WIP

changed it to only load latest chapter instead of all chapters for manga
Added develop and release db from different locations
Added stopwatch for future performance improvement metrics

.gitignore

@@ -2,4 +2,7 @@
 findings.txt
 test.txt
 h.html
-db.sqlite
+*.sqlite
+*.bak
+/bin
+*.exe

Makefile

@@ -2,10 +2,8 @@ run: develop
 	bin/develop
 
 develop:
-	go build -tags Develop -o bin/develop cmd/mangaGetter/main.go
-
+	go build -tags Develop -o bin/develop 
 release:
-	go build -o bin/MangaGetter_unix cmd/mangaGetter/main.go
-
+	go build -o bin/MangaGetter_unix 
 win-amd64:
-	GOOS=windows GOARCH=amd64 go build -o bin/MangaGetter-amd64_windows.exe cmd/mangaGetter/main.go
+	GOOS=windows GOARCH=amd64 go build -o bin/MangaGetter-amd64_windows.exe 

README.md

@@ -8,10 +8,11 @@ That's, why I created this simple pre Loader, right now it's not really user-fri
 a few more features
 
 # Features that might get added:
-- Manga / Chapter History
 - Searchbar
 - Better looking UI
-- Main Screen
+- Genres and Filter
+- More Providers like Asuratoon
+- Performance improvements
 
 # Pretext
 

cmd/mangaGetter/main.go

@@ -1,123 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"mangaGetter/internal/database"
-	"mangaGetter/internal/provider"
-	"mangaGetter/internal/server"
-	"net/http"
-	"os"
-	"os/exec"
-	"os/signal"
-	"path/filepath"
-	"runtime"
-	"time"
-)
-
-func main() {
-	dir, err := os.UserCacheDir()
-	if err != nil {
-		fmt.Println(nil)
-		return
-	}
-
-	dirPath := filepath.Join(dir, "MangaGetter")
-	filePath := filepath.Join(dirPath, "db.sqlite")
-
-	if _, err := os.Stat(dirPath); os.IsNotExist(err) {
-		err = os.Mkdir(dirPath, os.ModePerm)
-		if err != nil {
-			fmt.Println(err)
-			return
-		}
-	}
-
-	if _, err := os.Stat(filePath); os.IsNotExist(err) {
-		f, err := os.Create(filePath)
-		if err != nil {
-			fmt.Println(err)
-			return
-		}
-		err = f.Close()
-		if err != nil {
-			fmt.Println(err)
-			return
-		}
-	}
-
-	db := database.NewDatabase(filePath, true)
-	err = db.Open()
-	if err != nil {
-		fmt.Println(err)
-		return
-	}
-
-	s := server.New(&provider.Bato{}, &db)
-
-	c := make(chan os.Signal, 1)
-	signal.Notify(c, os.Interrupt)
-
-	go func() {
-		for range c {
-			Close(&db)
-		}
-	}()
-
-	http.HandleFunc("/", s.HandleMenu)
-	http.HandleFunc("/new/", s.HandleNewQuery)
-	http.HandleFunc("/new/title/{title}/{chapter}", s.HandleNew)
-	http.HandleFunc("/current/", s.HandleCurrent)
-	http.HandleFunc("/img/{url}/", s.HandleImage)
-	http.HandleFunc("POST /next", s.HandleNext)
-	http.HandleFunc("POST /prev", s.HandlePrev)
-	http.HandleFunc("POST /exit", s.HandleExit)
-	http.HandleFunc("POST /delete", s.HandleDelete)
-	http.HandleFunc("/favicon.ico", s.HandleFavicon)
-
-	go func() {
-		time.Sleep(300 * time.Millisecond)
-		err := open("http://localhost:8000")
-		if err != nil {
-			fmt.Println(err)
-		}
-	}()
-
-	fmt.Println("Server starting...")
-	err = http.ListenAndServe(":8000", nil)
-	if err != nil {
-		fmt.Println(err)
-		return
-	}
-}
-
-func open(url string) error {
-	var cmd string
-	var args []string
-
-	switch runtime.GOOS {
-	case "windows":
-		cmd = "cmd"
-		args = []string{"/c", "start"}
-	case "darwin":
-		cmd = "open"
-	default: // "linux", "freebsd", "openbsd", "netbsd"
-		cmd = "xdg-open"
-	}
-	args = append(args, url)
-	return exec.Command(cmd, args...).Start()
-}
-
-func Close(db *database.Manager) {
-	fmt.Println("Attempting to save and close DB")
-	err := db.Save()
-	if err != nil {
-		fmt.Println(err)
-		return
-	}
-
-	err = db.Close()
-	if err != nil {
-		fmt.Println(err)
-	}
-	os.Exit(0)
-}

develop.go

@@ -0,0 +1,9 @@
+//go:build Develop
+
+package main
+
+const port = 8080
+
+func getDbPath() string {
+	return "db.sqlite"
+}

go.mod

@@ -1,4 +1,4 @@
-module mangaGetter
+module github.com/pablu23/mangaGetter
 
 go 1.22
 
@@ -6,3 +6,10 @@ require (
 	github.com/mattn/go-sqlite3 v1.14.22
 	golang.org/x/text v0.14.0
 )
+
+require (
+	github.com/jinzhu/inflection v1.0.0 // indirect
+	github.com/jinzhu/now v1.1.5 // indirect
+	gorm.io/driver/sqlite v1.5.5
+	gorm.io/gorm v1.25.10
+)

