✨ Implement History in the manner of Search

assets/history.go

@@ -0,0 +1,63 @@
+package assets
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/goledgerdev/cc-tools/errors"
+	sw "github.com/goledgerdev/cc-tools/stubwrapper"
+	"github.com/hyperledger/fabric-chaincode-go/shim"
+	pb "github.com/hyperledger/fabric-protos-go/peer"
+)
+
+type HistoryResponse struct {
+	Result   []map[string]interface{}  `json:"result"`
+	Metadata *pb.QueryResponseMetadata `json:"metadata"`
+}
+
+func History(stub *sw.StubWrapper, key string, resolve bool) (*HistoryResponse, errors.ICCError) {
+	var resultsIterator shim.HistoryQueryIteratorInterface
+	// var responseMetadata *pb.QueryResponseMetadata
+
+	resultsIterator, err := stub.GetHistoryForKey(key)
+	if err != nil {
+		return nil, errors.WrapErrorWithStatus(err, "failed to get history for key", http.StatusInternalServerError)
+	}
+	defer resultsIterator.Close()
+
+	historyResult := make([]map[string]interface{}, 0)
+
+	for resultsIterator.HasNext() {
+		queryResponse, err := resultsIterator.Next()
+		if err != nil {
+			return nil, errors.WrapErrorWithStatus(err, "error iterating response", 500)
+		}
+
+		var data map[string]interface{}
+
+		err = json.Unmarshal(queryResponse.Value, &data)
+		if err != nil {
+			return nil, errors.WrapErrorWithStatus(err, "failed to unmarshal queryResponse values", 500)
+		}
+
+		if resolve {
+			key, err := NewKey(data)
+			if err != nil {
+				return nil, errors.WrapError(err, "failed to create key object to resolve result")
+			}
+			asset, err := key.GetRecursive(stub)
+			if err != nil {
+				return nil, errors.WrapError(err, "failed to resolve result")
+			}
+			data = asset
+		}
+
+		historyResult = append(historyResult, data)
+	}
+
+	response := HistoryResponse{
+		Result: historyResult,
+	}
+
+	return &response, nil
+}