add: user stacks

crates/core/src/database/stacks.rs

@@ -0,0 +1,133 @@
+use super::*;
+use crate::cache::Cache;
+use crate::model::{
+    Error, Result,
+    auth::User,
+    permissions::FinePermission,
+    stacks::{StackPrivacy, UserStack},
+};
+use crate::{auto_method, execute, get, query_row, query_rows, params};
+
+#[cfg(feature = "sqlite")]
+use rusqlite::Row;
+
+#[cfg(feature = "postgres")]
+use tokio_postgres::Row;
+
+impl DataManager {
+    /// Get a [`UserStack`] from an SQL row.
+    pub(crate) fn get_stack_from_row(
+        #[cfg(feature = "sqlite")] x: &Row<'_>,
+        #[cfg(feature = "postgres")] x: &Row,
+    ) -> UserStack {
+        UserStack {
+            id: get!(x->0(i64)) as usize,
+            created: get!(x->1(i64)) as usize,
+            owner: get!(x->2(i64)) as usize,
+            name: get!(x->3(String)),
+            users: serde_json::from_str(&get!(x->4(String))).unwrap(),
+            privacy: serde_json::from_str(&get!(x->5(String))).unwrap(),
+        }
+    }
+
+    auto_method!(get_stack_by_id(usize as i64)@get_stack_from_row -> "SELECT * FROM stacks WHERE id = $1" --name="stack" --returns=UserStack --cache-key-tmpl="atto.stack:{}");
+
+    /// Get all stacks by user.
+    ///
+    /// # Arguments
+    /// * `id` - the ID of the user to fetch stacks for
+    pub async fn get_stacks_by_owner(&self, id: usize) -> Result<Vec<UserStack>> {
+        let conn = match self.connect().await {
+            Ok(c) => c,
+            Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
+        };
+
+        let res = query_rows!(
+            &conn,
+            "SELECT * FROM stacks WHERE owner = $1 ORDER BY name ASC",
+            &[&(id as i64)],
+            |x| { Self::get_stack_from_row(x) }
+        );
+
+        if res.is_err() {
+            return Err(Error::GeneralNotFound("stack".to_string()));
+        }
+
+        Ok(res.unwrap())
+    }
+
+    /// Create a new stack in the database.
+    ///
+    /// # Arguments
+    /// * `data` - a mock [`UserStack`] object to insert
+    pub async fn create_stack(&self, data: UserStack) -> Result<UserStack> {
+        // check number of stacks
+        let owner = self.get_user_by_id(data.owner).await?;
+
+        if !owner.permissions.check(FinePermission::SUPPORTER) {
+            let stacks = self.get_stacks_by_owner(data.owner).await?;
+            let maximum_count = 5;
+
+            if stacks.len() >= maximum_count {
+                return Err(Error::MiscError(
+                    "You already have the maximum number of stacks you can have".to_string(),
+                ));
+            }
+        }
+
+        // ...
+        let conn = match self.connect().await {
+            Ok(c) => c,
+            Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
+        };
+
+        let res = execute!(
+            &conn,
+            "INSERT INTO stacks VALUES ($1, $2, $3, $4, $5, $6)",
+            params![
+                &(data.id as i64),
+                &(data.created as i64),
+                &(data.owner as i64),
+                &data.name,
+                &serde_json::to_string(&data.users).unwrap(),
+                &serde_json::to_string(&data.privacy).unwrap(),
+            ]
+        );
+
+        if let Err(e) = res {
+            return Err(Error::DatabaseError(e.to_string()));
+        }
+
+        Ok(data)
+    }
+
+    pub async fn delete_stack(&self, id: usize, user: &User) -> Result<()> {
+        let stack = self.get_stack_by_id(id).await?;
+
+        // check user permission
+        if user.id != stack.owner {
+            if !user.permissions.check(FinePermission::MANAGE_STACKS) {
+                return Err(Error::NotAllowed);
+            }
+        }
+
+        // ...
+        let conn = match self.connect().await {
+            Ok(c) => c,
+            Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
+        };
+
+        let res = execute!(&conn, "DELETE FROM stacks WHERE id = $1", &[&(id as i64)]);
+
+        if let Err(e) = res {
+            return Err(Error::DatabaseError(e.to_string()));
+        }
+
+        self.2.remove(format!("atto.stack:{}", id)).await;
+        Ok(())
+    }
+
+    auto_method!(update_stack_name(&str)@get_stack_by_id:MANAGE_STACKS -> "UPDATE stacks SET name = $1 WHERE id = $2" --cache-key-tmpl="atto.stack:{}");
+    auto_method!(update_stack_privacy(StackPrivacy)@get_stack_by_id:MANAGE_STACKS -> "UPDATE stacks SET privacy = $1 WHERE id = $2" --serde --cache-key-tmpl="atto.stack:{}");
+    auto_method!(update_stack_users(Vec<usize>)@get_stack_by_id:MANAGE_STACKS -> "UPDATE stacks SET users = $1 WHERE id = $2" --serde --cache-key-tmpl="atto.stack:{}");
+}