go.sum

@@ -1,4 +1,12 @@
+github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
+github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
+github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
+github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
 github.com/mattn/go-sqlite3 v1.14.22 h1:2gZY6PC6kBnID23Tichd1K+Z0oS6nE/XwU+Vz/5o4kU=
 github.com/mattn/go-sqlite3 v1.14.22/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
 golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
 golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+gorm.io/driver/sqlite v1.5.5 h1:7MDMtUZhV065SilG62E0MquljeArQZNfJnjd9i9gx3E=
+gorm.io/driver/sqlite v1.5.5/go.mod h1:6NgQ7sQWAIFsPrJJl1lSNSu2TABh0ZZ/zm5fosATavE=
+gorm.io/gorm v1.25.10 h1:dQpO+33KalOA+aFYGlK+EfxcI5MbO7EP2yYygwh9h+s=
+gorm.io/gorm v1.25.10/go.mod h1:hbnx/Oo0ChWMn1BIhpy1oYozzpM15i4YPuHDmfYtwg8=

internal/database/chapter.go

@@ -0,0 +1,24 @@
+package database
+
+type Chapter struct {
+	Id            int `gorm:"primary_key;autoIncrement;"`
+	ChapterId     int
+	Url           string
+	Name          string
+	Number        string
+	TimeStampUnix int64
+	MangaId       int
+	UserId        int
+}
+
+func NewChapter(id int, mangaId int, userId int, url string, name string, number string, timeStampUnix int64) Chapter {
+	return Chapter{
+		ChapterId:     id,
+		Url:           url,
+		Name:          name,
+		Number:        number,
+		TimeStampUnix: timeStampUnix,
+		MangaId:       mangaId,
+    UserId: userId,
+	}
+}

internal/database/createDb.sql

@@ -1,16 +0,0 @@
-create table if not exists Manga (
-    ID integer not null primary key,
-    Title text,
-    TimeStampUnixEpoch int,
-    Thumbnail blob
-);
-
-create table if not exists Chapter (
-    ID integer not null primary key,
-    MangaID integer not null,
-    Url text not null,
-    Name text null,
-    Number int not null,
-    TimeStampUnixEpoch int,
-    foreign key(MangaID) references Manga(ID)
-);

internal/database/database.go

@@ -1,222 +1,59 @@
 package database
 
 import (
-	"bytes"
-	"database/sql"
 	_ "embed"
-	"fmt"
-	"sync"
-
 	_ "github.com/mattn/go-sqlite3"
+	"gorm.io/driver/sqlite"
+	"gorm.io/gorm"
 )
 
-type Manga struct {
-	Id            int
-	Title         string
-	TimeStampUnix int64
-	Thumbnail     *bytes.Buffer
-
-	// Not in DB
-	LatestChapter *Chapter
-}
-
-type Chapter struct {
-	Id            int
-	Manga         *Manga
-	Url           string
-	Name          string
-	Number        int
-	TimeStampUnix int64
-}
-
 type Manager struct {
-	ConnectionString string
-	db               *sql.DB
-
-	Rw       *sync.Mutex
-	Mangas   map[int]*Manga
-	Chapters map[int]*Chapter
-
+	ConnectionString  string
+	Db                *gorm.DB
 	CreateIfNotExists bool
 }
 
 func NewDatabase(connectionString string, createIfNotExists bool) Manager {
 	return Manager{
 		ConnectionString:  connectionString,
-		Rw:                &sync.Mutex{},
-		Mangas:            make(map[int]*Manga),
-		Chapters:          make(map[int]*Chapter),
+		Db:                nil,
 		CreateIfNotExists: createIfNotExists,
 	}
 }
 
 func (dbMgr *Manager) Open() error {
-	db, err := sql.Open("sqlite3", dbMgr.ConnectionString)
+	db, err := gorm.Open(sqlite.Open(dbMgr.ConnectionString), &gorm.Config{})
 	if err != nil {
 		return err
 	}
-	dbMgr.db = db
+	dbMgr.Db = db
 	if dbMgr.CreateIfNotExists {
 		err = dbMgr.createDatabaseIfNotExists()
 		if err != nil {
 			return err
 		}
 	}
-	err = dbMgr.load()
 	return err
 }
 
 func (dbMgr *Manager) Close() error {
-	err := dbMgr.db.Close()
+	sql, err := dbMgr.Db.DB()
 	if err != nil {
 		return err
 	}
-
-	dbMgr.Mangas = nil
-	dbMgr.Chapters = nil
-	dbMgr.db = nil
-	return nil
-}
-
-func (dbMgr *Manager) Delete(mangaId int) error {
-	db := dbMgr.db
-	fmt.Println("Locking Rw in database.go:84")
-	dbMgr.Rw.Lock()
-	defer func() {
-		fmt.Println("Unlocking Rw in database.go:87")
-		dbMgr.Rw.Unlock()
-	}()
-
-	_, err := db.Exec("DELETE from Chapter where MangaID = ?", mangaId)
+	err = sql.Close()
 	if err != nil {
 		return err
 	}
-
-	_, err = db.Exec("DELETE  from Manga where ID = ?", mangaId)
-	if err != nil {
-		return err
-	}
-
-	for i, chapter := range dbMgr.Chapters {
-		if chapter.Manga.Id == mangaId {
-			delete(dbMgr.Chapters, i)
-		}
-	}
-	delete(dbMgr.Mangas, mangaId)
+	dbMgr.Db = nil
 	return nil
 }
 
