87 lines
2.3 KiB
Rust
87 lines
2.3 KiB
Rust
use crate::database::redis_conn;
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use redis::{Commands, RedisError};
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#[derive(strum::Display, serde::Serialize)]
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pub enum Stream {
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#[strum(serialize = "internal")]
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Internal,
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#[strum(serialize = "broadcast")]
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Broadcast,
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#[strum(to_string = "adminStream:{id}")]
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Admin { id: String },
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#[strum(to_string = "user:{id}")]
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User { id: String },
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#[strum(to_string = "channelStream:{id}")]
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Channel { id: String },
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#[strum(to_string = "noteStream:{id}")]
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Note { id: String },
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#[strum(serialize = "notesStream")]
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Notes,
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#[strum(to_string = "userListStream:{id}")]
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UserList { id: String },
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#[strum(to_string = "mainStream:{id}")]
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Main { id: String },
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#[strum(to_string = "driveStream:{id}")]
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Drive { id: String },
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#[strum(to_string = "antennaStream:{id}")]
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Antenna { id: String },
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#[strum(to_string = "messagingStream:{id}")]
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Messaging { id: String },
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#[strum(to_string = "messagingIndexStream:{id}")]
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MessagingIndex { id: String },
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}
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#[derive(thiserror::Error, Debug)]
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pub enum Error {
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#[error("Redis error: {0}")]
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RedisError(#[from] RedisError),
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#[error("Json serialization error: {0}")]
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JsonError(#[from] serde_json::Error),
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#[error("Value error: {0}")]
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ValueError(String),
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}
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pub fn publish(
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channel: &Stream,
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kind: Option<&str>,
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value: Option<serde_json::Value>,
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) -> Result<(), Error> {
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#[derive(serde::Serialize)]
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struct Message {
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r#type: String,
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body: Option<serde_json::Value>,
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}
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let message = if let Some(kind) = kind {
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serde_json::to_value(Message {
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r#type: kind.to_string(),
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body: value,
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})?
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} else {
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value.ok_or(Error::ValueError("Invalid streaming message".to_string()))?
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};
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redis_conn()?.publish(channel.to_string(), message.to_string())?;
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Ok(())
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}
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#[cfg(test)]
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mod unit_test {
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use super::Stream;
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use pretty_assertions::assert_eq;
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#[test]
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fn channel_to_string() {
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assert_eq!(Stream::Internal.to_string(), "internal");
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assert_eq!(Stream::Broadcast.to_string(), "broadcast");
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assert_eq!(
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Stream::Admin {
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id: "9tb42br63g5apjcq".to_string()
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}
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.to_string(),
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"adminStream:9tb42br63g5apjcq"
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);
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}
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}
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