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Pablu23
2024-05-21 15:17:29 +02:00
parent 20ad56b155
commit c1fa18fead
7 changed files with 300 additions and 160 deletions
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4
internal/database/chapter.go
View File

@@ -8,9 +8,10 @@ type Chapter struct {
Number string
TimeStampUnix int64
MangaId int
UserId int
}
func NewChapter(id int, mangaId int, url string, name string, number string, timeStampUnix int64) Chapter {
func NewChapter(id int, mangaId int, userId int, url string, name string, number string, timeStampUnix int64) Chapter {
return Chapter{
ChapterId: id,
Url: url,
@@ -18,5 +19,6 @@ func NewChapter(id int, mangaId int, url string, name string, number string, tim
Number: number,
TimeStampUnix: timeStampUnix,
MangaId: mangaId,
UserId: userId,
}
}

15
internal/database/manga.go
View File

@@ -3,7 +3,6 @@ package database
type MangaDefinition struct {
Id int `gorm:"primary_key;AUTO_INCREMENT"`
Title string
TimeStampUnix int64
Thumbnail []byte
LastChapterNum string
// Chapters []Chapter
@@ -15,19 +14,29 @@ type Manga struct {
MangaDefinitionId int
Definition MangaDefinition `gorm:"foreignKey:MangaDefinitionId"`
UserId int
User User
TimeStampUnix int64
Chapters []Chapter `gorm:"foreignKey:MangaId"`
}
func NewMangaDefinition(id int, title string, timeStampUnix int64) MangaDefinition {
func NewMangaDefinition(id int, title string) MangaDefinition {
return MangaDefinition{
Id: id,
Title: title,
TimeStampUnix: timeStampUnix,
LastChapterNum: "",
}
}
func NewManga(def MangaDefinition, user User, timeStampUnix int64) Manga {
return Manga{
MangaDefinitionId: def.Id,
Definition: def,
UserId: user.Id,
User: user,
TimeStampUnix: timeStampUnix,
}
}
// GetLatestChapter TODO: Cache this somehow
func (m *Manga) GetLatestChapter() (*Chapter, bool) {
// highest := int64(0)

1
internal/database/user.go
View File

@@ -6,7 +6,6 @@ type User struct {
LoginName string
PwdHash []byte
Salt []byte
Mangas []Manga `gorm:"foreignKey:UserId"`
}
// type UserManga struct {

