Support the list function of storage Provider

src/server/handler_storage_provider.go

@@ -2,22 +2,19 @@ package server
 
 import (
 	"fmt"
-	"math/rand"
-	"time"
+	"math"
+	"strconv"
 
 	"github.com/linkernetworks/logger"
 	"github.com/linkernetworks/utils/timeutils"
 	"github.com/linkernetworks/vortex/src/entity"
 	response "github.com/linkernetworks/vortex/src/net/http"
+	"github.com/linkernetworks/vortex/src/net/http/query"
 	"github.com/linkernetworks/vortex/src/web"
 	mgo "gopkg.in/mgo.v2"
 	"gopkg.in/mgo.v2/bson"
 )
 
-func init() {
-	rand.Seed(time.Now().UnixNano())
-}
-
 func CreateStorageProvider(ctx *web.Context) {
 	sp, req, resp := ctx.ServiceProvider, ctx.Request, ctx.Response
 
@@ -51,3 +48,50 @@ func CreateStorageProvider(ctx *web.Context) {
 		Message: "Create success",
 	})
 }
+
+func ListStorageProvider(ctx *web.Context) {
+	sp, req, resp := ctx.ServiceProvider, ctx.Request, ctx.Response
+
+	var pageSize = 10
+	query := query.New(req.Request.URL.Query())
+
+	page, err := query.Int("page", 1)
+	if err != nil {
+		response.BadRequest(req.Request, resp.ResponseWriter, err)
+		return
+	}
+	pageSize, err = query.Int("page_size", pageSize)
+	if err != nil {
+		response.BadRequest(req.Request, resp.ResponseWriter, err)
+		return
+	}
+
+	session := sp.Mongo.NewSession()
+	defer session.Close()
+
+	storageProviders := []entity.StorageProvider{}
+
+	var c = session.C(entity.StorageProviderCollectionName)
+	var q *mgo.Query
+
+	selector := bson.M{}
+	q = c.Find(selector).Sort("_id").Skip((page - 1) * pageSize).Limit(pageSize)
+
+	if err := q.All(&storageProviders); err != nil {
+		if err == mgo.ErrNotFound {
+			response.NotFound(req.Request, resp.ResponseWriter, err)
+		} else {
+			response.InternalServerError(req.Request, resp.ResponseWriter, err)
+		}
+		return
+	}
+
+	count, err := session.Count(entity.StorageProviderCollectionName, bson.M{})
+	if err != nil {
+		logger.Error(err)
+	}
+	totalPages := int(math.Ceil(float64(count) / float64(pageSize)))
+	resp.AddHeader("X-Total-Count", strconv.Itoa(count))
+	resp.AddHeader("X-Total-Pages", strconv.Itoa(totalPages))
+	resp.WriteEntity(storageProviders)
+}

src/server/handler_storage_provider_test.go

@@ -13,6 +13,7 @@ import (
 	"github.com/linkernetworks/vortex/src/entity"
 	"github.com/linkernetworks/vortex/src/serviceprovider"
 	"github.com/stretchr/testify/assert"
+	"gopkg.in/mgo.v2/bson"
 )
 
