add PATCH update delivery status by id

backend/cmd/api/main.go

@@ -38,6 +38,7 @@ func main() {
 	r.GET("/api/deliveries/count", h.GetDeliveryCount)
 	r.POST("/api/deliveries", h.CreateDelivery)
 	r.PATCH("/api/deliveries/:id", h.UpdateDelivery)
+	r.PATCH("/api/deliveries/:id/status", h.UpdateDeliveryStatus)
 	r.DELETE("/api/deliveries/:id", h.DeleteDelivery)
 
 	r.Run(":8080")

backend/internal/db/queries/query.sql

@@ -17,3 +17,6 @@ UPDATE deliveries SET date = $1, pickup_location = $2, product_name = $3, addres
 
 -- name: GetDeliveryCount :many
 SELECT COUNT(*) as count, date FROM deliveries WHERE date >= DATE_TRUNC('month', CURRENT_DATE) GROUP BY date;
+
+-- name: UpdateDeliveryStatus :exec
+UPDATE deliveries SET status = $1, updated_at = NOW() WHERE id = $2;

backend/internal/db/sqlc/querier.go

@@ -17,6 +17,7 @@ type Querier interface {
 	GetDeliveryByID(ctx context.Context, id pgtype.UUID) (Delivery, error)
 	GetDeliveryCount(ctx context.Context) ([]GetDeliveryCountRow, error)
 	UpdateDelivery(ctx context.Context, arg UpdateDeliveryParams) error
+	UpdateDeliveryStatus(ctx context.Context, arg UpdateDeliveryStatusParams) error
 }
 
 var _ Querier = (*Queries)(nil)

backend/internal/db/sqlc/query.sql.go

@@ -186,3 +186,17 @@ func (q *Queries) UpdateDelivery(ctx context.Context, arg UpdateDeliveryParams)
 	)
 	return err
 }
+
+const updateDeliveryStatus = `-- name: UpdateDeliveryStatus :exec
+UPDATE deliveries SET status = $1, updated_at = NOW() WHERE id = $2
+`
+
+type UpdateDeliveryStatusParams struct {
+	Status string      `db:"status" json:"status"`
+	ID     pgtype.UUID `db:"id" json:"id"`
+}
+
+func (q *Queries) UpdateDeliveryStatus(ctx context.Context, arg UpdateDeliveryStatusParams) error {
+	_, err := q.db.Exec(ctx, updateDeliveryStatus, arg.Status, arg.ID)
+	return err
+}

backend/internal/delivery/handler.go

@@ -160,6 +160,47 @@ func (h *Handler) UpdateDelivery(c *gin.Context) {
 	c.JSON(http.StatusOK, gin.H{"message": "Delivery updated"})
 }
 
+// PATCH /api/deliveries/:id/status
+func (h *Handler) UpdateDeliveryStatus(c *gin.Context) {
+	var req struct {
+		Status string `json:"status"`
+	}
+
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid request body", "details": err.Error()})
+		return
+	}
+
+	id := c.Param("id")
+
+	if id == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "ID is required"})
+		return
+	}
+
+	parsedID, err := uuid.Parse(id)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid UUID format", "details": err.Error()})
+		return
+	}
+
+	status := req.Status
+	if status == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Status is required"})
+		return
+	}
+
+	if err := h.queries.UpdateDeliveryStatus(c.Request.Context(), sqlc.UpdateDeliveryStatusParams{
+		ID:     pgtype.UUID{Bytes: parsedID, Valid: true},
+		Status: status,
+	}); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to update delivery status", "details": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"message": "Delivery status updated"})
+}
+
 // DELETE /api/deliveries/:id
 func (h *Handler) DeleteDelivery(c *gin.Context) {
 	id := c.Param("id")