Implement GetAll projects handler

In this patch implement the route: /v2/projects.

Issue-ID: MULTICLOUD-1126
Signed-off-by: Rajamohan Raj <rajamohan.raj@intel.com>
Change-Id: Ia38aa560a74c26b8528d6bd579038c1b80b4d3c9

4 files changed, 54 insertions, 0 deletions

diff --git a/src/orchestrator/api/api.go b/src/orchestrator/api/api.go
index 5abbb96d..9194419c 100644
--- a/src/orchestrator/api/api.go
+++ b/src/orchestrator/api/api.go
@@ -57,6 +57,7 @@ func NewRouter(projectClient moduleLib.ProjectManager,
 	}
 	router.HandleFunc("/projects", projHandler.createHandler).Methods("POST")
 	router.HandleFunc("/projects/{project-name}", projHandler.getHandler).Methods("GET")
+	router.HandleFunc("/projects", projHandler.getHandler).Methods("GET")
 	router.HandleFunc("/projects/{project-name}", projHandler.deleteHandler).Methods("DELETE")
 
 	//setting routes for compositeApp
diff --git a/src/orchestrator/api/projecthandler.go b/src/orchestrator/api/projecthandler.go
index 1e78c676..09b24096 100644
--- a/src/orchestrator/api/projecthandler.go
+++ b/src/orchestrator/api/projecthandler.go
@@ -75,6 +75,31 @@ func (h projectHandler) getHandler(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
 	name := vars["project-name"]
 
+	// handle for get all projects
+	if len(name) == 0 {
+		var pList []moduleLib.Project
+
+		projects, err := h.client.GetAllProjects()
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		for _, p := range projects {
+			pList = append(pList, moduleLib.Project{MetaData: p.MetaData})
+		}
+
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusOK)
+		err = json.NewEncoder(w).Encode(pList)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		return
+
+	}
+
 	ret, err := h.client.GetProject(name)
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
diff --git a/src/orchestrator/api/projecthandler_test.go b/src/orchestrator/api/projecthandler_test.go
index 0212e57a..dae87e2b 100644
--- a/src/orchestrator/api/projecthandler_test.go
+++ b/src/orchestrator/api/projecthandler_test.go
@@ -60,6 +60,10 @@ func (m *mockProjectManager) DeleteProject(name string) error {
 	return m.Err
 }
 
+func (m *mockProjectManager) GetAllProjects() ([]moduleLib.Project, error) {
+	return []moduleLib.Project{}, m.Err
+}
+
 func TestProjectCreateHandler(t *testing.T) {
 	testCases := []struct {
 		label         string
diff --git a/src/orchestrator/pkg/module/project.go b/src/orchestrator/pkg/module/project.go
index a6f59254..02f6d827 100644
--- a/src/orchestrator/pkg/module/project.go
+++ b/src/orchestrator/pkg/module/project.go
@@ -58,6 +58,7 @@ type ProjectManager interface {
 	CreateProject(pr Project) (Project, error)
 	GetProject(name string) (Project, error)
 	DeleteProject(name string) error
+	GetAllProjects() ([]Project, error)
 }
 
 // ProjectClient implements the ProjectManager
@@ -123,6 +124,29 @@ func (v *ProjectClient) GetProject(name string) (Project, error) {
 	return Project{}, pkgerrors.New("Error getting Project")
 }
 
+// GetAllProjects returns all the projects
+func (v *ProjectClient) GetAllProjects() ([]Project, error) {
+	key := ProjectKey{
+		ProjectName: "",
+	}
+
+	var res []Project
+	values, err := db.DBconn.Find(v.storeName, key, v.tagMeta)
+	if err != nil {
+
+	}
+
+	for _, value := range values {
+		p := Project{}
+		err = db.DBconn.Unmarshal(value, &p)
+		if err != nil {
+			return []Project{}, pkgerrors.Wrap(err, "Unmarshaling Project")
+		}
+		res = append(res, p)
+	}
+	return res, nil
+}
+
 // DeleteProject the  Project from database
 func (v *ProjectClient) DeleteProject(name string) error {