crates/db_views/src/post_view.rs

   1 use crate::structs::{LocalUserView, 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_moderator,
  25     community_person_ban,
  26     local_user_language,
  27     person,
  28     person_block,
  29     person_post_aggregates,
  30     post,
  31     post_aggregates,
  32     post_like,
  33     post_read,
  34     post_saved,
  35   },
  36   source::{
  37     community::{Community, CommunityFollower, CommunityPersonBan},
  38     person::Person,
  39     person_block::PersonBlock,
  40     post::{Post, PostRead, PostSaved},
  41   },
  42   traits::JoinView,
  43   utils::{fuzzy_search, limit_and_offset, DbConn, DbPool, ListFn, Queries, ReadFn},
  44   ListingType,
  45   SortType,
  46 };
  47 use tracing::debug;
  48
  49 type PostViewTuple = (
  50   Post,
  51   Person,
  52   Community,
  53   Option<CommunityPersonBan>,
  54   PostAggregates,
  55   Option<CommunityFollower>,
  56   Option<PostSaved>,
  57   Option<PostRead>,
  58   Option<PersonBlock>,
  59   Option<i16>,
  60   i64,
  61 );
  62
  63 sql_function!(fn coalesce(x: sql_types::Nullable<sql_types::BigInt>, y: sql_types::BigInt) -> sql_types::BigInt);
  64
  65 fn queries<'a>() -> Queries<
  66   impl ReadFn<'a, PostView, (PostId, Option<PersonId>, Option<bool>)>,
  67   impl ListFn<'a, PostView, PostQuery<'a>>,
  68 > {
  69   let all_joins = |query: post_aggregates::BoxedQuery<'a, Pg>, my_person_id: Option<PersonId>| {
  70     // The left join below will return None in this case
  71     let person_id_join = my_person_id.unwrap_or(PersonId(-1));
  72
  73     query
  74       .inner_join(person::table)
  75       .inner_join(community::table)
  76       .left_join(
  77         community_person_ban::table.on(
  78           post_aggregates::community_id
  79             .eq(community_person_ban::community_id)
  80             .and(community_person_ban::person_id.eq(post_aggregates::creator_id)),
  81         ),
  82       )
  83       .inner_join(post::table)
  84       .left_join(
  85         community_follower::table.on(
  86           post_aggregates::community_id
  87             .eq(community_follower::community_id)
  88             .and(community_follower::person_id.eq(person_id_join)),
  89         ),
  90       )
  91       .left_join(
  92         community_moderator::table.on(
  93           post::community_id
  94             .eq(community_moderator::community_id)
  95             .and(community_moderator::person_id.eq(person_id_join)),
  96         ),
  97       )
  98       .left_join(
  99         post_saved::table.on(
 100           post_aggregates::post_id
 101             .eq(post_saved::post_id)
 102             .and(post_saved::person_id.eq(person_id_join)),
 103         ),
 104       )
 105       .left_join(
 106         post_read::table.on(
 107           post_aggregates::post_id
 108             .eq(post_read::post_id)
 109             .and(post_read::person_id.eq(person_id_join)),
 110         ),
 111       )
 112       .left_join(
 113         person_block::table.on(
 114           post_aggregates::creator_id
 115             .eq(person_block::target_id)
 116             .and(person_block::person_id.eq(person_id_join)),
 117         ),
 118       )
 119       .left_join(
 120         post_like::table.on(
 121           post_aggregates::post_id
 122             .eq(post_like::post_id)
 123             .and(post_like::person_id.eq(person_id_join)),
 124         ),
 125       )
 126       .left_join(
 127         person_post_aggregates::table.on(
 128           post_aggregates::post_id
 129             .eq(person_post_aggregates::post_id)
 130             .and(person_post_aggregates::person_id.eq(person_id_join)),
 131         ),
 132       )
 133   };
 134
 135   let selection = (
 136     post::all_columns,
 137     person::all_columns,
 138     community::all_columns,
 139     community_person_ban::all_columns.nullable(),
 140     post_aggregates::all_columns,
 141     community_follower::all_columns.nullable(),
 142     post_saved::all_columns.nullable(),
 143     post_read::all_columns.nullable(),
 144     person_block::all_columns.nullable(),
 145     post_like::score.nullable(),
 146     coalesce(
 147       post_aggregates::comments.nullable() - person_post_aggregates::read_comments.nullable(),
 148       post_aggregates::comments,
 149     ),
 150   );
 151
 152   let read = move |mut conn: DbConn<'a>,
 153                    (post_id, my_person_id, is_mod_or_admin): (
 154     PostId,
 155     Option<PersonId>,
 156     Option<bool>,
 157   )| async move {
 158     // The left join below will return None in this case
 159     let person_id_join = my_person_id.unwrap_or(PersonId(-1));
 160
 161     let mut query = all_joins(
 162       post_aggregates::table
 163         .filter(post_aggregates::post_id.eq(post_id))
 164         .into_boxed(),
 165       my_person_id,
 166     )
 167     .select(selection);
 168
 169     // Hide deleted and removed for non-admins or mods
