stix-rs 0.1.0

STIX 2.1 types and helpers for Rust
Documentation 
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use chrono::{DateTime, Utc};
use serde::{Deserialize, Serialize};

use crate::common::{CommonProperties, StixObject};

/// Incident SDO (STIX 2.1 minimal stub)
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
#[serde(rename_all = "snake_case")]
pub struct Incident {
    #[serde(flatten)]
    pub common: CommonProperties,

    pub name: String,
    pub description: Option<String>,
}

impl Incident {
    pub fn builder() -> IncidentBuilder {
        IncidentBuilder::default()
    }
}

#[derive(Debug, Default)]
pub struct IncidentBuilder {
    name: Option<String>,
    description: Option<String>,
    created_by_ref: Option<String>,
}

impl IncidentBuilder {
    pub fn name(mut self, n: impl Into<String>) -> Self {
        self.name = Some(n.into());
        self
    }
    pub fn description(mut self, d: impl Into<String>) -> Self {
        self.description = Some(d.into());
        self
    }
    pub fn created_by_ref(mut self, r: impl Into<String>) -> Self {
        self.created_by_ref = Some(r.into());
        self
    }

    pub fn build(self) -> Result<Incident, super::BuilderError> {
        let name = self.name.ok_or(super::BuilderError::MissingField("name"))?;
        let common = CommonProperties::new("incident", self.created_by_ref);
        Ok(Incident {
            common,
            name,
            description: self.description,
        })
    }
}

impl StixObject for Incident {
    fn id(&self) -> &str {
        &self.common.id
    }
    fn type_(&self) -> &str {
        &self.common.r#type
    }
    fn created(&self) -> DateTime<Utc> {
        self.common.created
    }
}

impl From<Incident> for crate::StixObjectEnum {
    fn from(i: Incident) -> Self {
        crate::StixObjectEnum::Incident(i)
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use serde_json::Value;

    #[test]
    fn incident_builder_and_serialize() {
        let inc = Incident::builder()
            .name("Test Incident")
            .description("desc")
            .build()
            .unwrap();
        let s = serde_json::to_string(&inc).unwrap();
        let v: Value = serde_json::from_str(&s).unwrap();
        assert_eq!(v.get("type").and_then(Value::as_str).unwrap(), "incident");
        assert_eq!(
            v.get("name").and_then(Value::as_str).unwrap(),
            "Test Incident"
        );
    }
}