style: use 2-space indentation across entire codebase

Add rustfmt.toml with tab_spaces = 2 and reformat all source files,
tests, and README code examples to use 2-space indentation.

rustfmt.toml

@@ -0,0 +1 @@
+tab_spaces = 2

src/endpoints/apps.rs

@@ -13,20 +13,23 @@ impl OnspringClient {
       query.push(("PageSize", p.page_size.to_string()));
     }
     let query_refs: Vec<(&str, String)> = query.iter().map(|(k, v)| (*k, v.clone())).collect();
-        self.request(Method::GET, "/Apps", &query_refs, Option::<&()>::None)
+    self
+      .request(Method::GET, "/Apps", &query_refs, Option::<&()>::None)
       .await
   }
 
   /// Gets an app by its identifier.
   pub async fn get_app(&self, app_id: i32) -> Result<App> {
     let path = format!("/Apps/id/{}", app_id);
-        self.request(Method::GET, &path, &[], Option::<&()>::None)
+    self
+      .request(Method::GET, &path, &[], Option::<&()>::None)
       .await
   }
 
   /// Gets up to 100 apps by their identifiers.
   pub async fn batch_get_apps(&self, ids: &[i32]) -> Result<CollectionResponse<App>> {
-        self.request(Method::POST, "/Apps/batch-get", &[], Some(&ids))
+    self
+      .request(Method::POST, "/Apps/batch-get", &[], Some(&ids))
       .await
   }
 }

src/endpoints/fields.rs

@@ -8,13 +8,15 @@ impl OnspringClient {
   /// Gets a field by its identifier.
   pub async fn get_field(&self, field_id: i32) -> Result<Field> {
     let path = format!("/Fields/id/{}", field_id);
-        self.request(Method::GET, &path, &[], Option::<&()>::None)
+    self
+      .request(Method::GET, &path, &[], Option::<&()>::None)
       .await
   }
 
   /// Gets up to 100 fields by their identifiers.
   pub async fn batch_get_fields(&self, ids: &[i32]) -> Result<CollectionResponse<Field>> {
-        self.request(Method::POST, "/Fields/batch-get", &[], Some(&ids))
+    self
+      .request(Method::POST, "/Fields/batch-get", &[], Some(&ids))
       .await
   }
 
@@ -31,7 +33,8 @@ impl OnspringClient {
       query.push(("PageSize", p.page_size.to_string()));
     }
     let query_refs: Vec<(&str, String)> = query.iter().map(|(k, v)| (*k, v.clone())).collect();
-        self.request(Method::GET, &path, &query_refs, Option::<&()>::None)
+    self
+      .request(Method::GET, &path, &query_refs, Option::<&()>::None)
       .await
   }
 }

src/endpoints/files.rs

@@ -16,7 +16,8 @@ impl OnspringClient {
       "/Files/recordId/{}/fieldId/{}/fileId/{}",
       record_id, field_id, file_id
     );
-        self.request(Method::GET, &path, &[], Option::<&()>::None)
+    self
+      .request(Method::GET, &path, &[], Option::<&()>::None)
       .await
   }
 
@@ -82,7 +83,8 @@ impl OnspringClient {
       "/Files/recordId/{}/fieldId/{}/fileId/{}",
       record_id, field_id, file_id
     );
-        self.request_no_content(Method::DELETE, &path, &[], Option::<&()>::None)
+    self
+      .request_no_content(Method::DELETE, &path, &[], Option::<&()>::None)
       .await
   }
 }

src/endpoints/lists.rs

@@ -19,7 +19,8 @@ impl OnspringClient {
   /// Deletes a list item from the specified list.
   pub async fn delete_list_item(&self, list_id: i32, item_id: Uuid) -> Result<()> {
     let path = format!("/Lists/id/{}/itemId/{}", list_id, item_id);
-        self.request_no_content(Method::DELETE, &path, &[], Option::<&()>::None)
+    self
+      .request_no_content(Method::DELETE, &path, &[], Option::<&()>::None)
       .await
   }
 }

src/endpoints/ping.rs

@@ -6,7 +6,8 @@ use crate::error::Result;
 impl OnspringClient {
   /// Checks if the Onspring API is reachable.
   pub async fn ping(&self) -> Result<()> {
-        self.request_no_content(Method::GET, "/Ping", &[], Option::<&()>::None)
+    self
+      .request_no_content(Method::GET, "/Ping", &[], Option::<&()>::None)
       .await
   }
 }

