created dummy API routes, passing API test

backend/database.go

@@ -103,3 +103,167 @@ func createTables(db *sql.DB) error {
 
 	return nil
 }
+
+// User represents a row in the users table.
+type User struct {
+	UserID       string
+	RootObjectID string
+}
+
+// CreateUser inserts a new user into the users table.
+func CreateUser(userID, rootObjectID string) error {
+	_, err := DB.Exec(
+		"INSERT INTO users (userId, rootObjectId) VALUES (?, ?)",
+		userID, rootObjectID,
+	)
+	if err != nil {
+		return fmt.Errorf("failed to create user: %w", err)
+	}
+	return nil
+}
+
+// GetUser retrieves a user by ID.
+func GetUser(userID string) (User, error) {
+	var user User
+	err := DB.QueryRow(
+		"SELECT userId, rootObjectId FROM users WHERE userId = ?",
+		userID,
+	).Scan(&user.UserID, &user.RootObjectID)
+	if err != nil {
+		if err == sql.ErrNoRows {
+			return User{}, fmt.Errorf("user not found")
+		}
+		return User{}, fmt.Errorf("failed to get user: %w", err)
+	}
+	return user, nil
+}
+
+// UpdateUser updates the rootObjectId for a user.
+func UpdateUser(userID, rootObjectID string) error {
+	result, err := DB.Exec(
+		"UPDATE users SET rootObjectId = ? WHERE userId = ?",
+		rootObjectID, userID,
+	)
+	if err != nil {
+		return fmt.Errorf("failed to update user: %w", err)
+	}
+	rows, err := result.RowsAffected()
+	if err != nil {
+		return fmt.Errorf("failed to check update result: %w", err)
+	}
+	if rows == 0 {
+		return fmt.Errorf("user not found")
+	}
+	return nil
+}
+
+// DeleteUser removes a user by ID.
+func DeleteUser(userID string) error {
+	result, err := DB.Exec("DELETE FROM users WHERE userId = ?", userID)
+	if err != nil {
+		return fmt.Errorf("failed to delete user: %w", err)
+	}
+	rows, err := result.RowsAffected()
+	if err != nil {
+		return fmt.Errorf("failed to check delete result: %w", err)
+	}
+	if rows == 0 {
+		return fmt.Errorf("user not found")
+	}
+	return nil
+}
+
+// Object represents a row in the objects table.
+type Object struct {
+	ObjectID   string
+	UserID     string
+	ObjectData string
+}
+
+// CreateObject inserts a new object into the objects table.
+func CreateObject(objectID, userID, objectData string) error {
+	_, err := DB.Exec(
+		"INSERT INTO objects (objectId, userId, objectData) VALUES (?, ?, ?)",
+		objectID, userID, objectData,
+	)
+	if err != nil {
+		return fmt.Errorf("failed to create object: %w", err)
+	}
+	return nil
+}
+
+// GetObject retrieves an object by ID.
+func GetObject(objectID string) (Object, error) {
+	var obj Object
+	err := DB.QueryRow(
+		"SELECT objectId, userId, objectData FROM objects WHERE objectId = ?",
+		objectID,
+	).Scan(&obj.ObjectID, &obj.UserID, &obj.ObjectData)
+	if err != nil {
+		if err == sql.ErrNoRows {
+			return Object{}, fmt.Errorf("object not found")
+		}
+		return Object{}, fmt.Errorf("failed to get object: %w", err)
+	}
+	return obj, nil
+}
+
+// GetObjectsByUser retrieves all objects belonging to a user.
+func GetObjectsByUser(userID string) ([]Object, error) {
+	rows, err := DB.Query(
+		"SELECT objectId, userId, objectData FROM objects WHERE userId = ?",
+		userID,
+	)
+	if err != nil {
+		return nil, fmt.Errorf("failed to query objects: %w", err)
+	}
+	defer rows.Close()
+
+	var objects []Object
+	for rows.Next() {
+		var obj Object
+		if err := rows.Scan(&obj.ObjectID, &obj.UserID, &obj.ObjectData); err != nil {
+			return nil, fmt.Errorf("failed to scan object: %w", err)
+		}
+		objects = append(objects, obj)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, fmt.Errorf("failed to iterate objects: %w", err)
+	}
+	return objects, nil
+}
+
+// UpdateObject updates the objectData for an object.
+func UpdateObject(objectID, objectData string) error {
+	result, err := DB.Exec(
+		"UPDATE objects SET objectData = ? WHERE objectId = ?",
+		objectData, objectID,
+	)
+	if err != nil {
+		return fmt.Errorf("failed to update object: %w", err)
+	}
+	rows, err := result.RowsAffected()
+	if err != nil {
+		return fmt.Errorf("failed to check update result: %w", err)
+	}
+	if rows == 0 {
+		return fmt.Errorf("object not found")
+	}
+	return nil
+}
+
+// DeleteObject removes an object by ID.
+func DeleteObject(objectID string) error {
+	result, err := DB.Exec("DELETE FROM objects WHERE objectId = ?", objectID)
+	if err != nil {
+		return fmt.Errorf("failed to delete object: %w", err)
+	}
+	rows, err := result.RowsAffected()
+	if err != nil {
+		return fmt.Errorf("failed to check delete result: %w", err)
+	}
+	if rows == 0 {
+		return fmt.Errorf("object not found")
+	}
+	return nil
+}

