crates/db_views/src/post_view.rs

   1 use crate::structs::PostView;
   2 use diesel::{
   3   debug_query,
   4   dsl::{now, IntervalDsl},
   5   pg::Pg,
   6   result::Error,
   7   sql_function,
   8   sql_types,
   9   BoolExpressionMethods,
  10   ExpressionMethods,
  11   JoinOnDsl,
  12   NullableExpressionMethods,
  13   PgTextExpressionMethods,
  14   QueryDsl,
  15 };
  16 use diesel_async::RunQueryDsl;
  17 use lemmy_db_schema::{
  18   aggregates::structs::PostAggregates,
  19   newtypes::{CommunityId, LocalUserId, PersonId, PostId},
  20   schema::{
  21     community,
  22     community_block,
  23     community_follower,
  24     community_person_ban,
  25     local_user_language,
  26     person,
  27     person_block,
  28     person_post_aggregates,
  29     post,
  30     post_aggregates,
  31     post_like,
  32     post_read,
  33     post_saved,
  34   },
  35   source::{
  36     community::{Community, CommunityFollower, CommunityPersonBan},
  37     local_user::LocalUser,
  38     person::Person,
  39     person_block::PersonBlock,
  40     post::{Post, PostRead, PostSaved},
  41   },
  42   traits::JoinView,
  43   utils::{fuzzy_search, get_conn, limit_and_offset, DbPool},
  44   ListingType,
  45   SortType,
  46 };
  47 use tracing::debug;
  48 use typed_builder::TypedBuilder;
  49
  50 type PostViewTuple = (
  51   Post,
  52   Person,
  53   Community,
  54   Option<CommunityPersonBan>,
  55   PostAggregates,
  56   Option<CommunityFollower>,
  57   Option<PostSaved>,
  58   Option<PostRead>,
  59   Option<PersonBlock>,
  60   Option<i16>,
  61   i64,
  62 );
  63
  64 sql_function!(fn coalesce(x: sql_types::Nullable<sql_types::BigInt>, y: sql_types::BigInt) -> sql_types::BigInt);
  65
  66 impl PostView {
  67   pub async fn read(
  68     pool: &DbPool,
  69     post_id: PostId,
  70     my_person_id: Option<PersonId>,
  71     is_mod_or_admin: Option<bool>,
  72   ) -> Result<Self, Error> {
  73     let conn = &mut get_conn(pool).await?;
  74
  75     // The left join below will return None in this case
  76     let person_id_join = my_person_id.unwrap_or(PersonId(-1));
  77     let mut query = post::table
  78       .find(post_id)
  79       .inner_join(person::table)
  80       .inner_join(community::table)
  81       .left_join(
  82         community_person_ban::table.on(
  83           post::community_id
  84             .eq(community_person_ban::community_id)
  85             .and(community_person_ban::person_id.eq(post::creator_id)),
  86         ),
  87       )
  88       .inner_join(post_aggregates::table)
  89       .left_join(
  90         community_follower::table.on(
  91           post::community_id
  92             .eq(community_follower::community_id)
  93             .and(community_follower::person_id.eq(person_id_join)),
  94         ),
  95       )
  96       .left_join(
  97         post_saved::table.on(
  98           post::id
  99             .eq(post_saved::post_id)
 100             .and(post_saved::person_id.eq(person_id_join)),
 101         ),
 102       )
 103       .left_join(
 104         post_read::table.on(
 105           post::id
 106             .eq(post_read::post_id)
 107             .and(post_read::person_id.eq(person_id_join)),
 108         ),
 109       )
 110       .left_join(
 111         person_block::table.on(
 112           post::creator_id
 113             .eq(person_block::target_id)
 114             .and(person_block::person_id.eq(person_id_join)),
 115         ),
 116       )
 117       .left_join(
 118         post_like::table.on(
 119           post::id
 120             .eq(post_like::post_id)
 121             .and(post_like::person_id.eq(person_id_join)),
 122         ),
 123       )
 124       .left_join(
 125         person_post_aggregates::table.on(
 126           post::id
 127             .eq(person_post_aggregates::post_id)
 128             .and(person_post_aggregates::person_id.eq(person_id_join)),
 129         ),
 130       )
 131       .select((
 132         post::all_columns,
 133         person::all_columns,
 134         community::all_columns,
 135         community_person_ban::all_columns.nullable(),
 136         post_aggregates::all_columns,
 137         community_follower::all_columns.nullable(),
 138         post_saved::all_columns.nullable(),
