magmaus3/continuwuity
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refactor: better error handling

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This commit is contained in:
timokoesters 2020-06-09 15:13:17 +02:00
parent 80935c5826
commit 2368a90584
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GPG key ID: 24DA7517711A2BA4
15 changed files with 2062 additions and 1909 deletions
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26
src/database/globals.rs
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@ -1,4 +1,4 @@
use crate::{utils, Result};
use crate::{utils, Error, Result};
pub const COUNTER: &str = "c";
@ -11,17 +11,16 @@ pub struct Globals {
}
impl Globals {
pub fn load(globals: sled::Tree, config: &rocket::Config) -> Self {
pub fn load(globals: sled::Tree, config: &rocket::Config) -> Result<Self> {
let keypair = ruma::signatures::Ed25519KeyPair::new(
&*globals
.update_and_fetch("keypair", utils::generate_keypair)
.unwrap()
.unwrap(),
.update_and_fetch("keypair", utils::generate_keypair)?
.expect("utils::generate_keypair always returns Some"),
"key1".to_owned(),
)
.unwrap();
.map_err(|_| Error::BadDatabase("Private or public keys are invalid."))?;
Self {
Ok(Self {
globals,
keypair,
reqwest_client: reqwest::Client::new(),
@ -30,7 +29,7 @@ impl Globals {
.unwrap_or("localhost")
.to_owned(),
registration_disabled: config.get_bool("registration_disabled").unwrap_or(false),
}
})
}
/// Returns this server's keypair.
@ -49,14 +48,15 @@ impl Globals {
.globals
.update_and_fetch(COUNTER, utils::increment)?
.expect("utils::increment will always put in a value"),
))
)
.map_err(|_| Error::BadDatabase("Count has invalid bytes."))?)
}
pub fn current_count(&self) -> Result<u64> {
Ok(self
.globals
.get(COUNTER)?
.map_or(0_u64, |bytes| utils::u64_from_bytes(&bytes)))
self.globals.get(COUNTER)?.map_or(Ok(0_u64), |bytes| {
Ok(utils::u64_from_bytes(&bytes)
.map_err(|_| Error::BadDatabase("Count has invalid bytes."))?)
})
}
pub fn server_name(&self) -> &str {