37 lines
630 B
Go
37 lines
630 B
Go
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package db
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import (
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"database/sql"
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"simple-blog/model"
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)
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type DB interface {
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GetTechnologies() ([]*model.Technology, error)
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}
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type PostgresDB struct {
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db *sql.DB
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}
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func NewDB(db *sql.DB) DB {
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return PostgresDB{db: db}
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}
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func (d PostgresDB) GetTechnologies() ([]*model.Technology, error) {
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rows, err := d.db.Query("select name, details from technologies")
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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 tech []*model.Technology
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for rows.Next() {
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t := new(model.Technology)
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err = rows.Scan(&t.Name, &t.Details)
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if err != nil {
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return nil, err
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}
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tech = append(tech, t)
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}
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return tech, nil
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}
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