community,
community_block,
community_follower,
+ community_moderator,
community_person_ban,
local_user_language,
person,
post::{Post, PostRead, PostSaved},
},
traits::JoinView,
- utils::{fuzzy_search, get_conn, limit_and_offset, DbPool},
+ utils::{fuzzy_search, limit_and_offset, DbConn, DbPool, ListFn, Queries, ReadFn},
ListingType,
SortType,
};
sql_function!(fn coalesce(x: sql_types::Nullable<sql_types::BigInt>, y: sql_types::BigInt) -> sql_types::BigInt);
-impl PostView {
- pub async fn read(
- pool: &mut DbPool<'_>,
- post_id: PostId,
- my_person_id: Option<PersonId>,
- is_mod_or_admin: Option<bool>,
- ) -> Result<Self, Error> {
- let conn = &mut get_conn(pool).await?;
-
+fn queries<'a>() -> Queries<
+ impl ReadFn<'a, PostView, (PostId, Option<PersonId>, Option<bool>)>,
+ impl ListFn<'a, PostView, PostQuery<'a>>,
+> {
+ let all_joins = |query: post_aggregates::BoxedQuery<'a, Pg>, my_person_id: Option<PersonId>| {
// The left join below will return None in this case
let person_id_join = my_person_id.unwrap_or(PersonId(-1));
- let mut query = post_aggregates::table
- .filter(post_aggregates::post_id.eq(post_id))
+
+ query
.inner_join(person::table)
.inner_join(community::table)
.left_join(
.and(community_follower::person_id.eq(person_id_join)),
),
)
+ .left_join(
+ community_moderator::table.on(
+ post::community_id
+ .eq(community_moderator::community_id)
+ .and(community_moderator::person_id.eq(person_id_join)),
+ ),
+ )
.left_join(
post_saved::table.on(
post_aggregates::post_id
.and(person_post_aggregates::person_id.eq(person_id_join)),
),
)
- .select((
- post::all_columns,
- person::all_columns,
- community::all_columns,
- community_person_ban::all_columns.nullable(),
- post_aggregates::all_columns,
- community_follower::all_columns.nullable(),
- post_saved::all_columns.nullable(),
- post_read::all_columns.nullable(),
- person_block::all_columns.nullable(),
- post_like::score.nullable(),
- coalesce(
- post_aggregates::comments.nullable() - person_post_aggregates::read_comments.nullable(),
- post_aggregates::comments,
- ),
- ))
- .into_boxed();
+ };
+
+ let selection = (
+ post::all_columns,
+ person::all_columns,
+ community::all_columns,
+ community_person_ban::all_columns.nullable(),
+ post_aggregates::all_columns,
+ community_follower::all_columns.nullable(),
+ post_saved::all_columns.nullable(),
+ post_read::all_columns.nullable(),
+ person_block::all_columns.nullable(),
+ post_like::score.nullable(),
+ coalesce(
+ post_aggregates::comments.nullable() - person_post_aggregates::read_comments.nullable(),
+ post_aggregates::comments,
+ ),
+ );
+
+ let read = move |mut conn: DbConn<'a>,
+ (post_id, my_person_id, is_mod_or_admin): (
+ PostId,
+ Option<PersonId>,
+ Option<bool>,
+ )| async move {
+ // The left join below will return None in this case
+ let person_id_join = my_person_id.unwrap_or(PersonId(-1));
+
+ let mut query = all_joins(
+ post_aggregates::table
+ .filter(post_aggregates::post_id.eq(post_id))
+ .into_boxed(),
+ my_person_id,
+ )
+ .select(selection);
// Hide deleted and removed for non-admins or mods
if !is_mod_or_admin.unwrap_or(false) {
);
}
- let (
- post,
- creator,
- community,
- creator_banned_from_community,
- counts,
- follower,
- saved,
- read,
- creator_blocked,
- post_like,
- unread_comments,
- ) = query.first::<PostViewTuple>(conn).await?;
-
- // If a person is given, then my_vote, if None, should be 0, not null
- // Necessary to differentiate between other person's votes
- let my_vote = if my_person_id.is_some() && post_like.is_none() {
- Some(0)
- } else {
- post_like
- };
-
- Ok(PostView {
- post,
- creator,
- community,
- creator_banned_from_community: creator_banned_from_community.is_some(),
- counts,
- subscribed: CommunityFollower::to_subscribed_type(&follower),
- saved: saved.is_some(),
- read: read.is_some(),
- creator_blocked: creator_blocked.is_some(),
- my_vote,
- unread_comments,
- })
- }
-}
-
-#[derive(Default)]
-pub struct PostQuery<'a> {
- pub listing_type: Option<ListingType>,
- pub sort: Option<SortType>,
- pub creator_id: Option<PersonId>,
- pub community_id: Option<CommunityId>,
- pub local_user: Option<&'a LocalUserView>,
- pub search_term: Option<String>,
- pub url_search: Option<String>,
- pub saved_only: Option<bool>,
- pub is_profile_view: Option<bool>,
- pub page: Option<i64>,
- pub limit: Option<i64>,
-}
+ query.first::<PostViewTuple>(&mut conn).await
+ };
-impl<'a> PostQuery<'a> {
- pub async fn list(self, pool: &mut DbPool<'_>) -> Result<Vec<PostView>, Error> {
- let conn = &mut get_conn(pool).await?;
+ let list = move |mut conn: DbConn<'a>, options: PostQuery<'a>| async move {
+ let person_id = options.local_user.map(|l| l.person.id);
+ let local_user_id = options.local_user.map(|l| l.local_user.id);
// The left join below will return None in this case
- let person_id_join = self.local_user.map(|l| l.person.id).unwrap_or(PersonId(-1));
