1 files changed, 96 insertions, 0 deletions

diff --git a/src/student.rs b/src/student.rs
new file mode 100644
index 0000000..4b7acf1
--- /dev/null
+++ b/src/student.rs
@@ -0,0 +1,96 @@
+use crate::Fingerprint;
+use lazy_static::lazy_static;
+use serde::{Deserialize, Serialize};
+use std::{collections::HashSet, fmt};
+
+#[derive(Debug, Serialize, Deserialize, PartialEq)]
+pub struct UserAtRest {
+    pub fingerprint: Fingerprint,
+    pub user: User,
+}
+
+/// A Student
+///
+/// - [`user_id`]: Can only be one of the preapproved students (who are enlisted in the course)
+/// - [`public_key`]: A PEM format public key "---- BEGIN" and all
+/// - [`balance`]: User's current Gradecoin amount
+///
+/// This should ideally include the fingerprint as well?
+#[derive(Serialize, Deserialize, Debug, PartialEq)]
+pub struct User {
+    pub user_id: MetuId,
+    pub public_key: String,
+    pub balance: u16,
+    #[serde(skip, default = "bool::default")]
+    pub is_bot: bool,
+}
+
+/// The values are hard coded in [`static@OUR_STUDENTS`] so `MetuId::new`() can accept/reject values based on that
+#[derive(Serialize, Deserialize, Debug, PartialEq, Clone)]
+pub struct MetuId {
+    id: String,
+    passwd: String,
+}
+
+impl fmt::Display for MetuId {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{}", self.id)
+    }
+}
+
+impl MetuId {
+    pub fn new(id: String, pwd: String) -> Option<Self> {
+        if OUR_STUDENTS.contains(&(&*id, &*pwd)) {
+            Some(MetuId { id, passwd: pwd })
+        } else {
+            None
+        }
+    }
+}
+
+// TODO: remove this, read from a yaml or something, then MetuId::new gets a self <11-04-22, yigit> //
+
+// Students who are authorized to have Gradecoin accounts
+lazy_static! {
+    static ref OUR_STUDENTS: HashSet<(&'static str, &'static str)> = {
+        [
+            ("e254275", "DtNX1qk4YF4saRH"),
+            ("e223687", "cvFEs4XLjuGBD1v"),
+            ("e211024", "voQAcxiKJmEXYRT"),
+            ("e209888", "O75dli6AQtz2tUi"),
+            ("e223725", "xXuTD3Y4tyrv2Jz"),
+            ("e209362", "N7wGm5XU5zVWOWu"),
+            ("e209898", "aKBFfB8fZMq8pVn"),
+            ("e230995", "TgcHGlqeFhQGx42"),
+            ("e223743", "YVWVSWuIHplJk9C"),
+            ("e223747", "8LAeHrsjnwXh59Q"),
+            ("e223749", "HMFeJqVOzwCPHbc"),
+            ("e223751", "NjMsxmtmy2VOwMW"),
+            ("e188126", "QibuPdV2gXfsVJW"),
+            ("e209913", "kMxJvl2vHSWCy4A"),
+            ("e203608", "mfkkR0MWurk6Rp1"),
+            ("e233013", "GCqHxdOaDj2pWXx"),
+            ("e216982", "2Z0xmgCStnj5qg5"),
+            ("e217185", "BcaZNlzlhPph7A3"),
+            ("e223780", "2KvVxKUQaA9H4sn"),
+            ("e194931", "hsC0Wb8PQ5vzwdQ"),
+            ("e223783", "ETUJA3kt1QYvJai"),
+            ("e254550", "rPRjX0A4NefvKWi"),
+            ("e217203", "lN3IWhGyCrGfkk5"),
+            ("e217477", "O9xlMaa7LanC82w"),
+            ("e223786", "UxI6czykJfp9T9N"),
+            ("e231060", "VJgziofQQPCoisH"),
+            ("e223795", "pmcTCKox99NFsqp"),
+            ("e223715", "1H5QuOYI1b2r9ET"),
+            ("e181932", "THANKYOUHAVEFUN"),
+            ("bank", "P7oxDm30g1jeIId"),
+            ("friend_1", "not_used"),
+            ("friend_2", "not_used"),
+            ("friend_3", "not_used"),
+            ("friend_4", "not_used"),
+        ]
+        .iter()
+        .copied()
+        .collect()
+    };
+}