Leons Aleksandrovs
64 lines
1.4 KiB
Go
64 lines
1.4 KiB
Go
package cover
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import (
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"backend/db"
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"context"
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"time"
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)
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type Cover struct {
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ID int `json:"id"`
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UserID int `json:"user_id"`
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Name string `json:"name"`
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Letter string `json:"letter"`
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CreatedAt time.Time `json:"created_at"`
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}
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func Get(where string, args ...any) ([]Cover, error) {
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// Create timeout context
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ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
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defer cancel()
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// Build query and execute
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query := `SELECT * FROM cover_letters`
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if where != "" {
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query += " WHERE " + where
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}
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rows, err := db.Pool.Query(ctx, query, args...)
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// Query executes query instantly, and returns error instantly
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// Not like QueryRow, which executes query only on row.Scan
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if err != nil {
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return nil, err
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}
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// need to tell database to close the rows connection
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// and free up resources
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defer rows.Close()
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// Prepeare results now
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var results []Cover
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for rows.Next() {
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var t Cover
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if err := rows.Scan(&t.ID, &t.UserID, &t.Name, &t.Letter, &t.CreatedAt); err != nil {
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return nil, err
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}
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results = append(results, t)
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}
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return results, nil
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}
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func Create(name string, letter string, userId float64) error {
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ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
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defer cancel()
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// build query
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query := `INSERT INTO cover_letters (name, letter, user_id) VALUES ($1, $2, $3)`
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// execute query
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_, err := db.Pool.Exec(ctx, query, name, letter, userId)
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return err
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}
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