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handler.go
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handler.go
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/*
* Copyright (c) 2018. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio Cells is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
package grpc
import (
"fmt"
"io"
"strings"
"sync"
"time"
"github.com/pydio/cells/common"
"github.com/pydio/cells/common/proto/tree"
"github.com/pydio/cells/common/registry"
"github.com/micro/go-micro/errors"
activity "github.com/pydio/cells/broker/activity"
"github.com/pydio/cells/common/log"
proto "github.com/pydio/cells/common/proto/activity"
"github.com/pydio/cells/common/service/context"
"go.uber.org/zap"
"golang.org/x/net/context"
)
type Handler struct {
db activity.DAO
}
func (h *Handler) PostActivity(ctx context.Context, stream proto.ActivityService_PostActivityStream) error {
dao := servicecontext.GetDAO(ctx).(activity.DAO)
defer stream.Close()
for {
request, e := stream.Recv()
if e == io.EOF {
return nil
}
if e != nil && e != io.EOF {
return e
}
var boxName activity.BoxName
switch request.BoxName {
case "inbox":
boxName = activity.BoxInbox
case "outbox":
boxName = activity.BoxOutbox
default:
return fmt.Errorf("unrecongnized box name")
}
if e := dao.PostActivity(request.OwnerType, request.OwnerId, boxName, request.Activity, ctx); e != nil {
return e
}
}
}
func (h *Handler) StreamActivities(ctx context.Context, request *proto.StreamActivitiesRequest, stream proto.ActivityService_StreamActivitiesStream) error {
dao := servicecontext.GetDAO(ctx).(activity.DAO)
log.Logger(ctx).Debug("Should get activities", zap.Any("r", request))
treeStreamer := tree.NewNodeProviderStreamerClient(registry.GetClient(common.ServiceTree))
sClient, e := treeStreamer.ReadNodeStream(ctx)
if e != nil {
return e
}
defer sClient.Close()
replace := make(map[string]string)
valid := make(map[string]bool)
result := make(chan *proto.Object)
done := make(chan bool)
wg := sync.WaitGroup{}
wg.Add(1)
go func() {
defer wg.Done()
for {
select {
case ac := <-result:
if ac.Type != proto.ObjectType_Delete && ac.Object != nil && (ac.Object.Type == proto.ObjectType_Document || ac.Object.Type == proto.ObjectType_Folder) && ac.Object.Id != "" {
oName := ac.Object.Name
if _, o := valid[oName]; o {
//fmt.Println("nothing to do ")
} else if r, o := replace[oName]; o {
//fmt.Println("replace from cache")
ac.Object.Name = r
} else if e := sClient.Send(&tree.ReadNodeRequest{Node: &tree.Node{Uuid: ac.Object.Id}}); e == nil {
rsp, er := sClient.Recv()
if er == nil {
nP := strings.TrimRight(rsp.GetNode().GetPath(), "/")
if oName != nP {
//fmt.Println("replacing", oName, "with", nP)
ac.Object.Name = nP
replace[oName] = rsp.GetNode().GetPath()
} else {
//fmt.Println("set valid")
valid[oName] = true
}
} else {
//fmt.Println("error while reading :" + e.Error())
}
}
}
stream.Send(&proto.StreamActivitiesResponse{
Activity: ac,
})
case <-done:
return
}
}
}()
boxName := activity.BoxOutbox
if request.BoxName == "inbox" {
boxName = activity.BoxInbox
}
if request.Context == proto.StreamContext_NODE_ID {
dao.ActivitiesFor(proto.OwnerType_NODE, request.ContextData, boxName, "", request.Offset, request.Limit, result, done)
wg.Wait()
} else if request.Context == proto.StreamContext_USER_ID {
var refBoxOffset activity.BoxName
if request.AsDigest {
refBoxOffset = activity.BoxLastSent
}
dao.ActivitiesFor(proto.OwnerType_USER, request.ContextData, boxName, refBoxOffset, request.Offset, request.Limit, result, done)
wg.Wait()
}
return nil
}
func (h *Handler) Subscribe(ctx context.Context, request *proto.SubscribeRequest, resp *proto.SubscribeResponse) (err error) {
dao := servicecontext.GetDAO(ctx).(activity.DAO)
subscription := request.Subscription
resp.Subscription = subscription
return dao.UpdateSubscription(subscription)
}
func (h *Handler) SearchSubscriptions(ctx context.Context, request *proto.SearchSubscriptionsRequest, stream proto.ActivityService_SearchSubscriptionsStream) error {
dao := servicecontext.GetDAO(ctx).(activity.DAO)
var userId string
var objectType = proto.OwnerType_NODE
if len(request.ObjectIds) == 0 {
return fmt.Errorf("Please provide one or more objectId")
}
if len(request.UserIds) > 0 {
userId = request.UserIds[0]
}
users, err := dao.ListSubscriptions(objectType, request.ObjectIds)
if err != nil {
return err
}
defer stream.Close()
for _, sub := range users {
if len(sub.Events) == 0 {
continue
}
if userId != "" && sub.UserId != userId {
continue
}
stream.Send(&proto.SearchSubscriptionsResponse{
Subscription: sub,
})
}
return nil
}
func (h *Handler) UnreadActivitiesNumber(ctx context.Context, request *proto.UnreadActivitiesRequest, response *proto.UnreadActivitiesResponse) error {
dao := servicecontext.GetDAO(ctx).(activity.DAO)
number := dao.CountUnreadForUser(request.UserId)
response.Number = int32(number)
return nil
}
func (h *Handler) SetUserLastActivity(ctx context.Context, request *proto.UserLastActivityRequest, response *proto.UserLastActivityResponse) error {
dao := servicecontext.GetDAO(ctx).(activity.DAO)
var boxName activity.BoxName
if request.BoxName == "lastread" {
boxName = activity.BoxLastRead
} else if request.BoxName == "lastsent" {
boxName = activity.BoxLastSent
} else {
return fmt.Errorf("Invalid box name")
}
if err := dao.StoreLastUserInbox(request.UserId, boxName, nil, request.ActivityId); err == nil {
response.Success = true
return nil
} else {
return err
}
}
func (h *Handler) PurgeActivities(ctx context.Context, request *proto.PurgeActivitiesRequest, response *proto.PurgeActivitiesResponse) error {
if request.BoxName != string(activity.BoxInbox) && request.BoxName != string(activity.BoxOutbox) {
return errors.BadRequest("invalid.parameter", "Please provide one of inbox|outbox box name")
}
count := int32(0)
logger := func(s string) {
count++
log.TasksLogger(ctx).Info(s)
}
dao := servicecontext.GetDAO(ctx).(activity.DAO)
var updated time.Time
if request.UpdatedBeforeTimestamp > 0 {
updated = time.Unix(int64(request.UpdatedBeforeTimestamp), 0)
}
dao.Purge(logger, request.OwnerType, request.OwnerID, activity.BoxName(request.BoxName), int(request.MinCount), int(request.MaxCount), updated, request.ClearBackups)
response.Success = true
response.DeletedCount = count
return nil
}