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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at https://mozilla.org/MPL/2.0/.
#![allow(clippy::too_many_arguments)]
use crate::error_recording::{record_error, ErrorType};
use crate::metrics::time_unit::TimeUnit;
use crate::metrics::Metric;
use crate::metrics::MetricType;
use crate::storage::StorageManager;
use crate::util::{get_iso_time_string, local_now_with_offset};
use crate::CommonMetricData;
use crate::Glean;
use chrono::{DateTime, FixedOffset, TimeZone};
/// A datetime metric.
///
/// Used to record an absolute date and time, such as the time the user first ran
/// the application.
#[derive(Debug)]
pub struct DatetimeMetric {
meta: CommonMetricData,
time_unit: TimeUnit,
}
impl MetricType for DatetimeMetric {
fn meta(&self) -> &CommonMetricData {
&self.meta
}
fn meta_mut(&mut self) -> &mut CommonMetricData {
&mut self.meta
}
}
impl DatetimeMetric {
/// Create a new datetime metric.
pub fn new(meta: CommonMetricData, time_unit: TimeUnit) -> Self {
Self { meta, time_unit }
}
/// Public facing API for setting the metric to a date/time which
/// includes the timezone offset.
///
/// ## Arguments:
///
/// * `glean` - the Glean instance this metric belongs to.
/// * `year` - the year to set the metric to.
/// * `month` - the month to set the metric to (1-12).
/// * `day` - the day to set the metric to (1-based).
/// * `hour` - the hour to set the metric to.
/// * `minute` - the minute to set the metric to.
/// * `second` - the second to set the metric to.
/// * `nano` - the nanosecond fraction to the last whole second.
/// * `offset_seconds` - the timezone difference, in seconds, for the Eastern
/// Hemisphere. Negative seconds mean Western Hemisphere.
pub fn set_with_details(
&self,
glean: &Glean,
year: i32,
month: u32,
day: u32,
hour: u32,
minute: u32,
second: u32,
nano: u32,
offset_seconds: i32,
) {
let timezone_offset = FixedOffset::east_opt(offset_seconds);
if timezone_offset.is_none() {
let msg = format!("Invalid timezone offset {}. Not recording.", offset_seconds);
record_error(glean, &self.meta, ErrorType::InvalidValue, msg, None);
return;
};
let datetime_obj = FixedOffset::east(offset_seconds)
.ymd_opt(year, month, day)
.and_hms_nano_opt(hour, minute, second, nano);
match datetime_obj.single() {
Some(d) => self.set(glean, Some(d)),
_ => {
record_error(
glean,
&self.meta,
ErrorType::InvalidValue,
"Invalid input data. Not recording.",
None,
);
}
}
}
/// Public facing API for setting the metric to a date/time which
/// includes the timezone offset.
///
/// ## Arguments:
///
/// * `glean` - the Glean instance this metric belongs to.
/// * `value` - Some date/time value, with offset, to set the metric to.
/// If none, the current local time is used.
pub fn set(&self, glean: &Glean, value: Option<DateTime<FixedOffset>>) {
if !self.should_record(glean) {
return;
}
let value = value.unwrap_or_else(local_now_with_offset);
let value = Metric::Datetime(value, self.time_unit);
glean.storage().record(glean, &self.meta, &value)
}
/// Get the stored datetime value.
///
/// ## Arguments
///
/// * `glean` - the Glean instance this metric belongs to.
/// * `storage_name` - the storage name to look into.
///
/// ## Return value
///
/// Returns the stored value or `None` if nothing stored.
pub(crate) fn get_value(
&self,
glean: &Glean,
storage_name: &str,
) -> Option<DateTime<FixedOffset>> {
match StorageManager.snapshot_metric(
glean.storage(),
storage_name,
&self.meta().identifier(glean),
) {
Some(Metric::Datetime(dt, _)) => Some(dt),
_ => None,
}
}
/// **Test-only API (exported for FFI purposes).**
///
/// Get the currently stored value as a String.
/// The precision of this value is truncated to the `time_unit`
/// precision.
///
/// This doesn't clear the stored value.
pub fn test_get_value_as_string(&self, glean: &Glean, storage_name: &str) -> Option<String> {
match StorageManager.snapshot_metric(
glean.storage(),
storage_name,
&self.meta.identifier(glean),
) {
Some(Metric::Datetime(d, tu)) => Some(get_iso_time_string(d, tu)),
_ => None,
}
}
}