 139         post_read::all_columns.nullable(),
 140         person_block::all_columns.nullable(),
 141         post_like::score.nullable(),
 142         coalesce(
 143           post_aggregates::comments.nullable() - person_post_aggregates::read_comments.nullable(),
 144           post_aggregates::comments,
 145         ),
 146       ))
 147       .into_boxed();
 148
 149     // Hide deleted and removed for non-admins or mods
 150     if !is_mod_or_admin.unwrap_or(false) {
 151       query = query
 152         .filter(community::removed.eq(false))
 153         .filter(community::deleted.eq(false))
 154         .filter(post::removed.eq(false))
 155         .filter(post::deleted.eq(false));
 156     }
 157
 158     let (
 159       post,
 160       creator,
 161       community,
 162       creator_banned_from_community,
 163       counts,
 164       follower,
 165       saved,
 166       read,
 167       creator_blocked,
 168       post_like,
 169       unread_comments,
 170     ) = query.first::<PostViewTuple>(conn).await?;
 171
 172     // If a person is given, then my_vote, if None, should be 0, not null
 173     // Necessary to differentiate between other person's votes
 174     let my_vote = if my_person_id.is_some() && post_like.is_none() {
 175       Some(0)
 176     } else {
 177       post_like
 178     };
 179
 180     Ok(PostView {
 181       post,
 182       creator,
 183       community,
 184       creator_banned_from_community: creator_banned_from_community.is_some(),
 185       counts,
 186       subscribed: CommunityFollower::to_subscribed_type(&follower),
 187       saved: saved.is_some(),
 188       read: read.is_some(),
 189       creator_blocked: creator_blocked.is_some(),
 190       my_vote,
 191       unread_comments,
 192     })
 193   }
 194 }
 195
 196 #[derive(TypedBuilder)]
 197 #[builder(field_defaults(default))]
 198 pub struct PostQuery<'a> {
 199   #[builder(!default)]
 200   pool: &'a DbPool,
 201   listing_type: Option<ListingType>,
 202   sort: Option<SortType>,
 203   creator_id: Option<PersonId>,
 204   community_id: Option<CommunityId>,
 205   local_user: Option<&'a LocalUser>,
 206   search_term: Option<String>,
 207   url_search: Option<String>,
 208   saved_only: Option<bool>,
 209   /// Used to show deleted or removed posts for admins
 210   is_mod_or_admin: Option<bool>,
 211   page: Option<i64>,
 212   limit: Option<i64>,
 213 }
 214
 215 impl<'a> PostQuery<'a> {
 216   pub async fn list(self) -> Result<Vec<PostView>, Error> {
 217     let conn = &mut get_conn(self.pool).await?;
 218
 219     // The left join below will return None in this case
 220     let person_id_join = self.local_user.map(|l| l.person_id).unwrap_or(PersonId(-1));
 221     let local_user_id_join = self.local_user.map(|l| l.id).unwrap_or(LocalUserId(-1));
 222
 223     let mut query = post::table
 224       .inner_join(person::table)
 225       .inner_join(community::table)
 226       .left_join(
 227         community_person_ban::table.on(
 228           post::community_id
 229             .eq(community_person_ban::community_id)
 230             .and(community_person_ban::person_id.eq(post::creator_id)),
 231         ),
 232       )
 233       .inner_join(post_aggregates::table)
 234       .left_join(
 235         community_follower::table.on(
 236           post::community_id
 237             .eq(community_follower::community_id)
 238             .and(community_follower::person_id.eq(person_id_join)),
 239         ),
 240       )
 241       .left_join(
 242         post_saved::table.on(
 243           post::id
 244             .eq(post_saved::post_id)
 245             .and(post_saved::person_id.eq(person_id_join)),
 246         ),
 247       )
 248       .left_join(
 249         post_read::table.on(
 250           post::id
 251             .eq(post_read::post_id)
 252             .and(post_read::person_id.eq(person_id_join)),
 253         ),
 254       )
 255       .left_join(
 256         person_block::table.on(
 257           post::creator_id
 258             .eq(person_block::target_id)
 259             .and(person_block::person_id.eq(person_id_join)),
 260         ),
 261       )
 262       .left_join(
 263         community_block::table.on(
 264           post::community_id
 265             .eq(community_block::community_id)
