Files
Portfolio-Engine/internal/database/main.go
2026-03-24 12:09:19 +01:00

84 lines
2.6 KiB
Go

package database
import (
"database/sql"
"fmt"
"log"
_ "github.com/mattn/go-sqlite3"
)
func InitDB(db *sql.DB) {
schema := `
CREATE TABLE IF NOT EXISTS currencies (
id INTEGER PRIMARY KEY AUTOINCREMENT,
code TEXT NOT NULL UNIQUE,
name TEXT NOT NULL
);
CREATE TABLE IF NOT EXISTS companies (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL UNIQUE,
shares_outstanding INTEGER NOT NULL,
price REAL NOT NULL,
currency_id INTEGER NOT NULL,
FOREIGN KEY (currency_id) REFERENCES currencies(id)
);
CREATE TABLE IF NOT EXISTS periods (
id INTEGER PRIMARY KEY AUTOINCREMENT,
type TEXT NOT NULL CHECK(type IN ('Q', 'H', 'Y')),
year INTEGER NOT NULL,
idx INTEGER NOT NULL,
start_date TEXT NOT NULL,
end_date TEXT NOT NULL,
UNIQUE(type, year, idx)
);
CREATE TABLE IF NOT EXISTS revenue_reports (
id INTEGER PRIMARY KEY AUTOINCREMENT,
company_id INTEGER NOT NULL,
period_id INTEGER NOT NULL,
FOREIGN KEY (company_id) REFERENCES companies(id),
FOREIGN KEY (period_id) REFERENCES periods(id),
UNIQUE(company_id, period_id)
);
CREATE TABLE IF NOT EXISTS revenue_entries (
id INTEGER PRIMARY KEY AUTOINCREMENT,
report_id INTEGER NOT NULL,
currency_id INTEGER NOT NULL,
category TEXT NOT NULL CHECK(category IN ('product', 'location', 'total')),
label TEXT NOT NULL,
value REAL NOT NULL,
FOREIGN KEY (report_id) REFERENCES revenue_reports(id),
FOREIGN KEY (currency_id) REFERENCES currencies(id)
);
-- one row per category type per company
-- e.g. Apple has "product" and "location"
CREATE TABLE IF NOT EXISTS category_defs (
id INTEGER PRIMARY KEY AUTOINCREMENT,
company_id INTEGER NOT NULL,
name TEXT NOT NULL,
FOREIGN KEY (company_id) REFERENCES companies(id),
UNIQUE(company_id, name)
);
-- the actual labels belonging to each category
-- e.g. category_def "product" → "iPhone", "Mac", "Services"
CREATE TABLE IF NOT EXISTS category_labels (
id INTEGER PRIMARY KEY AUTOINCREMENT,
category_def_id INTEGER NOT NULL,
label TEXT NOT NULL,
FOREIGN KEY (category_def_id) REFERENCES category_defs(id),
UNIQUE(category_def_id, label)
);
`
if _, err := db.Exec(schema); err != nil {
log.Fatal("Failed to create tables:", err)
}
fmt.Println("Tables ready")
}