def addbook(self, title=None, author=None, submit=None, cancel=None):
username = self.logon.checkauth()
userid = booksdb.checkuser(username)
if not cancel is None: raise cherrypy.HTTPRedirect("/books")
data = defaultdict(str)
if submit is None:
return basepage % (Books.addbookform % data)
if title is None or author is None:
raise cherrypy.HTTPError(400, 'missing argument')
data['title'] = title
data['author'] = author
try:
a = booksdb.newauthor(author)
try:
b = booksdb.newbook(title, [a])
booksdb.addowner(b, userid)
raise cherrypy.HTTPRedirect("/books")
except ValueError as e:
data[
'titleerror'] = 'class="inputerror ui-state-error" title="%s"' % str(
e)
except ValueError as e:
data[
'authorerror'] = 'class="inputerror ui-state-error" title="%s"' % str(
e)
return basepage % (Books.addbookform % data)
def list(self, offset=0, limit=10, mine=1, pattern="", _=None):
username = self.logon.checkauth()
userid = booksdb.checkuser(username)
try:
offset = int(offset)
if offset < 0: raise ValueError("offset < 0")
except ValueError:
raise TypeError("offset not an integer")
try:
limit = int(limit)
if limit < -1: raise ValueError("limit < -1")
except ValueError:
raise TypeError("limit not an integer")
try:
mine = int(mine)
except ValueError:
raise TypeError("mine not an integer")
if not mine in (0, 1):
raise ValueError("mine not in (0,1)")
if len(pattern) > 100:
raise ValueError("length of pattern > 100")
# show titles
yield '<div class="columnheaders"><div class="title">Title</div><div class="author">Author</div></div>'
# get matching books
if mine == 0: userid = None
n, books = booksdb.listbooks(user=userid,
offset=offset,
limit=limit,
pattern=pattern)
# yield them as a list of divs
for b in books:
a1 = booksdb.listauthors(b)[0]
yield '''<div id="%d" class="bookrow">
<div class="title">%s</div>
<div class="author">%s</div>
</div>''' % (b.id, b.title, a1.name)
# yield a line of navigation buttons
yield '''<div id="navigation">
<p id="info">Showing
<span id="limitid">%d</span> of
<span id="nids">%d</span> items,
owned by <span id="owner">%s</span> starting at
<span id="firstid">%d</span>
</p>
<div id="toolbar">
<button id="firstpage" value="First">First</button>
<button id="previouspage" value="Previous">Prev</button>
<input id="mine" type="checkbox" %s /><label for="mine">Mine</label>
<input id="pattern" type="text" value="%s" />
<button id="nextpage" value="Next" >Next</button>
<button id="lastpage" value="Last" >Last</button>
<button id="addbook" value="Add">Add</button>
</div>
</div>''' % (limit, n, username if mine else "all", offset,
'checked="yes"' if mine else "", pattern)
def addbook(self, title=None, author=None, submit=None, cancel=None):
username = self.logon.checkauth()
userid = booksdb.checkuser(username)
if not cancel is None:
raise cherrypy.HTTPRedirect("/books")
data = defaultdict(str)
if submit is None:
return basepage % (Books.addbookform % data)
if title is None or author is None:
raise cherrypy.HTTPError(400, "missing argument")
data["title"] = title
data["author"] = author
try:
a = booksdb.newauthor(author)
try:
b = booksdb.newbook(title, [a])
booksdb.addowner(b, userid)
raise cherrypy.HTTPRedirect("/books")
except ValueError as e:
data["titleerror"] = 'class="inputerror ui-state-error" title="%s"' % str(e)
except ValueError as e:
data["authorerror"] = 'class="inputerror ui-state-error" title="%s"' % str(e)
return basepage % (Books.addbookform % data)
def list(self, offset=0, limit=10, mine=1, pattern="", _=None):
username = self.logon.checkauth()
userid = booksdb.checkuser(username)
try:
offset = int(offset)
if offset < 0:
raise ValueError("offset < 0")
except ValueError:
raise TypeError("offset not an integer")
try:
limit = int(limit)
if limit < -1:
raise ValueError("limit < -1")
except ValueError:
raise TypeError("limit not an integer")
try:
mine = int(mine)
except ValueError:
raise TypeError("mine not an integer")
if not mine in (0, 1):
raise ValueError("mine not in (0,1)")
if len(pattern) > 100:
raise ValueError("length of pattern > 100")
# show titles
yield '<div class="columnheaders"><div class="title">Title</div><div class="author">Author</div></div>'
# get matching books
if mine == 0:
userid = None
n, books = booksdb.listbooks(user=userid, offset=offset, limit=limit, pattern=pattern)
# yield them as a list of divs
for b in books:
a1 = booksdb.listauthors(b)[0]
yield """<div id="%d" class="bookrow">
<div class="title">%s</div>
<div class="author">%s</div>
</div>""" % (
b.id,
b.title,
a1.name,
)
# yield a line of navigation buttons
yield """<div id="navigation">
<p id="info">Showing
<span id="limitid">%d</span> of
<span id="nids">%d</span> items,
owned by <span id="owner">%s</span> starting at
<span id="firstid">%d</span>
</p>
<div id="toolbar">
<button id="firstpage" value="First">First</button>
<button id="previouspage" value="Previous">Prev</button>
<input id="mine" type="checkbox" %s /><label for="mine">Mine</label>
<input id="pattern" type="text" value="%s" />
<button id="nextpage" value="Next" >Next</button>
<button id="lastpage" value="Last" >Last</button>
<button id="addbook" value="Add">Add</button>
</div>
</div>""" % (
limit,
n,
username if mine else "all",
offset,
'checked="yes"' if mine else "",
pattern,
)
