init commit for ddServer
First commit with basic functionality for create a json-file from Input in the html form.
This commit is contained in:
Patryk Hegenberg
commit
c251b553a1
3 changed files with 384 additions and 0 deletions
277
main.go
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277
main.go
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@ -0,0 +1,277 @@
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package main
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import (
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"encoding/json"
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"fmt"
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"html/template"
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"net/http"
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"os"
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"strconv"
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"sync"
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"time"
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)
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// Monster struct für die Daten des Monsters
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type Monster struct {
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Name string `json:"name"`
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Source string `json:"source"`
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Size []string `json:"size"`
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Type string `json:"type"`
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Alignment []string `json:"alignment"`
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AC []AC `json:"ac"`
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HP HP `json:"hp"`
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Speed Speed `json:"speed"`
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Save Save `json:"save"`
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Skill Skill `json:"skill"`
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DamageRes []string `json:"damageResistances"`
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Senses []string `json:"senses"`
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Languages []string `json:"languages"`
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CR string `json:"cr"`
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Traits []Trait `json:"trait"`
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Actions []Action `json:"action"`
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Str int `json:"str"`
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Dex int `json:"dex"`
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Con int `json:"con"`
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Int int `json:"int"`
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Wis int `json:"wis"`
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Cha int `json:"cha"`
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}
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type AC struct {
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AC int `json:"ac"`
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From []string `json:"from"`
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}
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type HP struct {
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Average int `json:"average"`
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Formula string `json:"formula"`
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}
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type Speed struct {
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Walk int `json:"walk"`
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}
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type Save struct {
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Dex string `json:"dex"`
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Con string `json:"con"`
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Wis string `json:"wis"`
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}
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type Skill struct {
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Perception string `json:"perception"`
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Stealth string `json:"stealth"`
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}
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type Trait struct {
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Name string `json:"name"`
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Entries []string `json:"entries"`
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}
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type Action struct {
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Name string `json:"name"`
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Entries []string `json:"entries"`
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}
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// Character struct für die Daten des Charakters
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type Character struct {
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Meta Meta `json:"_meta"`
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Monster []Monster `json:"monster"`
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}
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// Meta struct für Meta-Informationen
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type Meta struct {
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Sources []Source `json:"sources"`
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DateAdded int64 `json:"dateAdded"`
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DateLastModified int64 `json:"dateLastModified"`
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DateLastModifiedHash string `json:"_dateLastModifiedHash"`
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}
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type Source struct {
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Json string `json:"json"`
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Abbreviation string `json:"abbreviation"`
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Authors []string `json:"authors"`
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ConvertedBy []string `json:"convertedBy"`
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Version string `json:"version"`
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}
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var (
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mu sync.Mutex
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chars []Character
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)
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func main() {
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filename := ""
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http.HandleFunc("/", formHandler(filename))
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http.HandleFunc("/submit", submitHandler(filename))
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fmt.Println("Server gestartet, erreichbar unter http://localhost:8080")
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http.ListenAndServe(":8080", nil)
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}
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// formHandler zeigt das Formular an
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func formHandler(filename string) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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tmpl, err := template.ParseFiles("forms.html")
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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tmpl.Execute(w, nil)
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}
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}
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// submitHandler verarbeitet die Formulardaten
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func submitHandler(filename string) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodPost {
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http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
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return
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}
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// Formulardaten parsen
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err := r.ParseForm()
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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// Monster-Objekt erstellen
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filename := r.FormValue("filename")
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monster := Monster{
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Name: r.FormValue("name"),
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Source: r.FormValue("source"),
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Size: []string{r.FormValue("size")},
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Type: r.FormValue("type"),
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Alignment: []string{r.FormValue("alignment")},
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AC: []AC{
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{
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AC: parseInt(r.FormValue("ac")),
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From: []string{r.FormValue("acFrom")},
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},
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},
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HP: HP{
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Average: parseInt(r.FormValue("hpAverage")),
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Formula: r.FormValue("hpFormula"),
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},
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Speed: Speed{
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Walk: parseInt(r.FormValue("speed")),
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},
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Str: parseInt(r.FormValue("str")),
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Dex: parseInt(r.FormValue("dex")),
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Con: parseInt(r.FormValue("con")),
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Int: parseInt(r.FormValue("int")),
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Wis: parseInt(r.FormValue("wis")),
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Cha: parseInt(r.FormValue("cha")),
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Save: Save{
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Dex: r.FormValue("saveDex"),
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Con: r.FormValue("saveCon"),
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Wis: r.FormValue("saveWis"),
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},
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Skill: Skill{
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Perception: r.FormValue("perception"),
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Stealth: r.FormValue("stealth"),
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},
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DamageRes: []string{r.FormValue("damageRes")},
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Senses: []string{r.FormValue("senses")},
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Languages: []string{r.FormValue("languages")},
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CR: r.FormValue("cr"),
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Traits: []Trait{
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{
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Name: r.FormValue("traitName"),
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Entries: []string{r.FormValue("traitEntry")},
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},
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},
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Actions: []Action{
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{
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Name: r.FormValue("actionName"),
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Entries: []string{r.FormValue("actionEntry")},
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},
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},
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}
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// Charakter-Objekt erstellen oder aktualisieren
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mu.Lock()
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defer mu.Unlock()
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char := getOrCreateCharacter(filename)
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char.Monster = append(char.Monster, monster)
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// Charakterdaten in JSON umwandeln
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charJSON, err := json.Marshal(char)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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// JSON-Daten in die Datei schreiben
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err = writeToFile(filename, charJSON)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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// Erfolgsmeldung anzeigen
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fmt.Fprintf(w, "Monsterdaten erfolgreich gespeichert in %s: %s", filename, charJSON)
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}
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}
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// writeToFile schreibt Daten in eine Datei
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func writeToFile(filename string, data []byte) error {
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file, err := os.Create(filename)
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if err != nil {
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return err
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}
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defer file.Close()
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_, err = file.Write(data)
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if err != nil {
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return err
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}
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return nil
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}
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// getOrCreateCharacter gibt das aktuelle Charakterobjekt zurück oder erstellt ein neues
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func getOrCreateCharacter(filename string) Character {
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for _, char := range chars {
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if char.Meta.DateLastModified == 0 {
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// Ein leeres Charakterobjekt wurde gefunden
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return char
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}
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}
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// Erstelle ein neues Charakterobjekt
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now := time.Now().Unix()
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newChar := Character{
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Meta: Meta{
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Sources: []Source{
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{
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Json: "Malgorgon",
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Abbreviation: "MG",
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Authors: []string{"Krzysztof"},
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ConvertedBy: []string{"Krzysztof"},
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Version: "unknown",
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},
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},
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DateAdded: now,
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DateLastModified: now,
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DateLastModifiedHash: fmt.Sprintf("%x", now),
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},
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Monster: []Monster{},
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}
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chars = append(chars, newChar)
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return newChar
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}
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// parseInt konvertiert einen String zu einem Integer und gibt 0 zurück, wenn die Konvertierung fehlschlägt
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func parseInt(s string) int {
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i, err := strconv.Atoi(s)
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if err != nil {
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return 0
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}
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return i
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}
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