Merge #603

603: Stops panicking when getting indexes r=irevoire a=postmeback

Sorry for the wrong heading. It actually enhances the request mentioned on [575](#575). 

Fixes: #575 

Requesting the maintainers to have a look at it.

Co-authored-by: postmeback <[email protected]>
Co-authored-by: Arka Poddar <[email protected]>
Co-authored-by: Clémentine <[email protected]>

src/client.rs

@@ -1,3 +1,4 @@
+use serde::de::Error as SerdeError;
 use serde::{de::DeserializeOwned, Deserialize, Serialize};
 use serde_json::{json, Value};
 use std::{collections::HashMap, time::Duration};
@@ -79,16 +80,36 @@ impl<Http: HttpClient> Client<Http> {
         &self,
         value: &Value,
     ) -> Result<IndexesResults<Http>, Error> {
-        let raw_indexes = value["results"].as_array().unwrap();
+        let raw_indexes = value["results"]
+            .as_array()
+            .ok_or_else(|| serde_json::Error::custom("Missing or invalid 'results' field"))
+            .map_err(Error::ParseError)?;
+
+        let limit = value["limit"]
+            .as_u64()
+            .ok_or_else(|| serde_json::Error::custom("Missing or invalid 'limit' field"))
+            .map_err(Error::ParseError)? as u32;
+
+        let offset = value["offset"]
+            .as_u64()
+            .ok_or_else(|| serde_json::Error::custom("Missing or invalid 'offset' field"))
+            .map_err(Error::ParseError)? as u32;
+
+        let total = value["total"]
+            .as_u64()
+            .ok_or_else(|| serde_json::Error::custom("Missing or invalid 'total' field"))
+            .map_err(Error::ParseError)? as u32;
+
+        let results = raw_indexes
+            .iter()
+            .map(|raw_index| Index::from_value(raw_index.clone(), self.clone()))
+            .collect::<Result<_, _>>()?;
 
         let indexes_results = IndexesResults {
-            limit: value["limit"].as_u64().unwrap() as u32,
-            offset: value["offset"].as_u64().unwrap() as u32,
-            total: value["total"].as_u64().unwrap() as u32,
-            results: raw_indexes
-                .iter()
-                .map(|raw_index| Index::from_value(raw_index.clone(), self.clone()))
-                .collect::<Result<_, _>>()?,
+            limit,
+            offset,
+            total,
+            results,
         };
 
         Ok(indexes_results)

src/errors.rs

@@ -17,6 +17,7 @@ pub enum Error {
     /// The Meilisearch server returned an invalid JSON for a request.
     #[error("Error parsing response JSON: {}", .0)]
     ParseError(#[from] serde_json::Error),
+
     /// A timeout happened while waiting for an update to complete.
     #[error("A task did not succeed in time.")]
     Timeout,