flamingo.me/flamingo-commerce/v3@v3.11.0/checkout/application/placeorder/handler.go (about)

     1  package placeorder
     2  
     3  import (
     4  	"context"
     5  
     6  	"go.opencensus.io/trace"
     7  
     8  	"flamingo.me/flamingo-commerce/v3/checkout/domain/placeorder/process"
     9  )
    10  
    11  // Handler for handling PlaceOrder related commands
    12  type Handler struct {
    13  	coordinator *Coordinator
    14  }
    15  
    16  // Inject dependencies
    17  func (h *Handler) Inject(
    18  	c *Coordinator,
    19  ) *Handler {
    20  	h.coordinator = c
    21  
    22  	return h
    23  }
    24  
    25  // StartPlaceOrder handles start place order command
    26  func (h *Handler) StartPlaceOrder(ctx context.Context, command StartPlaceOrderCommand) (*process.Context, error) {
    27  	ctx, span := trace.StartSpan(ctx, "checkout/Handler/StartPlaceOrder")
    28  	defer span.End()
    29  
    30  	_ = h.coordinator.ClearLastProcess(ctx)
    31  	return h.coordinator.New(ctx, command.Cart, command.ReturnURL)
    32  }
    33  
    34  // CurrentContext returns the last saved state
    35  func (h *Handler) CurrentContext(ctx context.Context) (*process.Context, error) {
    36  	ctx, span := trace.StartSpan(ctx, "checkout/Handler/CurrentContext")
    37  	defer span.End()
    38  
    39  	p, err := h.coordinator.LastProcess(ctx)
    40  	if err != nil {
    41  		return nil, err
    42  	}
    43  	currentContext := p.Context()
    44  
    45  	return &currentContext, nil
    46  }
    47  
    48  // ClearPlaceOrder clears the last placed order from the context store, only possible if order in final state
    49  func (h *Handler) ClearPlaceOrder(ctx context.Context) error {
    50  	ctx, span := trace.StartSpan(ctx, "checkout/Handler/ClearPlaceOrder")
    51  	defer span.End()
    52  
    53  	return h.coordinator.ClearLastProcess(ctx)
    54  }
    55  
    56  // RefreshPlaceOrder handles RefreshPlaceOrder command
    57  func (h *Handler) RefreshPlaceOrder(ctx context.Context, _ RefreshPlaceOrderCommand) (*process.Context, error) {
    58  	ctx, span := trace.StartSpan(ctx, "checkout/Handler/RefreshPlaceOrder")
    59  	defer span.End()
    60  
    61  	p, err := h.coordinator.LastProcess(ctx)
    62  	if err != nil {
    63  		return nil, err
    64  	}
    65  	lastPlaceOrderCtx := p.Context()
    66  
    67  	// proceed in state
    68  	h.coordinator.Run(ctx)
    69  
    70  	return &lastPlaceOrderCtx, nil
    71  }
    72  
    73  // RefreshPlaceOrderBlocking handles RefreshPlaceOrder blocking
    74  func (h *Handler) RefreshPlaceOrderBlocking(ctx context.Context, _ RefreshPlaceOrderCommand) (*process.Context, error) {
    75  	ctx, span := trace.StartSpan(ctx, "checkout/Handler/RefreshPlaceOrderBlocking")
    76  	defer span.End()
    77  
    78  	return h.coordinator.RunBlocking(ctx)
    79  }
    80  
    81  // HasUnfinishedProcess checks for processes not in final state
    82  func (h *Handler) HasUnfinishedProcess(ctx context.Context) (bool, error) {
    83  	ctx, span := trace.StartSpan(ctx, "checkout/Handler/HasUnfinishedProcess")
    84  	defer span.End()
    85  
    86  	return h.coordinator.HasUnfinishedProcess(ctx)
    87  }
    88  
    89  // CancelPlaceOrder handles order cancellation, is blocking
    90  func (h *Handler) CancelPlaceOrder(ctx context.Context, _ CancelPlaceOrderCommand) error {
    91  	ctx, span := trace.StartSpan(ctx, "checkout/Handler/CancelPlaceOrder")
    92  	defer span.End()
    93  
    94  	return h.coordinator.Cancel(ctx)
    95  }