- let local_user_id_join = self
- .local_user
- .map(|l| l.local_user.id)
- .unwrap_or(LocalUserId(-1));
+ let person_id_join = person_id.unwrap_or(PersonId(-1));
+ let local_user_id_join = local_user_id.unwrap_or(LocalUserId(-1));
- let mut query = post_aggregates::table
- .inner_join(person::table)
- .inner_join(post::table)
- .inner_join(community::table)
- .left_join(
- community_person_ban::table.on(
- post_aggregates::community_id
- .eq(community_person_ban::community_id)
- .and(community_person_ban::person_id.eq(post_aggregates::creator_id)),
- ),
- )
- .left_join(
- community_follower::table.on(
- post_aggregates::community_id
- .eq(community_follower::community_id)
- .and(community_follower::person_id.eq(person_id_join)),
- ),
- )
- .left_join(
- post_saved::table.on(
- post_aggregates::post_id
- .eq(post_saved::post_id)
- .and(post_saved::person_id.eq(person_id_join)),
- ),
- )
- .left_join(
- post_read::table.on(
- post_aggregates::post_id
- .eq(post_read::post_id)
- .and(post_read::person_id.eq(person_id_join)),
- ),
- )
- .left_join(
- person_block::table.on(
- post_aggregates::creator_id
- .eq(person_block::target_id)
- .and(person_block::person_id.eq(person_id_join)),
- ),
- )
+ let mut query = all_joins(post_aggregates::table.into_boxed(), person_id)
.left_join(
community_block::table.on(
post_aggregates::community_id
.and(community_block::person_id.eq(person_id_join)),
),
)
- .left_join(
- post_like::table.on(
- post_aggregates::post_id
- .eq(post_like::post_id)
- .and(post_like::person_id.eq(person_id_join)),
- ),
- )
- .left_join(
- person_post_aggregates::table.on(
- post_aggregates::post_id
- .eq(person_post_aggregates::post_id)
- .and(person_post_aggregates::person_id.eq(person_id_join)),
- ),
- )
.left_join(
local_user_language::table.on(
post::language_id
.and(local_user_language::local_user_id.eq(local_user_id_join)),
),
)
- .select((
- post::all_columns,
- person::all_columns,
- community::all_columns,
- community_person_ban::all_columns.nullable(),
- post_aggregates::all_columns,
- community_follower::all_columns.nullable(),
- post_saved::all_columns.nullable(),
- post_read::all_columns.nullable(),
- person_block::all_columns.nullable(),
- post_like::score.nullable(),
- coalesce(
- post_aggregates::comments.nullable() - person_post_aggregates::read_comments.nullable(),
- post_aggregates::comments,
- ),
- ))
- .into_boxed();
+ .select(selection);
- let is_profile_view = self.is_profile_view.unwrap_or(false);
- let is_creator = self.creator_id == self.local_user.map(|l| l.person.id);
+ let is_profile_view = options.is_profile_view.unwrap_or(false);
+ let is_creator = options.creator_id == options.local_user.map(|l| l.person.id);
// only show deleted posts to creator
if is_creator {
query = query
.filter(post::deleted.eq(false));
}
- let is_admin = self.local_user.map(|l| l.person.admin).unwrap_or(false);
+ let is_admin = options.local_user.map(|l| l.person.admin).unwrap_or(false);
// only show removed posts to admin when viewing user profile
if !(is_profile_view && is_admin) {
query = query
.filter(post::removed.eq(false));
}
- if self.community_id.is_none() {
+ if options.community_id.is_none() {
query = query.then_order_by(post_aggregates::featured_local.desc());
- } else if let Some(community_id) = self.community_id {
+ } else if let Some(community_id) = options.community_id {
query = query
.filter(post_aggregates::community_id.eq(community_id))
.then_order_by(post_aggregates::featured_community.desc());
}
- if let Some(creator_id) = self.creator_id {
+ if let Some(creator_id) = options.creator_id {
query = query.filter(post_aggregates::creator_id.eq(creator_id));
}
- if let Some(listing_type) = self.listing_type {
+ if let Some(listing_type) = options.listing_type {
match listing_type {
ListingType::Subscribed => {
query = query.filter(community_follower::person_id.is_not_null())
}
}
- if let Some(url_search) = self.url_search {
+ if let Some(url_search) = options.url_search {
query = query.filter(post::url.eq(url_search));
}
- if let Some(search_term) = self.search_term {
+ if let Some(search_term) = options.search_term {
let searcher = fuzzy_search(&search_term);
query = query.filter(
post::name
);
}
- if !self
+ if !options
.local_user
.map(|l| l.local_user.show_nsfw)
.unwrap_or(false)
.filter(community::nsfw.eq(false));
};
- if !self
+ if !options
.local_user
.map(|l| l.local_user.show_bot_accounts)
.unwrap_or(true)
query = query.filter(person::bot_account.eq(false));
};
- if self.saved_only.unwrap_or(false) {
+ if options.saved_only.unwrap_or(false) {
query = query.filter(post_saved::post_id.is_not_null());
}
+
+ if options.moderator_view.unwrap_or(false) {
+ query = query.filter(community_moderator::person_id.is_not_null());
+ }
// Only hide the read posts, if the saved_only is false. Otherwise ppl with the hide_read
// setting wont be able to see saved posts.