236
internal/server/handler.go
View File

@@ -5,40 +5,112 @@ import (
_ "embed"
"errors"
"fmt"
"github.com/pablu23/mangaGetter/internal/database"
"github.com/pablu23/mangaGetter/internal/view"
"golang.org/x/text/cases"
"golang.org/x/text/language"
"gorm.io/gorm"
"html/template"
"net/http"
"slices"
"strconv"
"strings"
"time"
"github.com/pablu23/mangaGetter/internal/database"
"github.com/pablu23/mangaGetter/internal/view"
"golang.org/x/text/cases"
"golang.org/x/text/language"
"gorm.io/gorm"
)
func (s *Server) getSessionFromCookie(w http.ResponseWriter, r *http.Request) (*UserSession, error) {
cookie, err := r.Cookie("session")
if err != nil {
switch {
case errors.Is(err, http.ErrNoCookie):
// http.Error(w, "cookie not found", http.StatusBadRequest)
http.Redirect(w, r, "/login", http.StatusTemporaryRedirect)
default:
fmt.Println(err)
http.Error(w, "server error", http.StatusInternalServerError)
}
}
session, ok := s.Sessions[cookie.Value]
if !ok {
http.Redirect(w, r, "/login", http.StatusTemporaryRedirect)
return nil, errors.New("Unknown Session")
}
return session, err
}
func (s *Server) HandleRegister(w http.ResponseWriter, r *http.Request) {
s.Mutex.Lock()
defer s.Mutex.Unlock()
admin := database.User{
Id: 1,
DisplayName: "admin",
LoginName: "admin",
}
s.DbMgr.Db.Create(&admin)
http.Redirect(w, r, "/login", http.StatusTemporaryRedirect)
}
func (s *Server) HandleLogin(w http.ResponseWriter, r *http.Request) {
s.Mutex.Lock()
defer s.Mutex.Unlock()
// Login
s.Sessions["abcd"] = &UserSession{
User: database.User{
Id: 1,
DisplayName: "admin",
LoginName: "admin",
},
}
cookie := http.Cookie{
Name: "session",
Value: "abcd",
Path: "/",
MaxAge: 3600,
Secure: true,
HttpOnly: false,
SameSite: http.SameSiteLaxMode,
}
http.SetCookie(w, &cookie)
http.Redirect(w, r, "/", http.StatusTemporaryRedirect)
}
func (s *Server) HandleNew(w http.ResponseWriter, r *http.Request) {
title := r.PathValue("title")
chapter := r.PathValue("chapter")
url := fmt.Sprintf("/title/%s/%s", title, chapter)
s.CurrSubUrl = url
s.PrevSubUrl = ""
s.NextSubUrl = ""
s.LoadCurr()
session, err := s.getSessionFromCookie(w, r)
if err != nil {
return
}
go s.LoadNext()
go s.LoadPrev()
session.CurrSubUrl = url
session.PrevSubUrl = ""
session.NextSubUrl = ""
s.LoadCurr(session)
go s.LoadNext(session)
go s.LoadPrev(session)
http.Redirect(w, r, "/current/", http.StatusTemporaryRedirect)
}
func (s *Server) HandleMenu(w http.ResponseWriter, _ *http.Request) {
func (s *Server) HandleMenu(w http.ResponseWriter, r *http.Request) {
tmpl := template.Must(view.GetViewTemplate(view.Menu))
session, err := s.getSessionFromCookie(w, r)
if err != nil {
return
}
var all []*database.Manga
_ = s.DbMgr.Db.Preload("Chapters").Where("user_id = ?", 1).Find(&all)
_ = s.DbMgr.Db.Preload("Chapters").Where("user_id = ?", session.User.Id).Find(&all)
l := len(all)
mangaViewModels := make([]view.MangaViewModel, l)
counter := 0
@@ -148,7 +220,7 @@ func (s *Server) HandleMenu(w http.ResponseWriter, _ *http.Request) {
Mangas: mangaViewModels,
}
err := tmpl.Execute(w, menuViewModel)
err = tmpl.Execute(w, menuViewModel)
if err != nil {
fmt.Println(err)
}
@@ -177,63 +249,77 @@ func (s *Server) HandleDelete(w http.ResponseWriter, r *http.Request) {
