Added code to handle packaging

project/src/packager.rs

@@ -1,5 +1,9 @@
 // Libraries
-use std::io::Result;
+use std::fs::File;
+use std::io::{self, Result};
+
+use csv::{self, StringRecord};
+use walkdir::WalkDir;
 
 // Structures
 pub struct Packager {
@@ -18,7 +22,66 @@ impl Packager {
     }
 
     // Functions
+    fn read_csv(&self, path: &str) -> Result<Vec<StringRecord>> {
+        // Opening the File & Reading
+        let file = File::open(path)?;
+        let mut rdr = csv::Reader::from_reader(file);
+
+        // Creating a list of string records
+        let mut result: Vec<StringRecord> = Vec::new();
+
+        // Iterate through records
+        for record in rdr.records() {
+            result.push(record?);
+        }
+
+        // Ok!
+        Ok(result)
+    }
+    fn save(&self, records: Vec<StringRecord>) -> Result<()> {
+        // Writing to the path we want
+        let mut writer = csv::Writer::from_path(&self.file_out)?;
+
+        // Creating the Header
+        writer.write_record(&["Date", "Description", "Amount"])?;
+
+        // Adding all Records
+        for record in &records {
+            writer.write_record(record)?;
+        }
+
+        // Flushing!!
+        writer.flush()?;
+
+        // Ok!!
+        Ok(())
+    }
+
     pub fn start(&self) -> Result<()> {
+        // Holding all Records
+        let mut records: Vec<StringRecord> = Vec::new();
+
+        // Using WalkDir to go through the Directory
+        for entry in WalkDir::new(&self.directory) {
+            // Reference the Path
+            let entry = entry?;
+            let path = entry.path();
+
+            // Is it a file?
+            if !path.is_file() {
+                continue;
+            }
+
+            // Reading the CSV from the Path
+            let file = self.read_csv(path.to_str().unwrap())?;
+
+            // Adding it to the record list
+            records.extend(file);
+        }
+
+        // Saving the Records
+        self.save(records)?;
+
         // Ok!!
         Ok(())
     }