From 9e6a4c0c3f783ffe51e429a21f84abcd9d2fab05 Mon Sep 17 00:00:00 2001
From: Stefano Pigozzi <256895@studenti.unimore.it>
Date: Fri, 23 Apr 2021 01:29:51 +0200
Subject: [PATCH] =?UTF-8?q?=F0=9F=A7=B9=20Refactor=20setAndSaveTheme=20in?=
 =?UTF-8?q?=20its=20own=20hook?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 code/frontend/src/App.js                 | 43 +--------------------
 code/frontend/src/hooks/useSavedTheme.js | 48 ++++++++++++++++++++++++
 2 files changed, 50 insertions(+), 41 deletions(-)
 create mode 100644 code/frontend/src/hooks/useSavedTheme.js

diff --git a/code/frontend/src/App.js b/code/frontend/src/App.js
index e8761a3..607b8ab 100644
--- a/code/frontend/src/App.js
+++ b/code/frontend/src/App.js
@@ -10,50 +10,11 @@ import PageRepositories from "./routes/PageRepositories"
 import PageAlerts from "./routes/PageAlerts"
 import PageSettings from "./routes/PageSettings"
 import PageSandbox from "./routes/PageSandbox"
+import useSavedTheme from "./hooks/useSavedTheme"
 
 
 export default function App() {
-    const loadTheme = () => {
-        if(localStorage) {
-            console.debug(`Loading theme from localStorage...`)
-            let value = localStorage.getItem("theme")
-
-            if(value) {
-                console.debug(`Loaded theme ${value}!`)
-                return value
-            }
-            else {
-                console.debug(`There is no theme stored in the localStorage; setting to "ThemeDark"...`)
-                return "ThemeDark"
-            }
-        }
-        else {
-            console.warn(`Can't load theme; localStorage doesn't seem to be available; setting to "ThemeDark"...`)
-            return "ThemeDark"
-        }
-    }
-
-    const [theme, _setTheme] = useState(loadTheme());
-
-    const setTheme = (value) => {
-        console.debug(`Changing theme to ${value}...`)
-        _setTheme(value)
-    }
-
-    const saveTheme = (value) => {
-        if(localStorage) {
-            console.debug(`Saving theme ${value} to localStorage...`)
-            localStorage.setItem("theme", value)
-        }
-        else {
-            console.warn(`Can't save theme; localStorage doesn't seem to be available...`)
-        }
-    }
-
-    const setAndSaveTheme = (value) => {
-        setTheme(value)
-        saveTheme(value)
-    }
+    const [theme, setAndSaveTheme] = useSavedTheme();
 
     return (
         <ContextTheme.Provider value={[theme, setAndSaveTheme]}>
diff --git a/code/frontend/src/hooks/useSavedTheme.js b/code/frontend/src/hooks/useSavedTheme.js
new file mode 100644
index 0000000..aa67f00
--- /dev/null
+++ b/code/frontend/src/hooks/useSavedTheme.js
@@ -0,0 +1,48 @@
+import { useState } from "react"
+
+
+export default function useSavedTheme() {
+    const loadTheme = () => {
+        if(localStorage) {
+            console.debug(`Loading theme from localStorage...`)
+            let value = localStorage.getItem("theme")
+
+            if(value) {
+                console.debug(`Loaded theme ${value}!`)
+                return value
+            }
+            else {
+                console.debug(`There is no theme stored in the localStorage; setting to "ThemeDark"...`)
+                return "ThemeDark"
+            }
+        }
+        else {
+            console.warn(`Can't load theme; localStorage doesn't seem to be available; setting to "ThemeDark"...`)
+            return "ThemeDark"
+        }
+    }
+
+    const [theme, _setTheme] = useState(loadTheme());
+
+    const setTheme = (value) => {
+        console.debug(`Changing theme to ${value}...`)
+        _setTheme(value)
+    }
+
+    const saveTheme = (value) => {
+        if(localStorage) {
+            console.debug(`Saving theme ${value} to localStorage...`)
+            localStorage.setItem("theme", value)
+        }
+        else {
+            console.warn(`Can't save theme; localStorage doesn't seem to be available...`)
+        }
+    }
+
+    const setAndSaveTheme = (value) => {
+        setTheme(value)
+        saveTheme(value)
+    }
+
+    return [theme, setAndSaveTheme]
+}
\ No newline at end of file