/
query.go
231 lines (196 loc) · 5.78 KB
/
query.go
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package executor
import (
"github.com/33cn/chain33/types"
vty "github.com/33cn/plugin/plugin/dapp/vote/types"
)
func (v *vote) getGroup(groupID string) (*vty.GroupInfo, error) {
if len(groupID) != IDLen {
return nil, errInvalidGroupID
}
table := newGroupTable(v.GetLocalDB())
row, err := table.GetData([]byte(groupID))
if err != nil {
elog.Error("query getGroup", "groupID", groupID, "err", err)
return nil, err
}
info, ok := row.Data.(*vty.GroupInfo)
if !ok {
return nil, types.ErrTypeAsset
}
return info, nil
}
// Query_GroupInfo query group info
func (v *vote) Query_GetGroups(in *vty.ReqStrings) (types.Message, error) {
if len(in.GetItems()) == 0 {
return nil, types.ErrInvalidParam
}
infos := &vty.GroupInfos{GroupList: make([]*vty.GroupInfo, 0, len(in.GetItems()))}
for _, id := range in.GetItems() {
info, err := v.getGroup(id)
if err != nil {
return nil, err
}
infos.GroupList = append(infos.GroupList, info)
}
return infos, nil
}
func (v *vote) getVote(voteID string) (*vty.VoteInfo, error) {
if len(voteID) != IDLen {
return nil, errInvalidVoteID
}
table := newVoteTable(v.GetLocalDB())
row, err := table.GetData([]byte(voteID))
if err != nil {
elog.Error("query getVote", "id", voteID, "err", err)
return nil, err
}
info, ok := row.Data.(*vty.VoteInfo)
if !ok {
return nil, types.ErrTypeAsset
}
return info, nil
}
func (v *vote) Query_GetVotes(in *vty.ReqStrings) (types.Message, error) {
if len(in.GetItems()) == 0 {
return nil, types.ErrInvalidParam
}
voteList := make([]*vty.VoteInfo, 0, len(in.GetItems()))
for _, id := range in.GetItems() {
info, err := v.getVote(id)
if err != nil {
return nil, err
}
voteList = append(voteList, info)
}
reply := &vty.ReplyVoteList{CurrentTimestamp: types.Now().Unix()}
reply.VoteList = filterVoteWithStatus(voteList, 0, reply.CurrentTimestamp)
return reply, nil
}
func (v *vote) getMember(addr string) (*vty.MemberInfo, error) {
if len(addr) != addrLen {
return nil, types.ErrInvalidAddress
}
table := newMemberTable(v.GetLocalDB())
row, err := table.GetData([]byte(addr))
if err != nil {
elog.Error("query getMember", "addr", addr, "err", err)
return nil, err
}
info, ok := row.Data.(*vty.MemberInfo)
if !ok {
return nil, types.ErrTypeAsset
}
return info, nil
}
func (v *vote) Query_GetMembers(in *vty.ReqStrings) (types.Message, error) {
if len(in.GetItems()) == 0 {
return nil, types.ErrInvalidParam
}
infos := &vty.MemberInfos{MemberList: make([]*vty.MemberInfo, 0, len(in.GetItems()))}
for _, id := range in.GetItems() {
info, err := v.getMember(id)
if err != nil {
return nil, err
}
infos.MemberList = append(infos.MemberList, info)
}
return infos, nil
}
func (v *vote) Query_ListGroup(in *vty.ReqListItem) (types.Message, error) {
if in == nil {
return nil, types.ErrInvalidParam
}
table := newGroupTable(v.GetLocalDB())
var primaryKey []byte
primaryKey = append(primaryKey, []byte(in.StartItemID)...)
list := &vty.GroupInfos{}
rows, err := table.ListIndex(groupTablePrimary, nil, primaryKey, in.Count, in.Direction)
// 已经没有数据,直接返回
if err == types.ErrNotFound {
return list, nil
}
if err != nil {
elog.Error("query listGroup", "err", err, "param", in)
return nil, err
}
list.GroupList = make([]*vty.GroupInfo, 0, len(rows))
for _, row := range rows {
info, ok := row.Data.(*vty.GroupInfo)
if !ok {
return nil, types.ErrTypeAsset
}
list.GroupList = append(list.GroupList, info)
}
return list, nil
}
func (v *vote) Query_ListVote(in *vty.ReqListVote) (types.Message, error) {
if in.GetListReq() == nil {
return nil, types.ErrInvalidParam
}
table := newVoteTable(v.GetLocalDB())
//指定了组ID,则查询对应组下的投票列表
groupID := in.GetGroupID()
indexName := voteTablePrimary
var prefix, primaryKey []byte
if len(groupID) > 0 {
indexName = groupTablePrimary
prefix = []byte(groupID)
}
primaryKey = append(primaryKey, []byte(in.GetListReq().GetStartItemID())...)
reply := &vty.ReplyVoteList{CurrentTimestamp: types.Now().Unix()}
listCount := in.ListReq.GetCount()
listMore:
rows, err := table.ListIndex(indexName, prefix, primaryKey, listCount, in.GetListReq().Direction)
// 已经没有数据,直接返回
if err == types.ErrNotFound {
return reply, nil
}
if err != nil {
elog.Error("query listVote", "err", err, "param", in)
return nil, err
}
list := make([]*vty.VoteInfo, 0, len(rows))
for _, row := range rows {
info, ok := row.Data.(*vty.VoteInfo)
if !ok {
return nil, types.ErrTypeAsset
}
list = append(list, info)
}
primaryKey = append(primaryKey[:0], []byte(list[len(list)-1].ID)...)
list = filterVoteWithStatus(list, in.Status, reply.CurrentTimestamp)
reply.VoteList = append(reply.VoteList, list...)
//经过筛选后,数量小于请求数量,则需要再次list, 需要满足len(rows)==listCount, 否则表示已经没有数据
if len(rows) == int(listCount) && int(listCount) > len(list) {
listCount -= int32(len(list))
goto listMore
}
return reply, nil
}
func (v *vote) Query_ListMember(in *vty.ReqListItem) (types.Message, error) {
if in == nil {
return nil, types.ErrInvalidParam
}
table := newMemberTable(v.GetLocalDB())
var primaryKey []byte
primaryKey = append(primaryKey, []byte(in.StartItemID)...)
list := &vty.MemberInfos{}
rows, err := table.ListIndex(memberTablePrimary, nil, primaryKey, in.Count, in.Direction)
// 已经没有数据,直接返回
if err == types.ErrNotFound {
return list, nil
}
if err != nil {
elog.Error("query listMember", "err", err, "param", in)
return nil, err
}
list.MemberList = make([]*vty.MemberInfo, 0, len(rows))
for _, row := range rows {
info, ok := row.Data.(*vty.MemberInfo)
if !ok {
return nil, types.ErrTypeAsset
}
list.MemberList = append(list.MemberList, info)
}
return list, nil
}