initial commit

src/error.rs

@@ -0,0 +1,33 @@
+#[derive(Debug)]
+/// Convert different errors into a common one.
+pub enum EcloadError {
+    Error(String),
+    StdError(std::io::Error),
+    ReqwestError(reqwest::Error),
+    PrintPdfError(printpdf::Error),
+    ImageError(image::ImageError),
+}
+
+impl From<std::io::Error> for EcloadError {
+    fn from(e: std::io::Error) -> Self {
+        EcloadError::StdError(e)
+    }
+}
+
+impl From<reqwest::Error> for EcloadError {
+    fn from(e: reqwest::Error) -> Self {
+        EcloadError::ReqwestError(e)
+    }
+}
+
+impl From<printpdf::Error> for EcloadError {
+    fn from(e: printpdf::Error) -> Self {
+        EcloadError::PrintPdfError(e)
+    }
+}
+
+impl From<image::ImageError> for EcloadError {
+    fn from(e: image::ImageError) -> Self {
+        EcloadError::ImageError(e)
+    }
+}