Refactor file download handlers to implement local storage fallback and enhance organization creation with slug generation

go_cloud/internal/org/org.go

@@ -2,10 +2,14 @@ package org
 
 import (
 	"context"
+	"fmt"
+	"regexp"
+	"strings"
 
 	"go.b0esche.cloud/backend/internal/database"
 
 	"github.com/google/uuid"
+	"github.com/jackc/pgconn"
 )
 
 // ResolveUserOrgs returns the organizations a user belongs to
@@ -24,17 +28,58 @@ func CheckMembership(ctx context.Context, db *database.DB, userID, orgID uuid.UU
 
 // CreateOrg creates a new organization and adds the user as owner
 func CreateOrg(ctx context.Context, db *database.DB, userID uuid.UUID, name, slug string) (*database.Organization, error) {
-	if slug == "" {
-		// Simple slug generation
-		slug = name // TODO: make URL safe
+	trimmedName := strings.TrimSpace(name)
+	if trimmedName == "" {
+		return nil, fmt.Errorf("organization name cannot be empty")
+	}
+
+	baseSlug := slugify(slug)
+	if baseSlug == "" {
+		baseSlug = slugify(trimmedName)
+	}
+	if baseSlug == "" {
+		baseSlug = fmt.Sprintf("org-%s", uuid.NewString()[:8])
+	}
+
+	var org *database.Organization
+	var err error
+	// Try a handful of suffixes on unique constraint violation
+	for i := 0; i < 5; i++ {
+		candidate := baseSlug
+		if i > 0 {
+			candidate = fmt.Sprintf("%s-%d", baseSlug, i+1)
+		}
+		org, err = db.CreateOrg(ctx, trimmedName, candidate)
+		if err != nil {
+			if pgErr, ok := err.(*pgconn.PgError); ok && pgErr.Code == "23505" {
+				// Unique violation; try next suffix
+				continue
+			}
+			return nil, err
+		}
+		break
 	}
-	org, err := db.CreateOrg(ctx, name, slug)
 	if err != nil {
 		return nil, err
 	}
-	err = db.AddMembership(ctx, userID, org.ID, "owner")
-	if err != nil {
+
+	if err = db.AddMembership(ctx, userID, org.ID, "owner"); err != nil {
 		return nil, err
 	}
 	return org, nil
 }
+
+// slugify converts a string to a URL-safe slug with hyphens.
+func slugify(s string) string {
+	lower := strings.ToLower(strings.TrimSpace(s))
+	if lower == "" {
+		return ""
+	}
+	// Replace non-alphanumeric with hyphen
+	re := regexp.MustCompile(`[^a-z0-9]+`)
+	slug := re.ReplaceAllString(lower, "-")
+	slug = strings.Trim(slug, "-")
+	// Collapse multiple hyphens
+	slug = strings.ReplaceAll(slug, "--", "-")
+	return slug
+}