 266             .and(community_block::person_id.eq(person_id_join)),
 267         ),
 268       )
 269       .left_join(
 270         post_like::table.on(
 271           post::id
 272             .eq(post_like::post_id)
 273             .and(post_like::person_id.eq(person_id_join)),
 274         ),
 275       )
 276       .left_join(
 277         person_post_aggregates::table.on(
 278           post::id
 279             .eq(person_post_aggregates::post_id)
 280             .and(person_post_aggregates::person_id.eq(person_id_join)),
 281         ),
 282       )
 283       .left_join(
 284         local_user_language::table.on(
 285           post::language_id
 286             .eq(local_user_language::language_id)
 287             .and(local_user_language::local_user_id.eq(local_user_id_join)),
 288         ),
 289       )
 290       .select((
 291         post::all_columns,
 292         person::all_columns,
 293         community::all_columns,
 294         community_person_ban::all_columns.nullable(),
 295         post_aggregates::all_columns,
 296         community_follower::all_columns.nullable(),
 297         post_saved::all_columns.nullable(),
 298         post_read::all_columns.nullable(),
 299         person_block::all_columns.nullable(),
 300         post_like::score.nullable(),
 301         coalesce(
 302           post_aggregates::comments.nullable() - person_post_aggregates::read_comments.nullable(),
 303           post_aggregates::comments,
 304         ),
 305       ))
 306       .into_boxed();
 307
 308     // Hide deleted and removed for non-admins or mods
 309     // TODO This eventually needs to show posts where you are the creator
 310     if !self.is_mod_or_admin.unwrap_or(false) {
 311       query = query
 312         .filter(community::removed.eq(false))
 313         .filter(community::deleted.eq(false))
 314         .filter(post::removed.eq(false))
 315         .filter(post::deleted.eq(false));
 316     }
 317
 318     if self.community_id.is_none() {
 319       query = query.then_order_by(post_aggregates::featured_local.desc());
 320     } else if let Some(community_id) = self.community_id {
 321       query = query
 322         .filter(post::community_id.eq(community_id))
 323         .then_order_by(post_aggregates::featured_community.desc());
 324     }
 325
 326     if let Some(creator_id) = self.creator_id {
 327       query = query.filter(post::creator_id.eq(creator_id));
 328     }
 329
 330     if let Some(listing_type) = self.listing_type {
 331       match listing_type {
 332         ListingType::Subscribed => {
 333           query = query.filter(community_follower::person_id.is_not_null())
 334         }
 335         ListingType::Local => {
 336           query = query.filter(community::local.eq(true)).filter(
 337             community::hidden
 338               .eq(false)
 339               .or(community_follower::person_id.eq(person_id_join)),
 340           );
 341         }
 342         ListingType::All => {
 343           query = query.filter(
 344             community::hidden
 345               .eq(false)
 346               .or(community_follower::person_id.eq(person_id_join)),
 347           )
 348         }
 349       }
 350     }
 351
 352     if let Some(url_search) = self.url_search {
 353       query = query.filter(post::url.eq(url_search));
 354     }
 355
 356     if let Some(search_term) = self.search_term {
 357       let searcher = fuzzy_search(&search_term);
 358       query = query.filter(
 359         post::name
 360           .ilike(searcher.clone())
 361           .or(post::body.ilike(searcher)),
 362       );
 363     }
 364
 365     if !self.local_user.map(|l| l.show_nsfw).unwrap_or(false) {
 366       query = query
 367         .filter(post::nsfw.eq(false))
 368         .filter(community::nsfw.eq(false));
 369     };
 370
 371     if !self.local_user.map(|l| l.show_bot_accounts).unwrap_or(true) {
 372       query = query.filter(person::bot_account.eq(false));
 373     };
 374
 375     if self.saved_only.unwrap_or(false) {
 376       query = query.filter(post_saved::post_id.is_not_null());
 377     }
 378     // Only hide the read posts, if the saved_only is false. Otherwise ppl with the hide_read
 379     // setting wont be able to see saved posts.
