def return_item(self, itemCopyID):
"""Return the given item to it's owner
Arguments:
itemCopyID: an ID representing a ItemCopy object, the item to be returned
Return Value:
A message describing the success or failure or the operation
"""
from src.items.models import ItemCopy
from src.activity.models import ConfirmReturn
itemcopy = ItemCopy.get_by_id(int(itemCopyID))
# verify the itemCopyID was valid
if itemcopy == None:
return "Invalid item ID"
if itemcopy.owner == self.key:
itemcopy.return_item()
itemcopy.put()
return "Item successfully returned to your library"
elif itemcopy.borrower == self.key:
notification = ConfirmReturn(useraccount=itemcopy.owner, item=itemcopy.key)
notification.put()
return "Notice sent to owner, awaiting their confirmantion"
else:
return "You are not the owner of this item, nor are you borrowing it"
def add_item(self, item_subtype, item):
"""add a personal copy of a item to a user's account
Arguments:
item - Item object being attached to the User
Return Value:
a ItemCopy instance that links the User to the Item; None if the Item could not be linked
"""
from src.items.models import ItemCopy
itemcopy = ItemCopy(item=item.key, owner=self.key, item_subtype=item_subtype)
if itemcopy.put():
self.item_count = self.item_count + 1
self.put()
return itemcopy
def borrow_item(self, itemID, lenderID, due_date=None):
"""Borrow an item from another user
Arguments:
itemID: an ID representing the itemCopy object that will be borrowed
lenderID: an ID representing the user that will lend the item
due_date: the date the item should be returned,
if none is given the default for the lender is used
Return value:
A string describing the success or failure of the operation
"""
from src.items.models import ItemCopy
itemCopy = ItemCopy.get_by_id(itemID)
# check to see if the item copy is valid
if itemCopy == None:
return "Invalid item ID"
if itemCopy.owner.id() != lenderID:
return "That user does not own this item"
if itemCopy.borrower != None:
return "That item is not avaiable to be lent out"
itemCopy.lend(self.key.id(), due_date)
itemCopy.put()
return "Item successfully borrowed"
def request_to_borrow(lenderID, itemCopyID):
emailText = []
emailText.append("You have received the following message from " + current_user().name + ", a Sharing Commons user.\n----\n\n")
emailText.append(request.data)
emailText.append("\n\n----\nReply to this message to send an email to " + current_user().name + " and set up the exchange. Once you've lent the item, visit beta.sharingcommons.com to confirm lending the item. " + current_user().name + " will receive an email when the item is due")
emailBody = ''.join(emailText)
# Request item
try:
borrower = current_user()
lender = UserAccount.getuser(int(lenderID))
itemCopy = ItemCopy.get_by_id(int(itemCopyID))
rtb1 = RequestToBorrow()
rtb1.useraccount = lender.key
rtb1.connection = borrower.key
rtb1.item = itemCopy.key
rtb1.put()
wtb1 = WaitingToBorrow()
wtb1.useraccount = borrower.key
wtb1.connection = lender.key
wtb1.item = itemCopy.key
wtb1.put()
except:
return jsonify({"result":"error"})
# Send email
mail.send_mail(sender="Sharing Commons <*****@*****.**>",
to=lender.name + " <" + lender.email + ">",
reply_to=borrower.name + " <" + borrower.email + ">",
subject='Sharing Commons: Request to Borrow "' + Item.query(Item.key == itemCopy.item).get().title + '"',
body=emailBody)
return jsonify({"result":"success"})
def change_due_date(self, itemCopyID, newDueDate):
"""Update the date that a item is due
Arguments:
itemCopyID: an ID representing a ItemCopy object, the item to be returned
newDueDate: a string representing the new due date of the item
Return Value:
A message describing the success or failure or the operation
"""
from src.items.models import ItemCopy
from src.activity.models import DueDateExtension
itemcopy = ItemCopy.get_by_id(int(itemCopyID))
new_date = datetime.strptime(newDueDate, "%Y-%m-%d") + timedelta(
days=1
) # For some reason the datepickers are returning one day prior to the date selected, so this is a workaround to compensate
if itemcopy == None:
return "Invalid item ID"
if itemcopy.owner == self.key:
itemcopy.update_due_date(new_date)
itemcopy.put()
return "Due date successfully updated"
elif itemcopy.borrower == self.key:
notification = DueDateExtension(useraccount=itemcopy.owner, item=itemcopy.key, due_date=new_date)
notification.put()
return "Request sent to owner"
else:
return "You are not the owner of this item, nor are you borrowing it"