func (s *Server) HandleExit(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "/", http.StatusTemporaryRedirect)
// session, err := s.getSessionFromCookie(w, r)
// if err != nil {
// return
// }
go func() {
s.Mutex.Lock()
if s.PrevViewModel != nil {
for _, img := range s.PrevViewModel.Images {
delete(s.ImageBuffers, img.Path)
}
}
if s.CurrViewModel != nil {
for _, img := range s.CurrViewModel.Images {
delete(s.ImageBuffers, img.Path)
}
}
if s.NextViewModel != nil {
for _, img := range s.NextViewModel.Images {
delete(s.ImageBuffers, img.Path)
}
}
s.Mutex.Unlock()
// session.Mutex.Lock()
// if session.PrevViewModel != nil {
// for _, img := range session.PrevViewModel.Images {
// delete(s.ImageBuffers, img.Path)
// }
// }
// if session.CurrViewModel != nil {
//
// for _, img := range session.CurrViewModel.Images {
// delete(s.ImageBuffers, img.Path)
// }
// }
// if session.NextViewModel != nil {
//
// for _, img := range session.NextViewModel.Images {
// delete(s.ImageBuffers, img.Path)
// }
// }
// session.Mutex.Unlock()
fmt.Println("Cleaned last Manga")
}()
}
func (s *Server) HandleCurrent(w http.ResponseWriter, _ *http.Request) {
func (s *Server) HandleCurrent(w http.ResponseWriter, r *http.Request) {
tmpl := template.Must(view.GetViewTemplate(view.Viewer))
mangaId, chapterId, err := s.Provider.GetTitleIdAndChapterId(s.CurrSubUrl)
session, err := s.getSessionFromCookie(w, r)
if err != nil {
return
}
mangaId, chapterId, err := s.Provider.GetTitleIdAndChapterId(session.CurrSubUrl)
if err != nil {
fmt.Println(err)
}
title, chapterName, err := s.Provider.GetTitleAndChapter(s.CurrSubUrl)
title, chapterName, err := s.Provider.GetTitleAndChapter(session.CurrSubUrl)
if err != nil {
fmt.Println(err)
}
var manga database.MangaDefinition
result := s.DbMgr.Db.First(&manga, mangaId)
var mangaDef database.MangaDefinition
result := s.DbMgr.Db.First(&mangaDef, mangaId)
if result.Error != nil && errors.Is(result.Error, gorm.ErrRecordNotFound) {
manga = database.NewMangaDefinition(mangaId, title, time.Now().Unix())
} else {
manga.TimeStampUnix = time.Now().Unix()
mangaDef = database.NewMangaDefinition(mangaId, title)
}
var manga database.Manga
result = s.DbMgr.Db.Where("user_id = ?", session.User.Id).First(&manga, "manga_definition_id = ?", mangaId)
if result.Error != nil && errors.Is(result.Error, gorm.ErrRecordNotFound) {
manga = database.NewManga(mangaDef, session.User, time.Now().Unix())
}
var chapter database.Chapter
result = s.DbMgr.Db.First(&chapter, chapterId)
result = s.DbMgr.Db.Where("user_id = ?", session.User.Id).First(&chapter, "chapter_id = ?", chapterId)
if result.Error != nil && errors.Is(result.Error, gorm.ErrRecordNotFound) {
chapterNumberStr := strings.Replace(chapterName, "ch_", "", 1)
chapter = database.NewChapter(chapterId, mangaId, s.CurrSubUrl, chapterName, chapterNumberStr, time.Now().Unix())
chapter = database.NewChapter(chapterId, mangaId, session.User.Id, session.CurrSubUrl, chapterName, chapterNumberStr, time.Now().Unix())
} else {
chapter.TimeStampUnix = time.Now().Unix()
}
s.DbMgr.Db.Save(&mangaDef)
s.DbMgr.Db.Save(&manga)
s.DbMgr.Db.Save(&chapter)
err = tmpl.Execute(w, s.CurrViewModel)
err = tmpl.Execute(w, session.CurrViewModel)
