remove duplicate search result

src/controller/inn.rs

@@ -723,9 +723,7 @@ pub(crate) async fn edit_post_post(
     claim.update_last_write(&DB)?;
 
     if inn.inn_type.as_str() != "Private" {
-        let is_update: &[u8] = if old_pid == 0 { &[] } else { &[0] };
-        DB.open_tree("tan")?
-            .insert(format!("post{}", pid), is_update)?;
+        DB.open_tree("tan")?.insert(format!("post{}", pid), &[])?;
     }
 
     let target = format!("/post/{iid}/{pid}");

src/controller/mod.rs

@@ -15,7 +15,7 @@
 //! | "user_uploads"   | `uid#img_id`         | `image_hash.ext` |
 //! | default          | "imgs_count"         | N                |
 //! | "home_pages"     | `uid`                | `u8`             |
-//! | "tan"            | `ctype#id`           | `&[]`or &[0]     |
+//! | "tan"            | `ctype#id`           | `&[]`            |
 //!
 //! ### notification
 //! | tree            | key                   | value             |

src/controller/tantivy.rs

@@ -84,7 +84,7 @@ pub(crate) async fn search(
         }
     };
 
-    let mut out_searchs = Vec::with_capacity(20);
+    let mut ids = HashSet::with_capacity(20);
     if !search.is_empty() {
         let (query, err) = SEARCHER.query_parser.parse_query_lenient(&query);
         if !err.is_empty() {
@@ -99,9 +99,14 @@ pub(crate) async fn search(
         for (_score, doc_address) in top_docs {
             let doc = searcher.doc(doc_address)?;
             let id = doc.get_first(FIELDS.id).unwrap().as_text().unwrap();
-            if let Some(out) = OutSearch::get(id, &DB) {
-                out_searchs.push(out);
-            }
+            ids.insert(id.to_owned());
+        }
+    }
+
+    let mut out_searchs = Vec::with_capacity(20);
+    for id in ids {
+        if let Some(out) = OutSearch::get(&id, &DB) {
+            out_searchs.push(out);
         }
     }
 

src/main.rs

@@ -67,18 +67,12 @@ async fn main() -> Result<(), AppError> {
         let mut subscriber = DB.open_tree("tan").unwrap().watch_prefix(vec![]);
         while let Some(event) = (&mut subscriber).await {
             let (k, op_type) = match event {
-                sled::Event::Insert { key, value } => {
-                    if value.len() == 1 {
-                        (key, "update")
-                    } else {
-                        (key, "add")
-                    }
-                }
+                sled::Event::Insert { key, value: _ } => (key, "add"),
                 sled::Event::Remove { key } => (key, "delete"),
             };
             let id = String::from_utf8_lossy(&k);
 
-            if op_type == "update" || op_type == "add" {
+            if op_type == "add" {
                 tan.add_doc(&id, &DB).unwrap();
             }