 380     else if !self.local_user.map(|l| l.show_read_posts).unwrap_or(true) {
 381       query = query.filter(post_read::post_id.is_null());
 382     }
 383
 384     if self.local_user.is_some() {
 385       // Filter out the rows with missing languages
 386       query = query.filter(local_user_language::language_id.is_not_null());
 387
 388       // Don't show blocked communities or persons
 389       query = query.filter(community_block::person_id.is_null());
 390       query = query.filter(person_block::person_id.is_null());
 391     }
 392
 393     query = match self.sort.unwrap_or(SortType::Hot) {
 394       SortType::Active => query.then_order_by(post_aggregates::hot_rank_active.desc()),
 395       SortType::Hot => query.then_order_by(post_aggregates::hot_rank.desc()),
 396       SortType::New => query.then_order_by(post_aggregates::published.desc()),
 397       SortType::Old => query.then_order_by(post_aggregates::published.asc()),
 398       SortType::NewComments => query.then_order_by(post_aggregates::newest_comment_time.desc()),
 399       SortType::MostComments => query
 400         .then_order_by(post_aggregates::comments.desc())
 401         .then_order_by(post_aggregates::published.desc()),
 402       SortType::TopAll => query
 403         .then_order_by(post_aggregates::score.desc())
 404         .then_order_by(post_aggregates::published.desc()),
 405       SortType::TopYear => query
 406         .filter(post_aggregates::published.gt(now - 1.years()))
 407         .then_order_by(post_aggregates::score.desc())
 408         .then_order_by(post_aggregates::published.desc()),
 409       SortType::TopMonth => query
 410         .filter(post_aggregates::published.gt(now - 1.months()))
 411         .then_order_by(post_aggregates::score.desc())
 412         .then_order_by(post_aggregates::published.desc()),
 413       SortType::TopWeek => query
 414         .filter(post_aggregates::published.gt(now - 1.weeks()))
 415         .then_order_by(post_aggregates::score.desc())
 416         .then_order_by(post_aggregates::published.desc()),
 417       SortType::TopDay => query
 418         .filter(post_aggregates::published.gt(now - 1.days()))
 419         .then_order_by(post_aggregates::score.desc())
 420         .then_order_by(post_aggregates::published.desc()),
 421       SortType::TopHour => query
 422         .filter(post_aggregates::published.gt(now - 1.hours()))
 423         .then_order_by(post_aggregates::score.desc())
 424         .then_order_by(post_aggregates::published.desc()),
 425       SortType::TopSixHour => query
 426         .filter(post_aggregates::published.gt(now - 6.hours()))
 427         .then_order_by(post_aggregates::score.desc())
 428         .then_order_by(post_aggregates::published.desc()),
 429       SortType::TopTwelveHour => query
 430         .filter(post_aggregates::published.gt(now - 12.hours()))
 431         .then_order_by(post_aggregates::score.desc())
 432         .then_order_by(post_aggregates::published.desc()),
 433     };
 434
 435     let (limit, offset) = limit_and_offset(self.page, self.limit)?;
 436
 437     query = query.limit(limit).offset(offset);
 438
 439     debug!("Post View Query: {:?}", debug_query::<Pg, _>(&query));
 440
 441     let res = query.load::<PostViewTuple>(conn).await?;
 442
 443     Ok(res.into_iter().map(PostView::from_tuple).collect())
 444   }
 445 }
 446
 447 impl JoinView for PostView {
 448   type JoinTuple = PostViewTuple;
 449   fn from_tuple(a: Self::JoinTuple) -> Self {
 450     Self {
 451       post: a.0,
 452       creator: a.1,
 453       community: a.2,
 454       creator_banned_from_community: a.3.is_some(),
 455       counts: a.4,
 456       subscribed: CommunityFollower::to_subscribed_type(&a.5),
 457       saved: a.6.is_some(),
 458       read: a.7.is_some(),
 459       creator_blocked: a.8.is_some(),
 460       my_vote: a.9,
 461       unread_comments: a.10,
 462     }
 463   }
 464 }
 465
 466 #[cfg(test)]
 467 mod tests {
 468   use crate::post_view::{PostQuery, PostView};
 469   use lemmy_db_schema::{
 470     aggregates::structs::PostAggregates,
 471     impls::actor_language::UNDETERMINED_ID,
 472     newtypes::LanguageId,
 473     source::{
 474       actor_language::LocalUserLanguage,
 475       community::{Community, CommunityInsertForm},
 476       community_block::{CommunityBlock, CommunityBlockForm},
 477       instance::Instance,
 478       language::Language,
 479       local_user::{LocalUser, LocalUserInsertForm, LocalUserUpdateForm},
 480       person::{Person, PersonInsertForm},
 481       person_block::{PersonBlock, PersonBlockForm},
 482       post::{Post, PostInsertForm, PostLike, PostLikeForm, PostUpdateForm},
 483     },
 484     traits::{Blockable, Crud, Likeable},
 485     utils::{build_db_pool_for_tests, DbPool},