-func (dbMgr *Manager) Save() error {
-	db := dbMgr.db
-
-	fmt.Println("Locking Rw in database.go:113")
-	dbMgr.Rw.Lock()
-	defer func() {
-		fmt.Println("Unlocking Rw in database.go:116")
-		dbMgr.Rw.Unlock()
-	}()
-	for _, m := range dbMgr.Mangas {
-		count := 0
-		err := db.QueryRow("SELECT COUNT(*) FROM Manga where ID = ?", m.Id).Scan(&count)
-		if err != nil {
-			return err
-		}
-
-		if count == 0 {
-			if m.Thumbnail != nil {
-				_, err := db.Exec("INSERT INTO Manga(ID, Title, TimeStampUnixEpoch, Thumbnail) values(?, ?, ?, ?)", m.Id, m.Title, m.TimeStampUnix, m.Thumbnail.Bytes())
-				if err != nil {
-					return err
-				}
-			} else {
-				_, err := db.Exec("INSERT INTO Manga(ID, Title, TimeStampUnixEpoch ) values(?, ?, ?)", m.Id, m.Title, m.TimeStampUnix)
-				if err != nil {
-					return err
-				}
-			}
-		} else {
-			_, err := db.Exec("UPDATE Manga set Title = ?, TimeStampUnixEpoch = ? WHERE ID = ?", m.Title, m.TimeStampUnix, m.Id)
-			if err != nil {
-				return err
-			}
-		}
-	}
-
-	for _, c := range dbMgr.Chapters {
-		count := 0
-		err := db.QueryRow("SELECT COUNT(*) FROM Chapter where ID = ?", c.Id).Scan(&count)
-		if err != nil {
-			return err
-		}
-
-		if count == 0 {
-			_, err := db.Exec("INSERT INTO Chapter(ID, MangaID, Url, Name, Number, TimeStampUnixEpoch) VALUES (?, ?, ?, ?, ?, ?)", c.Id, c.Manga.Id, c.Url, c.Name, c.Number, c.TimeStampUnix)
-			if err != nil {
-				return err
-			}
-		} else {
-			_, err = db.Exec("UPDATE Chapter set Name = ?, Url = ?, Number = ?, TimeStampUnixEpoch = ? where ID = ?", c.Name, c.Url, c.Number, c.TimeStampUnix, c.Id)
-			if err != nil {
-				return err
-			}
-		}
-	}
-
-	return nil
+func (dbMgr *Manager) Delete(mangaId int) {
+	dbMgr.Db.Delete(&Manga{}, mangaId)
 }
 
-//go:embed createDb.sql
-var createSql string
-
 func (dbMgr *Manager) createDatabaseIfNotExists() error {
-	_, err := dbMgr.db.Exec(createSql)
+	err := dbMgr.Db.AutoMigrate(&MangaDefinition{}, &User{}, &Manga{}, &Chapter{}, &Setting{})
 	return err
 }
-
-func (dbMgr *Manager) load() error {
-	db := dbMgr.db
-
-	fmt.Println("Locking Rw in database.go:180")
-	dbMgr.Rw.Lock()
-	defer func() {
-		fmt.Println("Unlocking Rw in database.go:183")
-		dbMgr.Rw.Unlock()
-	}()
-
-	rows, err := db.Query("SELECT * FROM Manga")
-	if err != nil {
-		return err
-	}
-
-	for rows.Next() {
-		manga := Manga{}
-		var thumbnail []byte
-		if err = rows.Scan(&manga.Id, &manga.Title, &manga.TimeStampUnix, &thumbnail); err != nil {
-			return err
-		}
-		manga.Thumbnail = bytes.NewBuffer(thumbnail)
-		dbMgr.Mangas[manga.Id] = &manga
-	}
-
-	rows, err = db.Query("SELECT * FROM Chapter")
-	if err != nil {
-		return err
-	}
-
-	for rows.Next() {
-		chapter := Chapter{}
-		var mangaID int
-		if err = rows.Scan(&chapter.Id, &mangaID, &chapter.Url, &chapter.Name, &chapter.Number, &chapter.TimeStampUnix); err != nil {
-			return err
-		}
-
-		chapter.Manga = dbMgr.Mangas[mangaID]
-		if dbMgr.Mangas[mangaID].LatestChapter == nil || dbMgr.Mangas[mangaID].LatestChapter.TimeStampUnix < chapter.TimeStampUnix {
-			dbMgr.Mangas[mangaID].LatestChapter = &chapter
-		}
-
-		dbMgr.Chapters[chapter.Id] = &chapter
-	}
-
-	return nil
-}

internal/database/manga.go

@@ -0,0 +1,65 @@
+package database
+
+type MangaDefinition struct {
+	Id             int `gorm:"primary_key;AUTO_INCREMENT"`
+	Title          string
+	Thumbnail      []byte
+	LastChapterNum string
+	// Chapters       []Chapter
+	//`gorm:"foreignkey:MangaID"`
+}
+
+type Manga struct {
+	Id                int `gorm:"primary_key;AUTO_INCREMENT"`
+	MangaDefinitionId int
+	Definition        MangaDefinition `gorm:"foreignKey:MangaDefinitionId"`
+	UserId            int
+	User              User
+	TimeStampUnix     int64
+	Chapters          []Chapter `gorm:"foreignKey:MangaId"`
+}
+
+func NewMangaDefinition(id int, title string) MangaDefinition {
+	return MangaDefinition{
+		Id:             id,
+		Title:          title,
+		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)
+	// index := 0
+	// for i, chapter := range m.Chapters {
+	// 	if chapter.MangaId == m.Manga.Id && highest < chapter.TimeStampUnix {
+	// 		highest = chapter.TimeStampUnix
+	// 		index = i
+	// 	}
+	// }
+
+	// if highest == 0 {
+	return nil, false
+	// }
+
+	// return &m.Chapters[index], true
+
+	//result := db.Where("manga.id = ?", m.Id).Order("TimeStampUnix desc").Take(&chapter)
+	//if result.Error != nil && !errors.Is(result.Error, gorm.ErrRecordNotFound) {
+	//	return &chapter, true, result.Error
+	//} else if errors.Is(result.Error, gorm.ErrRecordNotFound) {
+	//	return &chapter, false, nil
+	//} else {
+	//	return &chapter, true, nil
+	//}
+}

