resource opener in config

+ implement config field `pdf_opener` for setting app to open PDFs/Epubs
+ implement config field `url_opener` for setting app to open URLs/DOIs
+ function to select fallback if no field is provided in config

1 files changed, 22 insertions, 4 deletions

diff --git a/src/config.rs b/src/config.rs
index a80cc13..abb610b 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -17,33 +17,51 @@
 
 use std::path::PathBuf;
 
+use color_eyre::eyre::Result;
 use config::{ConfigError, FileFormat};
 use serde::Deserialize;
 
 use crate::cliargs::CLIArgs;
 
+/// Main struct of the config file. Contains substructs/headings in toml
 #[derive(Debug, Clone, Deserialize)]
 pub struct BibiConfig {
     pub general: General,
 }
 
+/// Substruct [general] in config.toml
 #[derive(Debug, Clone, Deserialize)]
 pub struct General {
-    pub bibfiles: Vec<PathBuf>,
+    pub bibfiles: Option<Vec<PathBuf>>,
     pub editor: Option<String>,
+    pub pdf_opener: Option<String>,
+    pub url_opener: Option<String>,
 }
 
 impl BibiConfig {
-    pub fn default(args: &CLIArgs) -> Self {
+    pub fn default() -> Self {
         Self {
             general: General {
-                bibfiles: args.pos_args.clone(),
+                bibfiles: None,
                 editor: None,
+                pdf_opener: None,
+                url_opener: None,
             },
         }
     }
 
-    pub fn new(args: &CLIArgs) -> Result<Self, ConfigError> {
+    pub fn new(args: &CLIArgs) -> Result<Self> {
+        // let mut cfg = config::Config::builder();
+        // cfg = cfg.add_source(
+        //     config::File::from(args.cfg_path.clone())
+        //         .format(FileFormat::Toml)
+        //         .required(false),
+        // );
+        // cfg.build()?.try_deserialize()
+        Ok(Self::parse_cfg_file(args)?)
+    }
+
+    fn parse_cfg_file(args: &CLIArgs) -> Result<Self, ConfigError> {
         let mut cfg = config::Config::builder();
         cfg = cfg.add_source(
             config::File::from(args.cfg_path.clone())