feat: add sensor C

internal/handler/handlers.go

@@ -33,7 +33,7 @@ func (h *Handler) Health(c *gin.Context) {
 
 // Hello returns a simple greeting
 func (h *Handler) Hello(c *gin.Context) {
-	c.JSON(http.StatusOK, gin.H{"message": "hello from lambda-iot core"})
+	c.JSON(http.StatusOK, gin.H{"message": "hello from lambdaiot"})
 }
 
 // Login issues a JWT token for demo purposes
@@ -64,6 +64,35 @@ func (h *Handler) Login(c *gin.Context) {
 	c.JSON(http.StatusOK, gin.H{"token": signed})
 }
 
+func (h *Handler) CreateSensor(c *gin.Context) {
+	var req struct {
+		DeviceID  string `json:"device_id" binding:"required,uuid"`
+		Name      string `json:"name" binding:"required"`
+		Type      string `json:"type" binding:"required"`
+		Data_Type string `json:"data_type" binding:"required"`
+	}
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	deviceUUID, err := uuid.Parse(req.DeviceID)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid device id"})
+		return
+	}
+
+	// Create sensor in database
+	sensorID := uuid.New()
+	_, err = h.DB.Exec("INSERT INTO sensors (id, device_id, name, type, data_type) VALUES (UUID_TO_BIN(?), UUID_TO_BIN(?), ?, ?, ?)", sensorID.String(), deviceUUID.String(), req.Name, req.Type, req.Data_Type)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to create sensor"})
+		return
+	}
+
+	c.JSON(http.StatusCreated, gin.H{"id": sensorID.String()})
+}
+
 // CreateDevice creates a new device
 func (h *Handler) CreateDevice(c *gin.Context) {
 	var req struct {