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use std::borrow::Cow;
use super::*;
#[derive(Copy, Clone, Eq, PartialEq, Debug, serde::Serialize, serde::Deserialize)]
#[serde(rename_all = "kebab-case")]
pub enum Queue {
Maildrop,
Hold,
Deferred,
Corrupt,
Out,
}
impl Queue {
pub fn as_str(&self) -> &'static str {
match self {
Self::Maildrop => "maildrop",
Self::Hold => "hold",
Self::Deferred => "deferred",
Self::Corrupt => "corrupt",
Self::Out => "out",
}
}
}
#[derive(Clone, Deserialize, Serialize, PartialEq, Eq)]
pub struct QueueEntry {
pub pk: i64,
pub queue: Queue,
pub list: Option<i64>,
pub comment: Option<String>,
pub to_addresses: String,
pub from_address: String,
pub subject: String,
pub message_id: String,
pub message: Vec<u8>,
pub timestamp: u64,
pub datetime: String,
}
impl std::fmt::Display for QueueEntry {
fn fmt(&self, fmt: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(fmt, "{:?}", self)
}
}
impl std::fmt::Debug for QueueEntry {
fn fmt(&self, fmt: &mut std::fmt::Formatter) -> std::fmt::Result {
fmt.debug_struct(stringify!(QueueEntry))
.field("pk", &self.pk)
.field("queue", &self.queue)
.field("list", &self.list)
.field("comment", &self.comment)
.field("to_addresses", &self.to_addresses)
.field("from_address", &self.from_address)
.field("subject", &self.subject)
.field("message_id", &self.message_id)
.field("message length", &self.message.len())
.field(
"message",
&format!("{:.15}", String::from_utf8_lossy(&self.message)),
)
.field("timestamp", &self.timestamp)
.field("datetime", &self.datetime)
.finish()
}
}
impl QueueEntry {
pub fn new(
queue: Queue,
list: Option<i64>,
env: Option<Cow<'_, Envelope>>,
raw: &[u8],
comment: Option<String>,
) -> Result<Self> {
let env = env
.map(Ok)
.unwrap_or_else(|| melib::Envelope::from_bytes(raw, None).map(Cow::Owned))?;
let now = chrono::offset::Utc::now();
Ok(Self {
pk: -1,
list,
queue,
comment,
to_addresses: env.field_to_to_string(),
from_address: env.field_from_to_string(),
subject: env.subject().to_string(),
message_id: env.message_id().to_string(),
message: raw.to_vec(),
timestamp: now.timestamp() as u64,
datetime: now.to_string(),
})
}
}
impl Connection {
pub fn insert_to_queue(&self, mut entry: QueueEntry) -> Result<DbVal<QueueEntry>> {
log::trace!("Inserting to queue: {entry}");
let mut stmt = self.connection.prepare(
"INSERT INTO queue(which, list, comment, to_addresses, from_address, subject, \
message_id, message, timestamp, datetime) VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?, ?) \
RETURNING pk;",
)?;
let pk = stmt.query_row(
rusqlite::params![
entry.queue.as_str(),
&entry.list,
&entry.comment,
&entry.to_addresses,
&entry.from_address,
&entry.subject,
&entry.message_id,
&entry.message,
&entry.timestamp,
&entry.datetime,
],
|row| {
let pk: i64 = row.get("pk")?;
Ok(pk)
},
)?;
entry.pk = pk;
Ok(DbVal(entry, pk))
}
pub fn queue(&self, queue: Queue) -> Result<Vec<DbVal<QueueEntry>>> {
let mut stmt = self
.connection
.prepare("SELECT * FROM queue WHERE which = ?;")?;
let iter = stmt.query_map([&queue.as_str()], |row| {
let pk = row.get::<_, i64>("pk")?;
Ok(DbVal(
QueueEntry {
pk,
queue,
list: row.get::<_, Option<i64>>("list")?,
comment: row.get::<_, Option<String>>("comment")?,
to_addresses: row.get::<_, String>("to_addresses")?,
from_address: row.get::<_, String>("from_address")?,
subject: row.get::<_, String>("subject")?,
message_id: row.get::<_, String>("message_id")?,
message: row.get::<_, Vec<u8>>("message")?,
timestamp: row.get::<_, u64>("timestamp")?,
datetime: row.get::<_, String>("datetime")?,
},
pk,
))
})?;
let mut ret = vec![];
for item in iter {
let item = item?;
ret.push(item);
}
Ok(ret)
}
pub fn delete_from_queue(&mut self, queue: Queue, index: Vec<i64>) -> Result<Vec<QueueEntry>> {
let tx = self.connection.transaction()?;
let cl = |row: &rusqlite::Row<'_>| {
Ok(QueueEntry {
pk: -1,
queue,
list: row.get::<_, Option<i64>>("list")?,
comment: row.get::<_, Option<String>>("comment")?,
to_addresses: row.get::<_, String>("to_addresses")?,
from_address: row.get::<_, String>("from_address")?,
subject: row.get::<_, String>("subject")?,
message_id: row.get::<_, String>("message_id")?,
message: row.get::<_, Vec<u8>>("message")?,
timestamp: row.get::<_, u64>("timestamp")?,
datetime: row.get::<_, String>("datetime")?,
})
};
let mut stmt = if index.is_empty() {
tx.prepare("DELETE FROM queue WHERE which = ? RETURNING *;")?
} else {
tx.prepare("DELETE FROM queue WHERE which = ? AND pk IN rarray(?) RETURNING *;")?
};
let iter = if index.is_empty() {
stmt.query_map([&queue.as_str()], cl)?
} else {
let index = std::rc::Rc::new(
index
.into_iter()
.map(rusqlite::types::Value::from)
.collect::<Vec<rusqlite::types::Value>>(),
);
stmt.query_map(rusqlite::params![queue.as_str(), index], cl)?
};
let mut ret = vec![];
for item in iter {
let item = item?;
ret.push(item);
}
drop(stmt);
tx.commit()?;
Ok(ret)
}
}