88 lines
2.1 KiB
Go
88 lines
2.1 KiB
Go
package database
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import (
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"Portifolio/internal/model"
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"database/sql"
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"fmt"
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_ "github.com/mattn/go-sqlite3"
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)
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func GetCompanyBySymbol(db *sql.DB, symbol string) (*model.Company, error) {
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var c model.Company
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err := db.QueryRow(
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`SELECT id, symbol, shares_outstanding, price, currency_id FROM companies WHERE symbol = ?`,
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symbol,
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).Scan(&c.ID, &c.Symbol, &c.SharesOutstanding, &c.Price, &c.CurrencyID)
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if err == sql.ErrNoRows {
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return nil, nil
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}
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if err != nil {
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return nil, fmt.Errorf("query company: %w", err)
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}
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return &c, nil
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}
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func GetCompanyByID(db *sql.DB, id int) (*model.Company, error) {
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var c model.Company
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err := db.QueryRow(
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`SELECT id, symbol, shares_outstanding, price, currency_id FROM companies WHERE id = ?`,
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id,
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).Scan(&c.ID, &c.Symbol, &c.SharesOutstanding, &c.Price, &c.CurrencyID)
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if err == sql.ErrNoRows {
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return nil, nil
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}
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if err != nil {
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return nil, fmt.Errorf("query company: %w", err)
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}
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return &c, nil
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}
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func AddCompany(db *sql.DB, input model.CompanyInput) (int, error) {
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if input.CurrencyID == 0 {
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if input.CurrencyCode != "" {
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currency, err := GetCurrencyByCode(db, input.CurrencyCode)
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if err != nil {
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return 0, fmt.Errorf("could not get currency: %s", err)
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}
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input.CurrencyID = currency.ID
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} else {
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return 0, fmt.Errorf("no currency reference")
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}
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}
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res, err := db.Exec(
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`INSERT INTO companies (symbol, shares_outstanding, price, currency_id) VALUES (?, ?, ?, ?)`,
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input.Symbol, input.SharesOutstanding, input.Price, input.CurrencyID,
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)
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if err != nil {
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return 0, fmt.Errorf("failed to insert: %s", err)
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}
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id, err := res.LastInsertId()
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return int(id), err
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}
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func GetAllCompanies(db *sql.DB) ([]model.Company, error) {
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rows, err := db.Query(`
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SELECT id, symbol, shares_outstanding, price, currency_id FROM companies
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`)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var companies []model.Company
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for rows.Next() {
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var c model.Company
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if err := rows.Scan(
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&c.ID, &c.Symbol, &c.SharesOutstanding, &c.Price, &c.CurrencyID,
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); err != nil {
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return nil, err
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}
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companies = append(companies, c)
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}
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return companies, rows.Err()
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}
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