oca_bundle/state/oca/overlay/
information.rs

1use crate::state::{attribute::Attribute, oca::Overlay};
2use isolang::Language;
3use oca_ast::ast::OverlayType;
4use said::{sad::SerializationFormats, sad::SAD};
5use serde::{ser::SerializeMap, Deserialize, Serialize, Serializer};
6use std::any::Any;
7use std::collections::HashMap;
8
9pub trait Information {
10    fn set_information(&mut self, l: Language, information: String);
11}
12
13impl Information for Attribute {
14    fn set_information(&mut self, l: Language, information: String) {
15        if let Some(informations) = &mut self.informations {
16            informations.insert(l, information);
17        } else {
18            let mut informations = HashMap::new();
19            informations.insert(l, information);
20            self.informations = Some(informations);
21        }
22    }
23}
24
25pub fn serialize_attributes<S>(
26    attributes: &HashMap<String, String>,
27    s: S,
28) -> Result<S::Ok, S::Error>
29where
30    S: Serializer,
31{
32    use std::collections::BTreeMap;
33
34    let mut ser = s.serialize_map(Some(attributes.len()))?;
35    let sorted_attributes: BTreeMap<_, _> = attributes.iter().collect();
36    for (k, v) in sorted_attributes {
37        ser.serialize_entry(k, v)?;
38    }
39    ser.end()
40}
41
42#[derive(SAD, Serialize, Deserialize, Debug, Clone)]
43pub struct InformationOverlay {
44    #[said]
45    #[serde(rename = "d")]
46    said: Option<said::SelfAddressingIdentifier>,
47    language: Language,
48    #[serde(rename = "type")]
49    overlay_type: OverlayType,
50    capture_base: Option<said::SelfAddressingIdentifier>,
51    #[serde(serialize_with = "serialize_attributes")]
52    pub attribute_information: HashMap<String, String>,
53}
54
55impl Overlay for InformationOverlay {
56    fn as_any(&self) -> &dyn Any {
57        self
58    }
59    fn capture_base(&self) -> &Option<said::SelfAddressingIdentifier> {
60        &self.capture_base
61    }
62    fn set_capture_base(&mut self, said: &said::SelfAddressingIdentifier) {
63        self.capture_base = Some(said.clone());
64    }
65    fn overlay_type(&self) -> &OverlayType {
66        &self.overlay_type
67    }
68    fn said(&self) -> &Option<said::SelfAddressingIdentifier> {
69        &self.said
70    }
71    fn language(&self) -> Option<&Language> {
72        Some(&self.language)
73    }
74    fn attributes(&self) -> Vec<&String> {
75        self.attribute_information.keys().collect::<Vec<&String>>()
76    }
77
78    fn add(&mut self, attribute: &Attribute) {
79        if let Some(informations) = &attribute.informations {
80            if let Some(value) = informations.get(&self.language) {
81                self.attribute_information
82                    .insert(attribute.name.clone(), value.to_string());
83            }
84        }
85    }
86}
87impl InformationOverlay {
88    pub fn new(lang: Language) -> InformationOverlay {
89        InformationOverlay {
90            capture_base: None,
91            said: None,
92            overlay_type: OverlayType::Information,
93            language: lang,
94            attribute_information: HashMap::new(),
95        }
96    }
97}