if err != nil {
fmt.Println(err)
}
@@ -241,8 +327,8 @@ func (s *Server) HandleCurrent(w http.ResponseWriter, _ *http.Request) {
func (s *Server) HandleImage(w http.ResponseWriter, r *http.Request) {
u := r.PathValue("url")
s.Mutex.Lock()
defer s.Mutex.Unlock()
s.Mutex.RLock()
defer s.Mutex.RUnlock()
buf := s.ImageBuffers[u]
if buf == nil {
fmt.Printf("url: %s is nil\n", u)
@@ -271,7 +357,12 @@ func (s *Server) HandleFavicon(w http.ResponseWriter, _ *http.Request) {
func (s *Server) HandleNext(w http.ResponseWriter, r *http.Request) {
fmt.Println("Received Next")
if s.PrevViewModel != nil {
session, err := s.getSessionFromCookie(w, r)
if err != nil {
return
}
if session.PrevViewModel != nil {
go func(viewModel view.ImageViewModel, s *Server) {
s.Mutex.Lock()
for _, img := range viewModel.Images {
@@ -279,26 +370,31 @@ func (s *Server) HandleNext(w http.ResponseWriter, r *http.Request) {
}
s.Mutex.Unlock()
fmt.Println("Cleaned out of scope Last")
}(*s.PrevViewModel, s)
}(*session.PrevViewModel, s)
}
if s.NextViewModel == nil || s.NextSubUrl == "" {
if session.NextViewModel == nil || session.NextSubUrl == "" {
http.Redirect(w, r, "/", http.StatusTemporaryRedirect)
return
}
s.PrevViewModel = s.CurrViewModel
s.CurrViewModel = s.NextViewModel
s.PrevSubUrl = s.CurrSubUrl
s.CurrSubUrl = s.NextSubUrl
session.PrevViewModel = session.CurrViewModel
session.CurrViewModel = session.NextViewModel
session.PrevSubUrl = session.CurrSubUrl
session.CurrSubUrl = session.NextSubUrl
go s.LoadNext()
go s.LoadNext(session)
http.Redirect(w, r, "/current/", http.StatusTemporaryRedirect)
}
func (s *Server) HandlePrev(w http.ResponseWriter, r *http.Request) {
fmt.Println("Received Prev")
if s.NextViewModel != nil {
session, err := s.getSessionFromCookie(w, r)
if err != nil {
return
}
if session.NextViewModel != nil {
go func(viewModel view.ImageViewModel, s *Server) {
s.Mutex.Lock()
for _, img := range viewModel.Images {
@@ -306,20 +402,20 @@ func (s *Server) HandlePrev(w http.ResponseWriter, r *http.Request) {
}
s.Mutex.Unlock()
fmt.Println("Cleaned out of scope Last")
}(*s.NextViewModel, s)
}(*session.NextViewModel, s)
}
if s.PrevViewModel == nil || s.PrevSubUrl == "" {
if session.PrevViewModel == nil || session.PrevSubUrl == "" {
http.Redirect(w, r, "/", http.StatusTemporaryRedirect)
return
}
s.NextViewModel = s.CurrViewModel
s.CurrViewModel = s.PrevViewModel
s.NextSubUrl = s.CurrSubUrl
s.CurrSubUrl = s.PrevSubUrl
session.NextViewModel = session.CurrViewModel
session.CurrViewModel = session.PrevViewModel
session.NextSubUrl = session.CurrSubUrl
session.CurrSubUrl = session.PrevSubUrl
go s.LoadPrev()
go s.LoadPrev(session)
http.Redirect(w, r, "/current/", http.StatusTemporaryRedirect)
}
@@ -363,13 +459,17 @@ func (s *Server) HandleNewQuery(w http.ResponseWriter, r *http.Request) {
url := fmt.Sprintf("/title/%s", sub)
s.CurrSubUrl = url
s.PrevSubUrl = ""
s.NextSubUrl = ""
s.LoadCurr()
session, err := s.getSessionFromCookie(w, r)
if err != nil {
return
}
session.CurrSubUrl = url
session.PrevSubUrl = ""
session.NextSubUrl = ""
s.LoadCurr(session)
go s.LoadNext()
go s.LoadPrev()
go s.LoadNext(session)
go s.LoadPrev(session)
http.Redirect(w, r, "/current/", http.StatusTemporaryRedirect)
}

