From 16ca38b85ad42f1d6524be3a3d9732e0313942a1 Mon Sep 17 00:00:00 2001
From: Simon Popugaev <senia.psm@gmail.com>
Date: Fri, 24 Nov 2023 20:50:53 +0300
Subject: [PATCH] template file frm stdin

---
 src/clients/template.rs | 79 +++++++++++++++++++++++++++--------------
 src/template.rs         |  9 +++--
 2 files changed, 56 insertions(+), 32 deletions(-)

diff --git a/src/clients/template.rs b/src/clients/template.rs
index 1559315..1648a85 100644
--- a/src/clients/template.rs
+++ b/src/clients/template.rs
@@ -1,4 +1,4 @@
-use std::path::PathBuf;
+use std::io::Read;
 
 use async_trait::async_trait;
 use golem_client::model::{
@@ -9,7 +9,7 @@ use tokio::fs::File;
 use tracing::info;
 
 use crate::clients::CloudAuthentication;
-use crate::model::{GolemError, TemplateName};
+use crate::model::{GolemError, PathBufOrStdin, TemplateName};
 use crate::{ProjectId, RawTemplateId};
 
 #[async_trait]
@@ -24,13 +24,13 @@ pub trait TemplateClient {
         &self,
         project_id: Option<ProjectId>,
         name: TemplateName,
-        file: PathBuf,
+        file: PathBufOrStdin,
         auth: &CloudAuthentication,
     ) -> Result<TemplateView, GolemError>;
     async fn update(
         &self,
         id: RawTemplateId,
-        file: PathBuf,
+        file: PathBufOrStdin,
         auth: &CloudAuthentication,
     ) -> Result<TemplateView, GolemError>;
 }
@@ -197,27 +197,39 @@ impl<C: golem_client::template::Template + Sync + Send> TemplateClient for Templ
         &self,
         project_id: Option<ProjectId>,
         name: TemplateName,
-        path: PathBuf,
+        path: PathBufOrStdin,
         auth: &CloudAuthentication,
     ) -> Result<TemplateView, GolemError> {
         info!("Adding template {name:?} from {path:?}");
 
-        let file = File::open(path)
-            .await
-            .map_err(|e| GolemError(format!("Can't open template file: {e}")))?;
         let template_name = golem_client::model::TemplateName { value: name.0 };
+        let query = TemplateQuery {
+            project_id: project_id.map(|ProjectId(id)| id),
+            component_name: template_name,
+        };
 
-        let template = self
-            .client
-            .upload_template(
-                TemplateQuery {
-                    project_id: project_id.map(|ProjectId(id)| id),
-                    component_name: template_name,
-                },
-                file,
-                &auth.header(),
-            )
-            .await?;
+        let template = match path {
+            PathBufOrStdin::Path(path) => {
+                let file = File::open(path)
+                    .await
+                    .map_err(|e| GolemError(format!("Can't open template file: {e}")))?;
+
+                self.client
+                    .upload_template(query, file, &auth.header())
+                    .await?
+            }
+            PathBufOrStdin::Stdin => {
+                let mut bytes = Vec::new();
+
+                let _ = std::io::stdin()
+                    .read_to_end(&mut bytes) // TODO: steaming request from stdin
+                    .map_err(|e| GolemError(format!("Failed to read stdin: {e:?}")))?;
+
+                self.client
+                    .upload_template(query, bytes, &auth.header())
+                    .await?
+            }
+        };
 
         Ok((&template).into())
     }
@@ -225,19 +237,32 @@ impl<C: golem_client::template::Template + Sync + Send> TemplateClient for Templ
     async fn update(
         &self,
         id: RawTemplateId,
-        path: PathBuf,
+        path: PathBufOrStdin,
         auth: &CloudAuthentication,
     ) -> Result<TemplateView, GolemError> {
         info!("Updating template {id:?} from {path:?}");
 
-        let file = File::open(path)
-            .await
-            .map_err(|e| GolemError(format!("Can't open template file: {e}")))?;
+        let template = match path {
+            PathBufOrStdin::Path(path) => {
+                let file = File::open(path)
+                    .await
+                    .map_err(|e| GolemError(format!("Can't open template file: {e}")))?;
+                self.client
+                    .update_template(&id.0.to_string(), file, &auth.header())
+                    .await?
+            }
+            PathBufOrStdin::Stdin => {
+                let mut bytes = Vec::new();
 
-        let template = self
-            .client
-            .update_template(&id.0.to_string(), file, &auth.header())
-            .await?;
+                let _ = std::io::stdin()
+                    .read_to_end(&mut bytes) // TODO: steaming request from stdin
+                    .map_err(|e| GolemError(format!("Failed to read stdin: {e:?}")))?;
+
+                self.client
+                    .update_template(&id.0.to_string(), bytes, &auth.header())
+                    .await?
+            }
+        };
 
         Ok((&template).into())
     }
diff --git a/src/template.rs b/src/template.rs
index 3a55ea9..907b40e 100644
--- a/src/template.rs
+++ b/src/template.rs
@@ -1,5 +1,3 @@
-use std::path::PathBuf;
-
 use async_trait::async_trait;
 use clap::Subcommand;
 use indoc::formatdoc;
@@ -10,7 +8,8 @@ use crate::clients::project::ProjectClient;
 use crate::clients::template::{TemplateClient, TemplateView};
 use crate::clients::CloudAuthentication;
 use crate::model::{
-    GolemError, GolemResult, ProjectId, ProjectRef, RawTemplateId, TemplateIdOrName, TemplateName,
+    GolemError, GolemResult, PathBufOrStdin, ProjectId, ProjectRef, RawTemplateId,
+    TemplateIdOrName, TemplateName,
 };
 
 #[derive(Subcommand, Debug)]
@@ -25,7 +24,7 @@ pub enum TemplateSubcommand {
         template_name: TemplateName,
 
         #[arg(value_name = "template-file", value_hint = clap::ValueHint::FilePath)]
-        template_file: PathBuf, // TODO: validate exists
+        template_file: PathBufOrStdin, // TODO: validate exists
     },
 
     #[command()]
@@ -34,7 +33,7 @@ pub enum TemplateSubcommand {
         template_id_or_name: TemplateIdOrName,
 
         #[arg(value_name = "template-file", value_hint = clap::ValueHint::FilePath)]
-        template_file: PathBuf, // TODO: validate exists
+        template_file: PathBufOrStdin, // TODO: validate exists
     },
 
     #[command()]