First pass of authentication

providers/db/gen/sqlgen/users.sql.go

@@ -25,8 +25,19 @@ func (q *Queries) InsertUser(ctx context.Context, arg InsertUserParams) (int64,
 	return id, err
 }
 
+const selectUserByID = `-- name: SelectUserByID :one
+SELECT id, username, password FROM users WHERE id = ? LIMIT 1
+`
+
+func (q *Queries) SelectUserByID(ctx context.Context, id int64) (User, error) {
+	row := q.db.QueryRowContext(ctx, selectUserByID, id)
+	var i User
+	err := row.Scan(&i.ID, &i.Username, &i.Password)
+	return i, err
+}
+
 const selectUserByUsername = `-- name: SelectUserByUsername :one
-SELECT id, username, password FROM users WHERE username = ?
+SELECT id, username, password FROM users WHERE username = ? LIMIT 1
 `
 
 func (q *Queries) SelectUserByUsername(ctx context.Context, username string) (User, error) {

providers/db/users.go

@@ -14,16 +14,16 @@ func (db *Provider) SelectUserByUsername(ctx context.Context, username string) (
 		return models.User{}, err
 	}
 
-	pwdBytes, err := base64.StdEncoding.DecodeString(res.Password)
+	return dbUserToUser(res)
+}
+
+func (db *Provider) SelectUserByID(ctx context.Context, userID int64) (models.User, error) {
+	res, err := db.queries.SelectUserByID(ctx, userID)
 	if err != nil {
 		return models.User{}, err
 	}
 
-	return models.User{
-		ID:             res.ID,
-		Username:       res.Username,
-		PasswordHashed: pwdBytes,
-	}, nil
+	return dbUserToUser(res)
 }
 
 func (db *Provider) SaveUser(ctx context.Context, user *models.User) error {
@@ -47,3 +47,16 @@ func (db *Provider) SaveUser(ctx context.Context, user *models.User) error {
 		Password: hashedPassword,
 	})
 }
+
+func dbUserToUser(res sqlgen.User) (models.User, error) {
+	pwdBytes, err := base64.StdEncoding.DecodeString(res.Password)
+	if err != nil {
+		return models.User{}, err
+	}
+
+	return models.User{
+		ID:             res.ID,
+		Username:       res.Username,
+		PasswordHashed: pwdBytes,
+	}, nil
+}