Improve generated Excel file

moneymgr_backend/src/controllers/backup_controller.rs

@@ -16,7 +16,7 @@ use crate::services::{accounts_service, files_service, movements_service};
 use crate::utils::time_utils::{format_date, time};
 use actix_files::NamedFile;
 use actix_web::{HttpRequest, HttpResponse};
-use rust_xlsxwriter::{Color, Format, Workbook};
+use rust_xlsxwriter::{Color, Format, Formula, Table, Workbook};
 use serde::Serialize;
 use serde::de::DeserializeOwned;
 use std::collections::HashMap;
@@ -290,6 +290,23 @@ pub async fn xslx_export(auth: AuthExtractor) -> HttpResult {
             worksheet.write(idx as u32 + 1, 1, &movement.label)?;
             worksheet.write(idx as u32 + 1, 2, movement.amount)?;
         }
+
+        // Create table
+        let table = Table::new();
+        worksheet.add_table(0, 0, movements.len() as u32, 2, &table)?;
+
+        // Add total
+        worksheet.write_with_format(5, 5, "Total", &header_format)?;
+        worksheet.write_formula(
+            6,
+            5,
+            Formula::new(format!("SUM(C1,C{})", movements.len())).set_result(
+                movements
+                    .iter()
+                    .fold(0f32, |acc, m| acc + m.amount)
+                    .to_string(),
+            ),
+        )?;
     }
 
     // Save final Excel Document