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use serde::{Deserialize, Serialize};
use typed_builder::TypedBuilder;
/// A single record stored inside of our local database
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize, TypedBuilder)]
pub struct Record {
/// a unique ID
#[builder(default = crate::utils::uuid_v7().as_simple().to_string())]
pub id: String,
/// The unique ID of the host.
// TODO(ellie): Optimize the storage here. We use a bunch of IDs, and currently store
// as strings. I would rather avoid normalization, so store as UUID binary instead of
// encoding to a string and wasting much more storage.
pub host: String,
/// The ID of the parent entry
// A store is technically just a double linked list
// We can do some cheating with the timestamps, but should not rely upon them.
// Clocks are tricksy.
#[builder(default)]
pub parent: Option<String>,
/// The creation time in nanoseconds since unix epoch
#[builder(default = chrono::Utc::now().timestamp_nanos() as u64)]
pub timestamp: u64,
/// The version the data in the entry conforms to
// However we want to track versions for this tag, eg v2
pub version: String,
/// The type of data we are storing here. Eg, "history"
pub tag: String,
/// Some data. This can be anything you wish to store. Use the tag field to know how to handle it.
pub data: Vec<u8>,
}
impl Record {
pub fn new_child(&self, data: Vec<u8>) -> Record {
Record::builder()
.host(self.host.clone())
.version(self.version.clone())
.parent(Some(self.id.clone()))
.tag(self.tag.clone())
.data(data)
.build()
}
}
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