1 use diesel::{pg::Pg, result::Error, *};
2 use lemmy_db_queries::{limit_and_offset, MaybeOptional, ToSafe, ViewToVec};
4 schema::{person, person_alias_1, private_message},
6 person::{Person, PersonAlias1, PersonSafe, PersonSafeAlias1},
7 private_message::PrivateMessage,
15 #[derive(Debug, PartialEq, Serialize, Clone)]
16 pub struct PrivateMessageView {
17 pub private_message: PrivateMessage,
18 pub creator: PersonSafe,
19 pub recipient: PersonSafeAlias1,
22 type PrivateMessageViewTuple = (PrivateMessage, PersonSafe, PersonSafeAlias1);
24 impl PrivateMessageView {
25 pub fn read(conn: &PgConnection, private_message_id: PrivateMessageId) -> Result<Self, Error> {
26 let (private_message, creator, recipient) = private_message::table
27 .find(private_message_id)
28 .inner_join(person::table.on(private_message::creator_id.eq(person::id)))
29 .inner_join(person_alias_1::table.on(private_message::recipient_id.eq(person_alias_1::id)))
30 .order_by(private_message::published.desc())
32 private_message::all_columns,
33 Person::safe_columns_tuple(),
34 PersonAlias1::safe_columns_tuple(),
36 .first::<PrivateMessageViewTuple>(conn)?;
38 Ok(PrivateMessageView {
46 pub struct PrivateMessageQueryBuilder<'a> {
47 conn: &'a PgConnection,
48 recipient_id: PersonId,
49 unread_only: Option<bool>,
54 impl<'a> PrivateMessageQueryBuilder<'a> {
55 pub fn create(conn: &'a PgConnection, recipient_id: PersonId) -> Self {
56 PrivateMessageQueryBuilder {
65 pub fn unread_only<T: MaybeOptional<bool>>(mut self, unread_only: T) -> Self {
66 self.unread_only = unread_only.get_optional();
70 pub fn page<T: MaybeOptional<i64>>(mut self, page: T) -> Self {
71 self.page = page.get_optional();
75 pub fn limit<T: MaybeOptional<i64>>(mut self, limit: T) -> Self {
76 self.limit = limit.get_optional();
80 pub fn list(self) -> Result<Vec<PrivateMessageView>, Error> {
81 let mut query = private_message::table
82 .inner_join(person::table.on(private_message::creator_id.eq(person::id)))
83 .inner_join(person_alias_1::table.on(private_message::recipient_id.eq(person_alias_1::id)))
85 private_message::all_columns,
86 Person::safe_columns_tuple(),
87 PersonAlias1::safe_columns_tuple(),
91 // If its unread, I only want the ones to me
92 if self.unread_only.unwrap_or_default() {
94 .filter(private_message::read.eq(false))
95 .filter(private_message::recipient_id.eq(self.recipient_id));
97 // Otherwise, I want the ALL view to show both sent and received
100 private_message::recipient_id
101 .eq(self.recipient_id)
102 .or(private_message::creator_id.eq(self.recipient_id)),
106 let (limit, offset) = limit_and_offset(self.page, self.limit);
109 .filter(private_message::deleted.eq(false))
112 .order_by(private_message::published.desc());
115 "Private Message View Query: {:?}",
116 debug_query::<Pg, _>(&query)
119 let res = query.load::<PrivateMessageViewTuple>(self.conn)?;
121 Ok(PrivateMessageView::from_tuple_to_vec(res))
125 impl ViewToVec for PrivateMessageView {
126 type DbTuple = PrivateMessageViewTuple;
127 fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
131 private_message: a.0.to_owned(),
132 creator: a.1.to_owned(),
133 recipient: a.2.to_owned(),
135 .collect::<Vec<Self>>()