internal/database/setting.go

@@ -0,0 +1,27 @@
+package database
+
+type Setting struct {
+	Name    string `gorm:"PRIMARY_KEY"`
+	Value   string
+	Default string
+}
+
+func NewSetting(name string, defaultValue string) Setting {
+	return Setting{
+		Name:    name,
+		Value:   defaultValue,
+		Default: defaultValue,
+	}
+}
+
+//func initSettings(settings *DbTable[string, Setting]) {
+//	addSettingIfNotExists("theme", "white", settings)
+//	addSettingIfNotExists("order", "title", settings)
+//}
+//
+//func addSettingIfNotExists(name string, value string, settings *DbTable[string, Setting]) {
+//	_, exists := settings.Get(name)
+//	if !exists {
+//		settings.Set(name, NewSetting(name, value))
+//	}
+//}

internal/database/user.go

@@ -0,0 +1,17 @@
+package database
+
+type User struct {
+	Id          int `gorm:"primary_key;AUTO_INCREMENT"`
+	DisplayName string
+	LoginName   string
+	PwdHash     []byte
+	Salt        []byte
+}
+
+// type UserManga struct {
+// 	Id          int `gorm:"primary_key;AUTO_INCREMENT"`
+// 	DisplayName string
+// 	Manga       Manga
+// 	User        User
+// 	// Chapters    []Chapter `gorm:"ForeignKey:ChapterId,UserId;References:Id,UserId"`
+// }

internal/provider/bato.go

@@ -109,9 +109,24 @@ func (b *Bato) GetTitleIdAndChapterId(url string) (titleId int, chapterId int, e
 	return t, c, err
 }
 
-//func (b *Bato) GetChapterList(url string) (chapterIds []int, err error) {
-//
-//}
+func (b *Bato) GetChapterList(subUrl string) (subUrls []string, err error) {
+	reg, err := regexp.Compile(`<div class="space-x-1">.*?<a href="(.*?)" .*?>.*?</a>`)
+	if err != nil {
+		return nil, err
+	}
+
+	html, err := b.GetHtml(subUrl)
+	if err != nil {
+		return nil, err
+	}
+
+	subUrls = make([]string, 0)
+	matches := reg.FindAllStringSubmatch(html, -1)
+	for _, match := range matches {
+		subUrls = append(subUrls, match[1])
+	}
+	return subUrls, nil
+}
 
 func (b *Bato) GetThumbnail(subUrl string) (thumbnailUrl string, err error) {
 	url := fmt.Sprintf("https://bato.to/title/%s", subUrl)

internal/provider/provider.go

@@ -8,4 +8,5 @@ type Provider interface {
 	GetTitleAndChapter(url string) (title string, chapter string, err error)
 	GetTitleIdAndChapterId(url string) (titleId int, chapterId int, err error)
 	GetThumbnail(mangaId string) (thumbnailUrl string, err error)
+	GetChapterList(url string) (urls []string, err error)
 }

internal/server/handler.go

@@ -1,87 +1,226 @@
 package server
 
 import (
-	"bytes"
 	"cmp"
 	_ "embed"
+	"errors"
 	"fmt"
-	"golang.org/x/text/cases"
-	"golang.org/x/text/language"
 	"html/template"
-	"mangaGetter/internal/database"
-	"mangaGetter/internal/view"
 	"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.Mutex.Lock()
-	s.ImageBuffers = make(map[string]*bytes.Buffer)
-	s.Mutex.Unlock()
-	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))
 
-	fmt.Println("Locking Rw in handler.go:43")
-	s.DbMgr.Rw.Lock()
-	defer func() {
-		fmt.Println("Unlocking Rw in handler.go:46")
-		s.DbMgr.Rw.Unlock()
-	}()
-
-	all := s.DbMgr.Mangas
+	session, err := s.getSessionFromCookie(w, r)
+	if err != nil {
+		return
+	}
+	var all []*database.Manga
+	_ = s.DbMgr.Db.Preload("Chapters").Where("user_id = ?", session.User.Id).Find(&all)
 	l := len(all)
 	mangaViewModels := make([]view.MangaViewModel, l)
 	counter := 0
 
-	for _, manga := range all {
-		title := cases.Title(language.English, cases.Compact).String(strings.Replace(manga.Title, "-", " ", -1))
+	n := time.Now().UnixNano()
 