def confirm(self): itemcopy = ItemCopy.query(ItemCopy.key==self.item).get() item = Item.query(Item.key==itemcopy.item).get() itemcopy.update_due_date(self.due_date) itemcopy.put() self.cleanup() return "%s has been extended to %s" %(item.title,str(self.due_date))
def confirm(self): itemcopy = ItemCopy.query(ItemCopy.key==self.item).get() other = UserAccount.query(UserAccount.key==itemcopy.borrower).get() item = Item.query(Item.key==itemcopy.item).get() itemcopy.return_item() itemcopy.put() self.cleanup() return "%s has been returned to your library" %(item.title)
def get_lent_items(self):
"""Get all the items that the user is currently lending to anther user
Return Value:
A list of ItemCopy objects of all the the items the user is currently lending
"""
from src.items.models import ItemCopy
return ItemCopy.query(ItemCopy.owner == self.key, ItemCopy.borrower != None).fetch()
def get_library(self):
"""retrieve the user's library
Return value:
list of ItemCopy objects owned by the user
"""
from src.items.models import ItemCopy
return ItemCopy.query(ItemCopy.owner == self.key).fetch()
def reject(self): other = UserAccount.query(UserAccount.key==self.connection).get() itemcopy = ItemCopy.query(ItemCopy.key==self.item).get() item = Item.query(Item.key==itemcopy.item).get() self.cleanup() otherAction = WaitingToBorrow.query(WaitingToBorrow.item == itemcopy.key and WaitingToBorrow.useraccount == other.key).get() otherAction.cleanup() return "You have denied %s permission to borrow %s" %(other.name,item.title)
def reject(self): other = UserAccount.query(UserAccount.key==self.connection).get() itemcopy = ItemCopy.query(ItemCopy.key==self.item).get() item = Item.query(Item.key==itemcopy.item).get() self.cleanup() otherAction = RequestToBorrow.query(RequestToBorrow.item == itemcopy.key and RequestToBorrow.useraccount == other.key).get() otherAction.cleanup() return "Request cancelled"
def get_network_items(self):
"""Get all the items owned by users connected to this owned
Return value:
an array will all the ItemCopy objects belonging to connected users
"""
from src.items.models import ItemCopy
return ItemCopy.query(ItemCopy.owner.IN(self.get_connections())).fetch()
def movie_info(RTKey):
itemMovie = Item.get_by_key("movie",RTKey)
movie = itemMovie.to_dict()
# Check if user owns book and pass itemCopy object
if current_user().is_authenticated():
itemCopy = ItemCopy.query(ItemCopy.item==itemMovie.key,ItemCopy.owner==current_user().key).fetch()
if itemCopy:
movieCopy = itemCopy[0]
else:
movieCopy = None
else:
movieCopy = None
return render_response('itemdetail.html', item=movie, itemCopy=movieCopy)
def item_due_reminders(): count = 0 """find all the items due tomorrow and send reminder emails""" items = ItemCopy.query(ItemCopy.due_date==date.today() + timedelta(days=1)).fetch() for item in items: count += 1 owner = UserAccount.query(UserAccount.key==item.owner).get() mail.send_mail(sender=owner.email, to=UserAccount.query(UserAccount.key==item.borrower).get().email, subject="Item Due Soon", body="""The following item is due to be returned tomorrow: '%s'. Please return it to %s"""%(Item.query(Item.key==item.item).get().title,owner.name)) return "%s reminders were sent out" %count
def get_item(self, item_subtype, item):
"""retrieve the user's copy of a particular item
Arguments:
item - the Item being retrieved
Return value:
the user's ItemCopy object associated with the provided Item; None if the user does not own item
"""
from src.items.models import ItemCopy
myitem = ItemCopy.query(
ItemCopy.item == item.key, ItemCopy.owner == self.key, ItemCopy.item_subtype == item_subtype
).get()
return myitem
def confirm(self): other = UserAccount.query(UserAccount.key==self.connection).get() itemcopy = ItemCopy.query(ItemCopy.key==self.item).get() item = Item.query(Item.key==itemcopy.item).get() due_date = None cur_user = UserAccount.query(UserAccount.key==self.useraccount).get() cur_user.lend_item(int(itemcopy.key.id()), int(other.key.id()), due_date) self.cleanup() otherAction = WaitingToBorrow.query(WaitingToBorrow.item == itemcopy.key and WaitingToBorrow.useraccount == other.key).get() otherAction.cleanup() return "You have agreed to lend %s to %s" %(item.title,other.name)
def get_borrowed_items(self):
"""Get all the items that the user is currently borrowing from anther user
Return Value:
A list of ItemCopy objects of all the the items the user is currently borrowing
"""
from src.items.models import ItemCopy
itemList = ItemCopy.query(ItemCopy.borrower == self.key).fetch()
