init commit

src/app_error.rs

@@ -0,0 +1,45 @@
+use core::fmt;
+use tracing::error;
+
+use crate::app_data::DockerControls;
+
+/// app errors to set in global state
+#[allow(unused)]
+#[derive(Debug, Clone)]
+pub enum AppError {
+    DockerConnect,
+    DockerInterval,
+    InputPoll,
+    DockerCommand(DockerControls),
+    Terminal,
+}
+
+impl AppError {
+    /// for handling errors from terminal
+    pub fn disp(&self) {
+        match self {
+            Self::DockerConnect => error!("Unable to access docker daemon"),
+            Self::DockerInterval => error!("Docker update interval needs to be greater than 0"),
+            Self::InputPoll => error!("Unable to poll user input"),
+            Self::Terminal => error!("Unable to draw to terminal"),
+            Self::DockerCommand(s) => {
+                let error = format!("Unable to {} container", s);
+                error!(%error);
+            }
+        }
+    }
+}
+
+/// Convert errors into strings to display
+impl fmt::Display for AppError {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        let disp = match self {
+            Self::DockerConnect => "Unable to access docker daemon".to_owned(),
+            Self::DockerInterval => "Docker update interval needs to be greater than 0".to_owned(),
+            Self::InputPoll => "Unable to poll user input".to_owned(),
+            Self::Terminal => "Unable to draw to terminal".to_owned(),
+            Self::DockerCommand(s) => format!("Unable to {} container", s),
+        };
+        write!(f, "{}", disp)
+    }
+}