add: channels/messages database functions

chore: bump contrasted

crates/core/src/database/channels.rs

@@ -0,0 +1,134 @@
+use super::*;
+use crate::cache::Cache;
+use crate::model::{
+    Error, Result, auth::User, permissions::FinePermission,
+    communities_permissions::CommunityPermission, channels::Channel,
+};
+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 [`Channel`] from an SQL row.
+    pub(crate) fn get_channel_from_row(
+        #[cfg(feature = "sqlite")] x: &Row<'_>,
+        #[cfg(feature = "postgres")] x: &Row,
+    ) -> Channel {
+        Channel {
+            id: get!(x->0(i64)) as usize,
+            community: get!(x->1(i64)) as usize,
+            owner: get!(x->2(i64)) as usize,
+            created: get!(x->3(i64)) as usize,
+            minimum_role_read: get!(x->4(i32)) as u32,
+            minimum_role_write: get!(x->5(i32)) as u32,
+            position: get!(x->6(i32)) as usize,
+        }
+    }
+
+    auto_method!(get_channel_by_id(usize)@get_channel_from_row -> "SELECT * FROM channels WHERE id = $1" --name="channel" --returns=Channel --cache-key-tmpl="atto.channel:{}");
+
+    /// Get all channels by user.
+    ///
+    /// # Arguments
+    /// * `community` - the ID of the community to fetch channels for
+    pub async fn get_channels_by_community(&self, community: usize) -> Result<Vec<Channel>> {
+        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 channels WHERE community = $1 ORDER BY position DESC",
+            &[&(community as i64)],
+            |x| { Self::get_channel_from_row(x) }
+        );
+
+        if res.is_err() {
+            return Err(Error::GeneralNotFound("channel".to_string()));
+        }
+
+        Ok(res.unwrap())
+    }
+
+    /// Create a new channel in the database.
+    ///
+    /// # Arguments
+    /// * `data` - a mock [`Channel`] object to insert
+    pub async fn create_channel(&self, data: Channel) -> Result<()> {
+        let user = self.get_user_by_id(data.owner).await?;
+
+        // check user permission in community
+        let membership = self
+            .get_membership_by_owner_community(user.id, data.community)
+            .await?;
+
+        if !membership.role.check(CommunityPermission::MANAGE_CHANNELS)
+            && !user.permissions.check(FinePermission::MANAGE_CHANNELS)
+        {
+            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,
+            "INSERT INTO channels VALUES ($1, $2, $3, $4, $5, $6, $7)",
+            params![
+                &(data.id as i64),
+                &(data.community as i64),
+                &(data.owner as i64),
+                &(data.created as i64),
+                &(data.minimum_role_read as i32),
+                &(data.minimum_role_write as i32),
+                &(data.position as i32)
+            ]
+        );
+
+        if let Err(e) = res {
+            return Err(Error::DatabaseError(e.to_string()));
+        }
+
+        Ok(())
+    }
+
+    pub async fn delete_channel(&self, id: usize, user: User) -> Result<()> {
+        let channel = self.get_channel_by_id(id).await?;
+
+        // check user permission in community
+        let membership = self
+            .get_membership_by_owner_community(user.id, channel.community)
+            .await?;
+
+        if !membership.role.check(CommunityPermission::MANAGE_CHANNELS) {
+            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 channels WHERE id = $1", &[&(id as i64)]);
+
+        if let Err(e) = res {
+            return Err(Error::DatabaseError(e.to_string()));
+        }
+
+        self.2.remove(format!("atto.channel:{}", id)).await;
+        Ok(())
+    }
+
+    auto_method!(update_channel_position(i32)@get_channel_by_id:MANAGE_COMMUNITIES -> "UPDATE channels SET position = $1 WHERE id = $2" --cache-key-tmpl="atto.channel:{}");
+    auto_method!(update_channel_minimum_role_read(i32)@get_channel_by_id:MANAGE_COMMUNITIES -> "UPDATE channels SET minimum_role_read = $1 WHERE id = $2" --cache-key-tmpl="atto.channel:{}");
+    auto_method!(update_channel_minimum_role_write(i32)@get_channel_by_id:MANAGE_COMMUNITIES -> "UPDATE channels SET minimum_role_write = $1 WHERE id = $2" --cache-key-tmpl="atto.channel:{}");
+}