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 {
26 pool: &mut DbPool<'_>,
27 private_message_id: PrivateMessageId,
28 ) -> Result<Self, Error> {
29 let conn = &mut get_conn(pool).await?;
30 let person_alias_1 = diesel::alias!(person as person1);
32 let (private_message, creator, recipient) = private_message::table
33 .find(private_message_id)
34 .inner_join(person::table.on(private_message::creator_id.eq(person::id)))
36 person_alias_1.on(private_message::recipient_id.eq(person_alias_1.field(person::id))),
38 .order_by(private_message::published.desc())
40 private_message::all_columns,
42 person_alias_1.fields(person::all_columns),
44 .first::<PrivateMessageViewTuple>(conn)
47 Ok(PrivateMessageView {
54 /// Gets the number of unread messages
55 pub async fn get_unread_messages(
56 pool: &mut DbPool<'_>,
57 my_person_id: PersonId,
58 ) -> Result<i64, Error> {
59 use diesel::dsl::count;
60 let conn = &mut get_conn(pool).await?;
61 private_message::table
62 .filter(private_message::read.eq(false))
63 .filter(private_message::recipient_id.eq(my_person_id))
64 .filter(private_message::deleted.eq(false))
65 .select(count(private_message::id))
71 #[derive(TypedBuilder)]
72 #[builder(field_defaults(default))]
73 pub struct PrivateMessageQuery<'a, 'b: 'a> {
75 pool: &'a mut DbPool<'b>,
77 recipient_id: PersonId,
78 unread_only: Option<bool>,
83 impl<'a, 'b: 'a> PrivateMessageQuery<'a, 'b> {
84 pub async fn list(self) -> Result<Vec<PrivateMessageView>, Error> {
85 let conn = &mut get_conn(self.pool).await?;
86 let person_alias_1 = diesel::alias!(person as person1);
88 let mut query = private_message::table
89 .inner_join(person::table.on(private_message::creator_id.eq(person::id)))
91 person_alias_1.on(private_message::recipient_id.eq(person_alias_1.field(person::id))),
94 private_message::all_columns,
96 person_alias_1.fields(person::all_columns),
100 // If its unread, I only want the ones to me
101 if self.unread_only.unwrap_or(false) {
103 .filter(private_message::read.eq(false))
104 .filter(private_message::recipient_id.eq(self.recipient_id));
106 // Otherwise, I want the ALL view to show both sent and received
108 query = query.filter(
109 private_message::recipient_id
110 .eq(self.recipient_id)
111 .or(private_message::creator_id.eq(self.recipient_id)),
115 let (limit, offset) = limit_and_offset(self.page, self.limit)?;
118 .filter(private_message::deleted.eq(false))
121 .order_by(private_message::published.desc());
124 "Private Message View Query: {:?}",
125 debug_query::<Pg, _>(&query)
128 let res = query.load::<PrivateMessageViewTuple>(conn).await?;
133 .map(PrivateMessageView::from_tuple)
139 impl JoinView for PrivateMessageView {
140 type JoinTuple = PrivateMessageViewTuple;
141 fn from_tuple(a: Self::JoinTuple) -> Self {
143 private_message: a.0,