diff --git a/src/db.rs b/src/db.rs
index fd83a5f..ffef634 100644
--- a/src/db.rs
+++ b/src/db.rs
@@ -1,8 +1,8 @@
 pub mod json;
 
 use crate::models::*;
-use std::io;
 use serde_json;
+use std::io;
 
 #[derive(Debug)]
 pub enum Error {
@@ -18,7 +18,7 @@ impl From<io::Error> for Error {
 }
 
 impl From<serde_json::Error> for Error {
-    fn from(e: serde_json::Error) -> Self{
+    fn from(e: serde_json::Error) -> Self {
         Self::Json(e.to_string())
     }
 }
@@ -26,7 +26,12 @@ impl From<serde_json::Error> for Error {
 pub trait Storage {
     fn add_category(&mut self, category: NewCategory) -> Result<i32, Error>;
     fn add_series(&mut self, category_id: i32, series: NewSeries) -> Result<i32, Error>;
-    fn add_series_point(&mut self, category_id: i32, series_id: i32, series_point: NewSeriesPoint) -> Result<i32, Error>;
+    fn add_series_point(
+        &mut self,
+        category_id: i32,
+        series_id: i32,
+        series_point: NewSeriesPoint,
+    ) -> Result<i32, Error>;
     //fn add_user(&mut self, id: i32, user: NewUser) -> Result<User, Error>;
     fn get_category(&self, id: i32) -> Option<Category>;
     fn get_series(&self, category_id: i32, series_id: i32) -> Option<Series>;
diff --git a/src/db/json.rs b/src/db/json.rs
index e838221..4f80126 100644
--- a/src/db/json.rs
+++ b/src/db/json.rs
@@ -9,7 +9,9 @@ impl JsonDb {
     pub fn new(value: Option<String>) -> Self {
         match value {
             Some(value) => JsonDb { value },
-            None => JsonDb { value: String::from("[]") },
+            None => JsonDb {
+                value: String::from("[]"),
+            },
         }
     }
 
@@ -26,7 +28,7 @@ impl JsonDb {
             Ok(d) => {
                 self.value = d;
                 Ok(())
-            },
+            }
             Err(e) => Err(Error::from(e)),
         }
     }
@@ -41,7 +43,7 @@ impl Storage for JsonDb {
                 max_id = cat.id
             }
         }
-        let created = Category::new(max_id+1, category);
+        let created = Category::new(max_id + 1, category);
         data.push(created);
         self.save(data)?;
 
@@ -61,25 +63,29 @@ impl Storage for JsonDb {
         }
 
         if let None = cat {
-            return Err(Error::Generic ("Unable to find category".to_owned()));
+            return Err(Error::Generic("Unable to find category".to_owned()));
         }
         let cat = cat.unwrap();
 
-
         for series in cat.series.iter().clone() {
             if series.id > max_id {
                 max_id = series.id;
             }
         }
 
-        let created = Series::new(max_id+1, series);
+        let created = Series::new(max_id + 1, series);
         cat.series.push(created);
         self.save(data)?;
 
         Ok(max_id + 1)
     }
 
-    fn add_series_point(&mut self, category_id: i32, series_id: i32, series_point: NewSeriesPoint) -> Result<i32, Error> {
+    fn add_series_point(
+        &mut self,
+        category_id: i32,
+        series_id: i32,
+        series_point: NewSeriesPoint,
+    ) -> Result<i32, Error> {
         let mut max_id = 1;
         let mut cat: Option<&mut Category> = None;
         let mut series: Option<&mut Series> = None;
@@ -93,7 +99,7 @@ impl Storage for JsonDb {
         }
 
         if let None = cat {
-            return Err(Error::Generic ("Unable to find category".to_owned()));
+            return Err(Error::Generic("Unable to find category".to_owned()));
         }
         let cat = cat.unwrap();
 
@@ -105,7 +111,7 @@ impl Storage for JsonDb {
         }
 
         if let None = series {
-            return Err(Error::Generic ("Unable to find series".to_owned()));
+            return Err(Error::Generic("Unable to find series".to_owned()));
         }
         let series: &mut Series = series.unwrap();
 
@@ -148,7 +154,7 @@ impl Storage for JsonDb {
 
         for series_opt in cat.series {
             if series_opt.id == series_id {
-                return Some(series_opt)
+                return Some(series_opt);
             }
         }
 
diff --git a/src/lib.rs b/src/lib.rs
index 8be5d85..a71d8ce 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,5 @@
-mod utils;
-pub mod models;
 pub mod db;
+pub mod models;
+mod utils;
 
 use wasm_bindgen::prelude::*;
diff --git a/src/models/category.rs b/src/models/category.rs
index dc36e9b..c9b8895 100644
--- a/src/models/category.rs
+++ b/src/models/category.rs
@@ -1,5 +1,5 @@
 use crate::models::Series;
-use serde::{ Serialize, Deserialize };
+use serde::{Deserialize, Serialize};
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct Category {
diff --git a/src/models/series.rs b/src/models/series.rs
index aa3e043..93ee94c 100644
--- a/src/models/series.rs
+++ b/src/models/series.rs
@@ -1,6 +1,6 @@
-use chrono;
 use super::series_point::SeriesPoint;
-use serde::{ Serialize, Deserialize };
+use chrono;
+use serde::{Deserialize, Serialize};
 use serde_with;
 
 #[serde_with::serde_as]
diff --git a/src/models/series_point.rs b/src/models/series_point.rs
index 4eac7d3..4632363 100644
--- a/src/models/series_point.rs
+++ b/src/models/series_point.rs
@@ -1,6 +1,6 @@
-use chrono;
 use super::series_type::SeriesType;
-use serde::{ Serialize, Deserialize };
+use chrono;
+use serde::{Deserialize, Serialize};
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct SeriesPoint {
diff --git a/src/models/series_type.rs b/src/models/series_type.rs
index 64cf626..24b10fc 100644
--- a/src/models/series_type.rs
+++ b/src/models/series_type.rs
@@ -1,4 +1,4 @@
-use serde::{ Serialize, Deserialize };
+use serde::{Deserialize, Serialize};
 
 #[derive(Debug, Serialize, Deserialize)]
 pub enum SeriesType {
diff --git a/src/models/user.rs b/src/models/user.rs
index 1366763..6f0435a 100644
--- a/src/models/user.rs
+++ b/src/models/user.rs
@@ -1,4 +1,4 @@
-use serde::{ Serialize, Deserialize };
+use serde::{Deserialize, Serialize};
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct User {