107 lines
2.9 KiB
Rust
107 lines
2.9 KiB
Rust
use chrono::{DateTime, Utc};
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use k_ap::NoteType;
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use k_ap::AS_PUBLIC;
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use serde::{Deserialize, Serialize};
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use url::Url;
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const STANDARD_NOTE_FIELDS: &[&str] = &[
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"type",
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"id",
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"attributedTo",
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"content",
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"published",
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"to",
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"cc",
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"inReplyTo",
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"sensitive",
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"summary",
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"tag",
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"url",
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"@context",
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"mediaType",
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];
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pub fn extract_extensions(obj: &serde_json::Value) -> Option<serde_json::Value> {
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let extensions: serde_json::Map<String, serde_json::Value> = obj
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.as_object()?
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.iter()
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.filter(|(k, _)| !STANDARD_NOTE_FIELDS.contains(&k.as_str()))
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.map(|(k, v)| (k.clone(), v.clone()))
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.collect();
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if extensions.is_empty() {
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None
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} else {
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Some(serde_json::Value::Object(extensions))
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}
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}
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/// AP Note representing a Thought.
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#[derive(Debug, Clone, Serialize, Deserialize)]
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#[serde(rename_all = "camelCase")]
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pub struct ThoughtNote {
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#[serde(rename = "type")]
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pub kind: NoteType,
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pub id: Url,
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#[serde(skip_serializing_if = "Option::is_none", default)]
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pub url: Option<Url>,
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pub attributed_to: Url,
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pub content: String,
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pub published: DateTime<Utc>,
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#[serde(skip_serializing_if = "Vec::is_empty", default)]
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pub to: Vec<String>,
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#[serde(skip_serializing_if = "Vec::is_empty", default)]
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pub cc: Vec<String>,
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#[serde(skip_serializing_if = "Option::is_none")]
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pub in_reply_to: Option<Url>,
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#[serde(default)]
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pub sensitive: bool,
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#[serde(skip_serializing_if = "Option::is_none")]
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pub summary: Option<String>,
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#[serde(skip_serializing_if = "Vec::is_empty", default)]
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pub tag: Vec<serde_json::Value>,
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}
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pub struct ThoughtNoteInput {
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pub id: Url,
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pub actor_url: Url,
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pub content: String,
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pub published: DateTime<Utc>,
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pub in_reply_to: Option<Url>,
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pub sensitive: bool,
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pub summary: Option<String>,
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pub followers_url: Url,
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}
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impl ThoughtNote {
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/// Returns `(note, extensions)` if `value` is a Note object, `None` otherwise.
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pub fn try_from_ap(value: serde_json::Value) -> Option<(Self, Option<serde_json::Value>)> {
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if value.get("type").and_then(|v| v.as_str()) != Some("Note") {
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return None;
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}
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let extensions = extract_extensions(&value);
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serde_json::from_value(value)
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.ok()
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.map(|note| (note, extensions))
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}
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pub fn new_public(p: ThoughtNoteInput) -> Self {
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Self {
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kind: Default::default(),
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url: Some(p.id.clone()),
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id: p.id,
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attributed_to: p.actor_url,
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content: p.content,
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published: p.published,
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to: vec![AS_PUBLIC.to_string()],
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cc: vec![p.followers_url.to_string()],
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in_reply_to: p.in_reply_to,
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sensitive: p.sensitive,
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summary: p.summary,
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tag: Vec::new(),
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}
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}
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}
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#[cfg(test)]
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mod tests;
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