pub const NSID_GRAPH_FOLLOW: &str = "app.bsky.graph.follow";
#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct GraphFollow {
pub created_at: crate::syntax::Datetime,
pub subject: crate::syntax::Did,
#[serde(default, skip_serializing_if = "Option::is_none")]
pub via: Option<crate::api::com::atproto::RepoStrongRef>,
#[serde(flatten)]
pub extra: std::collections::HashMap<String, serde_json::Value>,
#[serde(skip)]
pub extra_cbor: Vec<(String, Vec<u8>)>,
}
impl GraphFollow {
pub fn to_cbor(&self) -> Result<Vec<u8>, crate::cbor::CborError> {
let mut buf = Vec::new();
self.encode_cbor(&mut buf)?;
Ok(buf)
}
pub fn encode_cbor(&self, buf: &mut Vec<u8>) -> Result<(), crate::cbor::CborError> {
if self.extra_cbor.is_empty() {
let mut count = 2u64;
if self.via.is_some() {
count += 1;
}
crate::cbor::Encoder::new(&mut *buf).encode_map_header(count)?;
if self.via.is_some() {
crate::cbor::Encoder::new(&mut *buf).encode_text("via")?;
if let Some(ref val) = self.via {
val.encode_cbor(buf)?;
}
}
crate::cbor::Encoder::new(&mut *buf).encode_text("subject")?;
crate::cbor::Encoder::new(&mut *buf).encode_text(self.subject.as_str())?;
crate::cbor::Encoder::new(&mut *buf).encode_text("createdAt")?;
crate::cbor::Encoder::new(&mut *buf).encode_text(self.created_at.as_str())?;
} else {
let mut pairs: Vec<(&str, Vec<u8>)> = Vec::new();
if self.via.is_some() {
let mut vbuf = Vec::new();
if let Some(ref val) = self.via {
val.encode_cbor(&mut vbuf)?;
}
pairs.push(("via", vbuf));
}
{
let mut vbuf = Vec::new();
crate::cbor::Encoder::new(&mut vbuf).encode_text(self.subject.as_str())?;
pairs.push(("subject", vbuf));
}
{
let mut vbuf = Vec::new();
crate::cbor::Encoder::new(&mut vbuf).encode_text(self.created_at.as_str())?;
pairs.push(("createdAt", vbuf));
}
for (k, v) in &self.extra_cbor {
pairs.push((k.as_str(), v.clone()));
}
pairs.sort_by(|a, b| crate::cbor::cbor_key_cmp(a.0, b.0));
crate::cbor::Encoder::new(&mut *buf).encode_map_header(pairs.len() as u64)?;
for (k, v) in &pairs {
crate::cbor::Encoder::new(&mut *buf).encode_text(k)?;
buf.extend_from_slice(v);
}
}
Ok(())
}
pub fn from_cbor(data: &[u8]) -> Result<Self, crate::cbor::CborError> {
let mut decoder = crate::cbor::Decoder::new(data);
let result = Self::decode_cbor(&mut decoder)?;
if !decoder.is_empty() {
return Err(crate::cbor::CborError::InvalidCbor("trailing data".into()));
}
Ok(result)
}
pub fn decode_cbor(decoder: &mut crate::cbor::Decoder) -> Result<Self, crate::cbor::CborError> {
let val = decoder.decode()?;
let entries = match val {
crate::cbor::Value::Map(entries) => entries,
_ => return Err(crate::cbor::CborError::InvalidCbor("expected map".into())),
};
let mut field_via: Option<crate::api::com::atproto::RepoStrongRef> = None;
let mut field_subject: Option<crate::syntax::Did> = None;
let mut field_created_at: Option<crate::syntax::Datetime> = None;
let mut extra_cbor: Vec<(String, Vec<u8>)> = Vec::new();
for (key, value) in entries {
match key {
"via" => {
let raw = crate::cbor::encode_value(&value)?;
let mut dec = crate::cbor::Decoder::new(&raw);
field_via = Some(crate::api::com::atproto::RepoStrongRef::decode_cbor(
&mut dec,
)?);
}
"subject" => {
if let crate::cbor::Value::Text(s) = value {
field_subject = Some(
crate::syntax::Did::try_from(s)
.map_err(|e| crate::cbor::CborError::InvalidCbor(e.to_string()))?,
);
} else {
return Err(crate::cbor::CborError::InvalidCbor("expected text".into()));
}
}
"createdAt" => {
if let crate::cbor::Value::Text(s) = value {
field_created_at = Some(
crate::syntax::Datetime::try_from(s)
.map_err(|e| crate::cbor::CborError::InvalidCbor(e.to_string()))?,
);
} else {
return Err(crate::cbor::CborError::InvalidCbor("expected text".into()));
}
}
_ => {
let raw = crate::cbor::encode_value(&value)?;
extra_cbor.push((key.to_string(), raw));
}
}
}
Ok(GraphFollow {
via: field_via,
subject: field_subject.ok_or_else(|| {
crate::cbor::CborError::InvalidCbor("missing required field 'subject'".into())
})?,
created_at: field_created_at.ok_or_else(|| {
crate::cbor::CborError::InvalidCbor("missing required field 'createdAt'".into())
})?,
extra: std::collections::HashMap::new(),
extra_cbor,
})
}
}