feat: investment accounts

internal/db/migrations/00019_add_investment_tracking.sql

@@ -0,0 +1,50 @@
+-- +goose Up
+-- +goose StatementBegin
+ALTER TABLE accounts
+    ADD COLUMN is_investment BOOLEAN NOT NULL DEFAULT FALSE,
+    ADD COLUMN investment_subtype TEXT NULL;
+
+CREATE TABLE investment_contribution_rooms (
+    account_id TEXT NOT NULL REFERENCES accounts(id) ON DELETE CASCADE,
+    year INTEGER NOT NULL,
+    room_amount TEXT NOT NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    PRIMARY KEY (account_id, year)
+);
+
+CREATE TABLE investment_holdings (
+    id TEXT NOT NULL PRIMARY KEY,
+    account_id TEXT NOT NULL REFERENCES accounts(id) ON DELETE CASCADE,
+    symbol TEXT NOT NULL,
+    display_name TEXT NOT NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    UNIQUE (account_id, symbol)
+);
+
+CREATE TABLE investment_trades (
+    id TEXT NOT NULL PRIMARY KEY,
+    holding_id TEXT NOT NULL REFERENCES investment_holdings(id) ON DELETE CASCADE,
+    type TEXT NOT NULL,
+    quantity TEXT NOT NULL,
+    price_per_unit TEXT NOT NULL,
+    fees TEXT NULL,
+    occurred_at TIMESTAMP NOT NULL,
+    notes TEXT NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE INDEX idx_investment_trades_holding_id_occurred_at
+    ON investment_trades (holding_id, occurred_at);
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DROP TABLE investment_trades;
+DROP TABLE investment_holdings;
+DROP TABLE investment_contribution_rooms;
+ALTER TABLE accounts
+    DROP COLUMN investment_subtype,
+    DROP COLUMN is_investment;
+-- +goose StatementEnd