forked from leanote/leanote
/
NotebookService.go
379 lines (331 loc) · 11.9 KB
/
NotebookService.go
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package service
import (
// "fmt"
"sort"
"strings"
"time"
"github.com/leanote-ng/leanote/app/db"
"github.com/leanote-ng/leanote/app/info"
. "github.com/leanote-ng/leanote/app/lea"
"gopkg.in/mgo.v2/bson"
// "html"
)
// 笔记本
type NotebookService struct {
}
// 排序
func sortSubNotebooks(eachNotebooks info.SubNotebooks) info.SubNotebooks {
// 遍历子, 则子往上进行排序
for _, eachNotebook := range eachNotebooks {
if eachNotebook.Subs != nil && len(eachNotebook.Subs) > 0 {
eachNotebook.Subs = sortSubNotebooks(eachNotebook.Subs)
}
}
// 子排完了, 本层排
sort.Sort(&eachNotebooks)
return eachNotebooks
}
// 整理(成有关系)并排序
// GetNotebooks()调用
// ShareService调用
func ParseAndSortNotebooks(userNotebooks []info.Notebook, noParentDelete, needSort bool) info.SubNotebooks {
// 整理成info.Notebooks
// 第一遍, 建map
// notebookId => info.Notebooks
userNotebooksMap := make(map[bson.ObjectId]*info.Notebooks, len(userNotebooks))
for _, each := range userNotebooks {
newNotebooks := info.Notebooks{Subs: info.SubNotebooks{}}
newNotebooks.NotebookId = each.NotebookId
newNotebooks.Title = each.Title
// newNotebooks.Title = html.EscapeString(each.Title)
newNotebooks.Title = strings.Replace(strings.Replace(each.Title, "<script>", "", -1), "</script", "", -1)
newNotebooks.Seq = each.Seq
newNotebooks.UserId = each.UserId
newNotebooks.ParentNotebookId = each.ParentNotebookId
newNotebooks.NumberNotes = each.NumberNotes
newNotebooks.IsTrash = each.IsTrash
newNotebooks.IsBlog = each.IsBlog
// 存地址
userNotebooksMap[each.NotebookId] = &newNotebooks
}
// 第二遍, 追加到父下
// 需要删除的id
needDeleteNotebookId := map[bson.ObjectId]bool{}
for id, each := range userNotebooksMap {
// 如果有父, 那么追加到父下, 并剪掉当前, 那么最后就只有根的元素
if each.ParentNotebookId.Hex() != "" {
if userNotebooksMap[each.ParentNotebookId] != nil {
userNotebooksMap[each.ParentNotebookId].Subs = append(userNotebooksMap[each.ParentNotebookId].Subs, each) // Subs是存地址
// 并剪掉
// bug
needDeleteNotebookId[id] = true
// delete(userNotebooksMap, id)
} else if noParentDelete {
// 没有父, 且设置了要删除
needDeleteNotebookId[id] = true
// delete(userNotebooksMap, id)
}
}
}
// 第三遍, 得到所有根
final := make(info.SubNotebooks, len(userNotebooksMap)-len(needDeleteNotebookId))
i := 0
for id, each := range userNotebooksMap {
if !needDeleteNotebookId[id] {
final[i] = each
i++
}
}
// 最后排序
if needSort {
return sortSubNotebooks(final)
}
return final
}
// 得到某notebook
func (this *NotebookService) GetNotebook(notebookId, userId string) info.Notebook {
notebook := info.Notebook{}
db.GetByIdAndUserId(db.Notebooks, notebookId, userId, ¬ebook)
return notebook
}
func (this *NotebookService) GetNotebookById(notebookId string) info.Notebook {
notebook := info.Notebook{}
db.Get(db.Notebooks, notebookId, ¬ebook)
return notebook
}
func (this *NotebookService) GetNotebookByUserIdAndUrlTitle(userId, notebookIdOrUrlTitle string) info.Notebook {
notebook := info.Notebook{}
if IsObjectId(notebookIdOrUrlTitle) {
db.Get(db.Notebooks, notebookIdOrUrlTitle, ¬ebook)
} else {
db.GetByQ(db.Notebooks, bson.M{"UserId": bson.ObjectIdHex(userId), "UrlTitle": encodeValue(notebookIdOrUrlTitle)}, ¬ebook)
}
return notebook
}
// 同步的方法
func (this *NotebookService) GeSyncNotebooks(userId string, afterUsn, maxEntry int) []info.Notebook {
notebooks := []info.Notebook{}
q := db.Notebooks.Find(bson.M{"UserId": bson.ObjectIdHex(userId), "Usn": bson.M{"$gt": afterUsn}})
q.Sort("Usn").Limit(maxEntry).All(¬ebooks)
return notebooks
}
// 得到用户下所有的notebook
// 排序好之后返回
// [ok]
func (this *NotebookService) GetNotebooks(userId string) info.SubNotebooks {
userNotebooks := []info.Notebook{}
orQ := []bson.M{