 func TestCreateStorageProvider(t *testing.T) {
@@ -63,3 +64,104 @@ func TestCreateStorageProvider(t *testing.T) {
 	assertResponseCode(t, http.StatusConflict, httpWriter)
 	defer session.Remove(entity.StorageProviderCollectionName, "displayName", tName)
 }
+
+func TestListStorageProvider(t *testing.T) {
+	cf := config.MustRead("../../config/testing.json")
+	sp := serviceprovider.New(cf)
+
+	session := sp.Mongo.NewSession()
+	defer session.Close()
+	storageProviders := []entity.StorageProvider{}
+	for i := 0; i < 3; i++ {
+		storageProviders = append(storageProviders, entity.StorageProvider{
+			ID:          bson.NewObjectId(),
+			DisplayName: namesgenerator.GetRandomName(0),
+			Type:        "nfs",
+			NFSStorageProvider: entity.NFSStorageProvider{
+				IP:   "1.2.3.4",
+				PATH: "/expots",
+			},
+		})
+	}
+
+	for _, v := range storageProviders {
+		err := session.C(entity.StorageProviderCollectionName).Insert(v)
+		assert.NoError(t, err)
+		defer session.Remove(entity.StorageProviderCollectionName, "_id", v.ID)
+	}
+
+	//default page & page_size
+	httpRequest, err := http.NewRequest("GET", "http://localhost:7890/v1/storageprovider/", nil)
+	assert.NoError(t, err)
+
+	httpWriter := httptest.NewRecorder()
+	wc := restful.NewContainer()
+	service := newStorageProviderService(sp)
+	wc.Add(service)
+	wc.Dispatch(httpWriter, httpRequest)
+	assertResponseCode(t, http.StatusOK, httpWriter)
+
+	retStorageProviders := []entity.StorageProvider{}
+	err = json.Unmarshal(httpWriter.Body.Bytes(), &retStorageProviders)
+	assert.NoError(t, err)
+	assert.Equal(t, len(storageProviders), len(retStorageProviders))
+	for i, v := range retStorageProviders {
+		assert.Equal(t, storageProviders[i].ID, v.ID)
+		assert.Equal(t, storageProviders[i].DisplayName, v.DisplayName)
+		assert.Equal(t, storageProviders[i].Type, v.Type)
+		assert.Equal(t, storageProviders[i].IP, v.IP)
+		assert.Equal(t, storageProviders[i].PATH, v.PATH)
+	}
+
+	httpRequest, err = http.NewRequest("GET", "http://localhost:7890/v1/storageprovider?page=1&page_size=30", nil)
+	assert.NoError(t, err)
+
+	httpWriter = httptest.NewRecorder()
+	wc.Dispatch(httpWriter, httpRequest)
+	assertResponseCode(t, http.StatusOK, httpWriter)
+
+	retStorageProviders = []entity.StorageProvider{}
+	err = json.Unmarshal(httpWriter.Body.Bytes(), &retStorageProviders)
+	assert.NoError(t, err)
+	assert.Equal(t, len(storageProviders), len(retStorageProviders))
+	for i, v := range retStorageProviders {
+		assert.Equal(t, storageProviders[i].ID, v.ID)
+		assert.Equal(t, storageProviders[i].DisplayName, v.DisplayName)
+		assert.Equal(t, storageProviders[i].Type, v.Type)
+		assert.Equal(t, storageProviders[i].IP, v.IP)
+		assert.Equal(t, storageProviders[i].PATH, v.PATH)
+	}
+}
+
+func TestListInvalidStorageProvider(t *testing.T) {
+	cf := config.MustRead("../../config/testing.json")
+	sp := serviceprovider.New(cf)
+
+	//Invliad page size
+	httpRequest, err := http.NewRequest("GET", "http://localhost:7890/v1/storageprovider?page=0", nil)
+	assert.NoError(t, err)
+
+	httpWriter := httptest.NewRecorder()
+	wc := restful.NewContainer()
+	service := newStorageProviderService(sp)
+	wc.Add(service)
+	wc.Dispatch(httpWriter, httpRequest)
+	assertResponseCode(t, http.StatusInternalServerError, httpWriter)
+
+	//Invliad page type
+	httpRequest, err = http.NewRequest("GET", "http://localhost:7890/v1/storageprovider?page=asd", nil)
+	assert.NoError(t, err)
+
+	httpWriter = httptest.NewRecorder()
+	wc.Dispatch(httpWriter, httpRequest)
+	assertResponseCode(t, http.StatusBadRequest, httpWriter)
+
+	//Invliad page_size type
+	httpRequest, err = http.NewRequest("GET", "http://localhost:7890/v1/storageprovider?page_size=asd", nil)
+	assert.NoError(t, err)
+
+	httpWriter = httptest.NewRecorder()
+	wc.Dispatch(httpWriter, httpRequest)
+	assertResponseCode(t, http.StatusBadRequest, httpWriter)
+
+}

src/server/route.go

@@ -43,5 +43,6 @@ func newStorageProviderService(sp *serviceprovider.Container) *restful.WebServic
 	webService := new(restful.WebService)
 	webService.Path("/v1/storageprovider").Consumes(restful.MIME_JSON, restful.MIME_JSON).Produces(restful.MIME_JSON, restful.MIME_JSON)
 	webService.Route(webService.POST("/").To(handler.RESTfulServiceHandler(sp, CreateStorageProvider)))
+	webService.Route(webService.GET("/").To(handler.RESTfulServiceHandler(sp, ListStorageProvider)))
 	return webService
 }