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