-		thumbnail, err := s.LoadThumbnail(manga.Id)
+	var tmp []database.Setting
+	s.DbMgr.Db.Find(&tmp)
+	settings := make(map[string]database.Setting)
+	for _, m := range tmp {
+		settings[m.Name] = m
+	}
+
+	var thumbNs int64 = 0
+	var titNs int64 = 0
+
+	//TODO: Change all this to be more performant
+	for _, manga := range all {
+		title := cases.Title(language.English, cases.Compact).String(strings.Replace(manga.Definition.Title, "-", " ", -1))
+
+		t1 := time.Now().UnixNano()
+
+		thumbnail, updated, err := s.LoadThumbnail(manga)
+		//TODO: Add default picture instead of not showing Manga at all
 		if err != nil {
 			continue
 		}
-		manga.Thumbnail = s.ImageBuffers[thumbnail]
+		if updated {
+			s.DbMgr.Db.Save(manga)
+		}
+
+		t2 := time.Now().UnixNano()
+
+		thumbNs += t2 - t1
+
+		t1 = time.Now().UnixNano()
+
+		// This is very slow
+		// TODO: put this into own Method
+		if manga.Definition.LastChapterNum == "" {
+			err, updated := s.UpdateLatestAvailableChapter(manga)
+			if err != nil {
+				fmt.Println(err)
+			}
+			if updated {
+				s.DbMgr.Db.Save(manga.Definition)
+			}
+		}
+
+		t2 = time.Now().UnixNano()
+
+		titNs += t2 - t1
+		latestChapter, ok := manga.GetLatestChapter()
+		if !ok {
+			continue
+		}
 
 		mangaViewModels[counter] = view.MangaViewModel{
-			ID:     manga.Id,
-			Title:  title,
-			Number: manga.LatestChapter.Number,
+			ID:         manga.Definition.Id,
+			Title:      title,
+			Number:     latestChapter.Number,
+			LastNumber: manga.Definition.LastChapterNum,
 			// I Hate this time Format... 15 = hh, 04 = mm, 02 = DD, 01 = MM, 06 == YY
 			LastTime:     time.Unix(manga.TimeStampUnix, 0).Format("15:04 (02-01-06)"),
-			Url:          manga.LatestChapter.Url,
+			Url:          latestChapter.Url,
 			ThumbnailUrl: thumbnail,
 		}
 		counter++
 	}
 
-	slices.SortStableFunc(mangaViewModels, func(a, b view.MangaViewModel) int {
-		return cmp.Compare(a.Title, b.Title)
-	})
+	fmt.Printf("Loading Thumbnails took %d ms\n", (thumbNs)/1000000)
+	fmt.Printf("Loading latest Chapters took %d ms\n", (titNs)/1000000)
 
-	menuViewModel := view.MenuViewModel{
-		Mangas: mangaViewModels,
+	nex := time.Now().UnixNano()
+	fmt.Printf("Creating Viewmodels took %d ms\n", (nex-n)/1000000)
+
+	n = time.Now().UnixNano()
+
+	order, ok := settings["order"]
+	if !ok || order.Value == "title" {
+		slices.SortStableFunc(mangaViewModels, func(a, b view.MangaViewModel) int {
+			return cmp.Compare(a.Title, b.Title)
+		})
+	} else if order.Value == "chapter" {
+		slices.SortStableFunc(mangaViewModels, func(a, b view.MangaViewModel) int {
+			return cmp.Compare(b.Number, a.Number)
+		})
+	} else if order.Value == "last" {
+		slices.SortStableFunc(mangaViewModels, func(a, b view.MangaViewModel) int {
+			aT, err := time.Parse("15:04 (02-01-06)", a.LastTime)
+			if err != nil {
+				return cmp.Compare(a.Title, b.Title)
+			}
+			bT, err := time.Parse("15:04 (02-01-06)", b.LastTime)
+			if err != nil {
+				return cmp.Compare(a.Title, b.Title)
+			}
+			return bT.Compare(aT)
+		})
 	}
 
-	err := tmpl.Execute(w, menuViewModel)
+	nex = time.Now().UnixNano()
+	fmt.Printf("Sorting took %d ms\n", (nex-n)/1000000)
+
+	menuViewModel := view.MenuViewModel{
+		Settings: settings,
+		Mangas:   mangaViewModels,
+	}
+
+	err = tmpl.Execute(w, menuViewModel)
 	if err != nil {
 		fmt.Println(err)
 	}
@@ -102,80 +241,85 @@ func (s *Server) HandleDelete(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	err = s.DbMgr.Delete(mangaId)
-	if err != nil {
-		fmt.Println(err)
-	}
+	s.DbMgr.Delete(mangaId)
 
 	http.Redirect(w, r, "/", http.StatusTemporaryRedirect)
 }
 
 func (s *Server) HandleExit(w http.ResponseWriter, r *http.Request) {
-	err := s.DbMgr.Save()
-	if err != nil {
-		fmt.Println(err)
-		return
-	}
-
 	http.Redirect(w, r, "/", http.StatusTemporaryRedirect)
+
+	// session, err := s.getSessionFromCookie(w, r)
+	// if err != nil {
+	// 	return
+	// }
+
+	go func() {
+		// 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))
-
-	fmt.Println("Locking Rw in handler.go:125")
-	s.DbMgr.Rw.Lock()
-	defer func() {
-		fmt.Println("Unlocking Rw in handler.go:128")
-		s.DbMgr.Rw.Unlock()
-	}()
-
-	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)
-	} else {
-		title, chapter, err := s.Provider.GetTitleAndChapter(s.CurrSubUrl)
-		if err != nil {
-			fmt.Println(err)
-		} else {
-			var manga *database.Manga
-			if s.DbMgr.Mangas[mangaId] == nil {
-				manga = &database.Manga{
-					Id:            mangaId,
-					Title:         title,
-					TimeStampUnix: time.Now().Unix(),
-				}
-				s.DbMgr.Mangas[mangaId] = manga
-			} else {
-				manga = s.DbMgr.Mangas[mangaId]
-				s.DbMgr.Mangas[mangaId].TimeStampUnix = time.Now().Unix()
-			}
-
-			if s.DbMgr.Chapters[chapterId] == nil {
-				chapterNumberStr := strings.Replace(chapter, "ch_", "", 1)
-				number, err := strconv.Atoi(chapterNumberStr)
-				if err != nil {
-					fmt.Println(err)
-					number = 0
-				}
-
-				s.DbMgr.Chapters[chapterId] = &database.Chapter{
-					Id:            chapterId,
-					Manga:         manga,
-					Url:           s.CurrSubUrl,
-					Name:          chapter,
-					Number:        number,
-					TimeStampUnix: time.Now().Unix(),
-				}
-			} else {
-				s.DbMgr.Chapters[chapterId].TimeStampUnix = time.Now().Unix()
-			}
-
-			s.DbMgr.Mangas[mangaId].LatestChapter = s.DbMgr.Chapters[chapterId]
-		}
 	}
 