171
internal/server/server.go
View File

@@ -4,50 +4,57 @@ import (
"bytes"
_ "embed"
"fmt"
"github.com/pablu23/mangaGetter/internal/database"
"github.com/pablu23/mangaGetter/internal/provider"
"github.com/pablu23/mangaGetter/internal/view"
"io"
"net/http"
"path/filepath"
"strconv"
"strings"
"sync"
"time"
"github.com/pablu23/mangaGetter/internal/database"
"github.com/pablu23/mangaGetter/internal/provider"
"github.com/pablu23/mangaGetter/internal/view"
)
type Server struct {
ImageBuffers map[string][]byte
Provider provider.Provider
DbMgr *database.Manager
Mutex *sync.RWMutex
Sessions map[string]*UserSession
}
type UserSession struct {
User database.User
// Mutex *sync.Mutex
PrevSubUrl string
CurrSubUrl string
NextSubUrl string
PrevViewModel *view.ImageViewModel
CurrViewModel *view.ImageViewModel
NextViewModel *view.ImageViewModel
ImageBuffers map[string][]byte
Mutex *sync.Mutex
NextSubUrl string
CurrSubUrl string
PrevSubUrl string
Provider provider.Provider
IsFirst bool
IsLast bool
DbMgr *database.Manager
}
func New(provider provider.Provider, db *database.Manager) *Server {
s := Server{
ImageBuffers: make(map[string][]byte),
Sessions: make(map[string]*UserSession),
Provider: provider,
DbMgr: db,
Mutex: &sync.Mutex{},
Mutex: &sync.RWMutex{},
}
return &s
}
func (s *Server) Start(port int) error {
http.HandleFunc("/register", s.HandleRegister)
http.HandleFunc("/login", s.HandleLogin)
http.HandleFunc("/", s.HandleMenu)
http.HandleFunc("/new/", s.HandleNewQuery)
http.HandleFunc("/new/title/{title}/{chapter}", s.HandleNew)
@@ -62,74 +69,66 @@ func (s *Server) Start(port int) error {
http.HandleFunc("GET /setting/set/{setting}/{value}", s.HandleSettingSet)
// Update Latest Chapters every 5 Minutes
go func(s *Server) {
time.AfterFunc(time.Second*10, func() {
var all []*database.Manga
s.DbMgr.Db.Find(&all)
for _, m := range all {
err, updated := s.UpdateLatestAvailableChapter(m)
if err != nil {
fmt.Println(err)
}
if updated {
s.DbMgr.Db.Save(m)
}
}
})
for {
select {
case <-time.After(time.Minute * 5):
var all []*database.Manga
s.DbMgr.Db.Find(&all)
for _, m := range all {
err, updated := s.UpdateLatestAvailableChapter(m)
if err != nil {
fmt.Println(err)
}
if updated {
s.DbMgr.Db.Save(m)
}
}
}
}
}(s)
// go func(s *Server) {
// time.AfterFunc(time.Second*10, func() {
// var all []*database.Manga
// s.DbMgr.Db.Find(&all)
// for _, m := range all {
// err, updated := s.UpdateLatestAvailableChapter(m)
// if err != nil {
// fmt.Println(err)
// }
// if updated {
// s.DbMgr.Db.Save(m)
// }
// }
// })
//
// for {
// select {
// case <-time.After(time.Minute * 5):
// var all []*database.Manga
// s.DbMgr.Db.Find(&all)
// for _, m := range all {
// err, updated := s.UpdateLatestAvailableChapter(m)
// if err != nil {
// fmt.Println(err)
// }
// if updated {
// s.DbMgr.Db.Save(m)
// }
// }
// }
// }
// }(s)
//
fmt.Println("Server starting...")
err := http.ListenAndServe(fmt.Sprintf(":%d", port), nil)
return err
}
func (s *Server) LoadNext() {
c, err := s.Provider.GetHtml(s.CurrSubUrl)
func (s *Server) LoadNext(session *UserSession) {
next, err := s.Provider.GetHtml(session.CurrSubUrl)
if err != nil {
fmt.Println(err)
s.NextSubUrl = ""
s.NextViewModel = nil
return
}
next, err := s.Provider.GetNext(c)
if err != nil {
fmt.Println(err)
s.NextSubUrl = ""
s.NextViewModel = nil
session.NextSubUrl = ""
session.NextViewModel = nil
return
}
html, err := s.Provider.GetHtml(next)
