Add product admin

src/allmende_payment_system/api/admin.py

@@ -1,12 +1,14 @@
 from decimal import Decimal
+from typing import Annotated
 
-from fastapi import APIRouter, HTTPException, Request
+from fastapi import APIRouter, File, Form, HTTPException, Request
 from sqlalchemy import select
 from starlette import status
 from starlette.responses import RedirectResponse
 
+from allmende_payment_system.api import types
 from allmende_payment_system.api.dependencies import SessionDep, UserDep
-from allmende_payment_system.models import Permission, User, UserGroup
+from allmende_payment_system.models import Area, Permission, Product, User, UserGroup
 from allmende_payment_system.tools import get_jinja_renderer
 
 admin_router = APIRouter(prefix="/admin")
@@ -156,3 +158,112 @@ async def delete_group(
     ).scalar_one()
     session.delete(group)
     return RedirectResponse(url="/admin/groups", status_code=status.HTTP_303_SEE_OTHER)
+
+
+# PRODUCTS
+
+
+@admin_router.get("/products")
+async def get_products(
+    request: Request,
+    session: SessionDep,
+    user: UserDep,
+):
+    products = session.scalars(
+        select(Product).order_by(Product.area_id, Product.name)
+    ).all()
+
+    templates = get_jinja_renderer()
+
+    return templates.TemplateResponse(
+        "products.html.jinja",
+        context={"request": request, "products": products},
+    )
+
+
+@admin_router.get("/products/edit/{product_id}")
+async def edit_product_get(
+    request: Request, session: SessionDep, user: UserDep, product_id: int
+):
+    product = session.execute(select(Product).where(Product.id == product_id)).scalar()
+
+    areas = session.scalars(select(Area)).all()
+
+    templates = get_jinja_renderer()
+
+    return templates.TemplateResponse(
+        "product_edit.html.jinja",
+        context={
+            "request": request,
+            "product": product,
+            "edit_mode": True,
+            "areas": areas,
+        },
+    )
+
+
+@admin_router.post("/products/edit/{product_id}")
+async def edit_product_post(
+    request: Request,
+    session: SessionDep,
+    user: UserDep,
+    product_id: int,
+    product_data: Annotated[types.Product, Form()],
+):
+    if not user.has_permission("product", "edit"):
+        raise HTTPException(status_code=403, detail="Insufficient permissions")
+
+    product = session.execute(
+        select(Product).where(Product.id == product_id)
+    ).scalar_one()
+
+    for field_name, data in product_data.model_dump().items():
+        setattr(product, field_name, data)
+
+    session.flush()
+
+    return RedirectResponse(
+        url="/admin/products", status_code=status.HTTP_303_SEE_OTHER
+    )
+
+
+@admin_router.get("/products/new")
+async def new_product_get(
+    request: Request,
+    session: SessionDep,
+    user: UserDep,
+):
+    if not user.has_permission("product", "edit"):
+        raise HTTPException(status_code=403, detail="Insufficient permissions")
+
+    areas = session.scalars(select(Area)).all()
+
+    templates = get_jinja_renderer()
+
+    return templates.TemplateResponse(
+        "product_edit.html.jinja",
+        context={"request": request, "edit_mode": False, "areas": areas},
+    )
+
+
+@admin_router.post("/products/new")
+async def new_product_post(
+    request: Request,
+    session: SessionDep,
+    user: UserDep,
+    product_data: Annotated[types.Product, Form()],
+    # product_image: Annotated[bytes, File()]
+):
+    if not user.has_permission("product", "edit"):
+        raise HTTPException(status_code=403, detail="Insufficient permissions")
+    # print(len(product_image))
+    product = Product()
+
+    for field_name, data in product_data.model_dump().items():
+        setattr(product, field_name, data)
+
+    session.add(product)
+
+    return RedirectResponse(
+        url="/admin/products", status_code=status.HTTP_303_SEE_OTHER
+    )

src/allmende_payment_system/api/types.py

@@ -0,0 +1,20 @@
+import typing
+from decimal import Decimal
+
+from pydantic import BaseModel
+
+UnitsOfMeasure = typing.Literal[
+    "g",
+    "kg",
+    "l",
+    "piece",
+]
+
+
+class Product(BaseModel):
+    name: str
+    price: Decimal
+    area_id: int
+    vat_rate: Decimal
+    allow_fractional: bool = False
+    unit_of_measure: UnitsOfMeasure

src/allmende_payment_system/models.py

@@ -12,6 +12,8 @@ from sqlalchemy.orm import (
     relationship,
 )
 
+from allmende_payment_system.api.types import UnitsOfMeasure
+
 TABLE_PREFIX = "aps_"
 
 
@@ -131,14 +133,6 @@ class Area(Base):
     products: Mapped[list["Product"]] = relationship("Product")
 
