| paul@2 | 1 | #!/usr/bin/env python |
| paul@2 | 2 | |
| paul@15 | 3 | from os.path import abspath, commonprefix, exists, join, split |
| paul@2 | 4 | from os import makedirs |
| paul@15 | 5 | from vCalendar import iterwrite |
| paul@2 | 6 | |
| paul@15 | 7 | STORE_DIR = "/var/lib/imip-agent/store" |
| paul@2 | 8 | |
| paul@2 | 9 | def check_dir(base, dir): |
| paul@2 | 10 | return commonprefix([base, abspath(dir)]) == base |
| paul@2 | 11 | |
| paul@15 | 12 | def to_stream(out, fragment, objtype, encoding="utf-8"): |
| paul@15 | 13 | iterwrite(out, encoding=encoding).write(objtype, {}, fragment) |
| paul@15 | 14 | |
| paul@2 | 15 | class FileStore: |
| paul@2 | 16 | |
| paul@2 | 17 | "A file store of tabular data." |
| paul@2 | 18 | |
| paul@2 | 19 | def __init__(self): |
| paul@2 | 20 | self.store_dir = STORE_DIR |
| paul@2 | 21 | if not exists(self.store_dir): |
| paul@2 | 22 | makedirs(self.store_dir) |
| paul@2 | 23 | |
| paul@15 | 24 | def get_file_object(self, base, *parts): |
| paul@15 | 25 | pathname = join(base, *parts) |
| paul@15 | 26 | return check_dir(base, pathname) and pathname or None |
| paul@2 | 27 | |
| paul@15 | 28 | def get_event(self, user, uid): |
| paul@2 | 29 | |
| paul@15 | 30 | "Get the event for the given 'user' with the given 'uid'." |
| paul@15 | 31 | |
| paul@15 | 32 | filename = self.get_file_object(self.store_dir, user, uid) |
| paul@15 | 33 | if not filename: |
| paul@2 | 34 | return None |
| paul@2 | 35 | |
| paul@15 | 36 | return exists(filename) and open(filename) or None |
| paul@15 | 37 | |
| paul@15 | 38 | def set_event(self, user, uid, details): |
| paul@15 | 39 | |
| paul@15 | 40 | "Set an event for 'user' having the given 'uid' and 'details'." |
| paul@15 | 41 | |
| paul@15 | 42 | dir = self.get_file_object(self.store_dir, user) |
| paul@15 | 43 | if not dir: |
| paul@15 | 44 | return False |
| paul@15 | 45 | |
| paul@15 | 46 | filename = self.get_file_object(dir, uid) |
| paul@15 | 47 | if not filename: |
| paul@15 | 48 | return False |
| paul@15 | 49 | |
| paul@15 | 50 | if not exists(dir): |
| paul@15 | 51 | makedirs(dir) |
| paul@15 | 52 | |
| paul@15 | 53 | f = open(filename, "w") |
| paul@15 | 54 | try: |
| paul@15 | 55 | to_stream(f, details, "VEVENT") |
| paul@15 | 56 | finally: |
| paul@15 | 57 | f.close() |
| paul@15 | 58 | |
| paul@15 | 59 | return True |
| paul@15 | 60 | |
| paul@15 | 61 | def get_freebusy(self, user): |
| paul@15 | 62 | |
| paul@15 | 63 | "Get free/busy details for the given 'user'." |
| paul@15 | 64 | |
| paul@15 | 65 | filename = self.get_file_object(self.store_dir, user, "freebusy") |
| paul@15 | 66 | if not filename or not exists(filename): |
| paul@2 | 67 | return None |
| paul@2 | 68 | |
| paul@2 | 69 | f = open(filename) |
| paul@2 | 70 | try: |
| paul@2 | 71 | l = [] |
| paul@2 | 72 | for line in f.readlines(): |
| paul@17 | 73 | l.append(tuple(line.strip().split("\t"))) |
| paul@2 | 74 | return l |
| paul@2 | 75 | finally: |
| paul@2 | 76 | f.close() |
| paul@2 | 77 | |
| paul@15 | 78 | def set_freebusy(self, user, freebusy): |
| paul@15 | 79 | |
| paul@15 | 80 | "For the given 'user', set 'freebusy' details." |
| paul@15 | 81 | |
| paul@15 | 82 | filename = self.get_file_object(self.store_dir, user, "freebusy") |
| paul@15 | 83 | if not filename: |
| paul@15 | 84 | return False |
| paul@15 | 85 | |
| paul@15 | 86 | dir = split(filename)[0] |
| paul@15 | 87 | |
| paul@15 | 88 | if not exists(dir): |
| paul@15 | 89 | makedirs(dir) |
| paul@15 | 90 | |
| paul@15 | 91 | f = open(filename, "w") |
| paul@15 | 92 | try: |
| paul@15 | 93 | for item in freebusy: |
| paul@15 | 94 | f.write("\t".join(item) + "\n") |
| paul@15 | 95 | finally: |
| paul@15 | 96 | f.close() |
| paul@15 | 97 | |
| paul@15 | 98 | return True |
| paul@15 | 99 | |
| paul@2 | 100 | # vim: tabstop=4 expandtab shiftwidth=4 |
