Add initial database setup and user/artist management functionality

api/repository/user_repository.go

@@ -0,0 +1,29 @@
+package repository
+
+import (
+	"context"
+	db "zardzul/music-index/sqlc"
+
+	"github.com/jackc/pgx/v5/pgtype"
+)
+
+type UserRepository interface {
+	CreateUser(ctx context.Context, arg db.CreateUserParams) (pgtype.UUID, error)
+	GetUsernameByID(ctx context.Context, id pgtype.UUID) (string, error)
+}
+
+type SQLCUserRepository struct {
+	q *db.Queries
+}
+
+func NewUserRepository(q *db.Queries) *SQLCUserRepository {
+	return &SQLCUserRepository{q: q}
+}
+
+func (r *SQLCUserRepository) CreateUser(ctx context.Context, arg db.CreateUserParams) (pgtype.UUID, error) {
+	return r.q.CreateUser(ctx, arg)
+}
+
+func (r *SQLCUserRepository) GetUsernameByID(ctx context.Context, id pgtype.UUID) (string, error) {
+	return r.q.GetUsernameByID(ctx, id)
+}