bson.M{"IsDeleted": false},
bson.M{"IsDeleted": bson.M{"$exists": false}},
}
db.Notebooks.Find(bson.M{"UserId": bson.ObjectIdHex(userId), "$or": orQ}).All(&userNotebooks)
if len(userNotebooks) == 0 {
return nil
}
return ParseAndSortNotebooks(userNotebooks, true, true)
}
// share调用, 不需要删除没有父的notebook
// 不需要排序, 因为会重新排序
// 通过notebookIds得到notebooks, 并转成层次有序
func (this *NotebookService) GetNotebooksByNotebookIds(notebookIds []bson.ObjectId) info.SubNotebooks {
userNotebooks := []info.Notebook{}
db.Notebooks.Find(bson.M{"_id": bson.M{"$in": notebookIds}}).All(&userNotebooks)
if len(userNotebooks) == 0 {
return nil
}
return ParseAndSortNotebooks(userNotebooks, false, false)
}
// 添加
func (this *NotebookService) AddNotebook(notebook info.Notebook) (bool, info.Notebook) {
if notebook.NotebookId == "" {
notebook.NotebookId = bson.NewObjectId()
}
notebook.UrlTitle = GetUrTitle(notebook.UserId.Hex(), notebook.Title, "notebook", notebook.NotebookId.Hex())
notebook.Usn = userService.IncrUsn(notebook.UserId.Hex())
now := time.Now()
notebook.CreatedTime = now
notebook.UpdatedTime = now
err := db.Notebooks.Insert(notebook)
if err != nil {
return false, notebook
}
return true, notebook
}
// 更新笔记, api
func (this *NotebookService) UpdateNotebookApi(userId, notebookId, title, parentNotebookId string, seq, usn int) (bool, string, info.Notebook) {
if notebookId == "" {
return false, "notebookIdNotExists", info.Notebook{}
}
// 先判断usn是否和数据库的一样, 如果不一样, 则冲突, 不保存
notebook := this.GetNotebookById(notebookId)
// 不存在
if notebook.NotebookId == "" {
return false, "notExists", notebook
} else if notebook.Usn != usn {
return false, "conflict", notebook
}
notebook.Usn = userService.IncrUsn(userId)
notebook.Title = title
updates := bson.M{"Title": title, "Usn": notebook.Usn, "Seq": seq, "UpdatedTime": time.Now()}
if parentNotebookId != "" && bson.IsObjectIdHex(parentNotebookId) {
updates["ParentNotebookId"] = bson.ObjectIdHex(parentNotebookId)
} else {
updates["ParentNotebookId"] = ""
}
ok := db.UpdateByIdAndUserIdMap(db.Notebooks, notebookId, userId, updates)
if ok {
return ok, "", this.GetNotebookById(notebookId)
}
return false, "", notebook
}
// 判断是否是blog
func (this *NotebookService) IsBlog(notebookId string) bool {
notebook := info.Notebook{}
db.GetByQWithFields(db.Notebooks, bson.M{"_id": bson.ObjectIdHex(notebookId)}, []string{"IsBlog"}, ¬ebook)
return notebook.IsBlog
}
// 判断是否是我的notebook
func (this *NotebookService) IsMyNotebook(notebookId, userId string) bool {
return db.Has(db.Notebooks, bson.M{"_id": bson.ObjectIdHex(notebookId), "UserId": bson.ObjectIdHex(userId)})
}
// 更新笔记本信息
// 太广, 不用
/*
func (this *NotebookService) UpdateNotebook(notebook info.Notebook) bool {
return db.UpdateByIdAndUserId2(db.Notebooks, notebook.NotebookId, notebook.UserId, notebook)
}
*/
// 更新笔记本标题
// [ok]
func (this *NotebookService) UpdateNotebookTitle(notebookId, userId, title string) bool {
usn := userService.IncrUsn(userId)
return db.UpdateByIdAndUserIdMap(db.Notebooks, notebookId, userId, bson.M{"Title": title, "Usn": usn})
}
// 更新notebook
func (this *NotebookService) UpdateNotebook(userId, notebookId string, needUpdate bson.M) bool {
needUpdate["UpdatedTime"] = time.Now()
needUpdate["Usn"] = userService.IncrUsn(userId)
return db.UpdateByIdAndUserIdMap(db.Notebooks, notebookId, userId, needUpdate)
}
// ToBlog or Not
func (this *NotebookService) ToBlog(userId, notebookId string, isBlog bool) bool {
updates := bson.M{"IsBlog": isBlog, "Usn": userService.IncrUsn(userId)}
// 笔记本
db.UpdateByIdAndUserIdMap(db.Notebooks, notebookId, userId, updates)
// 更新笔记
q := bson.M{"UserId": bson.ObjectIdHex(userId),
"NotebookId": bson.ObjectIdHex(notebookId)}
data := bson.M{"IsBlog": isBlog}