 486     SortType,
 487     SubscribedType,
 488   };
 489   use serial_test::serial;
 490
 491   struct Data {
 492     inserted_instance: Instance,
 493     inserted_person: Person,
 494     inserted_local_user: LocalUser,
 495     inserted_blocked_person: Person,
 496     inserted_bot: Person,
 497     inserted_community: Community,
 498     inserted_post: Post,
 499   }
 500
 501   async fn init_data(pool: &DbPool) -> Data {
 502     let inserted_instance = Instance::read_or_create(pool, "my_domain.tld".to_string())
 503       .await
 504       .unwrap();
 505
 506     let person_name = "tegan".to_string();
 507
 508     let new_person = PersonInsertForm::builder()
 509       .name(person_name.clone())
 510       .public_key("pubkey".to_string())
 511       .instance_id(inserted_instance.id)
 512       .build();
 513
 514     let inserted_person = Person::create(pool, &new_person).await.unwrap();
 515
 516     let local_user_form = LocalUserInsertForm::builder()
 517       .person_id(inserted_person.id)
 518       .password_encrypted(String::new())
 519       .build();
 520     let inserted_local_user = LocalUser::create(pool, &local_user_form).await.unwrap();
 521
 522     let new_bot = PersonInsertForm::builder()
 523       .name("mybot".to_string())
 524       .bot_account(Some(true))
 525       .public_key("pubkey".to_string())
 526       .instance_id(inserted_instance.id)
 527       .build();
 528
 529     let inserted_bot = Person::create(pool, &new_bot).await.unwrap();
 530
 531     let new_community = CommunityInsertForm::builder()
 532       .name("test_community_3".to_string())
 533       .title("nada".to_owned())
 534       .public_key("pubkey".to_string())
 535       .instance_id(inserted_instance.id)
 536       .build();
 537
 538     let inserted_community = Community::create(pool, &new_community).await.unwrap();
 539
 540     // Test a person block, make sure the post query doesn't include their post
 541     let blocked_person = PersonInsertForm::builder()
 542       .name(person_name)
 543       .public_key("pubkey".to_string())
 544       .instance_id(inserted_instance.id)
 545       .build();
 546
 547     let inserted_blocked_person = Person::create(pool, &blocked_person).await.unwrap();
 548
 549     let post_from_blocked_person = PostInsertForm::builder()
 550       .name("blocked_person_post".to_string())
 551       .creator_id(inserted_blocked_person.id)
 552       .community_id(inserted_community.id)
 553       .language_id(Some(LanguageId(1)))
 554       .build();
 555
 556     Post::create(pool, &post_from_blocked_person).await.unwrap();
 557
 558     // block that person
 559     let person_block = PersonBlockForm {
 560       person_id: inserted_person.id,
 561       target_id: inserted_blocked_person.id,
 562     };
 563
 564     PersonBlock::block(pool, &person_block).await.unwrap();
 565
 566     // A sample post
 567     let new_post = PostInsertForm::builder()
 568       .name("test post 3".to_string())
 569       .creator_id(inserted_person.id)
 570       .community_id(inserted_community.id)
 571       .language_id(Some(LanguageId(47)))
 572       .build();
 573
 574     let inserted_post = Post::create(pool, &new_post).await.unwrap();
 575
 576     let new_bot_post = PostInsertForm::builder()
 577       .name("test bot post".to_string())
 578       .creator_id(inserted_bot.id)
 579       .community_id(inserted_community.id)
 580       .build();
 581
 582     let _inserted_bot_post = Post::create(pool, &new_bot_post).await.unwrap();
 583
 584     Data {
 585       inserted_instance,
 586       inserted_person,
 587       inserted_local_user,
 588       inserted_blocked_person,
 589       inserted_bot,
 590       inserted_community,
 591       inserted_post,
 592     }
 593   }
 594
 595   #[tokio::test]
 596   #[serial]
 597   async fn post_listing_with_person() {
 598     let pool = &build_db_pool_for_tests().await;
 599     let data = init_data(pool).await;
 600
 601     let local_user_form = LocalUserUpdateForm::builder()
 602       .show_bot_accounts(Some(false))
 603       .build();
 604     let inserted_local_user =
 605       LocalUser::update(pool, data.inserted_local_user.id, &local_user_form)
 606         .await
 607         .unwrap();
 608
 609     let read_post_listing = PostQuery::builder()
 610       .pool(pool)
 611       .sort(Some(SortType::New))
 612       .community_id(Some(data.inserted_community.id))
 613       .local_user(Some(&inserted_local_user))
 614       .build()
 615       .list()
 616       .await
 617       .unwrap();
 618
 619     let post_listing_single_with_person = PostView::read(
 620       pool,
 621       data.inserted_post.id,
 622       Some(data.inserted_person.id),
 623       None,
 624     )
 625     .await
