feat(db): Implement ListThreads message
Implements support for a message for listing threads. This does not have any pagination support yet.
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1 changed files with 23 additions and 1 deletions
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src/db.rs
24
src/db.rs
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@ -1,8 +1,10 @@
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//! This module implements the database connection actor.
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use actix::prelude::*;
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use diesel::prelude::PgConnection;
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use actix_web::Error;
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use diesel::prelude::*;
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use diesel::r2d2::{Pool, ConnectionManager};
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use models::*;
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/// The DB actor itself. Several of these will be run in parallel by
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/// `SyncArbiter`.
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@ -11,3 +13,23 @@ pub struct DbExecutor(pub Pool<ConnectionManager<PgConnection>>);
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impl Actor for DbExecutor {
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type Context = SyncContext<Self>;
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}
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/// Message used to request a list of threads.
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/// TODO: This should support page numbers.
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pub struct ListThreads;
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impl Message for ListThreads {
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type Result = Result<Vec<Thread>, Error>;
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}
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impl Handler<ListThreads> for DbExecutor {
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type Result = <ListThreads as Message>::Result;
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fn handle(&mut self, _: ListThreads, _: &mut Self::Context) -> Self::Result {
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use schema::threads::dsl::*;
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let conn = self.0.get().unwrap();
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let results = threads.load::<Thread>(&conn).expect("Error loading threads");
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Ok(results)
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}
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}
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