actually calculating and comparing data

src/compile_data.rs

@@ -22,12 +22,12 @@ pub enum DpsRole {
 pub struct JobStats {
     pub role: Role,
     pub is_blue_mage: bool,
-    pub level: u8,
-    pub starting_level: u8,
+    pub level: usize,
+    pub starting_level: usize,
     pub name: String,
 }
 
-fn get_starting_level(name: &str) -> anyhow::Result<u8> {
+fn get_starting_level(name: &str) -> anyhow::Result<usize> {
     match name {
         "Paladin" | "Warrior" | "Monk" | "Dragoon" | "Ninja" | "White Mage" | "Scholar"
         | "Black Mage" | "Bard" | "Summoner" | "Blue Mage" | "Carpenter" | "Blacksmith"

src/main.rs

@@ -1,7 +1,7 @@
 mod compile_data;
 mod raw_data;
 
-use crate::compile_data::JobStats;
+use crate::compile_data::{JobStats, Role};
 use crate::raw_data::RawJobStats;
 
 use std::fs::File;
@@ -14,9 +14,27 @@ fn get_job_stats(lodestone_id: usize) -> anyhow::Result<Vec<JobStats>> {
 }
 
 fn main() -> anyhow::Result<()> {
-    let stats = get_job_stats(29932586)?;
+    let id = 29932586;
+    let stats = get_job_stats(id)?;
 
-    println!("{stats:#?}");
+    let total_dowm_earned_levels = stats
+        .iter()
+        .filter(|j| matches!(j.role, Role::Tank | Role::Healer | Role::Dps(_)))
+        .filter(|j| j.name != "Scholar")
+        .fold(0usize, |acc, j| acc + j.level - j.starting_level);
+
+    println!("{total_dowm_earned_levels} levels for {id}");
+
+    let id = 44540671;
+    let stats = get_job_stats(id)?;
+
+    let total_dowm_earned_levels = stats
+        .iter()
+        .filter(|j| matches!(j.role, Role::Tank | Role::Healer | Role::Dps(_)))
+        .filter(|j| j.name != "Scholar")
+        .fold(0usize, |acc, j| acc + j.level - j.starting_level);
+
+    println!("{total_dowm_earned_levels} levels for {id}");
 
     Ok(())
 }

src/raw_data.rs

@@ -4,7 +4,7 @@ use serde::Deserialize;
 pub struct RawJobStats {
     // TODO: is specialized
     #[serde(rename = "Level")]
-    pub level: u8,
+    pub level: usize,
     /// I'm annoyed I need to parse this entire structure
     /// However the class/job dichotamy means the name
     ///     field in this parent struct is tainted