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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186

use super::SpecVersion;
use crate::event::{AttributesV10, ExtensionValue};
use chrono::{DateTime, FixedOffset};

/// Trait to get [CloudEvents Context attributes](https://github.com/cloudevents/spec/blob/master/spec.md#context-attributes).
pub trait AttributesReader {
    /// Get the [id](https://github.com/cloudevents/spec/blob/master/spec.md#id).
    fn get_id(&self) -> &str;
    /// Get the [source](https://github.com/cloudevents/spec/blob/master/spec.md#source-1).
    fn get_source(&self) -> &str;
    /// Get the [specversion](https://github.com/cloudevents/spec/blob/master/spec.md#specversion).
    fn get_specversion(&self) -> SpecVersion;
    /// Get the [type](https://github.com/cloudevents/spec/blob/master/spec.md#type).
    fn get_type(&self) -> &str;
    /// Get the [datacontenttype](https://github.com/cloudevents/spec/blob/master/spec.md#datacontenttype).
    fn get_datacontenttype(&self) -> Option<&str>;
    /// Get the [dataschema](https://github.com/cloudevents/spec/blob/master/spec.md#dataschema).
    fn get_dataschema(&self) -> Option<&str>;
    /// Get the [subject](https://github.com/cloudevents/spec/blob/master/spec.md#subject).
    fn get_subject(&self) -> Option<&str>;
    /// Get the [time](https://github.com/cloudevents/spec/blob/master/spec.md#time).
    fn get_time(&self) -> Option<&DateTime<FixedOffset>>;
    /// Get the [extension](https://github.com/cloudevents/spec/blob/master/spec.md#extension-context-attributes) named `extension_name`
    fn get_extension(&self, extension_name: &str) -> Option<&ExtensionValue>;
    /// Get all the [extensions](https://github.com/cloudevents/spec/blob/master/spec.md#extension-context-attributes)
    fn get_extensions(&self) -> Vec<(&str, &ExtensionValue)>;
}

pub trait AttributesWriter {
    fn set_id(&mut self, id: impl Into<String>);
    fn set_source(&mut self, source: impl Into<String>);
    fn set_type(&mut self, ty: impl Into<String>);
    fn set_subject(&mut self, subject: Option<impl Into<String>>);
    fn set_time(&mut self, time: Option<impl Into<DateTime<FixedOffset>>>);
    fn set_extension<'name, 'event: 'name>(
        &'event mut self,
        extension_name: &'name str,
        extension_value: impl Into<ExtensionValue>,
    );
    fn remove_extension<'name, 'event: 'name>(
        &'event mut self,
        extension_name: &'name str,
    ) -> Option<ExtensionValue>;
}

pub(crate) trait DataAttributesWriter {
    fn set_datacontenttype(
        &mut self,
        datacontenttype: Option<impl Into<String>>,
    );
    fn set_dataschema(&mut self, dataschema: Option<impl Into<String>>);
}

pub enum Attributes {
    V10(AttributesV10),
}

impl AttributesReader for Attributes {
    fn get_id(&self) -> &str {
        match self {
            Attributes::V10(a) => a.get_id(),
        }
    }

    fn get_source(&self) -> &str {
        match self {
            Attributes::V10(a) => a.get_source(),
        }
    }

    fn get_specversion(&self) -> SpecVersion {
        match self {
            Attributes::V10(a) => a.get_specversion(),
        }
    }

    fn get_type(&self) -> &str {
        match self {
            Attributes::V10(a) => a.get_type(),
        }
    }

    fn get_datacontenttype(&self) -> Option<&str> {
        match self {
            Attributes::V10(a) => a.get_datacontenttype(),
        }
    }

    fn get_dataschema(&self) -> Option<&str> {
        match self {
            Attributes::V10(a) => a.get_dataschema(),
        }
    }

    fn get_subject(&self) -> Option<&str> {
        match self {
            Attributes::V10(a) => a.get_subject(),
        }
    }

    fn get_time(&self) -> Option<&DateTime<FixedOffset>> {
        match self {
            Attributes::V10(a) => a.get_time(),
        }
    }

    fn get_extension(&self, extension_name: &str) -> Option<&ExtensionValue> {
        match self {
            Attributes::V10(a) => a.get_extension(extension_name),
        }
    }

    fn get_extensions(&self) -> Vec<(&str, &ExtensionValue)> {
        match self {
            Attributes::V10(a) => a.get_extensions(),
        }
    }
}

impl AttributesWriter for Attributes {
    fn set_id(&mut self, id: impl Into<String>) {
        match self {
            Attributes::V10(a) => a.set_id(id),
        }
    }

    fn set_source(&mut self, source: impl Into<String>) {
        match self {
            Attributes::V10(a) => a.set_source(source),
        }
    }

    fn set_type(&mut self, ty: impl Into<String>) {
        match self {
            Attributes::V10(a) => a.set_type(ty),
        }
    }

    fn set_subject(&mut self, subject: Option<impl Into<String>>) {
        match self {
            Attributes::V10(a) => a.set_subject(subject),
        }
    }

    fn set_time(&mut self, time: Option<impl Into<DateTime<FixedOffset>>>) {
        match self {
            Attributes::V10(a) => a.set_time(time),
        }
    }

    fn set_extension<'name, 'event: 'name>(
        &'event mut self,
        extension_name: &'name str,
        extension_value: impl Into<ExtensionValue>,
    ) {
        match self {
            Attributes::V10(a) => a.set_extension(extension_name, extension_value),
        }
    }

    fn remove_extension<'name, 'event: 'name>(
        &'event mut self,
        extension_name: &'name str,
    ) -> Option<ExtensionValue> {
        match self {
            Attributes::V10(a) => a.remove_extension(extension_name),
        }
    }
}

impl DataAttributesWriter for Attributes {
    fn set_datacontenttype(
        &mut self,
        datacontenttype: Option<impl Into<String>>,
    ) {
        match self {
            Attributes::V10(a) => a.set_datacontenttype(datacontenttype),
        }
    }

    fn set_dataschema(&mut self, dataschema: Option<impl Into<String>>) {
        match self {
            Attributes::V10(a) => a.set_dataschema(dataschema),
        }
    }
}