From 8a1aa398d9882726b99b825e9a68ae70718d9d06 Mon Sep 17 00:00:00 2001
From: Kostas Drakontidis <gedra100sh@gmail.com>
Date: Sat, 17 May 2025 10:32:33 +0300
Subject: [PATCH] Added error messages

---
 src/javascript/add.js   | 4 ++++
 src/javascript/edit.js  | 6 ++++++
 src/javascript/error.js | 6 +++++-
 src/javascript/index.js | 6 +++++-
 4 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/src/javascript/add.js b/src/javascript/add.js
index 1f5fa27..7573be2 100644
--- a/src/javascript/add.js
+++ b/src/javascript/add.js
@@ -31,14 +31,18 @@ commit.ondblclick = async function () {
                 }
             });
             if (!response.ok) {
+                alert(`Add unsuccessful. ${response.status}`);
                 throw new Error(`Response status: ${response.status}`);
             } else {
                 this.style.backgroundColor = "blue";
                 window.location.href = "/app";
             }
         } catch (error) {
+            alert(`Add unsuccessful. ${error.message}`);
             console.error(error.message);
         }
+    } else {
+        alert("Sensor name can't be null.");
     }
 };
 
diff --git a/src/javascript/edit.js b/src/javascript/edit.js
index c023d9e..707fa39 100644
--- a/src/javascript/edit.js
+++ b/src/javascript/edit.js
@@ -28,11 +28,13 @@ setEventListeners(remove, async () => {
             method: "DELETE"
         });
         if (!response.ok) {
+            alert(`Remove unsuccessful. ${response.status}`);
             throw new Error(`Response status: ${response.status}`);
         } else {
             window.location.href = "/app";
         }
     } catch (error) {
+        alert(`Remove unsuccessful. ${error.message}`);
         console.error(error.message);
     }
 });
@@ -56,13 +58,17 @@ setEventListeners(commit, async () => {
                 }
             });
             if (!response.ok) {
+                alert(`Edit unsuccessful. ${response.status}`);
                 throw new Error(`Response status: ${response.status}`);
             } else {
                 window.location.href = "/app";
             }
         } catch (error) {
+            alert(`Edit unsuccessful. ${error.message}`);
             console.error(error.message);
         }
+    } else {
+        alert("Nothing to commit.");
     }
 });
 
diff --git a/src/javascript/error.js b/src/javascript/error.js
index bb15eed..5ea99ba 100644
--- a/src/javascript/error.js
+++ b/src/javascript/error.js
@@ -28,7 +28,11 @@ setEventListeners(upload, async () => {
             method: 'POST',
             body: formData
         }).then((response) => {
-            location.reload();
+            if (!response.ok) {
+                alert(`Upload unsuccessful. ${response.status}`);
+            } else {
+                location.reload();
+            }
         });
     }
     const onSelectFile = () => upload(input.files[0]);
diff --git a/src/javascript/index.js b/src/javascript/index.js
index 889e85e..c7aebf1 100644
--- a/src/javascript/index.js
+++ b/src/javascript/index.js
@@ -32,7 +32,11 @@ setEventListeners(upload, async () => {
             method: 'POST',
             body: formData
         }).then((response) => {
-            location.reload();
+            if (!response.ok) {
+                alert(`Upload unsuccessful. ${response.status}`);
+            } else {
+                location.reload();
+            }
         });
     }
     const onSelectFile = () => upload(input.files[0]);