if isBlog {
data["PublicTime"] = time.Now()
} else {
data["HasSelfDefined"] = false
}
// usn
data["Usn"] = userService.IncrUsn(userId)
db.UpdateByQMap(db.Notes, q, data)
// noteContents也更新, 这个就麻烦了, noteContents表没有NotebookId
// 先查该notebook下所有notes, 得到id
notes := []info.Note{}
db.ListByQWithFields(db.Notes, q, []string{"_id"}, ¬es)
if len(notes) > 0 {
noteIds := make([]bson.ObjectId, len(notes))
for i, each := range notes {
noteIds[i] = each.NoteId
}
db.UpdateByQMap(db.NoteContents, bson.M{"_id": bson.M{"$in": noteIds}}, bson.M{"IsBlog": isBlog})
}
// 重新计算tags
go (func() {
blogService.ReCountBlogTags(userId)
})()
return true
}
// 查看是否有子notebook
// 先查看该notebookId下是否有notes, 没有则删除
func (this *NotebookService) DeleteNotebook(userId, notebookId string) (bool, string) {
if db.Count(db.Notebooks, bson.M{
"ParentNotebookId": bson.ObjectIdHex(notebookId),
"UserId": bson.ObjectIdHex(userId),
"IsDeleted": false,
}) == 0 { // 无
if db.Count(db.Notes, bson.M{"NotebookId": bson.ObjectIdHex(notebookId),
"UserId": bson.ObjectIdHex(userId),
"IsTrash": false,
"IsDeleted": false}) == 0 { // 不包含trash
// 不是真删除 1/20, 为了同步笔记本
ok := db.UpdateByQMap(db.Notebooks, bson.M{"_id": bson.ObjectIdHex(notebookId)}, bson.M{"IsDeleted": true, "Usn": userService.IncrUsn(userId)})
return ok, ""
// return db.DeleteByIdAndUserId(db.Notebooks, notebookId, userId), ""
}
return false, "笔记本下有笔记"
} else {
return false, "笔记本下有子笔记本"
}
}
// API调用, 删除笔记本, 不作笔记控制
func (this *NotebookService) DeleteNotebookForce(userId, notebookId string, usn int) (bool, string) {
notebook := this.GetNotebookById(notebookId)
// 不存在
if notebook.NotebookId == "" {
return false, "notExists"
} else if notebook.Usn != usn {
return false, "conflict"
}
return db.DeleteByIdAndUserId(db.Notebooks, notebookId, userId), ""
}
// 排序
// 传入 notebookId => Seq
// 为什么要传入userId, 防止修改其它用户的信息 (恶意)
// [ok]
func (this *NotebookService) SortNotebooks(userId string, notebookId2Seqs map[string]int) bool {
if len(notebookId2Seqs) == 0 {
return false
}
for notebookId, seq := range notebookId2Seqs {
if !db.UpdateByIdAndUserIdMap(db.Notebooks, notebookId, userId, bson.M{"Seq": seq, "Usn": userService.IncrUsn(userId)}) {
return false
}
}
return true
}
// 排序和设置父
func (this *NotebookService) DragNotebooks(userId string, curNotebookId string, parentNotebookId string, siblings []string) bool {
ok := false
// 如果没parentNotebookId, 则parentNotebookId设空
if parentNotebookId == "" {
ok = db.UpdateByIdAndUserIdMap(db.Notebooks, curNotebookId, userId, bson.M{"ParentNotebookId": "", "Usn": userService.IncrUsn(userId)})
} else {
ok = db.UpdateByIdAndUserIdMap(db.Notebooks, curNotebookId, userId, bson.M{"ParentNotebookId": bson.ObjectIdHex(parentNotebookId), "Usn": userService.IncrUsn(userId)})
}
if !ok {
return false
}
// 排序
for seq, notebookId := range siblings {
if !db.UpdateByIdAndUserIdMap(db.Notebooks, notebookId, userId, bson.M{"Seq": seq, "Usn": userService.IncrUsn(userId)}) {
return false
}
}
return true
}
// 重新统计笔记本下的笔记数目
// noteSevice: AddNote, CopyNote, CopySharedNote, MoveNote
// trashService: DeleteNote (recove不用, 都统一在MoveNote里了)
func (this *NotebookService) ReCountNotebookNumberNotes(notebookId string) bool {
notebookIdO := bson.ObjectIdHex(notebookId)
count := db.Count(db.Notes, bson.M{"NotebookId": notebookIdO, "IsTrash": false, "IsDeleted": false})
// Log(count)
// Log(notebookId)
return db.UpdateByQField(db.Notebooks, bson.M{"_id": notebookIdO}, "NumberNotes", count)
}
func (this *NotebookService) ReCountAll() {
/*
// 得到所有笔记本
notebooks := []info.Notebook{}
db.ListByQWithFields(db.Notebooks, bson.M{}, []string{"NotebookId"}, ¬ebooks)
for _, each := range notebooks {
this.ReCountNotebookNumberNotes(each.NotebookId.Hex())
}
*/
}