1 files changed, 50 insertions, 0 deletions
diff --git a/vk/platform.py b/vk/platform.py
new file mode 100644
index 0000000..4a9d8b6
--- /dev/null
+++ b/vk/platform.py
@@ -0,0 +1,50 @@
+# Copyright 2016 Egor Tensin <Egor.Tensin@gmail.com>
+# This file is licensed under the terms of the MIT License.
+# See LICENSE.txt for details.
+
+from enum import Enum
+import re
+
+class Platform(Enum):
+    MOBILE = 1
+    IPHONE = 2
+    IPAD = 3
+    ANDROID = 4
+    WINDOWS_PHONE = 5
+    WINDOWS8 = 6
+    WEB = 7
+
+    @staticmethod
+    def from_string(s):
+        return Platform(int(s))
+
+    def __str__(self):
+        return str(self.value)
+
+    @staticmethod
+    def _uppercase_first_letter(s):
+        m = re.search(r'\w', s)
+        if m is None:
+            return s
+        return s[:m.start()] + m.group().upper() + s[m.end():]
+
+    def get_description_for_header(self):
+        return self._uppercase_first_letter(_PLATFORM_DESCRIPTIONS[self])
+
+    def get_description_for_sentence(self):
+        s = _PLATFORM_DESCRIPTIONS[self]
+        s = s.replace('unrecognized', 'an unrecognized')
+        return 'the ' + s
+
+    def get_description_for_sentence_beginning(self):
+        return self._uppercase_first_letter(self.get_description_for_sentence())
+
+_PLATFORM_DESCRIPTIONS = {
+    Platform.MOBILE: '"mobile" web version (or unrecognized mobile app)',
+    Platform.IPHONE: 'official iPhone app',
+    Platform.IPAD: 'official iPad app',
+    Platform.ANDROID: 'official Android app',
+    Platform.WINDOWS_PHONE: 'official Windows Phone app',
+    Platform.WINDOWS8: 'official Windows 8 app',
+    Platform.WEB: 'web version (or unrecognized app)'
+}