feat: returns the user details on successful account modification

Closes #8

README.md

@@ -28,6 +28,20 @@ Fields:
 }
 ```
 
+Success:  
+Each value is either a string or ``null``.
+```json
+{
+  "result": "success",
+  "success": {
+    "cn": "Firstname Surname",
+    "mail": "Email address",
+    "skDiscord": null, 
+    "sshPublicKey": "ssh key"
+  }
+}
+```
+
 Changing ``userPassword`` requires the existing password in teh apssword field and the new one in teh value field.
 
 ### POST /ldap/new

src/methods/account_update.rs

@@ -1,8 +1,8 @@
 use crate::State;
 use ldap3::{exop::PasswordModify, LdapConn, Mod, Scope, SearchEntry};
-use std::collections::HashSet;
+use std::collections::{HashMap, HashSet};
 use tide::{
-    prelude::{json, Deserialize},
+    prelude::{json, Deserialize, Serialize},
     Request,
 };
 
@@ -14,6 +14,16 @@ pub struct LdapUpdate {
     value: String,
 }
 
+#[derive(Debug, Serialize)]
+pub struct ModifyResult {
+    mail: Option<String>,
+    #[serde(rename = "sshPublicKey")]
+    ssh_public_key: Option<String>,
+    cn: Option<String>,
+    #[serde(rename = "skDiscord")]
+    sk_discord: Option<String>,
+}
+
 /// Handles updating a single field with the users own password
 pub async fn post_update_ldap(mut req: Request<State>) -> tide::Result {
     let LdapUpdate {
@@ -80,7 +90,41 @@ pub async fn post_update_ldap(mut req: Request<State>) -> tide::Result {
         ldap.extended(tmp)?.success()?;
     };
 
+    let result = get_result(&mut ldap, &dn);
+
     ldap.unbind()?;
 
-    Ok(json!({"result": "success"}).into())
+    Ok(json!({"result": "success", "success": result}).into())
+}
+
+fn get_result(ldap: &mut LdapConn, dn: &str) -> ModifyResult {
+    let mut result = ModifyResult {
+        mail: None,
+        ssh_public_key: None,
+        cn: None,
+        sk_discord: None,
+    };
+
+    if let Ok(temp) = ldap.search(dn, Scope::Base, "(objectClass=*)", vec!["mail", "sshPublicKey", "cn", "skDiscord"]) {
+        if let Ok((rs, _res)) = temp.success() {
+            if !rs.is_empty() {
+                let tmp = SearchEntry::construct(rs[0].clone());
+                result.mail = get_result_values(&tmp.attrs, "mail");
+                result.ssh_public_key = get_result_values(&tmp.attrs, "sshPublicKey");
+                result.cn = get_result_values(&tmp.attrs, "cn");
+                result.sk_discord = get_result_values(&tmp.attrs, "skDiscord");
+            }
+        }
+    }
+
+    result
+}
+
+fn get_result_values(attrs: &HashMap<String, Vec<String>>, field: &str) -> Option<String> {
+    if let Some(field) = attrs.get(field) {
+        if !field.is_empty() {
+            return Some(field[0].clone());
+        }
+    }
+    None
 }