add: invite codes

crates/core/src/database/invite_codes.rs

@@ -0,0 +1,159 @@
+use oiseau::{cache::Cache, query_rows};
+use crate::model::{
+    Error, Result,
+    auth::{User, InviteCode},
+    permissions::FinePermission,
+};
+use crate::{auto_method, DataManager};
+use oiseau::{PostgresRow, execute, get, params};
+
+impl DataManager {
+    /// Get a [`InviteCode`] from an SQL row.
+    pub(crate) fn get_invite_code_from_row(x: &PostgresRow) -> InviteCode {
+        InviteCode {
+            id: get!(x->0(i64)) as usize,
+            created: get!(x->1(i64)) as usize,
+            owner: get!(x->2(i64)) as usize,
+            code: get!(x->3(String)),
+            is_used: get!(x->4(i32)) as i8 == 1,
+        }
+    }
+
+    auto_method!(get_invite_code_by_id()@get_invite_code_from_row -> "SELECT * FROM invite_codes WHERE id = $1" --name="invite_code" --returns=InviteCode --cache-key-tmpl="atto.invite_code:{}");
+    auto_method!(get_invite_code_by_code(&str)@get_invite_code_from_row -> "SELECT * FROM invite_codes WHERE code = $1" --name="invite_code" --returns=InviteCode);
+
+    /// Get invite_codes by `owner`.
+    pub async fn get_invite_codes_by_owner(&self, owner: usize) -> Result<Vec<InviteCode>> {
+        let conn = match self.0.connect().await {
+            Ok(c) => c,
+            Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
+        };
+
+        let res = query_rows!(
+            &conn,
+            "SELECT * FROM invite_codes WHERE owner = $1",
+            &[&(owner as i64)],
+            |x| { Self::get_invite_code_from_row(x) }
+        );
+
+        if res.is_err() {
+            return Err(Error::GeneralNotFound("invite_code".to_string()));
+        }
+
+        Ok(res.unwrap())
+    }
+
+    /// Fill a vector of invite codes with the user that used them.
+    pub async fn fill_invite_codes(
+        &self,
+        codes: Vec<InviteCode>,
+    ) -> Result<Vec<(Option<User>, InviteCode)>> {
+        let mut out = Vec::new();
+
+        for code in codes {
+            if code.is_used {
+                out.push((
+                    match self.get_user_by_invite_code(code.id as i64).await {
+                        Ok(u) => Some(u),
+                        Err(_) => None,
+                    },
+                    code,
+                ))
+            } else {
+                out.push((None, code))
+            }
+        }
+
+        Ok(out)
+    }
+
+    const MAXIMUM_SUPPORTER_INVITE_CODES: usize = 15;
+
+    /// Create a new invite_code in the database.
+    ///
+    /// # Arguments
+    /// * `data` - a mock [`InviteCode`] object to insert
+    pub async fn create_invite_code(&self, data: InviteCode, user: &User) -> Result<InviteCode> {
+        if !user.permissions.check(FinePermission::SUPPORTER) {
+            return Err(Error::RequiresSupporter);
+        } else {
+            // check count
+            if self.get_invite_codes_by_owner(user.id).await?.len()
+                >= Self::MAXIMUM_SUPPORTER_INVITE_CODES
+            {
+                return Err(Error::MiscError(
+                    "You already have the maximum number of invite codes you can create"
+                        .to_string(),
+                ));
+            }
+        }
+
+        let conn = match self.0.connect().await {
+            Ok(c) => c,
+            Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
+        };
+
+        let res = execute!(
+            &conn,
+            "INSERT INTO invite_codes VALUES ($1, $2, $3, $4, $5)",
+            params![
+                &(data.id as i64),
+                &(data.created as i64),
+                &(data.owner as i64),
+                &data.code,
+                &{ if data.is_used { 1 } else { 0 } }
+            ]
+        );
+
+        if let Err(e) = res {
+            return Err(Error::DatabaseError(e.to_string()));
+        }
+
+        Ok(data)
+    }
+
+    pub async fn delete_invite_code(&self, id: usize, user: &User) -> Result<()> {
+        if !user.permissions.check(FinePermission::MANAGE_INVITES) {
+            return Err(Error::NotAllowed);
+        }
+
+        let conn = match self.0.connect().await {
+            Ok(c) => c,
+            Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
+        };
+
+        let res = execute!(
+            &conn,
+            "DELETE FROM invite_codes WHERE id = $1",
+            &[&(id as i64)]
+        );
+
+        if let Err(e) = res {
+            return Err(Error::DatabaseError(e.to_string()));
+        }
+
+        self.0.1.remove(format!("atto.invite_code:{}", id)).await;
+
+        Ok(())
+    }
+
+    pub async fn update_invite_code_is_used(&self, id: usize, new_is_used: bool) -> Result<()> {
+        let conn = match self.0.connect().await {
+            Ok(c) => c,
+            Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
+        };
+
+        let res = execute!(
+            &conn,
+            "UPDATE invite_codes SET is_used = $1 WHERE id = $2",
+            params![&{ if new_is_used { 1 } else { 0 } }, &(id as i64)]
+        );
+
+        if let Err(e) = res {
+            return Err(Error::DatabaseError(e.to_string()));
+        }
+
+        self.0.1.remove(format!("atto.invite_code:{}", id)).await;
+        Ok(())
+    }
+}