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user_preferences: Completed impl of Preference for UserPreferences 

from_prefstring_bytes and into_prefstring_bytes  are now implemented.

Signed-off-by: Ben Aaron Goldberg <ben@benaaron.dev>
This commit is contained in:
Ben Aaron Goldberg 2021-10-22 00:35:06 -04:00
parent ad34aa9a4c
commit 51d5ee9a2e
1 changed files with 15 additions and 2 deletions
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17
src/user_preferences/mod.rs
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@ -8,6 +8,7 @@ pub mod v0;
mod error;
pub use error::ParseError;
use crate::user_preferences::v0::UserPreferencesV0;
use crate::{InstanceSettings, Pronoun, WeightedTable};
use data_encoding::BASE32_NOPAD;
@ -85,10 +86,22 @@ impl Preference for UserPreferences {
}
fn from_prefstring_bytes(bytes: &[u8]) -> Result<Self, ParseError> where Self: Sized {
todo!()
let version_byte = bytes.get(0).ok_or(ParseError::ZeroLengthPrefstring)?;
let version = version_byte >> 3;
let varient = version_byte & 0b111;
match (version, varient) {
(0, 0) => UserPreferencesV0::from_prefstring_bytes(bytes).map(|prefs| UserPreferences::V0(prefs)),
_ => Err(ParseError::VersionMismatch {
expected_version: 0..1,
expected_variant: 0..1,
actual_version_byte: *version_byte,
})
}
}
fn into_prefstring_bytes(&self) -> Vec<u8> {
todo!()
match self {
UserPreferences::V0(pref) => pref,
}.into_prefstring_bytes()
}
}