 626     .unwrap();
 627
 628     let mut expected_post_listing_with_user = expected_post_view(&data, pool).await;
 629
 630     // Should be only one person, IE the bot post, and blocked should be missing
 631     assert_eq!(1, read_post_listing.len());
 632
 633     assert_eq!(expected_post_listing_with_user, read_post_listing[0]);
 634     expected_post_listing_with_user.my_vote = Some(0);
 635     assert_eq!(
 636       expected_post_listing_with_user,
 637       post_listing_single_with_person
 638     );
 639
 640     let local_user_form = LocalUserUpdateForm::builder()
 641       .show_bot_accounts(Some(true))
 642       .build();
 643     let inserted_local_user =
 644       LocalUser::update(pool, data.inserted_local_user.id, &local_user_form)
 645         .await
 646         .unwrap();
 647
 648     let post_listings_with_bots = PostQuery::builder()
 649       .pool(pool)
 650       .sort(Some(SortType::New))
 651       .community_id(Some(data.inserted_community.id))
 652       .local_user(Some(&inserted_local_user))
 653       .build()
 654       .list()
 655       .await
 656       .unwrap();
 657     // should include bot post which has "undetermined" language
 658     assert_eq!(2, post_listings_with_bots.len());
 659
 660     cleanup(data, pool).await;
 661   }
 662
 663   #[tokio::test]
 664   #[serial]
 665   async fn post_listing_no_person() {
 666     let pool = &build_db_pool_for_tests().await;
 667     let data = init_data(pool).await;
 668
 669     let read_post_listing_multiple_no_person = PostQuery::builder()
 670       .pool(pool)
 671       .sort(Some(SortType::New))
 672       .community_id(Some(data.inserted_community.id))
 673       .build()
 674       .list()
 675       .await
 676       .unwrap();
 677
 678     let read_post_listing_single_no_person =
 679       PostView::read(pool, data.inserted_post.id, None, None)
 680         .await
 681         .unwrap();
 682
 683     let expected_post_listing_no_person = expected_post_view(&data, pool).await;
 684
 685     // Should be 2 posts, with the bot post, and the blocked
 686     assert_eq!(3, read_post_listing_multiple_no_person.len());
 687
 688     assert_eq!(
 689       expected_post_listing_no_person,
 690       read_post_listing_multiple_no_person[1]
 691     );
 692     assert_eq!(
 693       expected_post_listing_no_person,
 694       read_post_listing_single_no_person
 695     );
 696
 697     cleanup(data, pool).await;
 698   }
 699
 700   #[tokio::test]
 701   #[serial]
 702   async fn post_listing_block_community() {
 703     let pool = &build_db_pool_for_tests().await;
 704     let data = init_data(pool).await;
 705
 706     let community_block = CommunityBlockForm {
 707       person_id: data.inserted_person.id,
 708       community_id: data.inserted_community.id,
 709     };
 710     CommunityBlock::block(pool, &community_block).await.unwrap();
 711
 712     let read_post_listings_with_person_after_block = PostQuery::builder()
 713       .pool(pool)
 714       .sort(Some(SortType::New))
 715       .community_id(Some(data.inserted_community.id))
 716       .local_user(Some(&data.inserted_local_user))
 717       .build()
 718       .list()
 719       .await
 720       .unwrap();
 721     // Should be 0 posts after the community block
 722     assert_eq!(0, read_post_listings_with_person_after_block.len());
 723
 724     CommunityBlock::unblock(pool, &community_block)
 725       .await
 726       .unwrap();
 727     cleanup(data, pool).await;
 728   }
 729
 730   #[tokio::test]
 731   #[serial]
 732   async fn post_listing_like() {
 733     let pool = &build_db_pool_for_tests().await;
 734     let data = init_data(pool).await;
 735
 736     let post_like_form = PostLikeForm {
 737       post_id: data.inserted_post.id,
 738       person_id: data.inserted_person.id,
 739       score: 1,
 740     };
 741
 742     let inserted_post_like = PostLike::like(pool, &post_like_form).await.unwrap();
 743
 744     let expected_post_like = PostLike {
 745       id: inserted_post_like.id,
 746       post_id: data.inserted_post.id,
 747       person_id: data.inserted_person.id,
 748       published: inserted_post_like.published,
 749       score: 1,
 750     };
 751     assert_eq!(expected_post_like, inserted_post_like);
 752
 753     let post_listing_single_with_person = PostView::read(
 754       pool,
 755       data.inserted_post.id,
 756       Some(data.inserted_person.id),
 757       None,
 758     )
 759     .await
 760     .unwrap();
 761
 762     let mut expected_post_with_upvote = expected_post_view(&data, pool).await;
 763     expected_post_with_upvote.my_vote = Some(1);
 764     expected_post_with_upvote.counts.score = 1;
 765     expected_post_with_upvote.counts.upvotes = 1;
 766     assert_eq!(expected_post_with_upvote, post_listing_single_with_person);