 
-UnitsOfMeasure = typing.Literal[
-    "g",
-    "kg",
-    "l",
-    "piece",
-]
-
-
 class Product(Base):
     __tablename__ = TABLE_PREFIX + "product"
     id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)

src/allmende_payment_system/templates/base.html.jinja

@@ -29,6 +29,13 @@
                                 Einkaufen
                             </a>
                         </li>
+                        {% if request.state.user.has_permission("product", "edit") %}
+                        <li class="nav-item">
+                            <a href="/admin/products" class="nav-link{% if request.url.path.startswith("/admin/products")%} active{% endif %}">
+                                Produktverwaltung
+                            </a>
+                        </li>
+                        {% endif %}
                         {% if request.state.user.has_permission("user", "edit") %}
                         <li class="nav-item">
                             <a href="/admin/users" class="nav-link{% if request.url.path.startswith("/admin/users")%} active{% endif %}">

src/allmende_payment_system/templates/product_edit.html.jinja

@@ -0,0 +1,57 @@
+{% extends "base.html.jinja" %}
+{% block content %}
+    <div class="mb-4">
+        <h2 class="h4 mb-3">Produkt {% if not edit_mode %}erstellen{% else %}bearbeiten{% endif %}</h2>
+    </div>
+
+    <form method="post">
+        <div class="mb-3">
+            <label for="name" class="form-label">Name</label>
+            <input type="text" class="form-control" id="name" name="name" {% if edit_mode %}value="{{ product.name }}"{% endif %} required>
+        </div>
+
+        <div class="mb-3">
+            <label for="price" class="form-label">Preis</label>
+            <input type="number" step="0.01" class="form-control" id="price" name="price" {% if edit_mode %}value="{{ product.price }}"{% endif %} required>
+        </div>
+
+        <div class="mb-3">
+            <label for="unit_of_measure" class="form-label">Einheit</label>
+            <select class="form-select" id="unit_of_measure" name="unit_of_measure" required>
+                <option value="g" {% if edit_mode and product.unit_of_measure == 'g' %}selected{% endif %}>g</option>
+                <option value="kg" {% if edit_mode and product.unit_of_measure == 'kg' %}selected{% endif %}>kg</option>
+                <option value="l" {% if edit_mode and product.unit_of_measure == 'l' %}selected{% endif %}>l</option>
+                <option value="piece" {% if edit_mode and product.unit_of_measure == 'piece' %}selected{% endif %}>Stück</option>
+            </select>
+        </div>
+
+        <div class="mb-3 form-check">
+            <input type="checkbox" class="form-check-input" id="allow_fractional" name="allow_fractional" {% if edit_mode and product.allow_fractional %}checked{% endif %}>
+            <label class="form-check-label" for="allow_fractional">Bruchteile erlauben</label>
+        </div>
+
+        <div class="mb-3">
+            <label for="vat_rate" class="form-label">MwSt-Satz</label>
+            <select class="form-select" id="vat_rate" name="vat_rate" required>
+                <option value="7" {% if edit_mode and product.vat_rate == '7' %}selected{% endif %}>7 %</option>
+                <option value="19" {% if edit_mode and product.vat_rate == '19' %}selected{% endif %}>19 %</option>
+            </select>
+        </div>
+
+        <div class="mb-3">
+            <label for="area" class="form-label">Bereich</label>
+            <select class="form-select" id="area" name="area_id" required>
+                {% for area in areas %}
+                    <option value="{{ area.id }}" {% if edit_mode and area.id == product.area_id %}selected{% endif %}>{{ area.name }}</option>
+                {% endfor %}
+            </select>
+        </div>
+
+        <!-- <div class="mb-3">
+            <label for="image_path" class="form-label">Bild-Pfad</label>
+            <input class="form-control" type="file" id="image_path" accept="image/*">
+        </div> -->
+
+        <button type="submit" class="btn btn-primary">Speichern</button>
+    </form>
+{% endblock %}

src/allmende_payment_system/templates/products.html.jinja

@@ -0,0 +1,43 @@
+{% extends "base.html.jinja" %}
+{% block content %}
+    <div class="mb-4">
+        <h2 class="h4 mb-3">Produkte verwalten</h2>
+        <a class="btn btn-primary" href="/admin/products/new">Neues Produkt erstellen</a>
+    </div>
+
+    {% if products|length == 0 %}
+        <div class="alert alert-info">Keine Produkte vorhanden.</div>
+    {% else %}
+        <div class="table-responsive">
+            <table class="table align-middle">
+                <thead>
+                    <tr>
+                        <th>ID</th>
+                        <th>Name</th>
+                        <th>Bereich</th>
+                        <th>Preis</th>
+                        <th>Einheit</th>
+                        <th>Steuersatz</th>
+                        <th></th>
+                    </tr>
+                </thead>
+                <tbody>
+                    {% for product in products %}
+                        <tr>
+                            <td>{{ product.id }}</td>
+                            <td>{{ product.name }}</td>
+                            <td>{{ product.area.name }}</td>
+                            <td>{{ product.price | format_number}} €</td>
+                            <td>{{ product.unit_of_measure | units_of_measure_de}}</td>
+                            <td>{{ product.vat_rate | int }} %</td>
+                            <td class="text-end">
+                                <a class="btn btn-sm btn-primary" href="/admin/products/edit/{{ product.id }}">Bearbeiten</a>
+                            </td>
+                        </tr>
+                    {% endfor %}
+                </tbody>
+            </table>
+        </div>
+    {% endif %}
+
+{% endblock %}