Finish implementing HashRepo

docs/postgres-planning.md

@@ -165,8 +165,8 @@ CREATE TABLE queue (
 );
 
 
-CREATE INDEX queue_status_index ON queue INCLUDE status;
-CREATE INDEX heartbeat_index ON queue
+CREATE INDEX queue_status_index ON queue INCLUDE queue, status;
+CREATE INDEX heartbeat_index ON queue INCLUDE heartbeat;
 ```
 
 claiming a job can be

src/repo/postgres.rs

@@ -9,7 +9,7 @@ use diesel_async::{
         deadpool::{BuildError, Pool, PoolError},
         AsyncDieselConnectionManager,
     },
-    AsyncPgConnection, RunQueryDsl,
+    AsyncConnection, AsyncPgConnection, RunQueryDsl,
 };
 use url::Url;
 
@@ -223,63 +223,205 @@ impl HashRepo for PostgresRepo {
 
         let timestamp = to_primitive(timestamp);
 
-        /*
-        insert_into(hashes).values((
+        let res = diesel::insert_into(hashes)
+            .values((
                 hash.eq(&input_hash),
-            identifier.eq(&input_identifier)
+                identifier.eq(input_identifier.as_ref()),
+                created_at.eq(&timestamp),
             ))
-        */
+            .execute(&mut conn)
+            .await;
 
-        todo!()
+        match res {
+            Ok(_) => Ok(Ok(())),
+            Err(diesel::result::Error::DatabaseError(
+                diesel::result::DatabaseErrorKind::UniqueViolation,
+                _,
+            )) => Ok(Err(HashAlreadyExists)),
+            Err(e) => Err(PostgresError::Diesel(e).into()),
+        }
     }
 
-    async fn update_identifier(&self, hash: Hash, identifier: &Arc<str>) -> Result<(), RepoError> {
-        todo!()
+    async fn update_identifier(
+        &self,
+        input_hash: Hash,
+        input_identifier: &Arc<str>,
+    ) -> Result<(), RepoError> {
+        use schema::hashes::dsl::*;
+
+        let mut conn = self.pool.get().await.map_err(PostgresError::Pool)?;
+
+        diesel::update(hashes)
+            .filter(hash.eq(&input_hash))
+            .set(identifier.eq(input_identifier.as_ref()))
+            .execute(&mut conn)
+            .await
+            .map_err(PostgresError::Diesel)?;
+
+        Ok(())
     }
 
-    async fn identifier(&self, hash: Hash) -> Result<Option<Arc<str>>, RepoError> {
-        todo!()
+    async fn identifier(&self, input_hash: Hash) -> Result<Option<Arc<str>>, RepoError> {
+        use schema::hashes::dsl::*;
+
+        let mut conn = self.pool.get().await.map_err(PostgresError::Pool)?;
+
+        let opt = hashes
+            .select(identifier)
+            .filter(hash.eq(&input_hash))
+            .get_result::<String>(&mut conn)
+            .await
+            .optional()
+            .map_err(PostgresError::Diesel)?;
+
+        Ok(opt.map(Arc::from))
     }
 
     async fn relate_variant_identifier(
         &self,
-        hash: Hash,
-        variant: String,
-        identifier: &Arc<str>,
+        input_hash: Hash,
+        input_variant: String,
+        input_identifier: &Arc<str>,
     ) -> Result<Result<(), VariantAlreadyExists>, RepoError> {
-        todo!()
+        use schema::variants::dsl::*;
+
+        let mut conn = self.pool.get().await.map_err(PostgresError::Pool)?;
+
+        let res = diesel::insert_into(variants)
+            .values((
+                hash.eq(&input_hash),
+                variant.eq(&input_variant),
+                identifier.eq(input_identifier.as_ref()),
+            ))
+            .execute(&mut conn)
+            .await;
+
+        match res {
+            Ok(_) => Ok(Ok(())),
+            Err(diesel::result::Error::DatabaseError(
+                diesel::result::DatabaseErrorKind::UniqueViolation,
+                _,
+            )) => Ok(Err(VariantAlreadyExists)),
+            Err(e) => Err(PostgresError::Diesel(e).into()),
+        }
     }
 
     async fn variant_identifier(
         &self,
-        hash: Hash,
-        variant: String,
+        input_hash: Hash,
+        input_variant: String,
