Method retrieve_objects

crate/server_database/src/core/database_objects.rs:233–255

Retrieve objects from the database. The `uid_or_tags` parameter can be either a `uid` or a JSON array of tags. The `user_filter` parameter allows filtering based on user permissions. The `state_filter` parameter allows filtering based on the state of the objects. The `params` parameter allows passing additional parameters for the database query. Returns a `DbResult` containing a `HashMap` whe

(
        &self,
        uid_or_tags: &str,
    )

    ///
    /// * `DbResult<HashMap<String, ObjectWithMetadata>>` - A result containing a map of `uid`s to `ObjectWithMetadata`.
    pub async fn retrieve_objects(
        &self,
        uid_or_tags: &str,
    ) -> DbResult<HashMap<String, ObjectWithMetadata>> {
        Box::pin(self.record("retrieve_objects", async move {
            let uids = if uid_or_tags.starts_with('[') {
                // tags
                let tags: HashSet<String> = serde_json::from_str(uid_or_tags)?;
                self.list_uids_for_tags(&tags).await?
            } else {
                HashSet::from([uid_or_tags.to_owned()])
            };
            let mut results: HashMap<String, ObjectWithMetadata> = HashMap::new();
            for uid in &uids {
                let owm = self.retrieve_object(uid).await?;
                if let Some(owm) = owm {
                    results.insert(uid.to_owned(), owm);
                }
            }
            Ok(results)
        }))
        .await
    }

    /// Retrieve a single object from the database.
    ///