From 9126d1311b3de719d866c1b149b73addb49965eb Mon Sep 17 00:00:00 2001
From: Florian Briand <florian.briand@digital-engine.info>
Date: Fri, 2 Aug 2024 23:02:21 +0200
Subject: [PATCH] feat: add a field.id

---
 crates/sesam-vitale/src/cps.rs        | 4 ++--
 crates/sesam-vitale/src/ssv_memory.rs | 7 ++++++-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/crates/sesam-vitale/src/cps.rs b/crates/sesam-vitale/src/cps.rs
index abd43eb..b9025f9 100644
--- a/crates/sesam-vitale/src/cps.rs
+++ b/crates/sesam-vitale/src/cps.rs
@@ -82,8 +82,8 @@ pub fn lire_carte(code_pin: &str, lecteur: &str) -> Result<CartePS, String> {
 fn decode_carte_ps(groups: Vec<Block>) -> Result<CartePS, String> {
     let mut carte_ps = CartePS::default();
     for group in groups {
-        for (field_index, field) in group.content.iter().enumerate() {
-            match (group.id, field_index + 1) {
+        for field in group.content {
+            match (group.id, field.id) {
                 (1, 1) => {
                     carte_ps.titulaire.type_de_carte_ps =
                         String::from_utf8_lossy(field.content).to_string();
diff --git a/crates/sesam-vitale/src/ssv_memory.rs b/crates/sesam-vitale/src/ssv_memory.rs
index cfd1e68..fba08af 100644
--- a/crates/sesam-vitale/src/ssv_memory.rs
+++ b/crates/sesam-vitale/src/ssv_memory.rs
@@ -68,9 +68,12 @@ impl<'a> From<&'a [u8]> for Block<'a> {
         let mut field_offset = 0;
         // While there is still content to read, parse Fields
         let mut content = Vec::new();
+        let mut field_id = 1;
         while field_offset < block_size {
-            let field: Field<'a> = raw_content[field_offset..].into();
+            let mut field: Field<'a> = raw_content[field_offset..].into();
+            field.id = field_id;
             field_offset += field.size;
+            field_id += 1;
             content.push(field);
         }
         Block {
@@ -83,6 +86,7 @@ impl<'a> From<&'a [u8]> for Block<'a> {
 
 #[derive(Debug)]
 pub struct Field<'a> {
+    pub id: u16,
     pub size: usize,
     pub content: &'a [u8],
 }
@@ -92,6 +96,7 @@ impl<'a> From<&'a [u8]> for Field<'a> {
         let ElementSize { size, pad } = bytes.try_into().unwrap();
         let contenu = &bytes[pad..pad + size];
         Field {
+            id: 0,
             size: pad + size,
             content: contenu,
         }