Got it working

Cargo.lock

@@ -79,6 +79,8 @@ name = "clean_file"
 version = "0.8.2"
 dependencies = [
  "futures",
+ "serde",
+ "serde_json",
  "tempfile",
  "textsender_models",
  "tokio",

Cargo.toml

@@ -8,6 +8,8 @@ rust-version = "1.95"
 [dependencies]
 tokio = { version = "1.52.2", features = ["full"] }
 futures = { version = "0.3.32" }
+serde = { version = "1.0.228", features = ["derive"] }
+serde_json = { version = "1.0.149" }
 textsender_models = { git = "ssh://git@git.kundeng.us/phoenix/textsender-models.git", tag = "v0.2.5-v0.3.0-migrate-38dbcb09f7-111" }
 
 [dev-dependencies]

src/parser/mod.rs

@@ -1,4 +1,4 @@
-use std::io::{BufRead, BufReader};
+use std::io::{BufRead};
 
 pub const LETTERS: &str = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
 
@@ -41,6 +41,40 @@ impl NumberParser {
     }
 
     pub fn save_file(&self, numbers: Vec<textsender_models::contact::Contact>) {
+
+        // filename := "numbers.json"
+        let filename = String::from("numbers.json");
+
+        match serde_json::to_string(&numbers) {
+            Ok(json_string) => {
+                match std::fs::write(&filename, json_string) {
+                    Ok(_) => {
+                        println!("Saved to: {filename:?}");
+                    }
+                    Err(err) => {
+                        eprintln!("Error: {err:?}");
+                    }
+                }
+            }
+            Err(err) => {
+                eprintln!("Error: {err:?}");
+            }
+        };
+
+        // Create json and save it to the filesystem
+        /*
+        jsonData, err := json.MarshalIndent(&vals, "", "  ")
+        if err != nil {
+            log.Println("Error marshaling JSON:", err)
+            return
+        }
+
+        err = os.WriteFile(filename, jsonData, 0644)
+        if err != nil {
+            log.Println("Error writing file:", err)
+            return
+        }
+        */
     }
 
     pub fn print_values(&self, numbers: &Vec<textsender_models::contact::Contact>) {
@@ -150,23 +184,3 @@ impl NumberParser {
         parsed
     }
 }
-
-
-/*
-func (prsr NumberParser) SaveFile(vals []contact.Contact) {
-	filename := "numbers.json"
-
-	// Create json and save it to the filesystem
-	jsonData, err := json.MarshalIndent(&vals, "", "  ")
-	if err != nil {
-		log.Println("Error marshaling JSON:", err)
-		return
-	}
-
-	err = os.WriteFile(filename, jsonData, 0644)
-	if err != nil {
-		log.Println("Error writing file:", err)
-		return
-	}
-}
-*/