feature: add command to query tasks

src/sql.rs

@@ -1,94 +0,0 @@
-use crate::Error;
-use directories::ProjectDirs;
-use serde::Serialize;
-use sqlx::sqlite::{SqliteConnectOptions, SqliteJournalMode};
-use sqlx::{QueryBuilder, Sqlite, SqlitePool};
-use tokio::fs;
-use tracing::{info, instrument};
-
-static SQLITE_BIND_LIMIT: usize = 32766;
-
-#[derive(sqlx::Type)]
-#[repr(u8)]
-pub enum TaskStatus {
-    Pending = 1,
-    InProgress = 2,
-    Completed = 3,
-    Failed = 4,
-}
-
-pub trait TaskPayload {
-    fn get_key(&self) -> String;
-}
-
-#[derive(Debug)]
-pub struct TaskManager {
-    pool: SqlitePool,
-}
-
-impl TaskManager {
-    pub async fn new() -> Result<TaskManager, Error> {
-        Ok(Self {
-            pool: Self::connect_database().await?,
-        })
-    }
-
-    async fn connect_database() -> crate::Result<SqlitePool> {
-        let project_dir = ProjectDirs::from("", "", env!("CARGO_PKG_NAME"))
-            .ok_or(Error::Unhandled("Could not get standard directories"))?;
-
-        let database_file_path = project_dir.data_dir().join("db.sql");
-
-        fs::create_dir_all(project_dir.data_dir()).await?;
-
-        let opts = SqliteConnectOptions::new()
-            .filename(database_file_path)
-            .create_if_missing(true)
-            .journal_mode(SqliteJournalMode::Wal);
-
-        let pool = SqlitePool::connect_with(opts).await?;
-
-        sqlx::migrate!("./migrations").run(&pool).await?;
-
-        Ok(pool)
-    }
-
-    #[instrument(skip(self, values))]
-    pub async fn load_tasks<T>(&self, values: Vec<T>) -> crate::Result<()>
-    where
-        T: TaskPayload + Serialize + std::fmt::Debug,
-    {
-        let mut tx = self.pool.begin().await?;
-        let mut builder: QueryBuilder<'_, Sqlite> =
-            QueryBuilder::new("insert into tasks(payload_key, payload, status_id)");
-
-        let args: crate::Result<Vec<(String, String)>> = values
-            .iter()
-            .map(|value| Ok((value.get_key(), serde_json::to_string(value)?)))
-            .collect();
-
-
-        let mut affected_rows = 0;
-        // Chunk the query by the size limit of bind params
-        for chunk in args?.chunks(SQLITE_BIND_LIMIT / 3) {
-            builder.push_values(chunk, |mut builder, item| {
-                builder
-                    .push_bind(&item.0)
-                    .push_bind(&item.1)
-                    .push_bind(TaskStatus::Pending);
-            });
-            builder.push("ON conflict (payload_key) DO NOTHING");
-
-            let query = builder.build();
-
-            affected_rows += query.execute(&mut *tx).await?.rows_affected();
-            builder.reset();
-        }
-
-        tx.commit().await?;
-
-        info!("{} rows inserted.", affected_rows);
-
-        Ok(())
-    }
-}