Store rent and charges currency as decimal (#247)

db/migrate/20220126101743_change_currency_types.rb

@@ -0,0 +1,39 @@
+class ChangeCurrencyTypes < ActiveRecord::Migration[7.0]
+  def up
+    change_table :case_logs, bulk: true do |t|
+      t.remove :brent
+      t.column :brent, :decimal, precision: 10, scale: 2
+      t.remove :scharge
+      t.column :scharge, :decimal, precision: 10, scale: 2
+      t.remove :pscharge
+      t.column :pscharge, :decimal, precision: 10, scale: 2
+      t.remove :supcharg
+      t.column :supcharg, :decimal, precision: 10, scale: 2
+      t.remove :tcharge
+      t.column :tcharge, :decimal, precision: 10, scale: 2
+      t.remove :tshortfall
+      t.column :tshortfall, :decimal, precision: 10, scale: 2
+      t.remove :chcharge
+      t.column :chcharge, :decimal, precision: 10, scale: 2
+    end
+  end
+
+  def down
+    change_table :case_logs, bulk: true do |t|
+      t.remove :brent
+      t.column :brent, :integer
+      t.remove :scharge
+      t.column :scharge, :integer
+      t.remove :pscharge
+      t.column :pscharge, :integer
+      t.remove :supcharg
+      t.column :supcharg, :integer
+      t.remove :tcharge
+      t.column :tcharge, :integer
+      t.remove :tshortfall
+      t.column :tshortfall, :integer
+      t.remove :chcharge
+      t.column :chcharge, :integer
+    end
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2022_01_24_121642) do
+ActiveRecord::Schema.define(version: 2022_01_26_101743) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -177,14 +177,14 @@ ActiveRecord::Schema.define(version: 2022_01_24_121642) do
     t.integer "letting_in_sheltered_accomodation"
     t.integer "household_charge"
     t.integer "earnings"
-    t.integer "brent"
-    t.integer "scharge"
-    t.integer "pscharge"
-    t.integer "supcharg"
-    t.integer "tcharge"
-    t.integer "tshortfall"
-    t.integer "chcharge"
     t.integer "referral"
+    t.decimal "brent", precision: 10, scale: 2
+    t.decimal "scharge", precision: 10, scale: 2
+    t.decimal "pscharge", precision: 10, scale: 2
+    t.decimal "supcharg", precision: 10, scale: 2
+    t.decimal "tcharge", precision: 10, scale: 2
+    t.decimal "tshortfall", precision: 10, scale: 2
+    t.decimal "chcharge", precision: 10, scale: 2
     t.index ["discarded_at"], name: "index_case_logs_on_discarded_at"
     t.index ["managing_organisation_id"], name: "index_case_logs_on_managing_organisation_id"
     t.index ["owning_organisation_id"], name: "index_case_logs_on_owning_organisation_id"