114 lines
3.7 KiB
Go
114 lines
3.7 KiB
Go
package database
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import (
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"database/sql"
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"fmt"
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"log"
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_ "github.com/mattn/go-sqlite3"
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)
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func InitDB(db *sql.DB) {
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schema := `
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CREATE TABLE IF NOT EXISTS currencies (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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code TEXT NOT NULL UNIQUE,
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name TEXT NOT NULL
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);
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CREATE TABLE IF NOT EXISTS trades (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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symbol TEXT NOT NULL,
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currency_code TEXT NOT NULL,
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shares INTEGER NOT NULL,
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product INTEGER NOT NULL CHECK(product IN (0, 1, 2, 3)),
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type INTEGER NOT NULL CHECK(type IN (0, 1)),
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price REAL NOT NULL,
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traded_at DATETIME NOT NULL
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);
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CREATE TABLE IF NOT EXISTS position (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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company_id INTEGER NOT NULL UNIQUE,
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symbol TEXT NOT NULL,
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currency_id INTEGER NOT NULL,
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currency_code TEXT NOT NULL,
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shares INTEGER NOT NULL,
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weight REAL NOT NULL,
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cost_basis REAL NOT NULL,
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FOREIGN KEY (currency_id) REFERENCES currencies(id),
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FOREIGN KEY (company_id) REFERENCES companies(id)
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);
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CREATE TABLE IF NOT EXISTS companies (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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symbol TEXT NOT NULL UNIQUE,
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shares_outstanding INTEGER NOT NULL,
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price REAL NOT NULL,
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currency_id INTEGER NOT NULL,
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FOREIGN KEY (currency_id) REFERENCES currencies(id)
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);
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CREATE TABLE IF NOT EXISTS periods (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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type TEXT NOT NULL CHECK(type IN ('Q', 'H', 'Y')),
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year INTEGER NOT NULL,
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idx INTEGER NOT NULL,
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start_date TEXT NOT NULL,
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end_date TEXT NOT NULL,
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UNIQUE(type, year, idx)
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);
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CREATE TABLE IF NOT EXISTS category (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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company_id INTEGER NOT NULL,
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parent_id INTEGER,
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name TEXT NOT NULL,
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FOREIGN KEY (company_id) REFERENCES companies(id),
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FOREIGN KEY (parent_id) REFERENCES category(id),
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UNIQUE(company_id, name)
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);
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-- parent table
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CREATE TABLE closed_positions (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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symbol TEXT NOT NULL,
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currency_code TEXT NOT NULL,
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product TEXT NOT NULL,
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open_time DATETIME NOT NULL,
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realized_gain REAL,
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tax_amount REAL,
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holding_days INTEGER
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);
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-- child table, one row per close lot
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CREATE TABLE close_entries (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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closed_position_id INTEGER NOT NULL REFERENCES closed_positions(id),
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shares INTEGER NOT NULL,
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in_price REAL NOT NULL,
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out_price REAL NOT NULL,
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gain_price REAL NOT NULL,
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close_time DATETIME NOT NULL
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);
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CREATE TABLE IF NOT EXISTS revenue_entries (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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company_id INTEGER NOT NULL,
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currency_id INTEGER NOT NULL,
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category_id INTEGER NOT NULL,
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period_id INTEGER NOT NULL,
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value REAL NOT NULL,
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FOREIGN KEY (company_id) REFERENCES companies(id),
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FOREIGN KEY (currency_id) REFERENCES currencies(id),
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FOREIGN KEY (category_id) REFERENCES category(id),
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FOREIGN KEY (period_id) REFERENCES periods(id),
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UNIQUE(company_id, category_id, period_id)
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);`
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if _, err := db.Exec(schema); err != nil {
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log.Fatal("Failed to create tables:", err)
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}
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fmt.Println("Tables ready")
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}
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