add: model

src/database/messages.rs

@@ -0,0 +1,99 @@
+use super::DataManager;
+use crate::model::Message;
+use oiseau::{PostgresRow, cache::Cache, execute, get, params};
+use tetratto_core::{
+    auto_method,
+    model::{Error, Result, auth::User},
+};
+
+impl DataManager {
+    /// Get a [`Message`] from an SQL row.
+    pub(crate) fn get_message_from_row(x: &PostgresRow) -> Message {
+        Message {
+            id: get!(x->0(i64)) as usize,
+            created: get!(x->1(i64)) as usize,
+            owner: get!(x->2(i64)) as usize,
+            chat: get!(x->3(i64)) as usize,
+            content: get!(x->4(String)),
+            uploads: serde_json::from_str(&get!(x->5(String))).unwrap(),
+        }
+    }
+
+    auto_method!(get_message_by_id(usize as i64)@get_message_from_row -> "SELECT * FROM t_messages WHERE id = $1" --name="message" --returns=Message --cache-key-tmpl="twny.message:{}");
+
+    /// Create a new message in the database.
+    ///
+    /// # Arguments
+    /// * `data` - a mock [`Message`] object to insert
+    pub async fn create_message(&self, data: Message) -> Result<Message> {
+        // check values
+        if data.content.trim().len() < 2 {
+            return Err(Error::DataTooShort("content".to_string()));
+        } else if data.content.len() > 2048 {
+            return Err(Error::DataTooLong("content".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 t_messages VALUES ($1, $2, $3, $4, $5, $6)",
+            params![
+                &(data.id as i64),
+                &(data.created as i64),
+                &(data.owner as i64),
+                &(data.chat as i64),
+                &data.content,
+                &serde_json::to_string(&data.uploads).unwrap(),
+            ]
+        );
+
+        if let Err(e) = res {
+            return Err(Error::DatabaseError(e.to_string()));
+        }
+
+        Ok(data)
+    }
+
+    /// Delete an existing message.
+    pub async fn delete_message(&self, id: usize, user: &User) -> Result<()> {
+        let message = self.get_message_by_id(id).await?;
+
+        if message.owner != user.id {
+            return Err(Error::NotAllowed);
+        }
+
+        // ...
+        let conn = match self.0.connect().await {
+            Ok(c) => c,
+            Err(e) => return Err(Error::DatabaseConnection(e.to_string())),
+        };
+
+        // delete message
+        let res = execute!(
+            &conn,
+            "DELETE FROM t_messages WHERE id = $1",
+            params![&(id as i64)]
+        );
+
+        if let Err(e) = res {
+            return Err(Error::DatabaseError(e.to_string()));
+        }
+
+        // delete uploads
+        for upload in message.uploads {
+            if let Err(e) = self.1.delete_upload(upload).await {
+                return Err(Error::MiscError(e.to_string()));
+            }
+        }
+
+        // ...
+        Ok(())
+    }
+
+    auto_method!(update_message_content(&str) -> "UPDATE t_messages SET content = $1 WHERE id = $2" --serde --cache-key-tmpl="twny.message:{}");
+}