1 files changed, 46 insertions, 1 deletions
diff --git a/rust/fatcat-cli/src/main.rs b/rust/fatcat-cli/src/main.rs
index 046a825..75ddc6a 100644
--- a/rust/fatcat-cli/src/main.rs
+++ b/rust/fatcat-cli/src/main.rs
@@ -163,8 +163,10 @@ enum Command {
         #[structopt(subcommand)]
         cmd: EditgroupCommand,
     },
+    Download {
+        specifier: Specifier,
+    },
     //Changelog
-    //Download
     //History
     Search {
         entity_type: EntityType,
@@ -324,6 +326,49 @@ fn run(opt: Opt) -> Result<()> {
                 .context("updating after edit")?;
             println!("{}", serde_json::to_string(&ee)?);
         }
+        Command::Download{specifier} => {
+            // run lookups if necessary (inefficient)
+            let specifier = match specifier {
+                Specifier::ReleaseLookup(_, _) | Specifier::FileLookup(_, _) => 
+                    specifier.into_entity_specifier(&mut api_client)?,
+                _ => specifier,
+            };
+            let file_entities = match specifier {
+                Specifier::Release(ident) => {
+                    let result = api_client.rt.block_on(
+                        api_client.api.get_release(ident.clone(), Some("files".to_string()), Some("abstracts,refs".to_string()))
+                    )?;
+                    let release_entity = match result {
+                        fatcat_openapi::GetReleaseResponse::FoundEntity(model) => {
+                            Ok(model)
+                        },
+                        resp => Err(anyhow!("{:?}", resp))
+                            .with_context(|| format!("API GET failed: {:?}", ident)),
+                    }?;
+                    // TODO: not unwrap
+                    release_entity.files.unwrap()
+                },
+                Specifier::File(ident) => {
+                    let result = api_client.rt.block_on(
+                        api_client.api.get_file(ident.clone(), None, None)
+                    )?;
+                    let file_entity = match result {
+                        fatcat_openapi::GetFileResponse::FoundEntity(model) => {
+                            Ok(model)
+                        },
+                        resp => Err(anyhow!("{:?}", resp))
+                            .with_context(|| format!("API GET failed: {:?}", ident)),
+                    }?;
+                    vec![file_entity]
+                },
+                // TODO: not panic
+                _ => panic!("TODO: can only fetch file or release"),
+            };
+            for fe in file_entities {
+                let status = download_file(fe)?;
+                println!("{:?}", status);
+            };
+        }
         Command::Search {
             entity_type,
             terms,