Added bulk buying to api2

k4ever/api2/handlers.py

@@ -6,6 +6,7 @@ from django.contrib.auth.decorators import user_passes_test
 from django.contrib.auth.models import Group
 from django.core.exceptions import MultipleObjectsReturned
 from decorators import *
+from collections import Iterable
 from decimal import Decimal, InvalidOperation
 from helper import *
 import datetime
@@ -20,7 +21,7 @@ class BuyableItemHandler(BaseHandler):
 
 	BUY_ITEM, BUY_DEPOSIT, BUY_ITEM_AND_DEPOSIT = range(3)
 	
-	def read(self, request, itemId=None):
+	def read(self, request, itemId=None, bulkBuy=False):
 		"""Get one or multiple items.
 		
 		 - type: Only get items belonging to this type
@@ -29,6 +30,12 @@ class BuyableItemHandler(BaseHandler):
 		Note that neither type nor barcode is used if an item id
 		is specified.
 		"""
+		
+		if bulkBuy:
+			ret = rc.NOT_IMPLEMENTED
+			ret.write("\nBulk buying does not support GET\n")
+			return ret
+		
 		barcode = request.GET.get('barcode', None)
 		if itemId == None:
 			obj = Buyable.objects.all()
@@ -54,15 +61,24 @@ class BuyableItemHandler(BaseHandler):
 			return error
 	
 	@manglePluginPerms
-	def create(self, request, itemId=None):
+	def create(self, request, itemId=None, bulkBuy=False):
+		"""Buy one or multiple :class:`Buyable <buyable.models.Buyable>` items.
+		"""
+		
+		if not request.content_type:
+			request.data = request.POST
+
+		if bulkBuy:
+			return self.bulkBuy(request)
+		else:
+			return self.buyItem(request, itemId)
+	
+	def buyItem(self, request, itemId):
 		"""Buy a :class:`Buyable <buyable.models.Buyable>` item.
 		
 		- deposit:		Set to 0 for no deposit, 1 for item+deposit and 2 for deposit only (default 0)
 		- amount:		amount of items to buy (default 1)
 		"""
-		
-		if not request.content_type:
-			request.data = request.POST
 		if not itemId:
 			return rc.BAD_REQUEST
 		item = None
@@ -95,6 +111,76 @@ class BuyableItemHandler(BaseHandler):
 		
 		return rc.CREATED
 	
+	def bulkBuy(self, request):
+		"""Buy a :class:`Buyable <buyable.models.Buyable>` item.
+		
+		To buy multiple items, the body of the POST-request has to
+		be either JSON or YAML. 
+		- items:    List of items to buy.
+		- deposits: List of items to buy deposit for.
+		"""
+		if not request.content_type:
+			ret = rc.BAD_REQUEST
+			ret.write("\nThe content-type of the request must not be empty/urlencoded\n")
+			return ret
+
+		if not request.data.has_key("items") and not request.data.has_key("deposits"):
+			ret = rc.BAD_REQUEST
+			ret.write("\nYou need to specify either items or deposits (or both).\n")
+			return ret
+		
+		itemList = []
+		try:
+			if request.data.has_key('items'):
+				if not isinstance(request.data['items'], Iterable):
+					raise TypeError()
+				itemList += request.data['items']
+			if request.data.has_key('deposits'):
+				if request.data.has_key('items'):
+					if not isinstance(request.data['deposits'], Iterable):
+						raise TypeError()
+				itemList += request.data['deposits']
+		except TypeError:
+			ret = rc.BAD_REQUEST
+			ret.write("\nThe items/deposists parameter have to be a list.\n")
+			return ret
+		
+		ids = {}
+		for item in itemList:
+			if not ids.has_key(item):
+				try:
+					ids[item] = Buyable.objects.get(id=item)
+				except Buyable.DoesNotExist:
+					ret = rc.NOT_FOUND
+					ret.write("\nThe item with the id '%s' could not be found\n" % (item,))
+					return ret
+				except ValueError:
+					ret = rc.NOT_FOUND
+					ret.write("\nItem ids should be numeric (and preferably integers)\n")
+					return ret
+				if item in request.data['deposits'] and not ids[item].hasDeposit():
+					ret = rc.BAD_REQUEST
+					ret.write("\nItem '%s' cant be bought with deposit\n" % (item,))
+					return ret
+		
+		order = Order()
+		order.create(request.user)
+		order.save()
+		purchases = []
+		if request.data.has_key('items'):
+			for item in request.data['items']:
+				p = Purchase.create(order, ids[item], isDeposit=False)
+				p.save()
+		if request.data.has_key('deposits'):
+			for item in request.data['deposits']:
+				p = Purchase.create(order, ids[item], isDeposit=True)
+				p.save()
+		
+		order.updatePrice(commit=True)
+		order.save()
+		
+		return rc.CREATED
+
 class BuyableTypeHandler(BaseHandler):
 	"""Handler for listing all :class:`BuyableType <buyable.models.BuyableType>`.
 

