- Created library directory with exception check.

- Added page display for TUI

src/main.rs

@@ -4,23 +4,36 @@ Language: Rustc 1.71.0
 ide: CLion
 Operating system: Fedora 38/WSL
 Purpose: TUI-based ereader and library manager for Linux terminal environments.
-Last edited: 7/24/23
+Last edited: 7/27/23
 */
-//this is a test change to see if gitea is accepting pushes.
+
 
 mod html_module;
 
-
 use epub::doc::EpubDoc; //library for navigating epubs
-use std::env;
+use std::*;
+use std::path::Path;
 use std::process::exit;
 use tuikit::term::{Term, TermHeight};
 use tuikit::prelude::*;
 
+//this function will determine if Bibliofile has been opened before. If it has not, it will create a library folder under /opt/bibliofile.
+fn library_exists(){
+
+
+    //if /var/lib/bibliofile/library does not exist, create it.
+    let mut library_exist_var = Path::exists("/var/lib/bibliofile/library".as_ref());
+    println!("{}", library_exist_var);
+    if library_exist_var == false{
+        fs::create_dir_all("/var/lib/bibliofile/library").expect("Error...could not create library. If this is your first time running Bibliofile, try running with sudo.");
+    }
+
+}
 
 //initial function. Reads the ebook passed by argument.
 //TODO: add visual library to pull up ebooks.
 fn main() {
+    library_exists();
     if env::args().len() == 1 {
         println!("you need to enter a book. Closing program.");
     }
@@ -44,8 +57,8 @@ fn epub_func(epub_file: &str){
 
     let term: Term<()> = Term::with_height(TermHeight::Percent(90)).unwrap();
     let _ = term.clear();
-    let _ = term.print(0, 0, "Hello world!");
+
-    let _ = term.present();
+
 
 
 
@@ -53,7 +66,7 @@ fn epub_func(epub_file: &str){
 
 
     let mut page_num = 1;
-    let is_reading = true;
+
     //If letter q pressed, closes program.
     while let Ok(ev) = term.poll_event() {
         let _ = term.clear();
@@ -62,15 +75,15 @@ fn epub_func(epub_file: &str){
             _ => {}
         }
 
-        /*    while is_reading == true {
+
 
         doc.set_current_page(page_num);
 
         let content = doc.get_current_str();
         let str_content = content.unwrap();
         let text = html_module::main(str_content.0);
-
+        let _ = term.print(0, 0, &*text);
-    }*/
+        let _ = term.present();
     }
 }