improve displaying messages with tabs and newlines

src/logfile/logline.rs

@@ -173,9 +173,9 @@ impl<'a> LogLine<'a> {
             Cow::Owned(format!(
                 "{}{}{}({}) - {} line {}",
                 if self.message.starts_with("Exception thrown:") {
-                    ""
+                    Cow::Borrowed("")
                 } else {
-                    &self.message
+                    self.cleaned_message_single_line()
                 },
                 if self.message.starts_with("Exception thrown:") {
                     ""
@@ -188,7 +188,7 @@ impl<'a> LogLine<'a> {
                 exception.line
             ))
         } else {
-            Cow::Borrowed(&self.message)
+            self.cleaned_message_single_line()
         }
     }
 
@@ -212,6 +212,26 @@ impl<'a> LogLine<'a> {
                 || filter_part.is_match(self.user.as_str())
         })
     }
+
+    pub fn cleaned_message(&self) -> Cow<str> {
+        clean_log_message(&self.message)
+    }
+
+    pub fn cleaned_message_single_line(&self) -> Cow<str> {
+        if self.message.contains('\t') || self.message.contains('\n') {
+            Cow::Owned(self.message.replace(['\t', '\n'], " "))
+        } else {
+            Cow::Borrowed(self.message.as_ref())
+        }
+    }
+}
+
+fn clean_log_message(message: &str) -> Cow<str> {
+    if message.contains('\t') {
+        Cow::Owned(message.replace('\t', "    "))
+    } else {
+        Cow::Borrowed(message)
+    }
 }
 
 #[derive(
@@ -279,6 +299,10 @@ impl FullLogLine {
             .map(|(key, value)| (key.as_str(), value.as_str()))
             .filter(|(key, _)| *key != "app")
     }
+
+    pub fn cleaned_message(&self) -> Cow<str> {
+        clean_log_message(&self.message)
+    }
 }
 
 #[derive(Deserialize, Debug, Clone)]

src/ui/distinct_logs.rs

@@ -52,7 +52,7 @@ impl StatefulWidget for DistinctLogs<'_> {
                     .map(|e| e.exception.as_ref())
                     .unwrap_or_default(),
                 if line.exception.is_some() { ":\n" } else { "" },
-                line.message,
+                line.cleaned_message(),
                 line.level.as_str(),
                 line.app,
                 line.version,
@@ -143,7 +143,7 @@ fn log_row<'a>(line: &'a LogLine<'a>, grouping: DistinctLogGrouping, is_in_view:
             DistinctLogGrouping::Request => Row::new([
                 Text::from(line.level.as_str()),
                 Text::from(line.app.as_ref()),
-                Text::from(line.message.as_ref()),
+                Text::from(line.cleaned_message_single_line()),
                 Text::from(""),
                 Text::from(format_time(line.time)).alignment(Alignment::Right),
             ]),

src/ui/single_log.rs

@@ -42,7 +42,7 @@ impl StatefulWidget for SingleLog<'_> {
         let line = self.line;
         let par = Paragraph::new(format!(
             "{}\n\n  {} {}\n  {}\n\n  {} from {} by {} at {} - Nextcloud {}",
-            line.message,
+            line.cleaned_message(),
             line.method,
             line.url,
             line.user_agent,