-	err = tmpl.Execute(w, s.CurrViewModel)
+	title, chapterName, err := s.Provider.GetTitleAndChapter(session.CurrSubUrl)
+	if err != nil {
+		fmt.Println(err)
+	}
+
+	var mangaDef database.MangaDefinition
+	result := s.DbMgr.Db.First(&mangaDef, mangaId)
+	if result.Error != nil && errors.Is(result.Error, gorm.ErrRecordNotFound) {
+		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.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, 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, session.CurrViewModel)
 	if err != nil {
 		fmt.Println(err)
 	}
@@ -183,8 +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)
@@ -193,7 +337,7 @@ func (s *Server) HandleImage(w http.ResponseWriter, r *http.Request) {
 	}
 
 	w.Header().Set("Content-Type", "image/webp")
-	_, err := w.Write(buf.Bytes())
+	_, err := w.Write(buf)
 	if err != nil {
 		fmt.Println(err)
 	}
@@ -202,7 +346,7 @@ func (s *Server) HandleImage(w http.ResponseWriter, r *http.Request) {
 //go:embed favicon.ico
 var ico []byte
 
-func (s *Server) HandleFavicon(w http.ResponseWriter, r *http.Request) {
+func (s *Server) HandleFavicon(w http.ResponseWriter, _ *http.Request) {
 	w.Header().Set("Content-Type", "image/webp")
 	_, err := w.Write(ico)
 	if err != nil {
@@ -213,7 +357,12 @@ func (s *Server) HandleFavicon(w http.ResponseWriter, r *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 {
@@ -221,30 +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)
-		err := s.DbMgr.Save()
-		if err != nil {
-			fmt.Println(err)
-		}
 		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 {
@@ -252,43 +402,74 @@ 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)
-		err := s.DbMgr.Save()
-		if err != nil {
-			fmt.Println(err)
-		}
 		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)
 }
 
+func (s *Server) HandleSettingSet(w http.ResponseWriter, r *http.Request) {
+	settingName := r.PathValue("setting")
+	settingValue := r.PathValue("value")
+
+	var setting database.Setting
+	res := s.DbMgr.Db.First(&setting, "name = ?", settingName)
+
+	if res.Error != nil && errors.Is(res.Error, gorm.ErrRecordNotFound) {
+		set := database.NewSetting(settingName, settingValue)
+		s.DbMgr.Db.Save(&set)
+	} else {
+		s.DbMgr.Db.Model(&setting).Update("value", settingValue)
+	}
+
+	http.Redirect(w, r, "/", http.StatusTemporaryRedirect)
+}
+
+func (s *Server) HandleSetting(w http.ResponseWriter, r *http.Request) {
+	settingName := r.PostFormValue("setting")
+	settingValue := r.PostFormValue(settingName)
+
+	var setting database.Setting
+	res := s.DbMgr.Db.First(&setting, "name = ?", settingName)
+
+	if res.Error != nil && errors.Is(res.Error, gorm.ErrRecordNotFound) {
+		set := database.NewSetting(settingName, settingValue)
+		s.DbMgr.Db.Save(&set)
+	} else {
+		s.DbMgr.Db.Model(&setting).Update("value", settingValue)
+	}
+
+	http.Redirect(w, r, "/", http.StatusTemporaryRedirect)
+}
+
 func (s *Server) HandleNewQuery(w http.ResponseWriter, r *http.Request) {
 	sub := r.PostFormValue("subUrl")
 
 	url := fmt.Sprintf("/title/%s", sub)
 
-	s.Mutex.Lock()
-	s.ImageBuffers = make(map[string]*bytes.Buffer)
-	s.Mutex.Unlock()
-	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)
 }

internal/server/server.go

@@ -5,77 +5,130 @@ import (
 	_ "embed"
 	"fmt"
 	"io"
-	"mangaGetter/internal/database"
-	"mangaGetter/internal/provider"
-	"mangaGetter/internal/view"
 	"net/http"
 	"path/filepath"
 	"strconv"
 	"strings"
 	"sync"
+
+	"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]*bytes.Buffer
-	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]*bytes.Buffer),
+		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) LoadNext() {
-	c, err := s.Provider.GetHtml(s.CurrSubUrl)
-	if err != nil {
-		fmt.Println(err)
-		s.NextSubUrl = ""
-		s.NextViewModel = nil
-		return
-	}
+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)
+	http.HandleFunc("/current/", s.HandleCurrent)
+	http.HandleFunc("/img/{url}/", s.HandleImage)
+	http.HandleFunc("POST /next", s.HandleNext)
+	http.HandleFunc("POST /prev", s.HandlePrev)
+	http.HandleFunc("POST /exit", s.HandleExit)
+	http.HandleFunc("POST /delete", s.HandleDelete)
+	http.HandleFunc("/favicon.ico", s.HandleFavicon)
+	http.HandleFunc("POST /setting/", s.HandleSetting)
+	http.HandleFunc("GET /setting/set/{setting}/{value}", s.HandleSettingSet)
 
