forked from robertoaloi/erlang-web
-
Notifications
You must be signed in to change notification settings - Fork 0
/
wtype_time.erl
135 lines (119 loc) · 3.9 KB
/
wtype_time.erl
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
%% The contents of this file are subject to the Erlang Web Public License,
%% Version 1.0, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Web Public License along with this software. If not, it can be
%% retrieved via the world wide web at http://www.erlang-consulting.com/.
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
%%
%% The Initial Developer of the Original Code is Erlang Training & Consulting
%% Ltd. Portions created by Erlang Training & Consulting Ltd are Copyright 2008,
%% Erlang Training & Consulting Ltd. All Rights Reserved.
%%%-------------------------------------------------------------------
%%% @author Michal Zajda <michal.ptaszek@erlang-consulting.com>
%%% @doc
%%% @end
%%%-------------------------------------------------------------------
-module(wtype_time).
-behaviour(wtype).
-include_lib("xmerl/include/xmerl.hrl").
-export([handle_call/2, validate/1]).
-export([get_time/2, format/2, is_valid_time/1]).
-export([check_min/2, check_max/2]).
handle_call(Format, #xmlText{value = Time}) ->
#xmlText{value = handle_call(Format, Time)};
handle_call(Format, Time) ->
format(Format, Time).
validate({Types, undefined}) ->
case wpart_valid:is_private(Types) of
true ->
{ok, undefined};
false ->
case lists:keysearch(optional, 1, Types) of
{value, {optional, Default}} ->
{ok, Default};
_ ->
{error, {empty_input, undefined}}
end
end;
validate({Options,Input}) ->
case wpart_valid:is_private(Options) of
true ->
{ok, Input};
_ ->
Format = proplists:get_value(format, Options, "HH:NN:SS"),
case convert_input(Format, Input) of
{error, bad_format} ->
{error, {bad_time_format, Input}};
Time ->
case is_valid_time(Time) of
true ->
case check_min(Options, Time) of
{ok, Time} ->
check_max(Options, Time);
ErrorMin ->
ErrorMin
end;
false ->
{error, {not_valid_time, Time}}
end
end
end.
check_min(Options, Time) ->
case proplists:get_value(min, Options) of
undefined ->
{ok, Time};
Min when Time > Min ->
{ok, Time};
_ ->
{error, {bad_range, Time}}
end.
check_max(Options, Time) ->
case proplists:get_value(max, Options) of
undefined ->
{ok, Time};
Max when Time < Max ->
{ok, Time};
_ ->
{error, {bad_range, Time}}
end.
%%====================================================================
%% Internal functions
%%====================================================================
-spec(convert_input/2 :: (string(), string()) ->
{error, bad_format} | {integer(), integer(), integer()}).
convert_input(Format, Input) ->
case wpart_time_str:parse_input(sanitize(Format), Input) of
{error, bad_format} ->
{error, bad_format};
Values ->
{proplists:get_value(hour, Values, 0),
proplists:get_value(minute, Values, 0),
proplists:get_value(second, Values, 0)}
end.
is_valid_time({H1,H2,H3}) ->
Hour = if (H1 >= 0) and (H1 < 24) -> true;
true -> false
end,
Minute = if (H2 >= 0) and (H2 < 60) -> true;
true -> false
end,
Sec = if (H3 >= 0) and (H3 < 60) -> true;
true -> false
end,
lists:all(fun(X) -> X end, [Hour,Minute,Sec]);
is_valid_time(_) -> false.
get_time(Format, Time) ->
format(Format, Time).
format(Format, Time) ->
wpart_time_str:format(sanitize(Format), {unused, Time}).
-spec(sanitize/1 :: (string()) -> string()).
sanitize("MM" ++ R) ->
"NN" ++ sanitize(R);
sanitize([H|T]) ->
[H|sanitize(T)];
sanitize([]) ->
[].