github.com/NpoolPlatform/chain-middleware@v0.0.0-20240228100535-eb1bcf896eb9/pkg/mw/fiat/update.go (about)

     1  package fiat
     2  
     3  import (
     4  	"context"
     5  	"fmt"
     6  
     7  	fiatcrud "github.com/NpoolPlatform/chain-middleware/pkg/crud/fiat"
     8  	redis2 "github.com/NpoolPlatform/go-service-framework/pkg/redis"
     9  	basetypes "github.com/NpoolPlatform/message/npool/basetypes/v1"
    10  	npool "github.com/NpoolPlatform/message/npool/chain/mw/v1/fiat"
    11  
    12  	"github.com/NpoolPlatform/chain-middleware/pkg/db"
    13  	"github.com/NpoolPlatform/chain-middleware/pkg/db/ent"
    14  	"github.com/NpoolPlatform/libent-cruder/pkg/cruder"
    15  )
    16  
    17  type updateHandler struct {
    18  	*Handler
    19  }
    20  
    21  func (h *updateHandler) updateFiat(ctx context.Context, cli *ent.Client) error {
    22  	if _, err := fiatcrud.UpdateSet(
    23  		cli.Fiat.UpdateOneID(*h.ID),
    24  		&fiatcrud.Req{
    25  			Name: h.Name,
    26  			Logo: h.Logo,
    27  			Unit: h.Unit,
    28  		},
    29  	).Save(ctx); err != nil {
    30  		return err
    31  	}
    32  	return nil
    33  }
    34  
    35  func (h *Handler) UpdateFiat(ctx context.Context) (*npool.Fiat, error) {
    36  	if h.ID == nil {
    37  		return nil, fmt.Errorf("invalid id")
    38  	}
    39  
    40  	lockKey := fmt.Sprintf(
    41  		"%v:%v",
    42  		basetypes.Prefix_PrefixSetFiat,
    43  		*h.Name,
    44  	)
    45  	if err := redis2.TryLock(lockKey, 0); err != nil {
    46  		return nil, err
    47  	}
    48  	defer func() {
    49  		_ = redis2.Unlock(lockKey)
    50  	}()
    51  
    52  	h.Conds = &fiatcrud.Conds{
    53  		Name: &cruder.Cond{Op: cruder.EQ, Val: *h.Name},
    54  	}
    55  	h.Offset = 0
    56  	h.Limit = 2
    57  
    58  	fiat, err := h.GetFiatOnly(ctx)
    59  	if err != nil {
    60  		return nil, err
    61  	}
    62  	if fiat != nil && fiat.ID != *h.ID {
    63  		return nil, fmt.Errorf("fiat exist")
    64  	}
    65  
    66  	handler := &updateHandler{
    67  		Handler: h,
    68  	}
    69  
    70  	err = db.WithClient(ctx, func(_ctx context.Context, cli *ent.Client) error {
    71  		if err := handler.updateFiat(_ctx, cli); err != nil {
    72  			return err
    73  		}
    74  		return nil
    75  	})
    76  	if err != nil {
    77  		return nil, err
    78  	}
    79  
    80  	return h.GetFiat(ctx)
    81  }