Implement Read Only mode
This commit is contained in:
Las Zenow
parent
6464d92dd4
commit
e1bd235785
19 changed files with 544 additions and 335 deletions
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@ -3,22 +3,42 @@ package database
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import (
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log "github.com/cihub/seelog"
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"errors"
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"os"
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"gopkg.in/mgo.v2"
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"gopkg.in/mgo.v2/bson"
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)
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const (
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visited_coll = "visited"
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downloaded_coll = "downloaded"
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tags_coll = "tags"
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)
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type DB struct {
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session *mgo.Session
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name string
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type DB interface {
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Close()
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Copy() DB
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AddBook(book map[string]interface{}) error
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GetBooks(query string, length int, start int) (books []Book, num int, err error)
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GetBooksIter() Iter
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GetNewBooks(query string, length int, start int) (books []Book, num int, err error)
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GetBookId(id string) (Book, error)
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DeleteBook(id string) error
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UpdateBook(id string, data map[string]interface{}) error
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FlagBadQuality(id string, user string) error
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ActiveBook(id string) error
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IsBookActive(id string) bool
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User(name string) *User
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AddUser(name string, pass string) error
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AddNews(text string) error
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GetNews(num int, days int) (news []News, err error)
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AddStats(stats interface{}) error
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GetVisitedBooks() (books []Book, err error)
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UpdateMostVisited() error
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GetDownloadedBooks() (books []Book, err error)
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UpdateDownloadedBooks() error
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GetTags() ([]string, error)
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UpdateTags() error
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GetVisits(visitType VisitType) ([]Visits, error)
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UpdateHourVisits() error
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UpdateDayVisits() error
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UpdateMonthVisits() error
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UpdateHourDownloads() error
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UpdateDayDownloads() error
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UpdateMonthDownloads() error
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}
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type Iter interface {
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@ -26,9 +46,9 @@ type Iter interface {
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Next(interface{}) bool
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}
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func Init(host string, name string) *DB {
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func Init(host string, name string) DB {
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var err error
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db := new(DB)
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db := new(mgoDB)
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db.session, err = mgo.Dial(host)
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if err != nil {
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log.Critical(err)
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@ -39,230 +59,6 @@ func Init(host string, name string) *DB {
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return db
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}
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func (db *DB) initIndexes() {
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dbCopy := db.session.Copy()
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booksColl := dbCopy.DB(db.name).C(books_coll)
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go indexBooks(booksColl)
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statsColl := dbCopy.DB(db.name).C(stats_coll)
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go indexStats(statsColl)
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newsColl := dbCopy.DB(db.name).C(news_coll)
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go indexNews(newsColl)
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}
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func (db *DB) Close() {
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db.session.Close()
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}
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func (db *DB) Copy() *DB {
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dbCopy := new(DB)
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dbCopy.session = db.session.Copy()
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dbCopy.name = db.name
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return dbCopy
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}
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func (db *DB) AddBook(book map[string]interface{}) error {
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booksColl := db.session.DB(db.name).C(books_coll)
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return addBook(booksColl, book)
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}
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func (db *DB) GetBooks(query string, length int, start int) (books []Book, num int, err error) {
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booksColl := db.session.DB(db.name).C(books_coll)
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return getBooks(booksColl, query, length, start)
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}
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func (db *DB) GetBooksIter() Iter {
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booksColl := db.session.DB(db.name).C(books_coll)
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return getBooksIter(booksColl)
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}
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func (db *DB) GetNewBooks(query string, length int, start int) (books []Book, num int, err error) {
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booksColl := db.session.DB(db.name).C(books_coll)
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return getNewBooks(booksColl, query, length, start)
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}
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func (db *DB) GetBookId(id string) (Book, error) {
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booksColl := db.session.DB(db.name).C(books_coll)
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return getBookId(booksColl, id)
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}
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func (db *DB) DeleteBook(id string) error {
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booksColl := db.session.DB(db.name).C(books_coll)
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return deleteBook(booksColl, id)
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}
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func (db *DB) UpdateBook(id string, data map[string]interface{}) error {
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booksColl := db.session.DB(db.name).C(books_coll)
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return updateBook(booksColl, id, data)
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}
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func (db *DB) FlagBadQuality(id string, user string) error {
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booksColl := db.session.DB(db.name).C(books_coll)
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return flagBadQuality(booksColl, id, user)
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}
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func (db *DB) ActiveBook(id string) error {
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booksColl := db.session.DB(db.name).C(books_coll)
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return activeBook(booksColl, id)
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}
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func (db *DB) IsBookActive(id string) bool {
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booksColl := db.session.DB(db.name).C(books_coll)
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return isBookActive(booksColl, id)
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}
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func (db *DB) User(name string) *User {
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userColl := db.session.DB(db.name).C(user_coll)
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return getUser(userColl, name)
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}
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func (db *DB) AddUser(name string, pass string) error {
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userColl := db.session.DB(db.name).C(user_coll)
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return addUser(userColl, name, pass)
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}
