1 use crate::structs::PrivateMessageView;
11 use diesel_async::RunQueryDsl;
12 use lemmy_db_schema::{
13 newtypes::{PersonId, PrivateMessageId},
14 schema::{person, private_message},
15 source::{person::Person, private_message::PrivateMessage},
17 utils::{get_conn, limit_and_offset, DbPool},
20 use typed_builder::TypedBuilder;
22 type PrivateMessageViewTuple = (PrivateMessage, Person, Person);
24 impl PrivateMessageView {
25 pub async fn read(pool: &DbPool, private_message_id: PrivateMessageId) -> Result<Self, Error> {
26 let conn = &mut get_conn(pool).await?;
27 let person_alias_1 = diesel::alias!(person as person1);
29 let (private_message, creator, recipient) = private_message::table
30 .find(private_message_id)
31 .inner_join(person::table.on(private_message::creator_id.eq(person::id)))
33 person_alias_1.on(private_message::recipient_id.eq(person_alias_1.field(person::id))),
35 .order_by(private_message::published.desc())
37 private_message::all_columns,
39 person_alias_1.fields(person::all_columns),
41 .first::<PrivateMessageViewTuple>(conn)
44 Ok(PrivateMessageView {
51 /// Gets the number of unread messages
52 pub async fn get_unread_messages(pool: &DbPool, my_person_id: PersonId) -> Result<i64, Error> {
53 use diesel::dsl::count;
54 let conn = &mut get_conn(pool).await?;
55 private_message::table
56 .filter(private_message::read.eq(false))
57 .filter(private_message::recipient_id.eq(my_person_id))
58 .filter(private_message::deleted.eq(false))
59 .select(count(private_message::id))
65 #[derive(TypedBuilder)]
66 #[builder(field_defaults(default))]
67 pub struct PrivateMessageQuery<'a> {
71 recipient_id: PersonId,
72 unread_only: Option<bool>,
77 impl<'a> PrivateMessageQuery<'a> {
78 pub async fn list(self) -> Result<Vec<PrivateMessageView>, Error> {
79 let conn = &mut get_conn(self.pool).await?;
80 let person_alias_1 = diesel::alias!(person as person1);
82 let mut query = private_message::table
83 .inner_join(person::table.on(private_message::creator_id.eq(person::id)))
85 person_alias_1.on(private_message::recipient_id.eq(person_alias_1.field(person::id))),
88 private_message::all_columns,
90 person_alias_1.fields(person::all_columns),
94 // If its unread, I only want the ones to me
95 if self.unread_only.unwrap_or(false) {
97 .filter(private_message::read.eq(false))
98 .filter(private_message::recipient_id.eq(self.recipient_id));
100 // Otherwise, I want the ALL view to show both sent and received
102 query = query.filter(
103 private_message::recipient_id
104 .eq(self.recipient_id)
105 .or(private_message::creator_id.eq(self.recipient_id)),
109 let (limit, offset) = limit_and_offset(self.page, self.limit)?;
112 .filter(private_message::deleted.eq(false))
115 .order_by(private_message::published.desc());
118 "Private Message View Query: {:?}",
119 debug_query::<Pg, _>(&query)
122 let res = query.load::<PrivateMessageViewTuple>(conn).await?;
127 .map(PrivateMessageView::from_tuple)
133 impl JoinView for PrivateMessageView {
134 type JoinTuple = PrivateMessageViewTuple;
135 fn from_tuple(a: Self::JoinTuple) -> Self {
137 private_message: a.0,