k4ever/api2/urls.py

@@ -38,6 +38,7 @@ configRes   = CsrfExemptResource(handler=ConfigHandler, **ad)
 urlpatterns = patterns('',
 	url(r'buyable/item/?$', buyableItemRes),
 	url(r'buyable/item/(?P<itemId>\d+)/?$', buyableItemRes),
+	url(r'buyable/item/bulkbuy/$', buyableItemRes, {'bulkBuy': True}),
 	url(r'buyable/types/?$', buyableTypeRes),
 	url(r'buyable/history/?$', historyRes),
 	

k4ever/docs/django/api.rst

@@ -61,7 +61,7 @@ to the handler or the responsible method for more documentation or code.
 		barcode		item with this barcode
   		=========	=======================
 
-   	:func:`POST <api2.handlers.BuyableItemHandler.create>`
+   	:func:`POST <api2.handlers.BuyableItemHandler.buyItem>`
    		Buy a :class:`Buyable <buyable.models.Buyable>` (requires an ItemId)
 
 		=========	=======================================================
@@ -71,9 +71,22 @@ to the handler or the responsible method for more documentation or code.
    		amount		amount of items to buy (default 1)
 		=========	=======================================================
 
+  :class:`item/bulkbuy/ <api2.handlers.BuyableItemHandler>`
+   	:func:`POST <api2.handlers.BuyableItemHandler.bulkBuy>`
+   		Buy multiple :class:`Buyables <buyable.models.Buyable>`.
+		To buy multiple items, the body of this ``POST``-request has to
+		be either JSON or YAML. In case of doubt, see the :ref:`curl examples <curl-examples>` below.
+
+		=========	=======================================================
+		Parameter	Description
+		=========	=======================================================
+		items		A list of ids for items to buy.
+		deposits	A list of ids for items to buy as deposit.
+		=========	=======================================================
+
   :class:`types/ <api2.handlers.BuyableTypeHandler>`
    	:func:`GET <api2.handlers.BuyableTypeHandler.read>`
-   		List all types which an item can belong to
+   		List all types which an item can belong to.
    
   :class:`history/ <api2.handlers.HistoryHandler>`
    	:func:`GET <api2.handlers.HistoryHandler.read>`
@@ -185,6 +198,7 @@ CURL
 """"
 As one might see, ``curl`` is quite nice for accessing the API. ``curl`` also supports the ``HTTP``, ``PUT`` and ``DELETE`` methods.
 
+.. _curl-examples:
 .. code-block:: bash
 
     # find item with barcode
@@ -195,4 +209,6 @@ As one might see, ``curl`` is quite nice for accessing the API. ``curl`` also su
 	curl --basic http://testplugin:maunz@server/api/buyable/account/balance/?user=frundy
 	# as plugin, buy item with id 3 10 times
 	curl --basic -X POST --data "amount=10" http://testplugin:maunz@server/api/buyable/item/3/?user=frundy
+	# buy multiple items by sending JSON-data
+	curl --basic -X POST -H "Content-Type: application/json" --data '{"items": [1,2,4], "deposits": [1, 3]}' http://frundy:foobar@server/api/buyable/item/bulkbuy/