Provide `hi-recanonicalize` to recover from canonicalized-name problems.

1 files changed, 32 insertions, 0 deletions

diff --git a/src/channel/repo.rs b/src/channel/repo.rs
index 4baa95b..e26ac2b 100644
--- a/src/channel/repo.rs
+++ b/src/channel/repo.rs
@@ -300,6 +300,38 @@ impl<'c> Channels<'c> {
 
         Ok(channels)
     }
+
+    pub async fn recanonicalize(&mut self) -> Result<(), sqlx::Error> {
+        let channels = sqlx::query!(
+            r#"
+                select
+                    id as "id: Id",
+                    display_name as "display_name: String"
+                from channel_name
+            "#,
+        )
+        .fetch_all(&mut *self.0)
+        .await?;
+
+        for channel in channels {
+            let name = Name::from(channel.display_name);
+            let canonical_name = name.canonical();
+
+            sqlx::query!(
+                r#"
+                    update channel_name
+                    set canonical_name = $1
+                    where id = $2
+                "#,
+                canonical_name,
+                channel.id,
+            )
+            .execute(&mut *self.0)
+            .await?;
+        }
+
+        Ok(())
+    }
 }
 
 #[derive(Debug, thiserror::Error)]