if err != nil {
fmt.Println(err)
s.NextSubUrl = ""
s.NextViewModel = nil
session.NextSubUrl = ""
session.NextViewModel = nil
return
}
imagesNext, err := s.AppendImagesToBuf(html)
if err != nil {
fmt.Println(err)
s.NextSubUrl = ""
s.NextViewModel = nil
session.NextSubUrl = ""
session.NextViewModel = nil
return
}
@@ -141,39 +140,39 @@ func (s *Server) LoadNext() {
full := strings.Replace(title, "-", " ", -1) + " - " + strings.Replace(chapter, "_", " ", -1)
s.NextViewModel = &view.ImageViewModel{Images: imagesNext, Title: full}
s.NextSubUrl = next
session.NextViewModel = &view.ImageViewModel{Images: imagesNext, Title: full}
session.NextSubUrl = next
fmt.Println("Loaded next")
}
func (s *Server) LoadPrev() {
c, err := s.Provider.GetHtml(s.CurrSubUrl)
func (s *Server) LoadPrev(session *UserSession) {
c, err := s.Provider.GetHtml(session.CurrSubUrl)
if err != nil {
fmt.Println(err)
s.PrevSubUrl = ""
s.PrevViewModel = nil
session.PrevSubUrl = ""
session.PrevViewModel = nil
return
}
prev, err := s.Provider.GetPrev(c)
if err != nil {
fmt.Println(err)
s.PrevSubUrl = ""
s.PrevViewModel = nil
session.PrevSubUrl = ""
session.PrevViewModel = nil
return
}
html, err := s.Provider.GetHtml(prev)
if err != nil {
fmt.Println(err)
s.PrevSubUrl = ""
s.PrevViewModel = nil
session.PrevSubUrl = ""
session.PrevViewModel = nil
return
}
imagesNext, err := s.AppendImagesToBuf(html)
if err != nil {
fmt.Println(err)
s.PrevSubUrl = ""
s.PrevViewModel = nil
session.PrevSubUrl = ""
session.PrevViewModel = nil
return
}
@@ -185,21 +184,21 @@ func (s *Server) LoadPrev() {
full := strings.Replace(title, "-", " ", -1) + " - " + strings.Replace(chapter, "_", " ", -1)
s.PrevViewModel = &view.ImageViewModel{Images: imagesNext, Title: full}
session.PrevViewModel = &view.ImageViewModel{Images: imagesNext, Title: full}
s.PrevSubUrl = prev
session.PrevSubUrl = prev
fmt.Println("Loaded prev")
}
func (s *Server) LoadCurr() {
html, err := s.Provider.GetHtml(s.CurrSubUrl)
func (s *Server) LoadCurr(session *UserSession) {
html, err := s.Provider.GetHtml(session.CurrSubUrl)
if err != nil {
panic(err)
}
imagesCurr, err := s.AppendImagesToBuf(html)
title, chapter, err := s.Provider.GetTitleAndChapter(s.CurrSubUrl)
title, chapter, err := s.Provider.GetTitleAndChapter(session.CurrSubUrl)
if err != nil {
title = "Unknown"
chapter = "ch_?"
@@ -207,7 +206,7 @@ func (s *Server) LoadCurr() {
full := strings.Replace(title, "-", " ", -1) + " - " + strings.Replace(chapter, "_", " ", -1)
s.CurrViewModel = &view.ImageViewModel{Images: imagesCurr, Title: full}
session.CurrViewModel = &view.ImageViewModel{Images: imagesCurr, Title: full}
fmt.Println("Loaded current")
}

31
internal/utils/concurrent_map.go Normal file
View File

@@ -0,0 +1,31 @@
package utils
import "sync"
type ConcurrentMap[K comparable, Value any] struct {
dirty map[K]Value
count int
mutex *sync.RWMutex
}
func NewConcurrentMap[K comparable, V any]() ConcurrentMap[K, V] {
return ConcurrentMap[K, V]{
dirty: make(map[K]V),
count: 0,
mutex: &sync.RWMutex{},
}
}
func (c *ConcurrentMap[K, Value]) Get(key K) (Value, bool) {
c.mutex.RLock()
defer c.mutex.RUnlock()
val, ok := c.dirty[key]
return val, ok
}
func (c *ConcurrentMap[K, Value]) Set(key K, val Value) {
c.mutex.Lock()
defer c.mutex.Unlock()
c.dirty[key] = val
}

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mangaGetter
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