backend/main.go

@@ -15,11 +15,13 @@ func main() {
 	DB = db
 
 	router := gin.Default()
+
 	router.GET("/ping", func(c *gin.Context) {
 		c.JSON(200, gin.H{
 			"message": "pong",
 		})
 	})
+
 	router.GET("/db-check", func(c *gin.Context) {
 		if err := DB.Ping(); err != nil {
 			c.JSON(http.StatusServiceUnavailable, gin.H{"status": "unreachable", "error": err.Error()})
@@ -27,5 +29,181 @@ func main() {
 		}
 		c.JSON(http.StatusOK, gin.H{"status": "ok"})
 	})
+
+	// User routes
+	router.POST("/users", createUserHandler)
+	router.GET("/users/:id", getUserHandler)
+	router.PUT("/users/:id", updateUserHandler)
+	router.DELETE("/users/:id", deleteUserHandler)
+
+	// Object routes
+	router.POST("/objects", createObjectHandler)
+	router.GET("/objects/:id", getObjectHandler)
+	router.GET("/users/:id/objects", getObjectsByUserHandler)
+	router.PUT("/objects/:id", updateObjectHandler)
+	router.DELETE("/objects/:id", deleteObjectHandler)
+
 	router.Run() // listens on 0.0.0.0:8080 by default
 }
+
+// createUserRequest is the expected body for POST /users.
+type createUserRequest struct {
+	UserID       string `json:"userId" binding:"required"`
+	RootObjectID string `json:"rootObjectId" binding:"required"`
+}
+
+func createUserHandler(c *gin.Context) {
+	var req createUserRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	if err := CreateUser(req.UserID, req.RootObjectID); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusCreated, gin.H{"status": "created"})
+}
+
+func getUserHandler(c *gin.Context) {
+	id := c.Param("id")
+	user, err := GetUser(id)
+	if err != nil {
+		if err.Error() == "user not found" {
+			c.JSON(http.StatusNotFound, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, user)
+}
+
+// updateUserRequest is the expected body for PUT /users/:id.
+type updateUserRequest struct {
+	RootObjectID string `json:"rootObjectId" binding:"required"`
+}
+
+func updateUserHandler(c *gin.Context) {
+	id := c.Param("id")
+	var req updateUserRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	if err := UpdateUser(id, req.RootObjectID); err != nil {
+		if err.Error() == "user not found" {
+			c.JSON(http.StatusNotFound, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"status": "updated"})
+}
+
+func deleteUserHandler(c *gin.Context) {
+	id := c.Param("id")
+	if err := DeleteUser(id); err != nil {
+		if err.Error() == "user not found" {
+			c.JSON(http.StatusNotFound, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"status": "deleted"})
+}
+
+// createObjectRequest is the expected body for POST /objects.
+type createObjectRequest struct {
+	ObjectID   string `json:"objectId" binding:"required"`
+	UserID     string `json:"userId" binding:"required"`
+	ObjectData string `json:"objectData" binding:"required"`
+}
+
+func createObjectHandler(c *gin.Context) {
+	var req createObjectRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	if err := CreateObject(req.ObjectID, req.UserID, req.ObjectData); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusCreated, gin.H{"status": "created"})
+}
+
+func getObjectHandler(c *gin.Context) {
+	id := c.Param("id")
+	obj, err := GetObject(id)
+	if err != nil {
+		if err.Error() == "object not found" {
+			c.JSON(http.StatusNotFound, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, obj)
+}
+
+func getObjectsByUserHandler(c *gin.Context) {
+	id := c.Param("id")
+	objects, err := GetObjectsByUser(id)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, objects)
+}
+
+// updateObjectRequest is the expected body for PUT /objects/:id.
+type updateObjectRequest struct {
+	ObjectData string `json:"objectData" binding:"required"`
+}
+
+func updateObjectHandler(c *gin.Context) {
+	id := c.Param("id")
+	var req updateObjectRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	if err := UpdateObject(id, req.ObjectData); err != nil {
+		if err.Error() == "object not found" {
+			c.JSON(http.StatusNotFound, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"status": "updated"})
+}
+
+func deleteObjectHandler(c *gin.Context) {
+	id := c.Param("id")
+	if err := DeleteObject(id); err != nil {
+		if err.Error() == "object not found" {
+			c.JSON(http.StatusNotFound, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"status": "deleted"})
+}

docker-compose.yml

@@ -1,5 +1,5 @@
 services:
-  application:
+  backend:
     build: ./backend
     container_name: ${SERVICE_NAME}-oworganizer-backend
     environment: