This commit is contained in:
451
main.go
Normal file
451
main.go
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@@ -0,0 +1,451 @@
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package main
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import (
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"database/sql"
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"html/template"
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"log"
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"net/http"
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"os"
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"strconv"
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"strings"
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_ "modernc.org/sqlite" // statt github.com/mattn/go-sqlite3
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)
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func GetENV(k, d string) string {
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if v := os.Getenv(k); v != "" {
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return v
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}
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return d
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}
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func Enabled(k string, def bool) bool {
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b, err := strconv.ParseBool(strings.ToLower(os.Getenv(k)))
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if err != nil {
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return def
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}
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return b
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}
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var (
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username = GetENV("KT_USERNAME", "root")
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password = GetENV("KT_PASSWORD", "root")
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membername = GetENV("KT_MEMBER", "guest")
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)
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type Entry struct {
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ID int
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Anfangsbestand float64
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Endbestand float64
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Prozentwert float64
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Abgabe float64
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Gesamtwert float64
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Bezahlt bool
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}
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type Abteilung struct {
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Name string
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Anteil float64 // in Prozent
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Wert float64 // berechnet: Anteil * Summe / 100
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WertOffen float64 // berechnet: Anteil * Summe / 100 (von offen)
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}
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var tmpl = template.Must(template.New("form").Funcs(template.FuncMap{
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"formatNumber": formatNumber,
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}).Parse(htmlTemplate))
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// Tausendertrenner für deutsche Zahlendarstellung (z. B. 12345 → "12.345")
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func formatNumber(n float64) string {
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intVal := int64(n + 0.5) // runden
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s := strconv.FormatInt(intVal, 10)
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nStr := ""
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for i, r := range reverse(s) {
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if i > 0 && i%3 == 0 {
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nStr = "." + nStr
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}
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nStr = string(r) + nStr
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}
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return nStr
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}
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func reverse(s string) string {
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r := []rune(s)
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for i, j := 0, len(r)-1; i < j; i, j = i+1, j-1 {
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r[i], r[j] = r[j], r[i]
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}
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return string(r)
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}
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func isAuthenticated(r *http.Request) bool {
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cookie, err := r.Cookie("session")
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return err == nil && cookie.Value == "authenticated"
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}
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func main() {
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db, err := sql.Open("sqlite", "data.db")
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if err != nil {
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log.Fatal(err)
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}
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defer db.Close()
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createTable(db)
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http.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir("static"))))
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http.HandleFunc("/login", func(w http.ResponseWriter, r *http.Request) {
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if r.Method == http.MethodPost {
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r.ParseForm()
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user := r.FormValue("username")
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pass := r.FormValue("password")
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if user == username && pass == password {
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http.SetCookie(w, &http.Cookie{
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Name: "session",
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Value: "authenticated",
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Path: "/",
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})
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http.Redirect(w, r, "/", http.StatusSeeOther)
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return
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}
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http.Error(w, "Login fehlgeschlagen", http.StatusUnauthorized)
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return
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}
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w.Header().Set("Content-Type", "text/html")
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w.Write([]byte(loginForm))
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})
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http.HandleFunc("/logout", func(w http.ResponseWriter, r *http.Request) {
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http.SetCookie(w, &http.Cookie{
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Name: "session",
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Value: "",
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Path: "/",
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MaxAge: -1,
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})
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http.Redirect(w, r, "/", http.StatusSeeOther)
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})
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http.HandleFunc("/delete", func(w http.ResponseWriter, r *http.Request) {
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if !isAuthenticated(r) {
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http.Error(w, "Nicht autorisiert", http.StatusUnauthorized)
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return
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}
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id := r.URL.Query().Get("id")
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if id != "" {
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db.Exec("DELETE FROM eintraege WHERE id = ?", id)
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}
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http.Redirect(w, r, "/", http.StatusSeeOther)
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})
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http.HandleFunc("/reset", func(w http.ResponseWriter, r *http.Request) {
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if !isAuthenticated(r) {
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http.Error(w, "Nicht autorisiert", http.StatusUnauthorized)
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return
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}
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// Tabelle leeren
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db.Exec("DELETE FROM eintraege")
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// Auto-Increment-Zähler zurücksetzen
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db.Exec("DELETE FROM sqlite_sequence WHERE name='eintraege'")
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http.Redirect(w, r, "/", http.StatusSeeOther)
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})
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http.HandleFunc("/markaspaid", func(w http.ResponseWriter, r *http.Request) {
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if !isAuthenticated(r) {
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http.Error(w, "Nicht autorisiert", http.StatusUnauthorized)
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return
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}
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id := r.URL.Query().Get("id")
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if id != "" {
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db.Exec("UPDATE eintraege SET bezahlt = 1 WHERE id = ?", id)