src/endpoints/records.rs

@@ -3,9 +3,8 @@ use reqwest::Method;
 use crate::client::OnspringClient;
 use crate::error::Result;
 use crate::models::{
-    BatchDeleteRecordsRequest, BatchGetRecordsRequest, CollectionResponse, DataFormat,
-    PagedResponse, PagingRequest, QueryRecordsRequest, Record, SaveRecordRequest,
-    SaveRecordResponse,
+  BatchDeleteRecordsRequest, BatchGetRecordsRequest, CollectionResponse, DataFormat, PagedResponse,
+  PagingRequest, QueryRecordsRequest, Record, SaveRecordRequest, SaveRecordResponse,
 };
 
 impl OnspringClient {
@@ -35,7 +34,8 @@ impl OnspringClient {
       query.push(("dataFormat", format!("{:?}", fmt)));
     }
     let query_refs: Vec<(&str, String)> = query.iter().map(|(k, v)| (*k, v.clone())).collect();
-        self.request(Method::GET, &path, &query_refs, Option::<&()>::None)
+    self
+      .request(Method::GET, &path, &query_refs, Option::<&()>::None)
       .await
   }
 
@@ -61,20 +61,23 @@ impl OnspringClient {
       query.push(("dataFormat", format!("{:?}", fmt)));
     }
     let query_refs: Vec<(&str, String)> = query.iter().map(|(k, v)| (*k, v.clone())).collect();
-        self.request(Method::GET, &path, &query_refs, Option::<&()>::None)
+    self
+      .request(Method::GET, &path, &query_refs, Option::<&()>::None)
       .await
   }
 
   /// Creates or updates a record.
   pub async fn save_record(&self, request: SaveRecordRequest) -> Result<SaveRecordResponse> {
-        self.request(Method::PUT, "/Records", &[], Some(&request))
+    self
+      .request(Method::PUT, "/Records", &[], Some(&request))
       .await
   }
 
   /// Deletes a record by its identifier.
   pub async fn delete_record(&self, app_id: i32, record_id: i32) -> Result<()> {
     let path = format!("/Records/appId/{}/recordId/{}", app_id, record_id);
-        self.request_no_content(Method::DELETE, &path, &[], Option::<&()>::None)
+    self
+      .request_no_content(Method::DELETE, &path, &[], Option::<&()>::None)
       .await
   }
 
@@ -83,7 +86,8 @@ impl OnspringClient {
     &self,
     request: BatchGetRecordsRequest,
   ) -> Result<CollectionResponse<Record>> {
-        self.request(Method::POST, "/Records/batch-get", &[], Some(&request))
+    self
+      .request(Method::POST, "/Records/batch-get", &[], Some(&request))
       .await
   }
 
@@ -99,13 +103,15 @@ impl OnspringClient {
       query.push(("PageSize", p.page_size.to_string()));
     }
     let query_refs: Vec<(&str, String)> = query.iter().map(|(k, v)| (*k, v.clone())).collect();
-        self.request(Method::POST, "/Records/Query", &query_refs, Some(&request))
+    self
+      .request(Method::POST, "/Records/Query", &query_refs, Some(&request))
       .await
   }
 
   /// Deletes a batch of records.
   pub async fn batch_delete_records(&self, request: BatchDeleteRecordsRequest) -> Result<()> {
-        self.request_no_content(Method::POST, "/Records/batch-delete", &[], Some(&request))
+    self
+      .request_no_content(Method::POST, "/Records/batch-delete", &[], Some(&request))
       .await
   }
 }

src/endpoints/reports.rs

@@ -23,7 +23,8 @@ impl OnspringClient {
       query.push(("dataType", format!("{:?}", dt)));
     }
     let query_refs: Vec<(&str, String)> = query.iter().map(|(k, v)| (*k, v.clone())).collect();
-        self.request(Method::GET, &path, &query_refs, Option::<&()>::None)
+    self
+      .request(Method::GET, &path, &query_refs, Option::<&()>::None)
       .await
   }
 
@@ -40,7 +41,8 @@ impl OnspringClient {
       query.push(("PageSize", p.page_size.to_string()));
     }
     let query_refs: Vec<(&str, String)> = query.iter().map(|(k, v)| (*k, v.clone())).collect();
-        self.request(Method::GET, &path, &query_refs, Option::<&()>::None)
+    self
+      .request(Method::GET, &path, &query_refs, Option::<&()>::None)
       .await
   }
 }