- else if !self
+ else if !options
.local_user
.map(|l| l.local_user.show_read_posts)
.unwrap_or(true)
query = query.filter(post_read::post_id.is_null());
}
- if self.local_user.is_some() {
+ if options.local_user.is_some() {
// Filter out the rows with missing languages
query = query.filter(local_user_language::language_id.is_not_null());
// Don't show blocked communities or persons
query = query.filter(community_block::person_id.is_null());
- query = query.filter(person_block::person_id.is_null());
+ if !options.moderator_view.unwrap_or(false) {
+ query = query.filter(person_block::person_id.is_null());
+ }
}
- query = match self.sort.unwrap_or(SortType::Hot) {
+ query = match options.sort.unwrap_or(SortType::Hot) {
SortType::Active => query
.then_order_by(post_aggregates::hot_rank_active.desc())
.then_order_by(post_aggregates::published.desc()),
SortType::Hot => query
.then_order_by(post_aggregates::hot_rank.desc())
.then_order_by(post_aggregates::published.desc()),
+ SortType::Controversial => query.then_order_by(post_aggregates::controversy_rank.desc()),
SortType::New => query.then_order_by(post_aggregates::published.desc()),
SortType::Old => query.then_order_by(post_aggregates::published.asc()),
SortType::NewComments => query.then_order_by(post_aggregates::newest_comment_time.desc()),
.then_order_by(post_aggregates::published.desc()),
};
- let (limit, offset) = limit_and_offset(self.page, self.limit)?;
+ let (limit, offset) = limit_and_offset(options.page, options.limit)?;
query = query.limit(limit).offset(offset);
debug!("Post View Query: {:?}", debug_query::<Pg, _>(&query));
- let res = query.load::<PostViewTuple>(conn).await?;
+ query.load::<PostViewTuple>(&mut conn).await
+ };
+
+ Queries::new(read, list)
+}
+
+impl PostView {
+ pub async fn read(
+ pool: &mut DbPool<'_>,
+ post_id: PostId,
+ my_person_id: Option<PersonId>,
+ is_mod_or_admin: Option<bool>,
+ ) -> Result<Self, Error> {
+ let mut res = queries()
+ .read(pool, (post_id, my_person_id, is_mod_or_admin))
+ .await?;
+
+ // If a person is given, then my_vote, if None, should be 0, not null
+ // Necessary to differentiate between other person's votes
+ if my_person_id.is_some() && res.my_vote.is_none() {
+ res.my_vote = Some(0)
+ };
+
+ Ok(res)
+ }
+}
+
+#[derive(Default)]
+pub struct PostQuery<'a> {
+ pub listing_type: Option<ListingType>,
+ pub sort: Option<SortType>,
+ pub creator_id: Option<PersonId>,
+ pub community_id: Option<CommunityId>,
+ pub local_user: Option<&'a LocalUserView>,
+ pub search_term: Option<String>,
+ pub url_search: Option<String>,
+ pub saved_only: Option<bool>,
+ pub moderator_view: Option<bool>,
+ pub is_profile_view: Option<bool>,
+ pub page: Option<i64>,
+ pub limit: Option<i64>,
+}
- Ok(res.into_iter().map(PostView::from_tuple).collect())
+impl<'a> PostQuery<'a> {
+ pub async fn list(self, pool: &mut DbPool<'_>) -> Result<Vec<PostView>, Error> {
+ queries().list(pool, self).await
}
}
featured_local: false,
hot_rank: 1728,
hot_rank_active: 1728,
+ controversy_rank: 0.0,
community_id: inserted_post.community_id,
creator_id: inserted_post.creator_id,
},
projects / lemmy.git / blobdiff