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}
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http.Redirect(w, r, "/", http.StatusSeeOther)
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})
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http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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if r.Method == http.MethodPost {
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if !isAuthenticated(r) {
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http.Error(w, "Nicht autorisiert", http.StatusUnauthorized)
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return
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}
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r.ParseForm()
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anfang, _ := strconv.ParseFloat(r.FormValue("anfangsbestand"), 64)
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ende, _ := strconv.ParseFloat(r.FormValue("endbestand"), 64)
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prozent, _ := strconv.ParseFloat(r.FormValue("prozentwert"), 64)
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diff := ende - anfang
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abgabe := (diff / 100) * prozent
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_, err := db.Exec(`INSERT INTO eintraege (anfangsbestand, endbestand, prozentwert, abgabe) VALUES (?, ?, ?, ?)`,
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anfang, ende, prozent, abgabe)
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if err != nil {
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http.Error(w, "Fehler beim Einfügen", http.StatusInternalServerError)
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return
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}
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http.Redirect(w, r, "/", http.StatusSeeOther)
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return
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}
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rows, err := db.Query(`SELECT id, anfangsbestand, endbestand, prozentwert, abgabe, bezahlt FROM eintraege`)
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if err != nil {
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http.Error(w, "Fehler beim Abrufen", http.StatusInternalServerError)
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return
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}
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defer rows.Close()
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var eintraege []Entry
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var summe float64
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var offeneSumme float64
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for rows.Next() {
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var e Entry
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var bezahlt int
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err := rows.Scan(&e.ID, &e.Anfangsbestand, &e.Endbestand, &e.Prozentwert, &e.Abgabe, &bezahlt)
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if err != nil {
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log.Println("Fehler beim Scan:", err)
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continue
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}
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e.Gesamtwert = e.Endbestand - e.Anfangsbestand
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e.Bezahlt = bezahlt == 1
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eintraege = append(eintraege, e)
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if !e.Bezahlt {
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offeneSumme += e.Abgabe
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} else {
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summe += e.Abgabe
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}
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}
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// Dynamische Abteilungen – frei anpassbar
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abteilungen := []Abteilung{
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{Name: "Raumkampf", Anteil: 15},
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{Name: "Bodenkampf", Anteil: 8},
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{Name: "Racing", Anteil: 3},
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{Name: "Medical", Anteil: 5},
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{Name: "Exploration", Anteil: 3},
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{Name: "Rettung", Anteil: 5},
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{Name: "Logistik", Anteil: 8},
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{Name: "Mining", Anteil: 3},
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{Name: "Salvaging", Anteil: 3},
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{Name: "Trading", Anteil: 3},
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{Name: "Basebuilding", Anteil: 10},
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{Name: "Crafting", Anteil: 8},
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{Name: "Forschung", Anteil: 5},
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{Name: "Events", Anteil: 15},
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{Name: "Roleplay", Anteil: 3},
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{Name: "Kunstflug", Anteil: 3},
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}
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for i := range abteilungen {
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abteilungen[i].Wert = (abteilungen[i].Anteil / 100) * summe
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abteilungen[i].WertOffen = (abteilungen[i].Anteil / 100) * offeneSumme
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}
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tmpl.Execute(w, struct {
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Entries []Entry
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Summe float64
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OffeneSumme float64
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Abteilungen []Abteilung
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LoggedIn bool
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Member string
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}{
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Entries: eintraege,
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Summe: summe,
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OffeneSumme: offeneSumme,
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Abteilungen: abteilungen,
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LoggedIn: isAuthenticated(r),
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Member: membername,
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})
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})
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log.Println("Server läuft auf http://localhost:8080")
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http.ListenAndServe(":8080", nil)
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}
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func createTable(db *sql.DB) {
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_, err := db.Exec(`
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CREATE TABLE IF NOT EXISTS eintraege (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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anfangsbestand REAL,
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endbestand REAL,
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prozentwert REAL,
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abgabe REAL,
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bezahlt INTEGER DEFAULT 0
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);
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`)
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if err != nil {
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log.Fatal(err)
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}
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// Falls die Tabelle schon existiert, aber die Spalte "bezahlt" fehlt (z. B. nach Update)
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_, err = db.Exec(`ALTER TABLE eintraege ADD COLUMN bezahlt INTEGER DEFAULT 0;`)
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if err != nil && !strings.Contains(err.Error(), "duplicate column") {
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log.Fatal(err)
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}
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}
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const loginForm = `
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<!DOCTYPE html>
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<html lang="de">
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<head>
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<meta charset="UTF-8">
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<title>Login</title>
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<link href="/static/css/bootstrap.min.css" rel="stylesheet">
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</head>
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<body class="bg-light">
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<div class="container mt-5">
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<h2>Login</h2>
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<form method="POST" class="card p-4 shadow-sm">
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<div class="mb-3">
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<label class="form-label">Benutzername</label>
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<input type="text" name="username" class="form-control" required>
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</div>
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<div class="mb-3">
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<label class="form-label">Passwort</label>
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<input type="password" name="password" class="form-control" required>
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</div>
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<button type="submit" class="btn btn-primary">Login</button>
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</form>
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</div>