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func (db *DB) AddNews(text string) error {
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newsColl := db.session.DB(db.name).C(news_coll)
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return addNews(newsColl, text)
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}
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func (db *DB) GetNews(num int, days int) (news []News, err error) {
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newsColl := db.session.DB(db.name).C(news_coll)
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return getNews(newsColl, num, days)
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}
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// TODO: split code in files
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func (db *DB) AddStats(stats interface{}) error {
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statsColl := db.session.DB(db.name).C(stats_coll)
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return statsColl.Insert(stats)
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}
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/* Get the most visited books
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*/
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func (db *DB) GetVisitedBooks() (books []Book, err error) {
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visitedColl := db.session.DB(db.name).C(visited_coll)
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bookId, err := GetBooksVisited(visitedColl)
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if err != nil {
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return nil, err
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}
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books = make([]Book, len(bookId))
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for i, id := range bookId {
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booksColl := db.session.DB(db.name).C(books_coll)
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booksColl.Find(bson.M{"_id": id}).One(&books[i])
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books[i].Id = bson.ObjectId(books[i].Id).Hex()
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}
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return
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}
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func (db *DB) UpdateMostVisited() error {
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var u dbUpdate
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u.src = db.session.DB(db.name).C(stats_coll)
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u.dst = db.session.DB(db.name).C(visited_coll)
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return u.UpdateMostBooks("book")
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}
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/* Get the most downloaded books
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*/
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func (db *DB) GetDownloadedBooks() (books []Book, err error) {
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downloadedColl := db.session.DB(db.name).C(downloaded_coll)
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bookId, err := GetBooksVisited(downloadedColl)
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if err != nil {
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return nil, err
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}
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books = make([]Book, len(bookId))
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for i, id := range bookId {
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booksColl := db.session.DB(db.name).C(books_coll)
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booksColl.Find(bson.M{"_id": id}).One(&books[i])
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books[i].Id = bson.ObjectId(books[i].Id).Hex()
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}
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return
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}
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func (db *DB) UpdateDownloadedBooks() error {
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var u dbUpdate
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u.src = db.session.DB(db.name).C(stats_coll)
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u.dst = db.session.DB(db.name).C(downloaded_coll)
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return u.UpdateMostBooks("download")
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}
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func (db *DB) GetTags() ([]string, error) {
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tagsColl := db.session.DB(db.name).C(tags_coll)
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return GetTags(tagsColl)
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}
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func (db *DB) UpdateTags() error {
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var u dbUpdate
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u.src = db.session.DB(db.name).C(books_coll)
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u.dst = db.session.DB(db.name).C(tags_coll)
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return u.UpdateTags()
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}
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func (db *DB) GetVisits(visitType VisitType) ([]Visits, error) {
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var coll *mgo.Collection
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switch visitType {
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case Hourly_visits:
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coll = db.session.DB(db.name).C(hourly_visits_coll)
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case Daily_visits:
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coll = db.session.DB(db.name).C(daily_visits_coll)
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case Monthly_visits:
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coll = db.session.DB(db.name).C(monthly_visits_coll)
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case Hourly_downloads:
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coll = db.session.DB(db.name).C(hourly_downloads_coll)
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case Daily_downloads:
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coll = db.session.DB(db.name).C(daily_downloads_coll)
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case Monthly_downloads:
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coll = db.session.DB(db.name).C(monthly_downloads_coll)
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default:
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return nil, errors.New("Not valid VisitType")
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}
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return GetVisits(coll)
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}
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func (db *DB) UpdateHourVisits() error {
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var u dbUpdate
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u.src = db.session.DB(db.name).C(stats_coll)
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u.dst = db.session.DB(db.name).C(hourly_visits_coll)
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return u.UpdateHourVisits(false)
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}
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func (db *DB) UpdateDayVisits() error {
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var u dbUpdate
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u.src = db.session.DB(db.name).C(stats_coll)
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u.dst = db.session.DB(db.name).C(daily_visits_coll)
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return u.UpdateDayVisits(false)
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}
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func (db *DB) UpdateMonthVisits() error {
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var u dbUpdate
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u.src = db.session.DB(db.name).C(stats_coll)
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u.dst = db.session.DB(db.name).C(monthly_visits_coll)
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return u.UpdateMonthVisits(false)
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}
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func (db *DB) UpdateHourDownloads() error {
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var u dbUpdate
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u.src = db.session.DB(db.name).C(stats_coll)
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u.dst = db.session.DB(db.name).C(hourly_downloads_coll)
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return u.UpdateHourVisits(true)
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}
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func (db *DB) UpdateDayDownloads() error {
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var u dbUpdate
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u.src = db.session.DB(db.name).C(stats_coll)
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u.dst = db.session.DB(db.name).C(daily_downloads_coll)
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return u.UpdateDayVisits(true)
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}
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func (db *DB) UpdateMonthDownloads() error {
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var u dbUpdate
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u.src = db.session.DB(db.name).C(stats_coll)
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u.dst = db.session.DB(db.name).C(monthly_downloads_coll)
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return u.UpdateMonthVisits(true)
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}
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// function defined for the tests
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func (db *DB) del() {
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defer db.Close()
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db.session.DB(db.name).DropDatabase()
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func RO(db DB) DB {
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return &roDB{db}
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}
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