bullrs 0.0.2

A BullMQ compatible Job Queue based on Redis
Documentation 
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
157
158
159
160
161
162

use chrono::{DateTime, Utc};
use serde::{self, Deserialize, Deserializer, Serializer};
use std::time::Duration;

/// De/serialize `Option<Duration>` as milliseconds:
/// ```
/// use serde::{Serialize, Deserialize};
/// use std::time::Duration;
///
/// #[derive(Serialize, Deserialize)]
/// struct MyStruct {
///     #[serde(with = "bullrs::milliserde::duration_millis_option")]
///     dur: Option<Duration>,
/// }
/// ```
pub mod duration_millis_option {
    use std::time::Duration;

    use serde::{self, Deserialize, Deserializer, Serializer, ser};

    /// Serialize `Option<Duration>` as milliseconds via serde field attribute.
    /// `#[serde(deserialize_with = "bullrs::milliserde::duration_millis_option::serialize")]`
    pub fn serialize<S>(duration: &Option<Duration>, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        match duration {
            Some(d) => {
                if d.as_millis() > u64::MAX as u128 {
                    return Err(<S::Error as ser::Error>::custom(
                        "Duration was too long, causing u64 millisecond overflow",
                    ));
                }
                serializer.serialize_u64(d.as_millis() as u64)
            }
            None => serializer.serialize_none(),
        }
    }

    /// Deserialize `Option<Duration>` as milliseconds via serde field attribute.
    /// `#[serde(deserialize_with = "bullrs::milliserde::duration_millis_option::deserialize")]`
    pub fn deserialize<'de, D>(deserializer: D) -> Result<Option<Duration>, D::Error>
    where
        D: Deserializer<'de>,
    {
        let opt = Option::<u64>::deserialize(deserializer)?;
        Ok(opt.map(Duration::from_millis))
    }
}

/// De/serialize `Duration` as milliseconds:
/// ```
/// use serde::{Serialize, Deserialize};
/// use std::time::Duration;
///
/// #[derive(Serialize, Deserialize)]
/// struct MyStruct {
///     #[serde(with = "bullrs::milliserde::duration_millis")]
///     dur: Duration,
/// }
/// ```
pub mod duration_millis {
    use super::*;

    /// Serialize `Duration` as milliseconds:
    /// `#[serde(with = "bullrs::milliserde::duration_millis::serialize")]`
    pub fn serialize<S>(duration: &Duration, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        serializer.serialize_u64(duration.as_millis() as u64)
    }

    /// Deserialize `Duration` as milliseconds:
    /// `#[serde(with = "bullrs::milliserde::duration_millis::deserialize")]`
    pub fn deserialize<'de, D>(deserializer: D) -> Result<Duration, D::Error>
    where
        D: Deserializer<'de>,
    {
        let millis = u64::deserialize(deserializer)?;
        Ok(Duration::from_millis(millis))
    }
}

/// De/serialize `DateTime<Utc>` as milliseconds:
/// ```
/// use serde::{Serialize, Deserialize};
/// use chrono::{DateTime, Utc};
///
/// #[derive(Serialize, Deserialize)]
/// struct MyStruct {
///     #[serde(with = "bullrs::milliserde::timestamp_millis")]
///     ts: DateTime<Utc>,
/// }
/// ```
pub mod timestamp_millis {
    use super::*;

    /// Serialize `DateTime<Utc>` as milliseconds:
    /// `#[serde(with = "bullrs::milliserde::timestamp_millis::serialize")]`
    pub fn serialize<S>(timestamp: &DateTime<Utc>, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        serializer.serialize_i64(timestamp.timestamp_millis())
    }

    /// Deserialize `DateTime<Utc>` as milliseconds:
    /// `#[serde(with = "bullrs::milliserde::timestamp_millis::deserialize")]`
    pub fn deserialize<'de, D>(deserializer: D) -> Result<DateTime<Utc>, D::Error>
    where
        D: Deserializer<'de>,
    {
        let millis = i64::deserialize(deserializer)?;
        DateTime::from_timestamp_millis(millis)
            .ok_or_else(|| serde::de::Error::custom("Invalid timestamp"))
    }
}

/// De/serialize `Option<DateTime<Utc>>` as milliseconds:
/// ```
/// use serde::{Serialize, Deserialize};
/// use chrono::{DateTime, Utc};
///
/// #[derive(Serialize, Deserialize)]
/// struct MyStruct {
///     #[serde(with = "bullrs::milliserde::timestamp_millis_option")]
///     ts: Option<DateTime<Utc>>,
/// }
/// ```
pub mod timestamp_millis_option {
    use super::*;

    /// Serialize `Option<DateTime<Utc>>` as milliseconds:
    /// `#[serde(with = "bullrs::milliserde::timestamp_millis_option::serialize")]`
    pub fn serialize<S>(timestamp: &Option<DateTime<Utc>>, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        match timestamp {
            Some(ts) => serializer.serialize_i64(ts.timestamp_millis()),
            None => serializer.serialize_none(),
        }
    }

    /// Deserialize `Option<DateTime<Utc>>` as milliseconds:
    /// `#[serde(with = "bullrs::milliserde::timestamp_millis_option::deserialize")]`
    pub fn deserialize<'de, D>(deserializer: D) -> Result<Option<DateTime<Utc>>, D::Error>
    where
        D: Deserializer<'de>,
    {
        let opt = Option::<i64>::deserialize(deserializer)?;
        match opt {
            Some(millis) => {
                let timestamp = DateTime::from_timestamp_millis(millis)
                    .ok_or_else(|| serde::de::Error::custom("Invalid timestamp"))?;
                Ok(Some(timestamp))
            }
            None => Ok(None),
        }
    }
}