sqlx working?

.gitignore

@@ -3,3 +3,5 @@
 /output.log
 /config.toml
 /public
+/hellosu
+/hellosu.db*

imap/src/client/mod.rs

@@ -56,7 +56,8 @@ use tokio_rustls::{
 
 use crate::command::{Command, FetchItems, SearchCriteria};
 use crate::response::{
-    AttributeValue, Envelope, MailboxData, Response, ResponseData, ResponseDone,
+    AttributeValue, Envelope, MailboxData, MailboxFlag, Response, ResponseCode, ResponseData,
+    ResponseDone, Status,
 };
 
 pub use self::inner::{Client, ResponseStream};
@@ -67,7 +68,7 @@ pub use self::inner::{Client, ResponseStream};
 /// the connection to the server.
 ///
 /// [1]: self::ClientConfigBuilder::build
-/// [2]: self::ClientConfig::connect
+/// [2]: self::ClientConfig::open
 pub type ClientBuilder = ClientConfigBuilder;
 
 /// An IMAP client that hasn't been connected yet.
@@ -194,20 +195,36 @@ impl ClientAuthenticated {
     }
 
     /// Runs the SELECT command
-    pub async fn select(&mut self, mailbox: impl AsRef<str>) -> Result<()> {
+    pub async fn select(&mut self, mailbox: impl AsRef<str>) -> Result<SelectResponse> {
         let cmd = Command::Select {
             mailbox: mailbox.as_ref().to_owned(),
         };
+
         let stream = self.execute(cmd).await?;
         let (_, data) = stream.wait().await?;
+
+        let mut select = SelectResponse::default();
         for resp in data {
             debug!("execute called returned: {:?}", resp);
+            match resp {
+                Response::MailboxData(MailboxData::Flags(flags)) => select.flags = flags,
+                Response::MailboxData(MailboxData::Exists(exists)) => select.exists = Some(exists),
+                Response::MailboxData(MailboxData::Recent(recent)) => select.recent = Some(recent),
+                Response::Data(ResponseData {
+                    status: Status::Ok,
+                    code: Some(code),
+                    ..
+                }) => match code {
+                    ResponseCode::Unseen(value) => select.unseen = Some(value),
+                    ResponseCode::UidNext(value) => select.uid_next = Some(value),
+                    ResponseCode::UidValidity(value) => select.uid_validity = Some(value),
+                    _ => {}
+                },
+                _ => {}
+            }
         }
 
-        // nuke the capabilities cache
-        // self.nuke_capabilities();
-
-        Ok(())
+        Ok(select)
     }
 
     /// Runs the SEARCH command
@@ -274,6 +291,16 @@ impl ClientAuthenticated {
     }
 }
 
+#[derive(Debug, Default)]
+pub struct SelectResponse {
+    flags: Vec<MailboxFlag>,
+    exists: Option<u32>,
+    recent: Option<u32>,
+    uid_next: Option<u32>,
+    uid_validity: Option<u32>,
+    unseen: Option<u32>,
+}
+
 /// A token that represents an idling connection.
 ///
 /// Dropping this token indicates that the idling should be completed, and the DONE command will be
@@ -289,7 +316,8 @@ pub struct IdleToken {
 #[cfg_attr(docsrs, doc(cfg(feature = "rfc2177-idle")))]
 impl Drop for IdleToken {
     fn drop(&mut self) {
-        self.sender.send(format!("DONE\r\n"));
+        // TODO: should ignore this?
+        self.sender.send(format!("DONE\r\n")).unwrap();
     }
 }
 

migrations/1_initial.sql

@@ -0,0 +1,15 @@
+CREATE TABLE IF NOT EXISTS "accounts" (
+    "id" INTEGER PRIMARY KEY,
+    -- hash of the account details, used to check if accounts have changed
+    "checksum" TEXT,
+    "name" TEXT NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS "mail" (
+    "id" INTEGER PRIMARY KEY,
+    "account_id" INTEGER,
+    "folder" TEXT,
+    "uid" INTEGER,
+
+    FOREIGN KEY ("account_id") REFERENCES "accounts" ("id")
+);

src/mail/client.rs

@@ -19,13 +19,14 @@ use tokio::{
 
 use crate::config::{Config, ConfigWatcher, ImapAuth, MailAccountConfig, TlsMethod};
 
-use super::{MailCommand, MailEvent};
+use super::{MailCommand, MailEvent, MailStore};
 
