add: questions, requests

crates/core/src/database/requests.rs

@@ -0,0 +1,169 @@
+use super::*;
+use crate::cache::Cache;
+use crate::model::requests::ActionType;
+use crate::model::{Error, Result, requests::ActionRequest, auth::User, permissions::FinePermission};
+use crate::{execute, get, query_row, query_rows, params};
+
+#[cfg(feature = "sqlite")]
+use rusqlite::Row;
+
+#[cfg(feature = "postgres")]
+use tokio_postgres::Row;
+
+impl DataManager {
+    /// Get an [`ActionRequest`] from an SQL row.
+    pub(crate) fn get_request_from_row(
+        #[cfg(feature = "sqlite")] x: &Row<'_>,
+        #[cfg(feature = "postgres")] x: &Row,
+    ) -> ActionRequest {
+        ActionRequest {
+            id: get!(x->0(i64)) as usize,
+            created: get!(x->1(i64)) as usize,
+            owner: get!(x->2(i64)) as usize,
+            action_type: serde_json::from_str(&get!(x->3(String))).unwrap(),
+            linked_asset: get!(x->4(i64)) as usize,
+        }
+    }
+
+    pub async fn get_request_by_id_linked_asset(
+        &self,
+        id: usize,
+        linked_asset: usize,
+    ) -> Result<ActionRequest> {
+        if let Some(cached) = self
+            .2
+            .get(format!("atto.request:{}:{}", id, linked_asset))
+            .await
+        {
+            return Ok(serde_json::from_str(&cached).unwrap());
+        }
+
+        let conn = match self.connect().await {
+            Ok(c) => c,
+            Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
+        };
+
+        let res = query_row!(
+            &conn,
+            "SELECT * FROM requests WHERE id = $1 AND linked_asset = $2",
+            &[&(id as i64), &(linked_asset as i64)],
+            |x| { Ok(Self::get_request_from_row(x)) }
+        );
+
+        if res.is_err() {
+            return Err(Error::GeneralNotFound("request".to_string()));
+        }
+
+        let x = res.unwrap();
+        self.2
+            .set(
+                format!("atto.request:{}:{}", id, linked_asset),
+                serde_json::to_string(&x).unwrap(),
+            )
+            .await;
+
+        Ok(x)
+    }
+
+    /// Get all action requests by `owner`.
+    pub async fn get_requests_by_owner(&self, owner: usize) -> Result<Vec<ActionRequest>> {
+        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 requests WHERE owner = $1 ORDER BY created DESC",
+            &[&(owner as i64)],
+            |x| { Self::get_request_from_row(x) }
+        );
+
+        if res.is_err() {
+            return Err(Error::GeneralNotFound("request".to_string()));
+        }
+
+        Ok(res.unwrap())
+    }
+
+    /// Create a new request in the database.
+    ///
+    /// # Arguments
+    /// * `data` - a mock [`ActionRequest`] object to insert
+    pub async fn create_request(&self, data: ActionRequest) -> Result<()> {
+        let conn = match self.connect().await {
+            Ok(c) => c,
+            Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
+        };
+
+        let res = execute!(
+            &conn,
+            "INSERT INTO requests VALUES ($1, $2, $3, $4, $5)",
+            params![
+                &(data.id as i64),
+                &(data.created as i64),
+                &(data.owner as i64),
+                &serde_json::to_string(&data.action_type).unwrap().as_str(),
+                &(data.linked_asset as i64),
+            ]
+        );
+
+        if let Err(e) = res {
+            return Err(Error::DatabaseError(e.to_string()));
+        }
+
+        // incr request count
+        self.incr_user_request_count(data.owner).await.unwrap();
+
+        // return
+        Ok(())
+    }
+
+    pub async fn delete_request(&self, id: usize, linked_asset: usize, user: &User) -> Result<()> {
+        let y = self
+            .get_request_by_id_linked_asset(id, linked_asset)
+            .await?;
+
+        if user.id != y.owner && !user.permissions.check(FinePermission::MANAGE_REQUESTS) {
+            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 requests WHERE id = $1", &[&(id as i64)]);
+
+        if let Err(e) = res {
+            return Err(Error::DatabaseError(e.to_string()));
+        }
+
+        self.2.remove(format!("atto.request:{}", id)).await;
+
+        // decr request count
+        self.decr_user_request_count(y.owner).await.unwrap();
+
+        // return
+        Ok(())
+    }
+
+    pub async fn delete_all_requests(&self, user: &User) -> Result<()> {
+        let y = self.get_requests_by_owner(user.id).await?;
+
+        for x in y {
+            if user.id != x.owner && !user.permissions.check(FinePermission::MANAGE_REQUESTS) {
+                return Err(Error::NotAllowed);
+            }
+
+            self.delete_request(x.id, x.linked_asset, user).await?;
+
+            // delete question
+            if x.action_type == ActionType::Answer {
+                self.delete_question(x.linked_asset, user).await?;
+            }
+        }
+
+        Ok(())
+    }
+}