create an helper to allow to delete the index on error

Cargo.lock

@@ -1914,7 +1914,8 @@ checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
 [[package]]
 name = "pest"
 version = "2.1.3"
-source = "git+https://github.com/pest-parser/pest.git?rev=51fd1d49f1041f7839975664ef71fe15c7dcaf67#51fd1d49f1041f7839975664ef71fe15c7dcaf67"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10f4872ae94d7b90ae48754df22fd42ad52ce740b8f370b03da4835417403e53"
 dependencies = [
  "ucd-trie",
 ]
@@ -1922,8 +1923,7 @@ dependencies = [
 [[package]]
 name = "pest"
 version = "2.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
+source = "git+https://github.com/MarinPostma/pest.git?tag=meilisearch-patch1#e1031ad0134d5e9893c470dbea50811b2b746926"
-checksum = "10f4872ae94d7b90ae48754df22fd42ad52ce740b8f370b03da4835417403e53"
 dependencies = [
  "ucd-trie",
 ]

meilisearch-http/src/data.rs

@@ -3,9 +3,10 @@ use std::ops::Deref;
 use std::path::PathBuf;
 use std::sync::Arc;
 
-use meilisearch_core::{Database, DatabaseOptions};
+use meilisearch_core::{Database, DatabaseOptions, Index};
 use sha2::Digest;
 
+use crate::error::{Error as MSError, ResponseError};
 use crate::index_update_callback;
 use crate::option::Opt;
 
@@ -102,4 +103,60 @@ impl Data {
 
         Ok(data)
     }
+
+    fn create_index(&self, uid: &str) -> Result<Index, ResponseError> {
+        if !uid
+            .chars()
+            .all(|x| x.is_ascii_alphanumeric() || x == '-' || x == '_')
+        {
+            return Err(MSError::InvalidIndexUid.into());
+        }
+
+        let created_index = self.db.create_index(&uid).map_err(|e| match e {
+            meilisearch_core::Error::IndexAlreadyExists => e.into(),
+            _ => ResponseError::from(MSError::create_index(e)),
+        })?;
+
+        self.db.main_write::<_, _, ResponseError>(|mut writer| {
+            created_index.main.put_name(&mut writer, uid)?;
+
+            created_index
+                .main
+                .created_at(&writer)?
+                .ok_or(MSError::internal("Impossible to read created at"))?;
+
+            created_index
+                .main
+                .updated_at(&writer)?
+                .ok_or(MSError::internal("Impossible to read updated at"))?;
+            Ok(())
+        })?;
+
+        Ok(created_index)
+    }
+
+    pub fn get_or_create_index<F, R>(&self, uid: &str, f: F) -> Result<R, ResponseError>
+    where
+        F: FnOnce(&Index) -> Result<R, ResponseError>,
+    {
+        let mut index_has_been_created = false;
+
+        let index = match self.db.open_index(&uid) {
+            Some(index) => index,
+            None => {
+                index_has_been_created = true;
+                self.create_index(&uid)?
+            }
+        };
+
+        match f(&index) {
+            Ok(r) => Ok(r),
+            Err(err) => {
+                if index_has_been_created {
+                    let _ = self.db.delete_index(&uid);
+                }
+                Err(err)
+            }
+        }
+    }
 }

meilisearch-http/src/routes/document.rs

@@ -160,37 +160,6 @@ struct UpdateDocumentsQuery {
     primary_key: Option<String>,
 }
 
-fn create_index(data: &Data, uid: &str) -> Result<Index, ResponseError> {
-    if !uid
-        .chars()
-        .all(|x| x.is_ascii_alphanumeric() || x == '-' || x == '_')
-    {
-        return Err(Error::InvalidIndexUid.into());
-    }
-
-    let created_index = data.db.create_index(&uid).map_err(|e| match e {
-        meilisearch_core::Error::IndexAlreadyExists => e.into(),
-        _ => ResponseError::from(Error::create_index(e)),
-    })?;
-
-    data.db.main_write::<_, _, ResponseError>(|mut writer| {
-        created_index.main.put_name(&mut writer, uid)?;
-
-        created_index
-            .main
-            .created_at(&writer)?
-            .ok_or(Error::internal("Impossible to read created at"))?;
-
-        created_index
-            .main
-            .updated_at(&writer)?
-            .ok_or(Error::internal("Impossible to read updated at"))?;
-        Ok(())
-    })?;
-
-    Ok(created_index)
-}
-
 async fn update_multiple_documents(
     data: web::Data<Data>,
     path: web::Path<IndexParam>,
@@ -198,12 +167,7 @@ async fn update_multiple_documents(
     body: web::Json<Vec<Document>>,
     is_partial: bool,
 ) -> Result<HttpResponse, ResponseError> {
-    let index = data
+    let update_id = data.get_or_create_index(&path.index_uid, |index| {
-        .db
-        .open_index(&path.index_uid)
-        .ok_or(Error::index_not_found(&path.index_uid))
-        .or(create_index(&data, &path.index_uid))?;
-
         let reader = data.db.main_read_txn()?;
 
