harbor/api/statistic.go

/*
   Copyright (c) 2016 VMware, Inc. All Rights Reserved.
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/

package api

import (
	"net/http"
	"strings"

	"github.com/vmware/harbor/dao"
	"github.com/vmware/harbor/models"
	svc_utils "github.com/vmware/harbor/service/utils"
	"github.com/vmware/harbor/utils/log"
)

// StatisticAPI handles request to /api/statistics/
type StatisticAPI struct {
	BaseAPI
	userID   int
	username string
}

//Prepare validates the URL and the user
func (s *StatisticAPI) Prepare() {
	userID, ok := s.GetSession("userId").(int)
	if !ok {
		s.userID = dao.NonExistUserID
	} else {
		s.userID = userID
	}
	username, ok := s.GetSession("username").(string)
	if !ok {
		log.Warning("failed to get username from session")
		s.username = ""
	} else {
		s.username = username
	}
}

// Get total projects and repos of the user
func (s *StatisticAPI) Get() {
	queryProject := models.Project{UserID: s.userID}
	projectList, err := dao.QueryProject(queryProject)
	proMap := map[string]int{}
	if err != nil {
		log.Errorf("Error occured in QueryProject, error: %v", err)
		s.CustomAbort(http.StatusInternalServerError, "Internal error.")
	}
	isAdmin, err0 := dao.IsAdminRole(s.userID)
	if err0 != nil {
		log.Errorf("Error occured in check admin, error: %v", err0)
		s.CustomAbort(http.StatusInternalServerError, "Internal error.")
	}
	if isAdmin {
		proMap["total_project"] = len(projectList)
	}
	for i := 0; i < len(projectList); i++ {
		if projectList[i].Role == 1 || projectList[i].Role == 2 {
			proMap["my_project"]++
			proMap["my_repos"] += s.GetReposByProject(projectList[i].Name, false)
		}
		if projectList[i].Public == 1 {
			proMap["public_project"]++
			proMap["public_repos"] += s.GetReposByProject(projectList[i].Name, false)
		}
		if isAdmin {
			proMap["total_repos"] = s.GetReposByProject(projectList[i].Name, true)
		}
	}
	s.Data["json"] = proMap
	s.ServeJSON()
}

//GetReposByProject returns repo numbers of specified project
func (s *StatisticAPI) GetReposByProject(projectName string, isAdmin bool) int {
	repoList, err := svc_utils.GetRepoFromCache()
	if err != nil {
		log.Errorf("Failed to get repo from cache, error: %v", err)
		s.RenderError(http.StatusInternalServerError, "internal sever error")
	}
	if isAdmin {
		return len(repoList)
	}
	var resp []string
	if len(projectName) > 0 {
		for _, r := range repoList {
			if strings.Contains(r, "/") && r[0:strings.LastIndex(r, "/")] == projectName {
				resp = append(resp, r)
			}
		}
		return len(resp)
	}
	return 0
}