add: journals/notes database interfaces

crates/core/src/database/journals.rs

@@ -0,0 +1,141 @@
+use oiseau::cache::Cache;
+use crate::{
+    model::{
+        auth::User,
+        permissions::FinePermission,
+        journals::{Journal, JournalViewPermission},
+        Error, Result,
+    },
+};
+use crate::{auto_method, DataManager};
+use oiseau::{PostgresRow, execute, get, query_rows, params};
+
+impl DataManager {
+    /// Get a [`Journal`] from an SQL row.
+    pub(crate) fn get_journal_from_row(x: &PostgresRow) -> Journal {
+        Journal {
+            id: get!(x->0(i64)) as usize,
+            created: get!(x->1(i64)) as usize,
+            owner: get!(x->2(i64)) as usize,
+            title: get!(x->3(String)),
+            view: serde_json::from_str(&get!(x->4(String))).unwrap(),
+        }
+    }
+
+    auto_method!(get_journal_by_id(usize as i64)@get_journal_from_row -> "SELECT * FROM journals WHERE id = $1" --name="journal" --returns=Journal --cache-key-tmpl="atto.journal:{}");
+
+    /// Get all journals by user.
+    ///
+    /// # Arguments
+    /// * `id` - the ID of the user to fetch journals for
+    pub async fn get_journals_by_user(&self, id: usize) -> Result<Vec<Journal>> {
+        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 journals WHERE owner = $1 ORDER BY name ASC",
+            &[&(id as i64)],
+            |x| { Self::get_journal_from_row(x) }
+        );
+
+        if res.is_err() {
+            return Err(Error::GeneralNotFound("journal".to_string()));
+        }
+
+        Ok(res.unwrap())
+    }
+
+    const MAXIMUM_FREE_JOURNALS: usize = 15;
+
+    /// Create a new journal in the database.
+    ///
+    /// # Arguments
+    /// * `data` - a mock [`Journal`] object to insert
+    pub async fn create_journal(&self, data: Journal) -> Result<Journal> {
+        // check values
+        if data.title.len() < 2 {
+            return Err(Error::DataTooShort("title".to_string()));
+        } else if data.title.len() > 32 {
+            return Err(Error::DataTooLong("title".to_string()));
+        }
+
+        // check number of journals
+        let owner = self.get_user_by_id(data.owner).await?;
+
+        if !owner.permissions.check(FinePermission::SUPPORTER) {
+            let journals = self.get_journals_by_user(data.owner).await?;
+
+            if journals.len() >= Self::MAXIMUM_FREE_JOURNALS {
+                return Err(Error::MiscError(
+                    "You already have the maximum number of journals you can have".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 journals VALUES ($1, $2, $3, $4, $5)",
+            params![
+                &(data.id as i64),
+                &(data.created as i64),
+                &(data.owner as i64),
+                &data.title,
+                &serde_json::to_string(&data.view).unwrap(),
+            ]
+        );
+
+        if let Err(e) = res {
+            return Err(Error::DatabaseError(e.to_string()));
+        }
+
+        Ok(data)
+    }
+
+    pub async fn delete_journal(&self, id: usize, user: &User) -> Result<()> {
+        let journal = self.get_journal_by_id(id).await?;
+
+        // check user permission
+        if user.id != journal.owner && !user.permissions.check(FinePermission::MANAGE_JOURNALS) {
+            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 journals WHERE id = $1", &[&(id as i64)]);
+
+        if let Err(e) = res {
+            return Err(Error::DatabaseError(e.to_string()));
+        }
+
+        // delete notes
+        let res = execute!(
+            &conn,
+            "DELETE FROM notes WHERE journal = $1",
+            &[&(id as i64)]
+        );
+
+        if let Err(e) = res {
+            return Err(Error::DatabaseError(e.to_string()));
+        }
+
+        // ...
+        self.0.1.remove(format!("atto.journal:{}", id)).await;
+        Ok(())
+    }
+
+    auto_method!(update_journal_title(&str)@get_journal_by_id:MANAGE_JOURNALS -> "UPDATE journals SET title = $1 WHERE id = $2" --cache-key-tmpl="atto.journal:{}");
+    auto_method!(update_journal_view(JournalViewPermission)@get_journal_by_id:MANAGE_JOURNALS -> "UPDATE journals SET privacy = $1 WHERE id = $2" --serde --cache-key-tmpl="atto.journal:{}");
+}