implement open index

Cargo.lock

@@ -1710,6 +1710,7 @@ dependencies = [
  "bstr",
  "byte-unit",
  "byteorder",
+ "chrono",
  "crossbeam-channel",
  "csv",
  "either",
@@ -1724,13 +1725,13 @@ dependencies = [
  "levenshtein_automata",
  "linked-hash-map",
  "log",
+ "meilisearch-tokenizer",
  "memmap",
  "near-proximity",
  "num-traits",
  "obkv",
  "once_cell",
  "ordered-float",
- "page_size",
  "pest 2.1.3 (git+https://github.com/pest-parser/pest.git?rev=51fd1d49f1041f7839975664ef71fe15c7dcaf67)",
  "pest_derive",
  "rayon",
@@ -1739,6 +1740,7 @@ dependencies = [
  "roaring",
  "serde",
  "serde_json",
+ "serde_millis",
  "slice-group-by",
  "smallstr",
  "smallvec",
@@ -2605,6 +2607,15 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_millis"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6e2dc780ca5ee2c369d1d01d100270203c4ff923d2a4264812d723766434d00"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "serde_qs"
 version = "0.8.2"

src/index_controller/mod.rs

@@ -67,8 +67,9 @@ struct IndexMetadata {
 }
 
 impl IndexMetadata {
-    fn open_index(&self) -> Result<Self> {
-        todo!()
+    fn open_index(&self, path: impl AsRef<Path>) -> Result<Self> {
+        let path = path.as_ref().to_path_buf().push("indexes").push(&self.id);
+        Ok(Index::new(self.options, path)?)
     }
 }
 
@@ -79,7 +80,7 @@ struct IndexView<'a, U> {
 }
 
 struct IndexViewMut<'a, U> {
-    txn: heed::RwTxn<'a>,
+    txn: heed::RwTxn<'a, 'a>,
     index: &'a Index,
     update_store: &'a U,
 }
@@ -97,7 +98,7 @@ impl<'a, U> Deref for IndexViewMut<'a, U> {
 }
 
 impl<'a, U: UpdateStore> IndexView<'a, U> {
-    fn search(&self, search_query: SearchQuery) -> Result<SearchResult> {
+    pub fn search(&self, search_query: SearchQuery) -> Result<SearchResult> {
         let mut search = self.index.search(self.txn);
         if let Some(query) = &search_query.q {
             search.query(query);