 767
 768     let local_user_form = LocalUserUpdateForm::builder()
 769       .show_bot_accounts(Some(false))
 770       .build();
 771     let inserted_local_user =
 772       LocalUser::update(pool, data.inserted_local_user.id, &local_user_form)
 773         .await
 774         .unwrap();
 775
 776     let read_post_listing = PostQuery::builder()
 777       .pool(pool)
 778       .sort(Some(SortType::New))
 779       .community_id(Some(data.inserted_community.id))
 780       .local_user(Some(&inserted_local_user))
 781       .build()
 782       .list()
 783       .await
 784       .unwrap();
 785     assert_eq!(1, read_post_listing.len());
 786
 787     assert_eq!(expected_post_with_upvote, read_post_listing[0]);
 788
 789     let like_removed = PostLike::remove(pool, data.inserted_person.id, data.inserted_post.id)
 790       .await
 791       .unwrap();
 792     assert_eq!(1, like_removed);
 793     cleanup(data, pool).await;
 794   }
 795
 796   #[tokio::test]
 797   #[serial]
 798   async fn post_listing_person_language() {
 799     let pool = &build_db_pool_for_tests().await;
 800     let data = init_data(pool).await;
 801
 802     let spanish_id = Language::read_id_from_code(pool, Some("es"))
 803       .await
 804       .unwrap()
 805       .unwrap();
 806     let post_spanish = PostInsertForm::builder()
 807       .name("asffgdsc".to_string())
 808       .creator_id(data.inserted_person.id)
 809       .community_id(data.inserted_community.id)
 810       .language_id(Some(spanish_id))
 811       .build();
 812
 813     Post::create(pool, &post_spanish).await.unwrap();
 814
 815     let post_listings_all = PostQuery::builder()
 816       .pool(pool)
 817       .sort(Some(SortType::New))
 818       .local_user(Some(&data.inserted_local_user))
 819       .build()
 820       .list()
 821       .await
 822       .unwrap();
 823
 824     // no language filters specified, all posts should be returned
 825     assert_eq!(3, post_listings_all.len());
 826
 827     let french_id = Language::read_id_from_code(pool, Some("fr"))
 828       .await
 829       .unwrap()
 830       .unwrap();
 831     LocalUserLanguage::update(pool, vec![french_id], data.inserted_local_user.id)
 832       .await
 833       .unwrap();
 834
 835     let post_listing_french = PostQuery::builder()
 836       .pool(pool)
 837       .sort(Some(SortType::New))
 838       .local_user(Some(&data.inserted_local_user))
 839       .build()
 840       .list()
 841       .await
 842       .unwrap();
 843
 844     // only one post in french and one undetermined should be returned
 845     assert_eq!(2, post_listing_french.len());
 846     assert!(post_listing_french
 847       .iter()
 848       .any(|p| p.post.language_id == french_id));
 849
 850     LocalUserLanguage::update(
 851       pool,
 852       vec![french_id, UNDETERMINED_ID],
 853       data.inserted_local_user.id,
 854     )
 855     .await
 856     .unwrap();
 857     let post_listings_french_und = PostQuery::builder()
 858       .pool(pool)
 859       .sort(Some(SortType::New))
 860       .local_user(Some(&data.inserted_local_user))
 861       .build()
 862       .list()
 863       .await
 864       .unwrap();
 865
 866     // french post and undetermined language post should be returned
 867     assert_eq!(2, post_listings_french_und.len());
 868     assert_eq!(
 869       UNDETERMINED_ID,
 870       post_listings_french_und[0].post.language_id
 871     );
 872     assert_eq!(french_id, post_listings_french_und[1].post.language_id);
 873
 874     cleanup(data, pool).await;
 875   }
 876
 877   #[tokio::test]
 878   #[serial]
 879   async fn post_listings_deleted() {
 880     let pool = &build_db_pool_for_tests().await;
 881     let data = init_data(pool).await;
 882
 883     // Delete the post
 884     Post::update(
 885       pool,
 886       data.inserted_post.id,
 887       &PostUpdateForm::builder().deleted(Some(true)).build(),
 888     )
 889     .await
 890     .unwrap();
 891
 892     // Make sure you don't see the deleted post in the results
 893     let post_listings_no_admin = PostQuery::builder()
 894       .pool(pool)
 895       .sort(Some(SortType::New))
 896       .local_user(Some(&data.inserted_local_user))
 897       .is_mod_or_admin(Some(false))
 898       .build()
 899       .list()
 900       .await
 901       .unwrap();
 902
 903     assert_eq!(1, post_listings_no_admin.len());
 904
 905     // Make sure they see both
 906     let post_listings_is_admin = PostQuery::builder()
 907       .pool(pool)
 908       .sort(Some(SortType::New))
 909       .local_user(Some(&data.inserted_local_user))
 910       .is_mod_or_admin(Some(true))
 911       .build()
 912       .list()
 913       .await
 914       .unwrap();
 915