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</body>
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</html>
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`
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const htmlTemplate = `
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<!DOCTYPE html>
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<html lang="de">
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<head>
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<meta charset="UTF-8">
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<title>Abgabe-Berechnung</title>
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<link href="/static/css/bootstrap.min.css" rel="stylesheet">
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</head>
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<body class="bg-light">
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<div class="container mt-5">
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<div class="d-flex justify-content-end">
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{{if .LoggedIn}}
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<form action="/logout" method="POST">
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<button type="submit" class="btn btn-sm btn-secondary">Logout</button>
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</form>
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{{else}}
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<a href="/login" class="btn btn-sm btn-outline-primary">Login</a>
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{{end}}
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</div>
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<h1 class="mb-4">Beitrag zur Community von der Trading-Staffel ({{.Member}})</h1>
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{{if .LoggedIn}}
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<form method="POST" class="card p-4 mb-4 shadow-sm">
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<div class="row mb-3">
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<div class="col">
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<label class="form-label">Anfangsbestand</label>
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<input type="number" step="0.01" name="anfangsbestand" class="form-control" required>
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</div>
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<div class="col">
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<label class="form-label">Endbestand</label>
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<input type="number" step="0.01" name="endbestand" class="form-control" required>
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</div>
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<div class="col">
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<label class="form-label">Prozentwert</label>
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<select name="prozentwert" class="form-select">
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<option value="30">30%</option>
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<option value="10">10%</option>
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<option value="20">20%</option>
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<option value="30">30%</option>
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<option value="40">40%</option>
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<option value="50">50%</option>
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</select>
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</div>
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</div>
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<button type="submit" class="btn btn-primary">Berechnen & Speichern</button>
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</form>
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{{end}}
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<h2 class="mb-3">Gespeicherte Einträge</h2>
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<table class="table table-striped table-bordered">
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<thead>
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<tr>
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<th>#</th>
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<th>Anfang</th>
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<th>Ende</th>
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<th>Profit</th>
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<th>Prozent</th>
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<th>Abgabe</th>
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<th>Status</th>
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{{if .LoggedIn}}<th>Aktion</th>{{end}}
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</tr>
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</thead>
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<tbody>
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{{range .Entries}}
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<tr>
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<td>{{.ID}}</td>
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<td>{{formatNumber .Anfangsbestand}}</td>
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<td>{{formatNumber .Endbestand}}</td>
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<td>{{formatNumber .Gesamtwert}}</td>
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<td>{{formatNumber .Prozentwert}}%</td>
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<td>
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{{formatNumber .Abgabe}}
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</td>
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<td>
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{{if .Bezahlt}}
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<span class="badge bg-success">✓ verteilt</span>
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{{else}}
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{{if $.LoggedIn}}
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<a href="/markaspaid?id={{.ID}}" class="btn btn-sm btn-outline-success">Als verteilt markieren</a>
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{{else}}
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<span class="badge bg-danger">✗ nicht verteilt</span>
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{{end}}
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{{end}}
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</td>
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{{if $.LoggedIn}}
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<td>
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<a href="/delete?id={{.ID}}" class="btn btn-sm btn-danger" onclick="return confirm('Eintrag wirklich löschen?')">Löschen</a>
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</td>
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{{end}}
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</tr>
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{{end}}
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</tbody>
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</table>
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<div class="alert alert-warning">
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<strong>Offen zur Abgabe:</strong> {{formatNumber .OffeneSumme}} UEC
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</div>
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<div class="alert alert-success">
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<strong>Summe aller Abgaben an die Knebel-Community:</strong> {{formatNumber .Summe}} UEC
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</div>
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<hr />
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<div class="alert alert-info">
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<strong>Die tatsächlichen Werte können abweichen.</strong> Die dargestellten Werte sind meine Vorstellung einer sinnvollen Verteilung.<br>
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Die Summe wird an die Orga-Leitung entrichtet. Die entgültige Entscheidung über die Verteilung obliegt der Orga-Leitung.
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</div>
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<h4 class="mt-4">Verteilung auf Abteilungen:</h4>
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<table class="table table-striped table-bordered">
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<thead>
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<tr>
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<th>Abteilung</th>
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<th>Verteilungsschlüssel</th>
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<th>Summe verteilt</th>
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<th>Summe offen</th>
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</tr>
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</thead>
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<tbody>
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{{range .Abteilungen}}
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<tr>
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<td>{{.Name}}</td>
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<td>{{formatNumber .Anteil}}%</td>
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<td>{{formatNumber .Wert}} UEC</td>
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<td>{{formatNumber .WertOffen}} UEC</td>
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</tr>
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{{end}}
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</tbody>
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</table>
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{{if .LoggedIn}}
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<form action="/reset" method="POST" onsubmit="return confirm('Alle Einträge wirklich löschen?')">
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<button type="submit" class="btn btn-outline-danger mt-3">Alle Einträge löschen</button>
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</form>
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{{end}}
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</div>
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</body>
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</html>
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`
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Reference in New Issue
Block a user