Investment Portfolio Sync (#974)

* Add investment portfolio models

* Add portfolio to demo data

* Setup initial tests

* Rough sketch of sync logic

* Clean up trade sync logic

* Add trade validation

* Integrate trades into sync process

db/migrate/20240710182529_create_securities.rb

@@ -0,0 +1,11 @@
+class CreateSecurities < ActiveRecord::Migration[7.2]
+  def change
+    create_table :securities, id: :uuid do |t|
+      t.string :isin, null: false
+      t.string :symbol
+      t.string :name
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20240710182728_create_security_prices.rb

@@ -0,0 +1,12 @@
+class CreateSecurityPrices < ActiveRecord::Migration[7.2]
+  def change
+    create_table :security_prices, id: :uuid do |t|
+      t.string :isin
+      t.date :date
+      t.decimal :price, precision: 19, scale: 4
+      t.string :currency, default: "USD"
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20240710184048_create_account_trades.rb

@@ -0,0 +1,11 @@
+class CreateAccountTrades < ActiveRecord::Migration[7.2]
+  def change
+    create_table :account_trades, id: :uuid do |t|
+      t.references :security, null: false, foreign_key: true, type: :uuid
+      t.decimal :qty, precision: 19, scale: 4
+      t.decimal :price, precision: 19, scale: 4
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20240710184249_create_account_holdings.rb

@@ -0,0 +1,17 @@
+class CreateAccountHoldings < ActiveRecord::Migration[7.2]
+  def change
+    create_table :account_holdings, id: :uuid do |t|
+      t.references :account, null: false, foreign_key: true, type: :uuid
+      t.references :security, null: false, foreign_key: true, type: :uuid
+      t.date :date
+      t.decimal :qty, precision: 19, scale: 4
+      t.decimal :price, precision: 19, scale: 4
+      t.decimal :amount, precision: 19, scale: 4
+      t.string :currency
+
+      t.timestamps
+    end
+
+    add_index :account_holdings, %i[account_id security_id date currency], unique: true
+  end
+end