Init simple Go React blog with Goxygen

simple-blog/server/db/db.go

@@ -0,0 +1,36 @@
+package db
+
+import (
+	"database/sql"
+	"simple-blog/model"
+)
+
+type DB interface {
+	GetTechnologies() ([]*model.Technology, error)
+}
+
+type PostgresDB struct {
+	db *sql.DB
+}
+
+func NewDB(db *sql.DB) DB {
+	return PostgresDB{db: db}
+}
+
+func (d PostgresDB) GetTechnologies() ([]*model.Technology, error) {
+	rows, err := d.db.Query("select name, details from technologies")
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var tech []*model.Technology
+	for rows.Next() {
+		t := new(model.Technology)
+		err = rows.Scan(&t.Name, &t.Details)
+		if err != nil {
+			return nil, err
+		}
+		tech = append(tech, t)
+	}
+	return tech, nil
+}