 916     assert_eq!(2, post_listings_is_admin.len());
 917
 918     cleanup(data, pool).await;
 919   }
 920
 921   async fn cleanup(data: Data, pool: &DbPool) {
 922     let num_deleted = Post::delete(pool, data.inserted_post.id).await.unwrap();
 923     Community::delete(pool, data.inserted_community.id)
 924       .await
 925       .unwrap();
 926     Person::delete(pool, data.inserted_person.id).await.unwrap();
 927     Person::delete(pool, data.inserted_bot.id).await.unwrap();
 928     Person::delete(pool, data.inserted_blocked_person.id)
 929       .await
 930       .unwrap();
 931     Instance::delete(pool, data.inserted_instance.id)
 932       .await
 933       .unwrap();
 934     assert_eq!(1, num_deleted);
 935   }
 936
 937   async fn expected_post_view(data: &Data, pool: &DbPool) -> PostView {
 938     let (inserted_person, inserted_community, inserted_post) = (
 939       &data.inserted_person,
 940       &data.inserted_community,
 941       &data.inserted_post,
 942     );
 943     let agg = PostAggregates::read(pool, inserted_post.id).await.unwrap();
 944
 945     PostView {
 946       post: Post {
 947         id: inserted_post.id,
 948         name: inserted_post.name.clone(),
 949         creator_id: inserted_person.id,
 950         url: None,
 951         body: None,
 952         published: inserted_post.published,
 953         updated: None,
 954         community_id: inserted_community.id,
 955         removed: false,
 956         deleted: false,
 957         locked: false,
 958         nsfw: false,
 959         embed_title: None,
 960         embed_description: None,
 961         embed_video_url: None,
 962         thumbnail_url: None,
 963         ap_id: inserted_post.ap_id.clone(),
 964         local: true,
 965         language_id: LanguageId(47),
 966         featured_community: false,
 967         featured_local: false,
 968       },
 969       my_vote: None,
 970       unread_comments: 0,
 971       creator: Person {
 972         id: inserted_person.id,
 973         name: inserted_person.name.clone(),
 974         display_name: None,
 975         published: inserted_person.published,
 976         avatar: None,
 977         actor_id: inserted_person.actor_id.clone(),
 978         local: true,
 979         admin: false,
 980         bot_account: false,
 981         banned: false,
 982         deleted: false,
 983         bio: None,
 984         banner: None,
 985         updated: None,
 986         inbox_url: inserted_person.inbox_url.clone(),
 987         shared_inbox_url: None,
 988         matrix_user_id: None,
 989         ban_expires: None,
 990         instance_id: data.inserted_instance.id,
 991         private_key: inserted_person.private_key.clone(),
 992         public_key: inserted_person.public_key.clone(),
 993         last_refreshed_at: inserted_person.last_refreshed_at,
 994       },
 995       creator_banned_from_community: false,
 996       community: Community {
 997         id: inserted_community.id,
 998         name: inserted_community.name.clone(),
 999         icon: None,
1000         removed: false,
1001         deleted: false,
1002         nsfw: false,
1003         actor_id: inserted_community.actor_id.clone(),
1004         local: true,
1005         title: "nada".to_owned(),
1006         description: None,
1007         updated: None,
1008         banner: None,
1009         hidden: false,
1010         posting_restricted_to_mods: false,
1011         published: inserted_community.published,
1012         instance_id: data.inserted_instance.id,
1013         private_key: inserted_community.private_key.clone(),
1014         public_key: inserted_community.public_key.clone(),
1015         last_refreshed_at: inserted_community.last_refreshed_at,
1016         followers_url: inserted_community.followers_url.clone(),
1017         inbox_url: inserted_community.inbox_url.clone(),
1018         shared_inbox_url: inserted_community.shared_inbox_url.clone(),
1019         moderators_url: inserted_community.moderators_url.clone(),
1020         featured_url: inserted_community.featured_url.clone(),
1021       },
1022       counts: PostAggregates {
1023         id: agg.id,
1024         post_id: inserted_post.id,
1025         comments: 0,
1026         score: 0,
1027         upvotes: 0,
1028         downvotes: 0,
1029         published: agg.published,
1030         newest_comment_time_necro: inserted_post.published,
1031         newest_comment_time: inserted_post.published,
1032         featured_community: false,
1033         featured_local: false,
1034         hot_rank: 1728,
1035         hot_rank_active: 1728,
1036       },
1037       subscribed: SubscribedType::NotSubscribed,
1038       read: false,
1039       saved: false,
1040       creator_blocked: false,
1041     }
1042   }
1043 }