-
Notifications
You must be signed in to change notification settings - Fork 0
/
grpc_query_item.go
55 lines (43 loc) · 1.45 KB
/
grpc_query_item.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
package keeper
import (
"context"
"github.com/cosmos/cosmos-sdk/store/prefix"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/cosmos/cosmos-sdk/types/query"
"github.com/harish551/cosmostore/x/store/types"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func (k Keeper) ItemAll(c context.Context, req *types.QueryAllItemRequest) (*types.QueryAllItemResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "invalid request")
}
var items []types.Item
ctx := sdk.UnwrapSDKContext(c)
store := ctx.KVStore(k.storeKey)
itemStore := prefix.NewStore(store, types.KeyPrefix(types.ItemKey))
pageRes, err := query.Paginate(itemStore, req.Pagination, func(key []byte, value []byte) error {
var item types.Item
if err := k.cdc.Unmarshal(value, &item); err != nil {
return err
}
items = append(items, item)
return nil
})
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.QueryAllItemResponse{Item: items, Pagination: pageRes}, nil
}
func (k Keeper) Item(c context.Context, req *types.QueryGetItemRequest) (*types.QueryGetItemResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "invalid request")
}
ctx := sdk.UnwrapSDKContext(c)
item, found := k.GetItem(ctx, req.Id)
if !found {
return nil, sdkerrors.ErrKeyNotFound
}
return &types.QueryGetItemResponse{Item: item}, nil
}