2 files changed, 55 insertions(+), 3 deletions(-)

M src/groceries/web/api.py
M tests/test_rest_server.py

@@ 1,6 1,6 @@
-from flask import Blueprint, abort, current_app, jsonify, url_for
+from flask import Blueprint, abort, current_app, jsonify, request, url_for
 
-from groceries.model import GroceryList
+from groceries.model import GroceryList, Item
 
 
 def dictify(item):


@@ 24,6 24,11 @@ def resource_not_found(e):
     return jsonify(error=str(e)), 404
 
 
+@bp.errorhandler(400)
+def bad_request(e):
+    return jsonify(error=str(e)), 400
+
+
 @bp.route("/")
 @bp.route("/items/")
 def index():


@@ 32,6 37,23 @@ def index():
     return jsonify(items=[dictify(i) for i in items])
 
 
+@bp.route("/items/", methods=["POST"])
+def create_item():
+    try:
+        item = Item(**request.json)
+    except TypeError:
+        abort(400, description="Missing fields in request")
+
+    grocery_list = GroceryList(current_app.config["BACKEND"])
+
+    try:
+        grocery_list.add_item(*item)
+    except ValueError:
+        abort(400, description=f"Item with name {item.name!r} already exists")
+
+    return dictify(item), 201
+
+
 @bp.route("/items/<name>")
 def get_item(name):
     grocery_list = GroceryList(current_app.config["BACKEND"])


@@ 40,7 62,7 @@ def get_item(name):
     if not items:
         abort(404, description=f"No resource with name {name!r}")
 
-    return jsonify(dictify(items[0]))
+    return dictify(items[0])
 
 
 @bp.route("/items/<name>", methods=["DELETE"])

@@ 80,3 80,33 @@ def test_delete_unknown_item(client):
     assert response.get_json() == {
         "error": "404 Not Found: No resource with name 'jabberwocky'"
     }
+
+
+def test_create_item(client):
+    item = dict(name="turkey", section="frozen", priority=2)
+    response = client.post("/api/items/", json=item)
+    assert response.status_code == 201
+    assert response.get_json() == dict(
+        **item, preferred_shop=None, url="/api/items/turkey"
+    )
+    assert client.get("/api/items/turkey").status_code == 200
+
+
+def test_create_item_with_missing_fields(client):
+    response = client.post("/api/items/")
+    assert response.status_code == 400
+
+    response = client.post("/api/items/", json={"name": "turkey"})
+    assert response.status_code == 400
+    assert response.get_json() == {
+        "error": "400 Bad Request: Missing fields in request"
+    }
+
+
+def test_create_existing_item(client):
+    item = dict(name="apples", section="fruit", priority=0)
+    response = client.post("/api/items/", json=item)
+    assert response.status_code == 400
+    assert response.get_json() == {
+        "error": "400 Bad Request: Item with name 'apples' already exists"
+    }