addressing clippy lints

src/bucket.rs

@@ -38,20 +38,21 @@ const REDIS_MCAPTCHA_BUCKET_TYPE_VERSION: i32 = 0;
 #[derive(Debug, PartialEq)]
 /// encoding formats for persistence
 pub enum Format {
-    JSON,
+    Json,
 }
 
 impl Format {
     #[inline]
     pub fn parse_str<'a, T: Deserialize<'a>>(&self, data: &'a str) -> CacheResult<T> {
         match self {
-            Format::JSON => Ok(serde_json::from_str(data)?),
+            Format::Json => Ok(serde_json::from_str(data)?),
         }
     }
 
     #[inline]
     pub fn from_str<'a, T: Deserialize<'a>>(&self, data: &'a str) -> CacheResult<T> {
-        Ok(self.parse_str(data)?)
+        let res = self.parse_str(data)?;
+        Ok(res)
     }
 }
 
@@ -81,7 +82,6 @@ impl Bucket {
         let bucket = ctx.open_key_writable(&bucket_name);
         if bucket.key_type() == KeyType::Empty {
             ctx.log_debug(&format!("Bucket doesn't exist: {}", &key_name));
-            return;
         } else {
             Bucket::decrement_runner(ctx, &bucket);
         }
@@ -113,7 +113,7 @@ impl Bucket {
     fn decrement_runner(ctx: &Context, key: &RedisKeyWritable) {
         match key.get_value::<Bucket>(&MCAPTCHA_BUCKET_TYPE) {
             Ok(Some(bucket)) => {
-                ctx.log_debug(&format!("entering loop hashmap "));
+                ctx.log_debug("entering loop hashmap");
                 for (captcha, count) in bucket.decrement.drain() {
                     ctx.log_debug(&format!(
                         "reading captcha: {} with decr count {}",
@@ -129,7 +129,7 @@ impl Bucket {
                 }
             }
             _ => {
-                ctx.log_debug(&format!("bucket not found, can't decrement"));
+                ctx.log_debug("bucket not found, can't decrement");
             }
         }
     }
@@ -275,7 +275,7 @@ pub mod type_methods {
         let bucket = match encver {
             0 => {
                 let data = raw::load_string(rdb);
-                let bucket: Bucket = Format::JSON.from_str(&data).unwrap();
+                let bucket: Bucket = Format::Json.from_str(&data).unwrap();
                 bucket
             }
             _ => panic!("Can't load bucket from old redis RDB, encver: {}", encver,),

src/challenge.rs

@@ -55,7 +55,7 @@ impl Challenge {
         let mut args = args.into_iter().skip(1);
         let captcha = args.next_string()?;
         let json = args.next_string()?;
-        let add_challenge: AddChallenge = Format::JSON.from_str(&json)?;
+        let add_challenge: AddChallenge = Format::Json.from_str(&json)?;
 
         let challenge_name = get_challenge_name(&captcha, &add_challenge.challenge);
 
@@ -131,7 +131,7 @@ pub mod type_methods {
         let challenge = match encver {
             0 => {
                 let data = raw::load_string(rdb);
-                let challenge: Result<Challenge, CacheError> = Format::JSON.from_str(&data);
+                let challenge: Result<Challenge, CacheError> = Format::Json.from_str(&data);
                 if challenge.is_err() {
                     panic!(
                         "Can't load Challenge from old redis RDB, error while serde {}, data received: {}",

src/errors.rs

@@ -44,7 +44,7 @@ impl CacheError {
 
 impl From<String> for CacheError {
     fn from(e: String) -> Self {
-        CacheError::Msg(e.to_string())
+        CacheError::Msg(e)
     }
 }
 

src/lib.rs

@@ -78,12 +78,15 @@ pub fn on_delete(ctx: &Context, event_type: NotifyEvent, event: &str, key_name:
 
     if utils::is_bucket_timer(key_name) {
         bucket::Bucket::on_delete(ctx, event_type, event, key_name);
-        return;
     } else if utils::is_mcaptcha_safety(key_name) {
         crate::safety::MCaptchaSafety::on_delete(ctx, event_type, event, key_name);
     }
 }
 
+#[allow(clippy::not_unsafe_ptr_arg_deref)]
+pub mod redis {
+    use super::*;
+
     redis_module! {
         name: "mcaptcha_cahce",
         version: PKG_VERSION,
@@ -99,6 +102,6 @@ redis_module! {
         ],
        event_handlers: [
             [@EXPIRED @EVICTED: on_delete],
-        //TODO add expire/evicted event for safety
         ]
     }
+}

src/mcaptcha.rs

@@ -105,13 +105,13 @@ impl MCaptcha {
 
     /// get mcaptcha from redis key writable
     #[inline]
-    pub fn get_mut_mcaptcha<'a>(key: &'a RedisKeyWritable) -> CacheResult<Option<&'a mut Self>> {
+    pub fn get_mut_mcaptcha(key: &RedisKeyWritable) -> CacheResult<Option<&mut Self>> {
         Ok(key.get_value::<Self>(&MCAPTCHA_MCAPTCHA_TYPE)?)
     }
 
     /// get mcaptcha from redis key
     #[inline]
-    pub fn get_mcaptcha<'a>(key: &'a RedisKey) -> CacheResult<Option<&'a Self>> {
+    pub fn get_mcaptcha(key: &RedisKey) -> CacheResult<Option<&Self>> {
         Ok(key.get_value::<Self>(&MCAPTCHA_MCAPTCHA_TYPE)?)
     }
 
@@ -128,7 +128,7 @@ impl MCaptcha {
 
         match stored_captcha.get_value::<Self>(&MCAPTCHA_MCAPTCHA_TYPE)? {
             Some(val) => Ok(RedisValue::Integer(val.get_visitors().into())),
-            None => return Err(CacheError::CaptchaNotFound.into()),
+            None => Err(CacheError::CaptchaNotFound.into()),
         }
     }
 
@@ -137,7 +137,7 @@ impl MCaptcha {
         let mut args = args.into_iter().skip(1);
         let key_name = get_captcha_key(&args.next_string()?);
         let json = args.next_string()?;
-        let mcaptcha: CreateMCaptcha = Format::JSON.from_str(&json)?;
+        let mcaptcha: CreateMCaptcha = Format::Json.from_str(&json)?;
         let duration = mcaptcha.duration;
         let mcaptcha = Self::new(mcaptcha)?;
 
@@ -222,7 +222,7 @@ pub mod type_methods {
         let mcaptcha = match encver {
             0 => {
                 let data = raw::load_string(rdb);
-                let mcaptcha: Result<MCaptcha, CacheError> = Format::JSON.from_str(&data);
+                let mcaptcha: Result<MCaptcha, CacheError> = Format::Json.from_str(&data);
                 if mcaptcha.is_err() {
                     panic!(
                         "Can't load mCaptcha from old redis RDB, error while serde {}, data received: {}",

src/safety.rs

@@ -94,6 +94,7 @@ impl MCaptchaSafety {
         }
     }
 
+    #[allow(clippy::new_ret_no_self)]
     pub fn new(ctx: &Context, duration: u64, mcaptcha_name: &str) -> CacheResult<()> {
         let safety_name = get_safety_name(mcaptcha_name);
         let safety = ctx.open_key_writable(&safety_name);