Add a listallhandler to definitions api

GET calls to the v1/rb/definition will
return all definitions and their versions

Issue-ID: MULTICLOUD-715
Change-Id: Ia0951ac83283830e475bf727e7d5ced7aab3add2
Signed-off-by: Kiran Kamineni <kiran.k.kamineni@intel.com>

3 files changed, 102 insertions, 1 deletions

diff --git a/src/k8splugin/api/api.go b/src/k8splugin/api/api.go
index 353972a1..a7caa19b 100644
--- a/src/k8splugin/api/api.go
+++ b/src/k8splugin/api/api.go
@@ -69,6 +69,7 @@ func NewRouter(defClient rb.DefinitionManager,
 	resRouter.HandleFunc("/definition", defHandler.createHandler).Methods("POST")
 	resRouter.HandleFunc("/definition/{rbname}/{rbversion}/content", defHandler.uploadHandler).Methods("POST")
 	resRouter.HandleFunc("/definition/{rbname}", defHandler.listVersionsHandler).Methods("GET")
+	resRouter.HandleFunc("/definition", defHandler.listAllHandler).Methods("GET")
 	resRouter.HandleFunc("/definition/{rbname}/{rbversion}", defHandler.getHandler).Methods("GET")
 	resRouter.HandleFunc("/definition/{rbname}/{rbversion}", defHandler.deleteHandler).Methods("DELETE")
 
diff --git a/src/k8splugin/api/defhandler.go b/src/k8splugin/api/defhandler.go
index c1110a97..480d4be5 100644
--- a/src/k8splugin/api/defhandler.go
+++ b/src/k8splugin/api/defhandler.go
@@ -20,9 +20,10 @@ import (
 	"encoding/json"
 	"io"
 	"io/ioutil"
-	"github.com/onap/multicloud-k8s/src/k8splugin/internal/rb"
 	"net/http"
 
+	"github.com/onap/multicloud-k8s/src/k8splugin/internal/rb"
+
 	"github.com/gorilla/mux"
 )
 
@@ -122,6 +123,25 @@ func (h rbDefinitionHandler) listVersionsHandler(w http.ResponseWriter, r *http.
 	}
 }
 
+// listVersionsHandler handles GET (list) operations on the endpoint
+// Returns a list of rb.Definitions
+func (h rbDefinitionHandler) listAllHandler(w http.ResponseWriter, r *http.Request) {
+
+	ret, err := h.client.List("")
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusOK)
+	err = json.NewEncoder(w).Encode(ret)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+}
+
 // getHandler handles GET operations on a particular ids
 // Returns a rb.Definition
 func (h rbDefinitionHandler) getHandler(w http.ResponseWriter, r *http.Request) {
diff --git a/src/k8splugin/api/defhandler_test.go b/src/k8splugin/api/defhandler_test.go
index 077d0708..dcfea1de 100644
--- a/src/k8splugin/api/defhandler_test.go
+++ b/src/k8splugin/api/defhandler_test.go
@@ -240,6 +240,86 @@ func TestRBDefListVersionsHandler(t *testing.T) {
 	}
 }
 
+func TestRBDefListAllHandler(t *testing.T) {
+
+	testCases := []struct {
+		label        string
+		expected     []rb.Definition
+		expectedCode int
+		rbDefClient  *mockRBDefinition
+	}{
+		{
+			label:        "List Bundle Definitions",
+			expectedCode: http.StatusOK,
+			expected: []rb.Definition{
+				{
+					RBName:      "resourcebundle1",
+					RBVersion:   "v1",
+					ChartName:   "barchart",
+					Description: "test description for one",
+				},
+				{
+					RBName:      "resourcebundle2",
+					RBVersion:   "version2",
+					ChartName:   "foochart",
+					Description: "test description for two",
+				},
+			},
+			rbDefClient: &mockRBDefinition{
+				// list of definitions that will be returned by the mockclient
+				Items: []rb.Definition{
+					{
+						RBName:      "resourcebundle1",
+						RBVersion:   "v1",
+						ChartName:   "barchart",
+						Description: "test description for one",
+					},
+					{
+						RBName:      "resourcebundle2",
+						RBVersion:   "version2",
+						ChartName:   "foochart",
+						Description: "test description for two",
+					},
+				},
+			},
+		},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.label, func(t *testing.T) {
+			request := httptest.NewRequest("GET", "/v1/rb/definition", nil)
+			resp := executeRequest(request, NewRouter(testCase.rbDefClient, nil, nil, nil, nil, nil))
+
+			//Check returned code
+			if resp.StatusCode != testCase.expectedCode {
+				t.Fatalf("Expected %d; Got: %d", testCase.expectedCode, resp.StatusCode)
+			}
+
+			//Check returned body only if statusOK
+			if resp.StatusCode == http.StatusOK {
+				got := []rb.Definition{}
+				json.NewDecoder(resp.Body).Decode(&got)
+
+				// Since the order of returned slice is not guaranteed
+				// Check both and return error if both don't match
+				sort.Slice(got, func(i, j int) bool {
+					return got[i].RBVersion < got[j].RBVersion
+				})
+				// Sort both as it is not expected that testCase.expected
+				// is sorted
+				sort.Slice(testCase.expected, func(i, j int) bool {
+					return testCase.expected[i].RBVersion < testCase.expected[j].RBVersion
+				})
+
+				if reflect.DeepEqual(testCase.expected, got) == false {
+					t.Errorf("listHandler returned unexpected body: got %v;"+
+						" expected %v", got, testCase.expected)
+				}
+			}
+		})
+	}
+}
+
 func TestRBDefGetHandler(t *testing.T) {
 
 	testCases := []struct {