better error handlingrefactor

1 files changed, 132 insertions, 0 deletions

diff --git a/src/errors.rs b/src/errors.rs
new file mode 100644
index 0000000..be2ca3c
--- /dev/null
+++ b/src/errors.rs
@@ -0,0 +1,132 @@
+use std::{io, num::TryFromIntError, time::SystemTimeError};
+
+use chrono::ParseError;
+use indicatif::style::TemplateError;
+use reqwest::StatusCode;
+
+use crate::db::DBError;
+
+pub type MLE<T> = Result<T, Error>;
+
+#[derive(Debug, thiserror::Error)]
+pub enum Error {
+    #[error("io: {source}")]
+    Io {
+        #[from]
+        source: io::Error,
+    },
+
+    #[error("tryfromint: {source}")]
+    TryFromInt {
+        #[from]
+        source: TryFromIntError,
+    },
+
+    #[error("serde_json: {source}")]
+    Json {
+        #[from]
+        source: serde_json::Error,
+    },
+
+    #[error("reqwest: {source}")]
+    Reqwest {
+        #[from]
+        source: reqwest::Error,
+    },
+
+    #[error("chrono parse error: {source}")]
+    ChronoParse {
+        #[from]
+        source: ParseError,
+    },
+
+    #[error("config: {source}")]
+    Config {
+        #[from]
+        source: config::ConfigError,
+    },
+
+    #[error("indicatif template: {source}")]
+    IndicatifTemplate {
+        #[from]
+        source: TemplateError,
+    },
+
+    #[error("toml: {source}")]
+    TomlSer {
+        #[from]
+        source: toml::ser::Error,
+    },
+
+    #[error("toml: {source}")]
+    TomlDeser {
+        #[from]
+        source: toml::de::Error,
+    },
+
+    #[error("systemtime: {source}")]
+    Systemtime {
+        #[from]
+        source: SystemTimeError,
+    },
+
+    #[error("conversion: {source}")]
+    Conversion {
+        #[from]
+        source: ConversionError,
+    },
+
+    #[error("Request didn't return 200 OK ({0})")]
+    RequestNotOK(StatusCode),
+
+    #[error("ModError ({0})")]
+    ModError(String),
+
+    #[error("No file extension where one should be")]
+    NoFileExtension,
+
+    #[error("Desired path not found")]
+    PathNotFound,
+
+    #[error("Desired system directory {0} not found")]
+    SysDirNotFound(String),
+
+    #[error("No requested Minecraft version found")]
+    MinecraftVersionNotFound,
+
+    #[error("Mod already added")]
+    ModAlreadyOnList,
+
+    #[error("No versions are applicable for the current scope")]
+    NoCurrentVersion,
+
+    #[error("The version does not know if it's locked or not")]
+    VersionSetNotSet,
+
+    #[error("No download for the current id found")]
+    NoDownload,
+
+    #[error("No ProjectInfo found / no id given")]
+    NoProjectInfo,
+
+    #[error("The requested List was not found")]
+    ListNotFound,
+
+    #[error("No download folder given")]
+    NoDownloadFolder,
+
+    #[error("db: {source}")]
+    DB {
+        #[from]
+        source: DBError,
+    },
+}
+
+#[derive(Debug, thiserror::Error)]
+pub enum ConversionError {
+    #[error("couldn't convert to Modloader from: {0}")]
+    Modloader(String),
+
+    #[error("Path couldn't be converted to string")]
+    InvalidPath,
+}