# Remove manually lent items (items being lended to the user's self)
# They appear here because the borrower and lender is set to the user's self
borrowedItems = []
for item in itemList:
if not item.manual_borrower_name:
borrowedItems.append(item)
return borrowedItems
def manual_checkout(itemCopyID):
if request.method == 'POST':
itemCopy = ItemCopy.get_by_id(int(itemCopyID))
# Manually checkout
itemCopy.borrower = current_user().key
itemCopy.lender = current_user().key
itemCopy.manual_borrower_name = request.form["borrowerName"]
if "borrowerEmail" in request.form:
itemCopy.manual_borrower_email = request.form["borrowerEmail"]
itemCopy.due_date = datetime.strptime(request.form["dueDate"], "%m/%d/%Y")
itemCopy.put()
return jsonify({"result":"success"})
else:
return jsonify({"result":"error"})
def setup_item_borrow_actions(lenderID, itemCopyID):
borrower = current_user()
lender = UserAccount.getuser(int(lenderID))
itemCopy = ItemCopy.get_by_id(int(itemCopyID))
rtb1 = RequestToBorrow()
rtb1.useraccount = lender.key
rtb1.connection = borrower.key
rtb1.item = itemCopy.key
rtb1.put()
wtb1 = WaitingToBorrow()
wtb1.useraccount = borrower.key
wtb1.connection = lender.key
wtb1.item = itemCopy.key
wtb1.put()
return jsonify({"Message":"OK"})
def star_rating(item_subtype, item_key, star_rating):
# Get Item
# Infer item_type
if item_subtype in ('book', 'ebook', 'audiobook'):
item_type = 'book'
elif item_subtype in ('dvd', 'bluray'):
item_type = 'movie'
else:
item_type = ''
item = Item.get_by_key(item_type,item_key)
# Get ItemCopy
itemCopy = ItemCopy.query(ItemCopy.item==item.key,ItemCopy.owner==current_user().key,ItemCopy.item_subtype==item_subtype).get()
if itemCopy.update_star_rating(star_rating):
return jsonify({"result":"success"})
else:
return jsonify({"result":"error"})
def remove_item(self, item_subtype, item):
"""delete a user's copy of a item
Arguments:
item - Item object that is to be removed
Return value:
the ItemCopy instance that was just deleted; None if the ItemCopy was not found
"""
from src.items.models import ItemCopy
itemcopy = ItemCopy.query(
ItemCopy.item == item.key, ItemCopy.owner == self.key, ItemCopy.item_subtype == item_subtype
).get()
if itemcopy:
itemcopy.key.delete()
self.item_count = self.item_count - 1
self.put()
return itemcopy
def book_info(OLKey):
# Pass book object to template
itemBook = Item.get_by_key("book",OLKey)
book = itemBook.to_dict()
# Determine if the user owns this book
# Find all connections who own this book and get the status for each
# Find out any pending actions regarding this book
# Find any current loans or borrow of this book
# Check if user owns book and pass itemCopy object
if current_user().is_authenticated():
itemCopy = ItemCopy.query(ItemCopy.item==itemBook.key,ItemCopy.owner==current_user().key).fetch()
if itemCopy:
bookCopy = itemCopy[0]
else:
bookCopy = None
else:
bookCopy = None
return render_response('itemdetail.html',item=book,itemCopy=bookCopy)
def confirm(self): other = UserAccount.query(UserAccount.key==self.connection).get() itemcopy = ItemCopy.query(ItemCopy.key==self.item).get() item = Item.query(Item.key==itemcopy.item).get() print "You have accepted a connection request from %s" %(other.name)
def text(self): itemcopy = ItemCopy.query(ItemCopy.key==self.item).get() other = UserAccount.query(UserAccount.key==itemcopy.borrower).get() item = Item.query(Item.key==itemcopy.item).get() return "%s reported checking in '%s'" %(other.name,item.title)
def reject(self): itemcopy = ItemCopy.query(ItemCopy.key==self.item).get() other = UserAccount.query(UserAccount.key==itemcopy.borrower).get() item = Item.query(Item.key==itemcopy.item).get() self.cleanup() return "Recorded that %s didn't return %s" %(other.name,item.title)
def text(self): itemcopy = ItemCopy.query(ItemCopy.key==self.item).get() other = UserAccount.query(UserAccount.key==itemcopy.borrower).get() item = Item.query(Item.key==itemcopy.item).get() return "%s wants to extend the due date of '%s' to %s?" %(other.name,item.title,str(self.due_date))
def text(self): other = UserAccount.query(UserAccount.key==self.connection).get() itemcopy = ItemCopy.query(ItemCopy.key==self.item).get() item = Item.query(Item.key==itemcopy.item).get() return "%s has requested to borrow '%s'" %(other.name,item.title)
def text(self): other = UserAccount.query(UserAccount.key==self.connection).get() itemcopy = ItemCopy.query(ItemCopy.key==self.item).get() item = Item.query(Item.key==itemcopy.item).get() return "You have requested to borrow '%s' from %s" %(item.title,other.name)