         let mut schema = index
@@ -235,9 +199,9 @@ async fn update_multiple_documents(
             document_addition.update_document(document);
         }
 
-    let update_id = data.db.update_write(|w| document_addition.finalize(w))?;
+        Ok(data.db.update_write(|w| document_addition.finalize(w))?)
-
+    })?;
-    Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
+    return Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)));
 }
 
 #[post("/indexes/{index_uid}/documents", wrap = "Authentication::Private")]

meilisearch-http/src/routes/setting.rs

@@ -53,13 +53,12 @@ async fn update_all(
     path: web::Path<IndexParam>,
     body: web::Json<Settings>,
 ) -> Result<HttpResponse, ResponseError> {
-    let settings = body
+    let update_id = data.get_or_create_index(&path.index_uid, |index| {
-        .into_inner()
+        Ok(data.db.update_write::<_, _, ResponseError>(|writer| {
-        .to_update()
+            let settings = body.into_inner().to_update().map_err(Error::bad_request)?;
-        .map_err(Error::bad_request)?;
+            let update_id = index.settings_update(writer, settings)?;
-
+            Ok(update_id)
-    let update_id = data.db.update_write::<_, _, Error>(|writer| {
+        })?)
-        update_all_settings_txn(&data, settings, &path.index_uid, writer)
     })?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
@@ -71,11 +70,7 @@ pub fn get_all_sync(data: &web::Data<Data>, reader: &MainReader, index_uid: &str
         .open_index(index_uid)
         .ok_or(Error::index_not_found(index_uid))?;
 
-    let stop_words: BTreeSet<String> = index
+    let stop_words: BTreeSet<String> = index.main.stop_words(&reader)?.into_iter().collect();
-        .main
-        .stop_words(reader)?
-        .into_iter()
-        .collect();
 
     let synonyms_list = index.main.synonyms(reader)?;
 
@@ -94,22 +89,19 @@ pub fn get_all_sync(data: &web::Data<Data>, reader: &MainReader, index_uid: &str
         .map(|r| r.to_string())
         .collect();
 
-
+    let schema = index.main.schema(&reader)?;
-    let schema = index.main.schema(reader)?;
 
     let distinct_attribute = match (index.main.distinct_attribute(reader)?, &schema) {
         (Some(id), Some(schema)) => schema.name(id).map(str::to_string),
         _ => None,
     };
 
-    let attributes_for_faceting = match (&schema, &index.main.attributes_for_faceting(reader)?) {
+    let attributes_for_faceting = match (&schema, &index.main.attributes_for_faceting(&reader)?) {
-        (Some(schema), Some(attrs)) => {
+        (Some(schema), Some(attrs)) => attrs
-            attrs
             .iter()
             .filter_map(|&id| schema.name(id))
             .map(str::to_string)
-                .collect()
+            .collect(),
-        }
         _ => vec![],
     };
 
@@ -159,7 +151,9 @@ async fn delete_all(
         attributes_for_faceting: UpdateState::Clear,
     };
 
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+    let update_id = data
+        .db
+        .update_write(|w| index.settings_update(w, settings))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -209,7 +203,9 @@ async fn update_rules(
     };
 
     let settings = settings.to_update().map_err(Error::bad_request)?;
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+    let update_id = data
+        .db
+        .update_write(|w| index.settings_update(w, settings))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -232,7 +228,9 @@ async fn delete_rules(
         ..SettingsUpdate::default()
     };
 
