From eec81f57183ab7fcfd53517ad467f29bc10efc1d Mon Sep 17 00:00:00 2001
From: trisua <me@trisua.com>
Date: Fri, 15 Aug 2025 19:09:37 -0400
Subject: [PATCH] add: stack clones

---
 crates/app/src/langs/en-US.toml             |  1 +
 crates/app/src/public/html/stacks/feed.lisp | 25 +++++++++++++++++++++
 crates/app/src/routes/api/v1/mod.rs         |  1 +
 crates/app/src/routes/api/v1/stacks.rs      | 21 +++++++++++++++++
 crates/core/src/database/stacks.rs          |  7 ++++++
 5 files changed, 55 insertions(+)

diff --git a/crates/app/src/langs/en-US.toml b/crates/app/src/langs/en-US.toml
index e06e6ed..a464014 100644
--- a/crates/app/src/langs/en-US.toml
+++ b/crates/app/src/langs/en-US.toml
@@ -256,6 +256,7 @@ version = "1.0.0"
 "stacks:label.remove" = "Remove"
 "stacks:label.block_all" = "Block all"
 "stacks:label.unblock_all" = "Unblock all"
+"stacks:label.clone" = "Clone"
 
 "forge:label.forges" = "Forges"
 "forge:label.my_forges" = "My forges"
diff --git a/crates/app/src/public/html/stacks/feed.lisp b/crates/app/src/public/html/stacks/feed.lisp
index 2d1ca4a..392417e 100644
--- a/crates/app/src/public/html/stacks/feed.lisp
+++ b/crates/app/src/public/html/stacks/feed.lisp
@@ -37,6 +37,14 @@
                     (text "{{ icon \"pencil\" }}")
                     (span
                         (text "{{ text \"general:action.manage\" }}")))
+                (text "{% elif user -%}")
+                ; clone button for non-owner users
+                (button
+                    ("class" "lowered small")
+                    ("onclick" "clone_stack()")
+                    (icon (text "book-copy"))
+                    (span
+                        (str (text "stacks:label.clone"))))
                 (text "{%- endif %}")))
         (div
             ("class" "card w_full flex flex_col gap_2")
@@ -114,5 +122,22 @@
                     window.location.href = \"/settings#/account/blocks\";
                 }
             });
+    }
+
+    async function clone_stack() {
+        fetch(\"/api/v1/stacks/{{ stack.id }}/clone\", {
+            method: \"POST\",
+        })
+            .then((res) => res.json())
+            .then((res) => {
+                trigger(\"atto::toast\", [
+                    res.ok ? \"success\" : \"error\",
+                    res.message,
+                ]);
+
+                if (res.ok) {
+                    window.location.href = `/stacks/${res.payload}`;
+                }
+            });
     }"))
 (text "{% endblock %}")
diff --git a/crates/app/src/routes/api/v1/mod.rs b/crates/app/src/routes/api/v1/mod.rs
index 294ebb9..4b33b93 100644
--- a/crates/app/src/routes/api/v1/mod.rs
+++ b/crates/app/src/routes/api/v1/mod.rs
@@ -665,6 +665,7 @@ pub fn routes() -> Router {
         .route("/stacks", get(stacks::list_request))
         .route("/stacks", post(stacks::create_request))
         .route("/stacks/{id}", get(stacks::get_request))
+        .route("/stacks/{id}/clone", post(stacks::clone_request))
         .route("/stacks/{id}/name", post(stacks::update_name_request))
         .route("/stacks/{id}/privacy", post(stacks::update_privacy_request))
         .route("/stacks/{id}/mode", post(stacks::update_mode_request))
diff --git a/crates/app/src/routes/api/v1/stacks.rs b/crates/app/src/routes/api/v1/stacks.rs
index e46cfdc..2e777b1 100644
--- a/crates/app/src/routes/api/v1/stacks.rs
+++ b/crates/app/src/routes/api/v1/stacks.rs
@@ -91,6 +91,27 @@ pub async fn create_request(
     }
 }
 
+pub async fn clone_request(
+    jar: CookieJar,
+    Extension(data): Extension<State>,
+    Path(id): Path<usize>,
+) -> impl IntoResponse {
+    let data = &(data.read().await).0;
+    let user = match get_user_from_token!(jar, data, oauth::AppScope::UserCreateStacks) {
+        Some(ua) => ua,
+        None => return Json(Error::NotAllowed.into()),
+    };
+
+    match data.clone_stack(user.id, id).await {
+        Ok(s) => Json(ApiReturn {
+            ok: true,
+            message: "Stack created".to_string(),
+            payload: s.id.to_string(),
+        }),
+        Err(e) => Json(e.into()),
+    }
+}
+
 pub async fn update_name_request(
     jar: CookieJar,
     Extension(data): Extension<State>,
diff --git a/crates/core/src/database/stacks.rs b/crates/core/src/database/stacks.rs
index 604c415..5d102c2 100644
--- a/crates/core/src/database/stacks.rs
+++ b/crates/core/src/database/stacks.rs
@@ -247,6 +247,13 @@ impl DataManager {
         Ok(())
     }
 
+    /// Clone the given stack.
+    pub async fn clone_stack(&self, owner: usize, stack: usize) -> Result<UserStack> {
+        let stack = self.get_stack_by_id(stack).await?;
+        self.create_stack(UserStack::new(stack.name, owner, stack.users))
+            .await
+    }
+
     auto_method!(update_stack_name(&str)@get_stack_by_id:FinePermission::MANAGE_STACKS; -> "UPDATE stacks SET name = $1 WHERE id = $2" --cache-key-tmpl="atto.stack:{}");
     auto_method!(update_stack_users(Vec<usize>)@get_stack_by_id:FinePermission::MANAGE_STACKS; -> "UPDATE stacks SET users = $1 WHERE id = $2" --serde --cache-key-tmpl="atto.stack:{}");