Add --print-config flag.

Fix typo in help message

Author: kajuburfi

src/main.rs

@@ -1,4 +1,6 @@
 // Author: Tejas Gudgunti
+/* TODO:
+*/
 
 //! This is one of my first rust projects, and is therefore not very idiomatic.
 //! The code contains lots of repetition, and other generally *bad* coding practices.
@@ -50,7 +52,7 @@ struct Cli {
     #[arg(long, groups = ["main", "yearmonth"])]
     gen_report: bool,
 
-    /// Opens the respective configuration file: ./jrnl/config.toml
+    /// Opens the configuration file: ~/.config/jrnl/config.toml
     #[arg(long, group = "main")]
     open_config: bool,
 
@@ -61,6 +63,10 @@ struct Cli {
     /// Provide a path to search for the directory `jrnl`.
     #[arg(short, long, default_missing_value=Some("."), num_args=0..=1)]
     path: Option<String>,
+
+    /// Print the current configuration
+    #[arg(long, group = "main")]
+    print_config: bool,
 }
 
 fn main() {
@@ -202,11 +208,16 @@ fn main() {
             .expect("Failed to execute process");
     }
 
+    if args.print_config {
+        println!("{}", read_config().0);
+    }
+
     if args_tag == ""
         && args_entry == ""
         && args_open_entry == ""
         && !args.gen_report
         && !args.open_config
+        && !args.print_config
         && args_search == ""
     {
         let today_date = today.format("%Y-%m-%d").to_string();

src/utils.rs

@@ -58,6 +58,38 @@ pub struct Config {
     pub approx_variation: u32,
 }
 
+impl std::fmt::Display for Config {
+    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+        let mut table = Table::new();
+        table
+            .load_preset(UTF8_FULL)
+            .apply_modifier(UTF8_ROUND_CORNERS)
+            .set_content_arrangement(ContentArrangement::Dynamic)
+            .set_header(vec!["Quantities".green(), "Value".green()]);
+        table.add_row(vec!["Add Weekday", &self.add_weekday.to_string()]);
+        table.add_row(vec!["Add Food Column", &self.add_food_column.to_string()]);
+        table.add_row(vec!["Add timestamp", &self.add_timestamp.to_string()]);
+        table.add_row(vec!["Default Editor", &self.editor.to_string()]);
+        table.add_row(vec!["Default Pager", &self.pager.to_string()]);
+        table.add_row(vec![
+            "Max rows to display for tags",
+            &self.max_rows.to_string(),
+        ]);
+        table.add_row(vec!["When to use pager", &self.when_pager.to_string()]);
+        table.add_row(vec!["Default path", &self.default_path.to_string()]);
+        table.add_row(vec![
+            "Approximation sensitivity ",
+            &self.approx_variation.to_string(),
+        ]);
+        write!(
+            f,
+            "{}\n{}",
+            "CONFIGURATION".cyan().bold().underline(),
+            table
+        )
+    }
+}
+
 /// Returns all headings(`# <stuff>`) and their corresponding line numbers
 /// as a tuple: (headings, corresponding_line_no)
 pub fn get_headings(filename: &str) -> (Vec<String>, Vec<u32>) {