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+    let update_id = data
+        .db
+        .update_write(|w| index.settings_update(w, settings))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -280,7 +278,9 @@ async fn update_distinct(
     };
 
     let settings = settings.to_update().map_err(Error::bad_request)?;
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+    let update_id = data
+        .db
+        .update_write(|w| index.settings_update(w, settings))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -303,7 +303,9 @@ async fn delete_distinct(
         ..SettingsUpdate::default()
     };
 
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+    let update_id = data
+        .db
+        .update_write(|w| index.settings_update(w, settings))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -322,8 +324,7 @@ async fn get_searchable(
         .ok_or(Error::index_not_found(&path.index_uid))?;
     let reader = data.db.main_read_txn()?;
     let schema = index.main.schema(&reader)?;
-    let searchable_attributes: Option<Vec<String>> =
+    let searchable_attributes: Option<Vec<String>> = schema.as_ref().map(get_indexed_attributes);
-        schema.as_ref().map(get_indexed_attributes);
 
     Ok(HttpResponse::Ok().json(searchable_attributes))
 }
@@ -349,7 +350,9 @@ async fn update_searchable(
 
     let settings = settings.to_update().map_err(Error::bad_request)?;
 
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+    let update_id = data
+        .db
+        .update_write(|w| index.settings_update(w, settings))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -372,7 +375,9 @@ async fn delete_searchable(
         ..SettingsUpdate::default()
     };
 
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+    let update_id = data
+        .db
+        .update_write(|w| index.settings_update(w, settings))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -418,7 +423,9 @@ async fn update_displayed(
     };
 
     let settings = settings.to_update().map_err(Error::bad_request)?;
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+    let update_id = data
+        .db
+        .update_write(|w| index.settings_update(w, settings))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -441,7 +448,9 @@ async fn delete_displayed(
         ..SettingsUpdate::default()
     };
 
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+    let update_id = data
+        .db
+        .update_write(|w| index.settings_update(w, settings))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -459,20 +468,16 @@ async fn get_attributes_for_faceting(
         .open_index(&path.index_uid)
         .ok_or(Error::index_not_found(&path.index_uid))?;
 
-    let attributes_for_faceting = data
+    let attributes_for_faceting = data.db.main_read::<_, _, ResponseError>(|reader| {
-        .db
-        .main_read::<_, _, ResponseError>(|reader| {
         let schema = index.main.schema(reader)?;
         let attrs = index.main.attributes_for_faceting(reader)?;
         let attr_names = match (&schema, &attrs) {
-            (Some(schema), Some(attrs)) => {
+            (Some(schema), Some(attrs)) => attrs
-                attrs
                 .iter()
                 .filter_map(|&id| schema.name(id))
                 .map(str::to_string)
-                    .collect()
+                .collect(),
-            }
+            _ => vec![],
-            _ => vec![]
         };
         Ok(attr_names)
     })?;
@@ -500,7 +505,9 @@ async fn update_attributes_for_faceting(
     };
 
     let settings = settings.to_update().map_err(Error::bad_request)?;
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+    let update_id = data
+        .db
+        .update_write(|w| index.settings_update(w, settings))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -523,7 +530,9 @@ async fn delete_attributes_for_faceting(
         ..SettingsUpdate::default()
     };
 
-    let update_id = data.db.update_write(|w| index.settings_update(w, settings))?;
+    let update_id = data
+        .db
+        .update_write(|w| index.settings_update(w, settings))?;
 
     Ok(HttpResponse::Accepted().json(IndexUpdateResponse::with_id(update_id)))
 }
@@ -532,7 +541,8 @@ fn get_indexed_attributes(schema: &Schema) -> Vec<String> {
     if schema.is_indexed_all() {
         ["*"].iter().map(|s| s.to_string()).collect()
     } else {
-        schema.indexed_name()
+        schema
+            .indexed_name()
             .iter()
             .map(|s| s.to_string())
             .collect()
@@ -543,7 +553,8 @@ fn get_displayed_attributes(schema: &Schema) -> HashSet<String> {
     if schema.is_displayed_all() {
         ["*"].iter().map(|s| s.to_string()).collect()
     } else {
-        schema.displayed_name()
+        schema
+            .displayed_name()
             .iter()
             .map(|s| s.to_string())
             .collect()