def url_name_suggestions(request):
# there's a 'name' in request:
# take it and return a list of a few company url suggestions
suggestions = []
try: # get name from sent data
name = JsonParse(request.POST.get('data'))['name']
except:
return JsonResponse({'suggestions':[]})
# 0. "lowercaseize"
name = name.lower()
# 1. "asciify"
s = unidecode.unidecode(name)
# 2. remove forbidden characters (everything but alphanumeric and dash) ("alphanumerify")
s = re.sub(r'[^\w-]', ' ', s).strip()
# first suggestion: full name - also remove duplicate -'s
suggestions.append(unique_url_name(re.sub(r' +', '-', s)))
# 2. remove one-character words ("unonecharacterify")
# regex: one character followed by a space at the beginning OR
# space followed by a character followed by a space OR
# space followed by a character at the end
s = re.sub(r'(^. )|(( ).(?= ))|( .$)', ' ', s)
# 3. suggestions:
# first word, then first and second, then ..., up to g.MISC['company_url_length'] chars
max_len = g.MISC['company_url_length']
words = s.split()
for w in range(1, len(words)+1):
s = ''
for i in range(w):
s += '-' + words[i]
s = s[1:] # cut off the first '-'
if len(s) >= max_len:
break
suggestions.append(unique_url_name(s))
# only first characters of every word (a.k.a. acronym)
s = ''
for w in words:
s += w[0]
suggestions.append(unique_url_name(s))
# 4. remove possible inapropriate suggestions
valid = []
for s in suggestions:
if check_url_name(s):
valid.append(s)
# 5. remove duplicates
valid = list(set(valid))
# 6. sort by length
valid.sort(key=len)
suggestions = valid
del valid
# 3a. add a random string to suggestions
suggestions.append(unique_url_name(get_random_string(length=5).lower()))
# pass on to the page
return JsonResponse({'suggestions':suggestions})
