[sdk] Fix few style issues

tuta-sdk/rust/demo/src/main.rs

@@ -62,7 +62,12 @@ impl ReqwestHttpClient {
 		Ok(RestResponse {
 			status: res.status().as_u16() as u32,
 			headers: ret_headers,
-			body: Some(res.bytes().await.expect("assuming response has a body").into()),
+			body: Some(
+				res.bytes()
+					.await
+					.expect("assuming response has a body")
+					.into(),
+			),
 		})
 	}
 }
@@ -100,7 +105,7 @@ async fn main() -> Result<(), Box<dyn Error>> {
 
 	let folders = mail_facade.load_folders_for_mailbox(&mailbox).await?;
 	let inbox = folders
-		.system_folder_by_type(MailSetKind::INBOX)
+		.system_folder_by_type(MailSetKind::Inbox)
 		.expect("inbox exists");
 	let inbox_mails = mail_facade.load_mails_in_folder(inbox).await?;
 

tuta-sdk/rust/sdk/src/folder_system.rs

@@ -9,28 +9,30 @@ pub struct FolderSystem {
 #[derive(PartialEq, TryFromPrimitive)]
 #[repr(u64)]
 pub enum MailSetKind {
-	CUSTOM = 0,
-	INBOX = 1,
-	SENT = 2,
-	TRASH = 3,
-	ARCHIVE = 4,
-	SPAM = 5,
-	DRAFT = 6,
-	ALL = 7,
-	UNKNOWN = 9999,
+	Custom = 0,
+	Inbox = 1,
+	Sent = 2,
+	Trash = 3,
+	Archive = 4,
+	Spam = 5,
+	Draft = 6,
+	All = 7,
+	Unknown = 9999,
 }
 
 impl MailFolder {
 	fn mail_set_kind(&self) -> MailSetKind {
-		MailSetKind::try_from(self.folderType as u64).unwrap_or(MailSetKind::UNKNOWN)
+		MailSetKind::try_from(self.folderType as u64).unwrap_or(MailSetKind::Unknown)
 	}
 }
 
 impl FolderSystem {
+	#[must_use]
 	pub fn new(folders: Vec<MailFolder>) -> Self {
 		Self { folders }
 	}
 
+	#[must_use]
 	pub fn system_folder_by_type(&self, mail_set_kind: MailSetKind) -> Option<&MailFolder> {
 		self.folders
 			.iter()

tuta-sdk/rust/sdk/src/generated_id.rs

@@ -1,7 +1,7 @@
-use std::borrow::ToOwned;
 use crate::entity_client::IdType;
 use serde::de::{Error, Visitor};
 use serde::{Deserialize, Deserializer, Serialize, Serializer};
+use std::borrow::ToOwned;
 use std::fmt::{Debug, Display, Formatter};
 
 pub const GENERATED_ID_STRUCT_NAME: &str = "GeneratedId";
@@ -27,11 +27,13 @@ impl GeneratedId {
 		Self(generate_random_string::<9>())
 	}
 
+	#[must_use]
 	pub fn min_id() -> Self {
 		// ideally should return a ref to a static id
 		GeneratedId("------------".to_owned())
 	}
 
+	#[must_use]
 	pub fn max_id() -> Self {
 		// ideally should return a ref to a static id
 		GeneratedId("zzzzzzzzzzzz".to_owned())

tuta-sdk/rust/sdk/src/lib.rs

@@ -44,7 +44,9 @@ pub mod date;
 mod element_value;
 mod entities;
 mod entity_client;
+pub mod folder_system;
 pub mod generated_id;
+mod groups;
 mod instance_mapper;
 mod json_element;
 mod json_serializer;
@@ -62,8 +64,6 @@ mod type_model_provider;
 mod typed_entity_client;
 mod user_facade;
 mod util;
-mod groups;
-pub mod folder_system;
 
 uniffi::setup_scaffolding!();
 

tuta-sdk/rust/sdk/src/mail_facade.rs

@@ -2,7 +2,6 @@ use std::sync::Arc;
 
 #[mockall_double::double]
 use crate::crypto_entity_client::CryptoEntityClient;
-use crate::entities::sys::GroupMembership;
 use crate::entities::tutanota::{Mail, MailBox, MailFolder, MailboxGroupRoot};
 use crate::folder_system::FolderSystem;
 use crate::generated_id::GeneratedId;

tuta-sdk/rust/sdk/src/user_facade.rs

@@ -148,7 +148,9 @@ impl GroupMembership {
 	pub fn group_type(&self) -> GroupType {
 		match self.groupType {
 			None => GroupType::Unknown,
-			Some(groupType) => GroupType::try_from(groupType as u64).unwrap_or(GroupType::Unknown),
+			Some(group_type) => {
+				GroupType::try_from(group_type as u64).unwrap_or(GroupType::Unknown)
+			},
 		}
 	}
 }