-	next, err := s.Provider.GetNext(c)
+	// 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)
+	//
+	fmt.Println("Server starting...")
+	err := http.ListenAndServe(fmt.Sprintf(":%d", port), nil)
+	return err
+}
+
+func (s *Server) LoadNext(session *UserSession) {
+	next, err := s.Provider.GetHtml(session.CurrSubUrl)
 	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
 	}
 
@@ -87,39 +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
 	}
 
@@ -131,21 +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_?"
@@ -153,29 +206,59 @@ 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")
 }
 
-func (s *Server) LoadThumbnail(mangaId int) (path string, err error) {
-	strId := strconv.Itoa(mangaId)
+func (s *Server) UpdateLatestAvailableChapter(manga *database.Manga) (error, bool) {
+	fmt.Printf("Updating Manga: %s\n", manga.Definition.Title)
+
+	l, err := s.Provider.GetChapterList("/title/" + strconv.Itoa(manga.Definition.Id))
+	if err != nil {
+		return err, false
+	}
+
+	le := len(l)
+	_, c, err := s.Provider.GetTitleAndChapter(l[le-1])
+	if err != nil {
+		return err, false
+	}
+
+	chapterNumberStr := strings.Replace(c, "ch_", "", 1)
+
+	if manga.Definition.LastChapterNum == chapterNumberStr {
+		return nil, false
+	} else {
+		manga.Definition.LastChapterNum = chapterNumberStr
+		return nil, true
+	}
+}
+
+func (s *Server) LoadThumbnail(manga *database.Manga) (path string, updated bool, err error) {
+	strId := strconv.Itoa(manga.Definition.Id)
 
 	s.Mutex.Lock()
 	defer s.Mutex.Unlock()
 	if s.ImageBuffers[strId] != nil {
-		return strId, nil
+		return strId, false, nil
 	}
 
-	url, err := s.Provider.GetThumbnail(strconv.Itoa(mangaId))
+	if manga.Definition.Thumbnail != nil {
+		s.ImageBuffers[strId] = manga.Definition.Thumbnail
+		return strId, false, nil
+	}
+
+	url, err := s.Provider.GetThumbnail(strId)
 	if err != nil {
-		return "", err
+		return "", false, err
 	}
 	ram, err := addFileToRam(url)
 	if err != nil {
-		return "", err
+		return "", false, err
 	}
+	manga.Definition.Thumbnail = ram
 	s.ImageBuffers[strId] = ram
-	return strId, nil
+	return strId, true, nil
 }
 
 func (s *Server) AppendImagesToBuf(html string) ([]view.Image, error) {
@@ -207,7 +290,7 @@ func (s *Server) AppendImagesToBuf(html string) ([]view.Image, error) {
 	return images, nil
 }
 
-func addFileToRam(url string) (*bytes.Buffer, error) {
+func addFileToRam(url string) ([]byte, error) {
 	// Get the data
 	resp, err := http.Get(url)
 	if err != nil {
@@ -224,5 +307,5 @@ func addFileToRam(url string) (*bytes.Buffer, error) {
 
 	// Write the body to file
 	_, err = io.Copy(buf, resp.Body)
-	return buf, err
+	return buf.Bytes(), err
 }

internal/utils/concurrent_map.go

@@ -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
+}

internal/view/Views/menu.gohtml

@@ -1,4 +1,5 @@
 <!DOCTYPE html>
+<!--suppress CssUnusedSymbol -->
 <html lang="en">
 <head>
     <meta charset="UTF-8">
@@ -12,11 +13,16 @@
             font-size: 25px;
         }
 
-        .dark-mode {
+        .dark {
             background-color: #171717;
             color: white;
         }
 
+        .white {
+            background-color: white;
+            color: black;
+        }
+
         .button-36 {
             background-image: linear-gradient(92.88deg, #455EB5 9.16%, #5643CC 43.89%, #673FD7 64.72%);
             border-radius: 8px;
@@ -101,17 +107,22 @@
             text-align: center;
         }
 
+        label {
+            display: flex;
+            align-content: center;
+            justify-content: center;
+            margin: 0 auto;
+        }
+
+        select {
+            width: 10em;
+            margin-bottom: 10px;
+            margin-top: 10px;
+        }
 
     </style>
-    <script>
-        function myFunction() {
-            var element = document.body;
-            element.classList.toggle("dark-mode");
-        }
-    </script>
-
 </head>
-<body>
+<body class="{{(index .Settings "theme").Value}}">
     <form method="post" action="/new/">
         <label>
             New Sub Url
@@ -119,14 +130,22 @@
         </label>
         <input type="submit" value="Open" class="button-36">
     </form>
-    <button onclick="myFunction()">Toggle dark mode</button>
+
+    <form method="post" action="/setting/">
+        <label for="theme">Theme</label>
+        <select onchange="this.form.submit()" id="theme" name="theme">
+            <option {{if eq (index .Settings "theme").Value "white"}} selected {{end}} value="white">White</option>
+            <option {{if eq (index .Settings "theme").Value "dark"}} selected {{end}} value="dark">Dark</option>
+        </select>
+        <input type="hidden" name="setting" value="theme">
+    </form>
 