     ) -> Result<Option<Arc<str>>, RepoError> {
-        todo!()
+        use schema::variants::dsl::*;
+
+        let mut conn = self.pool.get().await.map_err(PostgresError::Pool)?;
+
+        let opt = variants
+            .select(identifier)
+            .filter(hash.eq(&input_hash))
+            .filter(variant.eq(&input_variant))
+            .get_result::<String>(&mut conn)
+            .await
+            .optional()
+            .map_err(PostgresError::Diesel)?
+            .map(Arc::from);
+
+        Ok(opt)
     }
 
-    async fn variants(&self, hash: Hash) -> Result<Vec<(String, Arc<str>)>, RepoError> {
-        todo!()
+    async fn variants(&self, input_hash: Hash) -> Result<Vec<(String, Arc<str>)>, RepoError> {
+        use schema::variants::dsl::*;
+
+        let mut conn = self.pool.get().await.map_err(PostgresError::Pool)?;
+
+        let vec = variants
+            .select((variant, identifier))
+            .filter(hash.eq(&input_hash))
+            .get_results::<(String, String)>(&mut conn)
+            .await
+            .map_err(PostgresError::Diesel)?
+            .into_iter()
+            .map(|(s, i)| (s, Arc::from(i)))
+            .collect();
+
+        Ok(vec)
     }
 
-    async fn remove_variant(&self, hash: Hash, variant: String) -> Result<(), RepoError> {
-        todo!()
+    async fn remove_variant(
+        &self,
+        input_hash: Hash,
+        input_variant: String,
+    ) -> Result<(), RepoError> {
+        use schema::variants::dsl::*;
+
+        let mut conn = self.pool.get().await.map_err(PostgresError::Pool)?;
+
+        diesel::delete(variants)
+            .filter(hash.eq(&input_hash))
+            .filter(variant.eq(&input_variant))
+            .execute(&mut conn)
+            .await
+            .map_err(PostgresError::Diesel)?;
+
+        Ok(())
     }
 
     async fn relate_motion_identifier(
         &self,
-        hash: Hash,
-        identifier: &Arc<str>,
+        input_hash: Hash,
+        input_identifier: &Arc<str>,
     ) -> Result<(), RepoError> {
-        todo!()
+        use schema::hashes::dsl::*;
+
+        let mut conn = self.pool.get().await.map_err(PostgresError::Pool)?;
+
+        diesel::update(hashes)
+            .filter(hash.eq(&input_hash))
+            .set(motion_identifier.eq(input_identifier.as_ref()))
+            .execute(&mut conn)
+            .await
+            .map_err(PostgresError::Diesel)?;
+
+        Ok(())
     }
 
-    async fn motion_identifier(&self, hash: Hash) -> Result<Option<Arc<str>>, RepoError> {
-        todo!()
+    async fn motion_identifier(&self, input_hash: Hash) -> Result<Option<Arc<str>>, RepoError> {
+        use schema::hashes::dsl::*;
+
+        let mut conn = self.pool.get().await.map_err(PostgresError::Pool)?;
+
+        let opt = hashes
+            .select(motion_identifier)
+            .filter(hash.eq(&input_hash))
+            .get_result::<Option<String>>(&mut conn)
+            .await
+            .optional()
+            .map_err(PostgresError::Diesel)?
+            .flatten()
+            .map(Arc::from);
+
+        Ok(opt)
     }
 
-    async fn cleanup_hash(&self, hash: Hash) -> Result<(), RepoError> {
-        todo!()
+    async fn cleanup_hash(&self, input_hash: Hash) -> Result<(), RepoError> {
+        let mut conn = self.pool.get().await.map_err(PostgresError::Pool)?;
+
+        conn.transaction(|conn| {
+            Box::pin(async move {
+                diesel::delete(schema::hashes::dsl::hashes)
+                    .filter(schema::hashes::dsl::hash.eq(&input_hash))
+                    .execute(conn)
+                    .await?;
+
+                diesel::delete(schema::variants::dsl::variants)
+                    .filter(schema::variants::dsl::hash.eq(&input_hash))
+                    .execute(conn)
+                    .await
+            })
+        })
+        .await
+        .map_err(PostgresError::Diesel)?;
+
+        Ok(())
     }
 }