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jmap_mail_types/
identity.rs

1//! RFC 8621 §6 Identity object.
2//!
3//! Provides [`Identity`] — stores information about an email address or domain
4//! the user may send from.
5
6use crate::email::EmailAddress;
7use jmap_types::Id;
8use serde::{Deserialize, Serialize};
9
10/// An RFC 8621 §6 Identity object.
11///
12/// Stores information about an email address or domain the user may send from.
13#[non_exhaustive]
14#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
15#[serde(rename_all = "camelCase")]
16pub struct Identity {
17    /// The id of the Identity (immutable; server-set).
18    pub id: Id,
19    /// The "From" name the client SHOULD use when creating a new Email
20    /// from this Identity.  Defaults to `""`.
21    pub name: String,
22    /// The "From" email address the client MUST use (immutable).
23    pub email: String,
24    /// The Reply-To value the client SHOULD set.  `null` if not set.
25    #[serde(skip_serializing_if = "Option::is_none")]
26    pub reply_to: Option<Vec<EmailAddress>>,
27    /// The Bcc value the client SHOULD set.  `null` if not set.
28    #[serde(skip_serializing_if = "Option::is_none")]
29    pub bcc: Option<Vec<EmailAddress>>,
30    /// Plaintext signature.  Defaults to `""`.
31    pub text_signature: String,
32    /// HTML snippet signature.  Defaults to `""`.
33    pub html_signature: String,
34    /// Whether the user may delete this Identity (server-set).
35    pub may_delete: bool,
36    /// Catch-all for vendor / site / private extension fields not covered
37    /// by the typed fields above. Preserves unknown fields across
38    /// deserialize/serialize round-trip per workspace extras-preservation
39    /// policy (see workspace AGENTS.md).
40    #[serde(flatten, default, skip_serializing_if = "serde_json::Map::is_empty")]
41    pub extra: serde_json::Map<String, serde_json::Value>,
42}
43
44impl Identity {
45    /// Construct an [`Identity`] from its three identifying fields.
46    ///
47    /// `name`, `text_signature`, and `html_signature` default to `""`.
48    /// `reply_to` and `bcc` default to `None`.
49    pub fn new(id: Id, email: impl Into<String>, may_delete: bool) -> Self {
50        Self {
51            id,
52            email: email.into(),
53            may_delete,
54            name: String::new(),
55            reply_to: None,
56            bcc: None,
57            text_signature: String::new(),
58            html_signature: String::new(),
59            extra: serde_json::Map::new(),
60        }
61    }
62}
63
64#[cfg(test)]
65mod tests {
66    use super::*;
67    use serde_json::json;
68
69    // ── Extras-preservation policy tests (JMAP-lbdy.2) ───────────────────
70
71    /// `Identity.extra` captures vendor fields and preserves them across
72    /// deserialize/serialize round-trip.
73    #[test]
74    fn identity_preserves_vendor_extras() {
75        let raw = json!({
76            "id": "i1",
77            "name": "Alice",
78            "email": "alice@example.com",
79            "textSignature": "-- Alice",
80            "htmlSignature": "<p>-- Alice</p>",
81            "mayDelete": true,
82            "acmeCorpDepartment": "engineering"
83        });
84        let id: Identity = serde_json::from_value(raw).unwrap();
85        assert_eq!(
86            id.extra.get("acmeCorpDepartment").and_then(|v| v.as_str()),
87            Some("engineering")
88        );
89        let back = serde_json::to_value(&id).unwrap();
90        assert_eq!(back["acmeCorpDepartment"], "engineering");
91    }
92}