracket.create(tier: "Tier 3", bottom_range: 94_301, top_range: 201_050, rate: 0.22, cumulative: 10_852)
+    FederalTaxBracket.create(tier: "Tier 4", bottom_range: 201_051, top_range: 383_900, rate: 0.24, cumulative: 34_337)
+    FederalTaxBracket.create(tier: "Tier 5", bottom_range: 383_901, top_range: 487_450, rate: 0.32, cumulative: 78_221)
+    FederalTaxBracket.create(tier: "Tier 6", bottom_range: 487_451, top_range: 731_200, rate: 0.35, cumulative: 111_357)
+    FederalTaxBracket.create(tier: "Tier 7", bottom_range: 731_201, top_range: 10_000_000, rate: 0.35, cumulative: 196_669)
+  end
+
+  def down
+    raise ActiveRecord::IrreversibleMigration
+  end
+end

db/data/20240711125841_create_incomes.rb

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+class CreateIncomes < ActiveRecord::Migration[7.0]
+  def up
+    Income.create(income_type: "Salary", rate: 100000, hours: 40, weekly_income: 1923.08)
+    Income.create(income_type: "Hourly", rate: 47, hours: 40, weekly_income: 1880.0)
+  end
+
+  def down
+    raise ActiveRecord::IrreversibleMigration
+  end
+end

db/data/20240711130514_create_expense.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+class CreateExpense < ActiveRecord::Migration[7.0]
+  def up
+    FixedExpense.create(expense_name: "Rent", annual_cost: 12000, monthly_cost: 100, bi_weekly_cost: 461.54)
+  end
+
+  def down
+    raise ActiveRecord::IrreversibleMigration
+  end
+end

db/data/20240711132613_create_savings_rates.rb

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+class CreateSavingsRates < ActiveRecord::Migration[7.0]
+  def up
+    SavingsRate.create(name: "savings", rate: 0.02)
+    SavingsRate.create(name: "investing", rate: 0.02)
+  end
+
+  def down
+    raise ActiveRecord::IrreversibleMigration
+  end
+end

db/data_schema.rb

@@ -0,0 +1 @@
+DataMigrate::Data.define(version: 20240711132613)