v0.1.0 — Phase 1: Go Backend + SQLite + Seed Data
- Wails project setup (Go + React-TS) - SQLite schema (allergens, additives, products, week_plans, plan_entries, special_days) - 14 EU allergens (LMIV 1169/2011) - 24 German food additives - 99 products imported from Excel with allergen/additive mappings - Full Wails bindings (CRUD for products, week plans, entries, special days) - OTA updater stub (version check against HTTPS endpoint) - Pure Go SQLite (no CGO) for easy Windows cross-compilation
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clawd
221
seed.go
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221
seed.go
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package main
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import (
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_ "embed"
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"encoding/json"
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"fmt"
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"regexp"
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"strings"
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)
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//go:embed products_export.json
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var productsJSON []byte
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// SeedDatabase fügt Seed-Daten in die Datenbank ein
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func SeedDatabase() error {
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// Prüfen ob bereits Seeds vorhanden sind
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var count int
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err := db.Get(&count, "SELECT COUNT(*) FROM allergens")
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if err != nil {
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return fmt.Errorf("failed to check for existing allergens: %w", err)
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}
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// Nur seeden wenn noch keine Daten vorhanden sind
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if count > 0 {
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return nil // Bereits geseedet
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}
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// Allergene seeden
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if err := seedAllergens(); err != nil {
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return fmt.Errorf("failed to seed allergens: %w", err)
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}
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// Zusatzstoffe seeden
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if err := seedAdditives(); err != nil {
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return fmt.Errorf("failed to seed additives: %w", err)
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}
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// Produkte seeden
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if err := seedProducts(); err != nil {
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return fmt.Errorf("failed to seed products: %w", err)
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}
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return nil
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}
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// seedAllergens fügt die 14 EU-Allergene ein
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func seedAllergens() error {
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allergens := []Allergen{
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{"a", "glutenhaltiges Getreide (Weizen, Roggen, Gerste, Hafer, Dinkel, Kamut)", "allergen"},
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{"b", "Krebstiere", "allergen"},
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{"c", "Eier", "allergen"},
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{"d", "Fisch", "allergen"},
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{"e", "Erdnüsse", "allergen"},
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{"f", "Soja(bohnen)", "allergen"},
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{"g", "Milch (einschließlich Laktose)", "allergen"},
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{"h", "Schalenfrüchte (Mandeln, Haselnüsse, Walnüsse, Cashew, Pecan, Paranüsse, Pistazien, Macadamia)", "allergen"},
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{"i", "Sellerie", "allergen"},
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{"j", "Senf", "allergen"},
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{"k", "Sesamsamen", "allergen"},
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{"l", "Schwefeldioxid und Sulfite (> 10 mg/kg oder mg/l)", "allergen"},
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{"m", "Lupine", "allergen"},
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{"n", "Weichtiere", "allergen"},
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}
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for _, allergen := range allergens {
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_, err := db.NamedExec(
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"INSERT OR IGNORE INTO allergens (id, name, category) VALUES (:id, :name, :category)",
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allergen,
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)
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if err != nil {
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return fmt.Errorf("failed to insert allergen %s: %w", allergen.ID, err)
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}
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}
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return nil
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}
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// seedAdditives fügt die deutschen Zusatzstoffe ein
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func seedAdditives() error {
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additives := []Additive{
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{"A", "Antioxidationsmittel"},
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{"B", "Backtriebmittel"},
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{"E", "Emulgator"},
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{"F", "Farbstoff"},
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{"FM", "Festigungsmittel"},
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{"FH", "Feuchthaltemittel"},
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{"FÜ", "Füllstoff"},
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{"G", "Geliermittel"},
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{"GV", "Geschmacksverstärker"},
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{"K", "Konservierungsstoff"},
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{"M", "Mehlbehandlungsmittel"},
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{"MS", "Modifizierte Stärke"},
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{"R", "Rieselhilfe"},
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{"S", "Säuerungsmittel"},
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{"SR", "Säureregulator"},
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{"SV", "Schaumverhüter"},
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{"SCH", "Schmelzsalz"},
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{"ST", "Stabilisator"},
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{"SÜ", "Süßungsmittel"},
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{"T", "Trägerstoff"},
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{"TG", "Treibgas"},
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{"TM", "Trennmittel"},
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{"Ü", "Überzugsmittel"},
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{"V", "Verdickungsmittel"},
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}
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for _, additive := range additives {