     <table class="table">
         <tr>
             <th>Thumbnail</th>
-            <th class="table-left">Title</th>
-            <th>Current Chapter</th>
-            <th>Last Accessed</th>
+            <th class="table-left"><a href="setting/set/order/title">Title</a></th>
+            <th><a href="setting/set/order/chapter">Current Chapter</a></th>
+            <th><a href="setting/set/order/last">Last Accessed</a></th>
             <th>Link</th>
             <th>Delete</th>
         </tr>
@@ -138,10 +157,10 @@
                     </a>
                 </td>
                 <td class="table-left">{{.Title}}</td>
-                <td>{{.Number}}</td>
+                <td>{{.Number}} / {{.LastNumber}}</td>
                 <td>{{.LastTime}}</td>
                 <td>
-                    <a href="/new/{{.Url}}}">
+                    <a href="/new/{{.Url}}">
                         <button class="button-36">
                             To chapter
                         </button>

internal/view/Views/viewer.gohtml

@@ -31,6 +31,12 @@
             vertical-align: middle;
         }
 
+        @media (max-width: 500px) {
+            .scroll-container img {
+                width: 100%;
+            }
+        }
+
         /*
          * I have no clue what css is, jesus christ ...
          */
@@ -45,6 +51,18 @@
             display: flex;
         }
 
+        .fixed-button {
+            position: fixed;
+            bottom: 80px;
+            right: 15px;
+            margin-bottom: 40px;
+            z-index: 999;
+        }
+
+        .text{
+            color: white;
+        }
+
         .button-36 {
             background-image: linear-gradient(92.88deg, #455EB5 9.16%, #5643CC 43.89%, #673FD7 64.72%);
             border-radius: 8px;
@@ -79,13 +97,17 @@
     </style>
 </head>
 <body>
-    <div class="center">
+    <h1 class="center text">{{.Title}}</h1>
+    <div class="center" id="top">
         <form method="post" action="/prev">
             <input type="submit" name="Prev" value="Prev" class="button-36">
             <input type="submit" name="Exit" value="Exit" class="button-36" formaction="/exit">
             <input type="submit" name="Next" value="Next" class="button-36" formaction="/next">
         </form>
     </div>
+    <button class="fixed-button">
+        <a href="#top">TOP</a>
+    </button>
     <div class="scroll-container">
         {{range .Images}}
             <img src="/img/{{.Path}}" alt="img_{{.Index}}"/>

internal/view/viewmodels.go

@@ -1,5 +1,7 @@
 package view
 
+import "github.com/pablu23/mangaGetter/internal/database"
+
 type Image struct {
 	Path  string
 	Index int
@@ -13,12 +15,14 @@ type ImageViewModel struct {
 type MangaViewModel struct {
 	ID           int
 	Title        string
-	Number       int
+	Number       string
+	LastNumber   string
 	LastTime     string
 	Url          string
 	ThumbnailUrl string
 }
 
 type MenuViewModel struct {
-	Mangas []MangaViewModel
+	Settings map[string]database.Setting
+	Mangas   []MangaViewModel
 }

main.go

@@ -0,0 +1,74 @@
+package main
+
+import (
+	"fmt"
+	"github.com/pablu23/mangaGetter/internal/database"
+	"github.com/pablu23/mangaGetter/internal/provider"
+	"github.com/pablu23/mangaGetter/internal/server"
+	"os"
+	"os/exec"
+	"os/signal"
+	"runtime"
+	"time"
+)
+
+func main() {
+	filePath := getDbPath()
+
+	db := database.NewDatabase(filePath, true)
+	err := db.Open()
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	s := server.New(&provider.Bato{}, &db)
+
+	c := make(chan os.Signal, 1)
+	signal.Notify(c, os.Interrupt)
+
+	go func() {
+		for range c {
+			Close(&db)
+		}
+	}()
+
+	go func() {
+		time.Sleep(300 * time.Millisecond)
+		err := open(fmt.Sprintf("http://localhost:%d", port))
+		if err != nil {
+			fmt.Println(err)
+		}
+	}()
+
+	err = s.Start(port)
+	if err != nil {
+		panic(err)
+	}
+}
+
+func open(url string) error {
+	var cmd string
+	var args []string
+
+	switch runtime.GOOS {
+	case "windows":
+		cmd = "cmd"
+		args = []string{"/c", "start"}
+	case "darwin":
+		cmd = "open"
+	default: // "linux", "freebsd", "openbsd", "netbsd"
+		cmd = "xdg-open"
+	}
+	args = append(args, url)
+	return exec.Command(cmd, args...).Start()
+}
+
+func Close(db *database.Manager) {
+	fmt.Println("Attempting to save and close DB")
+	err := db.Close()
+	if err != nil {
+		fmt.Println(err)
+	}
+	os.Exit(0)
+}

release.go

@@ -0,0 +1,40 @@
+//go:build !Develop
+
+package main
+
+import (
+	"os"
+	"path/filepath"
+)
+
+const port = 8000
+
+func getDbPath() string {
+	dir, err := os.UserCacheDir()
+	if err != nil {
+		panic(err)
+	}
+
+	dirPath := filepath.Join(dir, "MangaGetter")
+	filePath := filepath.Join(dirPath, "db.sqlite")
+
+	if _, err := os.Stat(dirPath); os.IsNotExist(err) {
+		err = os.Mkdir(dirPath, os.ModePerm)
+		if err != nil {
+			panic(err)
+		}
+	}
+
+	if _, err := os.Stat(filePath); os.IsNotExist(err) {
+		f, err := os.Create(filePath)
+		if err != nil {
+			panic(err)
+		}
+		err = f.Close()
+		if err != nil {
+			panic(err)
+		}
+	}
+
+	return filePath
+}