-/// The main sequence of steps for the IMAP thread to follow
-pub async fn imap_main(
+/// The main function for the IMAP syncing thread
+pub async fn sync_main(
     acct_name: impl AsRef<str>,
     acct: MailAccountConfig,
     mail2ui_tx: UnboundedSender<MailEvent>,
+    mail_store: MailStore,
 ) -> Result<()> {
     let acct_name = acct_name.as_ref().to_owned();
 
@@ -66,7 +67,8 @@ pub async fn imap_main(
 
         // let's just select INBOX for now, maybe have a config for default mailbox later?
         debug!("selecting the INBOX mailbox");
-        authed.select("INBOX").await?;
+        let select = authed.select("INBOX").await?;
+        debug!("select result: {:?}", select);
 
         loop {
             let folder_list = authed.list().await?;

src/mail/mod.rs

@@ -29,6 +29,7 @@ use crate::config::{Config, ConfigWatcher, ImapAuth, MailAccountConfig, TlsMetho
 
 pub use self::event::MailEvent;
 pub use self::metadata::EmailMetadata;
+pub use self::store::MailStore;
 
 /// Command sent to the mail thread by something else (i.e. UI)
 #[derive(Debug)]
@@ -66,14 +67,23 @@ pub async fn run_mail(
             conn.abort();
         }
 
+        let mail_store = MailStore::new().await?;
         for (acct_name, acct) in config.mail_accounts.into_iter() {
             let mail2ui_tx = mail2ui_tx.clone();
+            let mail_store = mail_store.clone();
             let handle = tokio::spawn(async move {
                 // debug!("opening imap connection for {:?}", acct);
 
                 // this loop is to make sure accounts are restarted on error
                 loop {
-                    match client::imap_main(&acct_name, acct.clone(), mail2ui_tx.clone()).await {
+                    match client::sync_main(
+                        &acct_name,
+                        acct.clone(),
+                        mail2ui_tx.clone(),
+                        mail_store.clone(),
+                    )
+                    .await
+                    {
                         Ok(_) => {}
                         Err(err) => {
                             error!("IMAP Error: {}", err);

src/mail/store.rs

@@ -1,23 +1,49 @@
 //! Package for managing the offline storage of emails
 
+use std::path::PathBuf;
+
 use anyhow::Result;
-use sqlx::sqlite::SqlitePool;
+use sqlx::{
+    migrate::{MigrateDatabase, Migrator},
+    sqlite::{Sqlite, SqlitePool},
+};
+use tokio::fs;
+
+static MIGRATOR: Migrator = sqlx::migrate!();
 
 /// SQLite email manager
+///
+/// This struct is clone-safe: cloning it will just return a reference to the same data structure
 #[derive(Clone)]
 pub struct MailStore {
+    mail_dir: PathBuf,
     pool: SqlitePool,
 }
 
 impl MailStore {
+    /// Creates a new MailStore
     pub async fn new() -> Result<Self> {
-        let pool = SqlitePool::connect("hellosu.db").await?;
+        let db_path = "sqlite:hellosu.db";
 
-        let run = tokio::spawn(listen_loop(pool.clone()));
+        // create the database file if it doesn't already exist -_ -
+        if !Sqlite::database_exists(db_path).await? {
+            Sqlite::create_database(db_path).await?;
+        }
+
+        let pool = SqlitePool::connect(db_path).await?;
+        MIGRATOR.run(&pool).await?;
+        debug!("run migrations : {:?}", MIGRATOR);
+
+        let mail_dir = PathBuf::from("hellosu/");
+        if !mail_dir.exists() {
+            fs::create_dir_all(&mail_dir).await?;
+        }
+
+        Ok(MailStore { mail_dir, pool })
+    }
+
+    /// Gets the list of all the UIDs in the given folder that need to be updated
+    pub fn get_new_uids(&self, exists: u32) {
 
-        Ok(MailStore { pool })
     }
 }
-
-async fn listen_loop(pool: SqlitePool) {
-}

src/main.rs

@@ -127,7 +127,7 @@ fn setup_logger(log_file: Option<impl AsRef<Path>>) -> Result<()> {
         .format(move |out, message, record| {
             out.finish(format_args!(
                 "{}[{}][{}] {}",
-                now,
+                chrono::Local::now().format("[%Y-%m-%d][%H:%M:%S]"),
                 record.target(),
                 colors.color(record.level()),
                 message