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_, err := db.NamedExec(
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"INSERT OR IGNORE INTO additives (id, name) VALUES (:id, :name)",
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additive,
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)
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if err != nil {
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return fmt.Errorf("failed to insert additive %s: %w", additive.ID, err)
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}
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}
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return nil
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}
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// seedProducts importiert Produkte aus der JSON-Datei
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func seedProducts() error {
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var imports []ProductImport
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if err := json.Unmarshal(productsJSON, &imports); err != nil {
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return fmt.Errorf("failed to parse products JSON: %w", err)
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}
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tx, err := db.Beginx()
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if err != nil {
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return fmt.Errorf("failed to begin transaction: %w", err)
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}
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defer tx.Rollback()
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for _, product := range imports {
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// Produkt einfügen
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result, err := tx.NamedExec(
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"INSERT OR IGNORE INTO products (name, multiline) VALUES (:name, :multiline)",
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map[string]interface{}{
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"name": product.Name,
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"multiline": product.Multiline,
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},
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)
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if err != nil {
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return fmt.Errorf("failed to insert product %s: %w", product.Name, err)
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}
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// Produkt-ID ermitteln
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var productID int64
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if productID, err = result.LastInsertId(); err != nil {
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// Wenn INSERT OR IGNORE nichts eingefügt hat, ID über SELECT holen
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err = tx.Get(&productID, "SELECT id FROM products WHERE name = ?", product.Name)
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if err != nil {
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return fmt.Errorf("failed to get product ID for %s: %w", product.Name, err)
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}
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}
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// Allergene und Zusatzstoffe parsen und zuordnen
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allergenIDs, additiveIDs := parseAllergenData(product.Allergens1, product.Allergens2)
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// Allergene zuordnen
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for _, allergenID := range allergenIDs {
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_, err := tx.Exec(
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"INSERT OR IGNORE INTO product_allergens (product_id, allergen_id) VALUES (?, ?)",
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productID, allergenID,
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)
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if err != nil {
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return fmt.Errorf("failed to link allergen %s to product %s: %w", allergenID, product.Name, err)
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}
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}
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// Zusatzstoffe zuordnen
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for _, additiveID := range additiveIDs {
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_, err := tx.Exec(
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"INSERT OR IGNORE INTO product_additives (product_id, additive_id) VALUES (?, ?)",
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productID, additiveID,
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)
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if err != nil {
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return fmt.Errorf("failed to link additive %s to product %s: %w", additiveID, product.Name, err)
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}
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}
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}
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return tx.Commit()
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}
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// parseAllergenData parst Allergen- und Zusatzstoff-Daten aus den Import-Feldern
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func parseAllergenData(allergens1, allergens2 string) ([]string, []string) {
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// Beide Felder zusammenführen
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combined := strings.TrimSpace(allergens1 + ", " + allergens2)
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if combined == ", " {
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return nil, nil
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}
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// Regex für Allergene (einzelne Kleinbuchstaben a-n)
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allergenRegex := regexp.MustCompile(`\b[a-n]\b`)
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// Regex für Zusatzstoffe (Großbuchstaben und Kürzel)
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additiveRegex := regexp.MustCompile(`\b[A-Z]{1,3}\b`)
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allergenMatches := allergenRegex.FindAllString(combined, -1)
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additiveMatches := additiveRegex.FindAllString(combined, -1)
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// Duplikate entfernen
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allergenIDs := removeDuplicates(allergenMatches)
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additiveIDs := removeDuplicates(additiveMatches)
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return allergenIDs, additiveIDs
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}
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// removeDuplicates entfernt Duplikate aus einem String-Slice
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func removeDuplicates(slice []string) []string {
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seen := make(map[string]bool)
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result := []string{}
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for _, item := range slice {
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if !seen[item] {
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seen[item] = true
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result = append(result, item)
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}
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}
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return result
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}
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