UI & Features: Einkaufsliste im Kochbuch-Design, Supermarkt-Bereiche mit Laufweg-Sortierung, Textumbruch & schlanker Header

app/main.py

@@ -1,4 +1,5 @@
 import os
+import json
 import uuid
 import random
 import shutil
@@ -49,7 +50,14 @@ from .database import (
     delete_shopping_item,
     delete_checked_shopping_items,
     clear_shopping_list,
-    get_meal_plan_ingredients
+    get_meal_plan_ingredients,
+    get_shopping_categories,
+    add_shopping_category,
+    update_shopping_category,
+    delete_shopping_category,
+    reorder_shopping_categories,
+    reset_default_shopping_categories,
+    update_shopping_item_category
 )
 
 BASE_DIR = os.path.dirname(os.path.abspath(__file__))
@@ -185,10 +193,27 @@ class ShoppingItemCreate(BaseModel):
     amount: Optional[str] = ""
     unit: Optional[str] = ""
     source: Optional[str] = ""
+    category: Optional[str] = None
 
 class ShoppingBulkCreate(BaseModel):
     items: List[ShoppingItemCreate]
 
+class ShoppingCategoryCreate(BaseModel):
+    name: str
+    icon: Optional[str] = "🛒"
+    sort_order: Optional[int] = None
+
+class ShoppingCategoryUpdate(BaseModel):
+    name: str
+    icon: Optional[str] = "🛒"
+    sort_order: Optional[int] = None
+
+class ShoppingReorderRequest(BaseModel):
+    category_ids: List[int]
+
+class ShoppingItemCategoryUpdate(BaseModel):
+    category: str
+
 
 # ==========================================
 # AUTH VIEWS
@@ -281,13 +306,26 @@ async def home_view(request: Request):
 async def shopping_list_view(request: Request):
     """Einkaufsliste Übersicht"""
     items = get_shopping_list()
+    categories = get_shopping_categories()
     today = date.today()
     iso_year, iso_week, _ = today.isocalendar()
+
+    def json_serial(obj):
+        if isinstance(obj, (datetime, date)):
+            return obj.isoformat()
+        return str(obj)
+
+    items_json = json.dumps(items, default=json_serial)
+    categories_json = json.dumps(categories, default=json_serial)
+
     return templates.TemplateResponse(
         request=request,
         name="shopping_list.html",
         context={
             "items": items,
+            "categories": categories,
+            "items_json": items_json,
+            "categories_json": categories_json,
             "current_year": iso_year,
             "current_week": iso_week
         }
@@ -914,7 +952,8 @@ def api_clear_mealplan_week(year: int = Query(...), week: int = Query(...)):
 @app.get("/api/shopping-list")
 def api_get_shopping_list():
     items = get_shopping_list()
-    return {"status": "ok", "items": items}
+    categories = get_shopping_categories()
+    return {"status": "ok", "items": items, "categories": categories}
 
 
 @app.post("/api/shopping-list")
@@ -925,7 +964,8 @@ def api_add_shopping_item(payload: ShoppingItemCreate):
         item_name=payload.item_name,
         amount=payload.amount or "",
         unit=payload.unit or "",
-        source=payload.source or ""
+        source=payload.source or "",
+        category=payload.category
     )
     return {"status": "ok", "item": item}
 
@@ -945,6 +985,14 @@ def api_toggle_shopping_item(item_id: int):
     return {"status": "ok", "item": updated}
 
 
+@app.post("/api/shopping-list/{item_id}/category")
+def api_update_item_category(item_id: int, payload: ShoppingItemCategoryUpdate):
+    updated = update_shopping_item_category(item_id, payload.category)
+    if not updated:
+        raise HTTPException(status_code=404, detail="Eintrag nicht gefunden.")
+    return {"status": "ok", "item": updated}
+
+
 @app.delete("/api/shopping-list/checked")
 def api_delete_checked_shopping():
     count = delete_checked_shopping_items()
@@ -963,6 +1011,51 @@ def api_delete_shopping_item(item_id: int):
     return {"status": "ok", "deleted": success}
 
 
+# ==========================================
+# SHOPPING CATEGORIES API (SUPERMARKT-BEREICHE)
+# ==========================================
+
+@app.get("/api/shopping-categories")
+def api_get_shopping_categories():
+    categories = get_shopping_categories()
+    return {"status": "ok", "categories": categories}
+
+
+@app.post("/api/shopping-categories")
+def api_add_shopping_category(payload: ShoppingCategoryCreate):
+    try:
+        cat = add_shopping_category(payload.name, payload.icon or "🛒", payload.sort_order)
+        return {"status": "ok", "category": cat}
+    except ValueError as e:
+        raise HTTPException(status_code=400, detail=str(e))
+
+
+@app.put("/api/shopping-categories/{cat_id}")
+def api_update_shopping_category(cat_id: int, payload: ShoppingCategoryUpdate):
+    cat = update_shopping_category(cat_id, payload.name, payload.icon or "🛒", payload.sort_order)
+    if not cat:
+        raise HTTPException(status_code=404, detail="Bereich nicht gefunden.")
+    return {"status": "ok", "category": cat}
+
+
+@app.delete("/api/shopping-categories/{cat_id}")
+def api_delete_shopping_category(cat_id: int):
+    success = delete_shopping_category(cat_id)
+    return {"status": "ok", "deleted": success}
+
+
+@app.post("/api/shopping-categories/reorder")
+def api_reorder_shopping_categories(payload: ShoppingReorderRequest):
+    reorder_shopping_categories(payload.category_ids)
+    return {"status": "ok", "categories": get_shopping_categories()}
+
+
+@app.post("/api/shopping-categories/reset-defaults")
+def api_reset_default_shopping_categories():
+    cats = reset_default_shopping_categories()
+    return {"status": "ok", "categories": cats}
+
+
 # ==========================================
 # MEAL PLAN INGREDIENTS API
 # ==========================================