1 use crate::structs::PrivateMessageView;
11 use diesel_async::RunQueryDsl;
12 use lemmy_db_schema::{
13 newtypes::{PersonId, PrivateMessageId},
14 schema::{person, private_message},
16 person::{Person, PersonSafe},
17 private_message::PrivateMessage,
19 traits::{ToSafe, ViewToVec},
20 utils::{get_conn, limit_and_offset, DbPool},
23 use typed_builder::TypedBuilder;
25 type PrivateMessageViewTuple = (PrivateMessage, PersonSafe, PersonSafe);
27 impl PrivateMessageView {
28 pub async fn read(pool: &DbPool, private_message_id: PrivateMessageId) -> 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,
41 Person::safe_columns_tuple(),
42 person_alias_1.fields(Person::safe_columns_tuple()),
44 .first::<PrivateMessageViewTuple>(conn)
47 Ok(PrivateMessageView {
54 /// Gets the number of unread messages
55 pub async fn get_unread_messages(pool: &DbPool, my_person_id: PersonId) -> Result<i64, Error> {
57 let conn = &mut get_conn(pool).await?;
58 private_message::table
59 .filter(private_message::read.eq(false))
60 .filter(private_message::recipient_id.eq(my_person_id))
61 .filter(private_message::deleted.eq(false))
62 .select(count(private_message::id))
68 #[derive(TypedBuilder)]
69 #[builder(field_defaults(default))]
70 pub struct PrivateMessageQuery<'a> {
74 recipient_id: PersonId,
75 unread_only: Option<bool>,
80 impl<'a> PrivateMessageQuery<'a> {
81 pub async fn list(self) -> Result<Vec<PrivateMessageView>, Error> {
82 let conn = &mut get_conn(self.pool).await?;
83 let person_alias_1 = diesel::alias!(person as person1);
85 let mut query = private_message::table
86 .inner_join(person::table.on(private_message::creator_id.eq(person::id)))
88 person_alias_1.on(private_message::recipient_id.eq(person_alias_1.field(person::id))),
91 private_message::all_columns,
92 Person::safe_columns_tuple(),
93 person_alias_1.fields(Person::safe_columns_tuple()),
97 // If its unread, I only want the ones to me
98 if self.unread_only.unwrap_or(false) {
100 .filter(private_message::read.eq(false))
101 .filter(private_message::recipient_id.eq(self.recipient_id));
103 // Otherwise, I want the ALL view to show both sent and received
105 query = query.filter(
106 private_message::recipient_id
107 .eq(self.recipient_id)
108 .or(private_message::creator_id.eq(self.recipient_id)),
112 let (limit, offset) = limit_and_offset(self.page, self.limit)?;
115 .filter(private_message::deleted.eq(false))
118 .order_by(private_message::published.desc());
121 "Private Message View Query: {:?}",
122 debug_query::<Pg, _>(&query)
125 let res = query.load::<PrivateMessageViewTuple>(conn).await?;
127 Ok(PrivateMessageView::from_tuple_to_vec(res))
131 impl ViewToVec for PrivateMessageView {
132 type DbTuple = PrivateMessageViewTuple;
133 fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
137 private_message: a.0,
141 .collect::<Vec<Self>>()