Use TagSet for workflow tags

Cargo.toml

@@ -25,7 +25,7 @@ oinq = { git = "https://github.com/petabi/oinq.git", tag = "0.9.1" }
 reqwest = { version = "0.11", default-features = false, features = [
   "rustls-tls-native-roots",
 ] }
-review-database = { git = "https://github.com/petabi/review-database.git", rev = "e13263aa" }
+review-database = { git = "https://github.com/petabi/review-database.git", rev = "5f0cb096" }
 roxy = { git = "https://github.com/aicers/roxy.git", tag = "0.2.1" }
 rustls = "0.21"
 rustls-native-certs = "0.6"

src/graphql/tags/workflow_tag.rs

@@ -9,13 +9,12 @@ impl WorkflowTagQuery {
     /// A list of workflow tags.
     async fn workflow_tag_list(&self, ctx: &Context<'_>) -> Result<Vec<Tag>> {
         let store = crate::graphql::get_store(ctx).await?;
-        let set = store.workflow_tag_set();
-        let index = set.index()?;
-        Ok(index
-            .iter()
-            .map(|(id, name)| Tag {
-                id,
-                name: String::from_utf8_lossy(name).into_owned(),
+        let set = store.workflow_tag_set()?;
+        Ok(set
+            .tags()
+            .map(|tag| Tag {
+                id: tag.id,
+                name: tag.name.clone(),
             })
             .collect())
     }
@@ -29,8 +28,8 @@ impl WorkflowTagMutation {
     /// Inserts a new workflow tag, returning the ID of the new tag.
     async fn insert_workflow_tag(&self, ctx: &Context<'_>, name: String) -> Result<ID> {
         let store = crate::graphql::get_store(ctx).await?;
-        let set = store.workflow_tag_set();
-        let id = set.insert(name.as_bytes())?;
+        let mut set = store.workflow_tag_set()?;
+        let id = set.insert(&name)?;
         Ok(ID(id.to_string()))
     }
 
@@ -40,9 +39,9 @@ impl WorkflowTagMutation {
         let store = crate::graphql::get_store(ctx).await?;
         // TODO: Delete the tag from workflows when assigning tags to a workflow
         // is implemented.
-        let set = store.workflow_tag_set();
+        let mut set = store.workflow_tag_set()?;
         let name = set.remove(id.0.parse()?)?;
-        Ok(Some(String::from_utf8_lossy(&name).into_owned()))
+        Ok(Some(name))
     }
 
     /// Updates the name of a workflow tag for the given ID.
@@ -57,7 +56,7 @@ impl WorkflowTagMutation {
         new: String,
     ) -> Result<bool> {
         let store = crate::graphql::get_store(ctx).await?;
-        let set = store.workflow_tag_set();
-        Ok(set.update(id.0.parse()?, old.as_bytes(), new.as_bytes())?)
+        let mut set = store.workflow_tag_set()?;
+        Ok(set.update(id.0.parse()?, &old, &new)?)
     }
 }