 170     if !is_mod_or_admin.unwrap_or(false) {
 171       query = query
 172         .filter(community::removed.eq(false))
 173         .filter(post::removed.eq(false))
 174         // users can see their own deleted posts
 175         .filter(
 176           community::deleted
 177             .eq(false)
 178             .or(post::creator_id.eq(person_id_join)),
 179         )
 180         .filter(
 181           post::deleted
 182             .eq(false)
 183             .or(post::creator_id.eq(person_id_join)),
 184         );
 185     }
 186
 187     query.first::<PostViewTuple>(&mut conn).await
 188   };
 189
 190   let list = move |mut conn: DbConn<'a>, options: PostQuery<'a>| async move {
 191     let person_id = options.local_user.map(|l| l.person.id);
 192     let local_user_id = options.local_user.map(|l| l.local_user.id);
 193
 194     // The left join below will return None in this case
 195     let person_id_join = person_id.unwrap_or(PersonId(-1));
 196     let local_user_id_join = local_user_id.unwrap_or(LocalUserId(-1));
 197
 198     let mut query = all_joins(post_aggregates::table.into_boxed(), person_id)
 199       .left_join(
 200         community_block::table.on(
 201           post_aggregates::community_id
 202             .eq(community_block::community_id)
 203             .and(community_block::person_id.eq(person_id_join)),
 204         ),
 205       )
 206       .left_join(
 207         local_user_language::table.on(
 208           post::language_id
 209             .eq(local_user_language::language_id)
 210             .and(local_user_language::local_user_id.eq(local_user_id_join)),
 211         ),
 212       )
 213       .select(selection);
 214
 215     let is_creator = options.creator_id == options.local_user.map(|l| l.person.id);
 216     // only show deleted posts to creator
 217     if is_creator {
 218       query = query
 219         .filter(community::deleted.eq(false))
 220         .filter(post::deleted.eq(false));
 221     }
 222
 223     let is_admin = options.local_user.map(|l| l.person.admin).unwrap_or(false);
 224     // only show removed posts to admin when viewing user profile
 225     if !(options.is_profile_view && is_admin) {
 226       query = query
 227         .filter(community::removed.eq(false))
 228         .filter(post::removed.eq(false));
 229     }
 230
 231     if options.community_id.is_none() {
 232       query = query.then_order_by(post_aggregates::featured_local.desc());
 233     } else if let Some(community_id) = options.community_id {
 234       query = query
 235         .filter(post_aggregates::community_id.eq(community_id))
 236         .then_order_by(post_aggregates::featured_community.desc());
 237     }
 238
 239     if let Some(creator_id) = options.creator_id {
 240       query = query.filter(post_aggregates::creator_id.eq(creator_id));
 241     }
 242
 243     if let Some(listing_type) = options.listing_type {
 244       match listing_type {
 245         ListingType::Subscribed => {
 246           query = query.filter(community_follower::person_id.is_not_null())
 247         }
 248         ListingType::Local => {
 249           query = query.filter(community::local.eq(true)).filter(
 250             community::hidden
 251               .eq(false)
 252               .or(community_follower::person_id.eq(person_id_join)),
 253           );
 254         }
 255         ListingType::All => {
 256           query = query.filter(
 257             community::hidden
 258               .eq(false)
 259               .or(community_follower::person_id.eq(person_id_join)),
 260           )
 261         }
 262       }
 263     }
 264
 265     if let Some(url_search) = options.url_search {
 266       query = query.filter(post::url.eq(url_search));
 267     }
 268
 269     if let Some(search_term) = options.search_term {
 270       let searcher = fuzzy_search(&search_term);
 271       query = query.filter(
 272         post::name
 273           .ilike(searcher.clone())
 274           .or(post::body.ilike(searcher)),
 275       );
 276     }
 277
 278     if !options
 279       .local_user
 280       .map(|l| l.local_user.show_nsfw)
 281       .unwrap_or(false)
 282     {
 283       query = query
 284         .filter(post::nsfw.eq(false))
 285         .filter(community::nsfw.eq(false));
 286     };
 287
 288     if !options
 289       .local_user
 290       .map(|l| l.local_user.show_bot_accounts)
 291       .unwrap_or(true)
 292     {
 293       query = query.filter(person::bot_account.eq(false));
 294     };
 295
 296     if options.saved_only.unwrap_or(false) {
 297       query = query.filter(post_saved::post_id.is_not_null());
 298     }
 299
 300     if options.moderator_view.unwrap_or(false) {
 301       query = query.filter(community_moderator::person_id.is_not_null());
 302     }
 303     // Only hide the read posts, if the saved_only is false. Otherwise ppl with the hide_read
 304     // setting wont be able to see saved posts.
 305     else if !options
 306       .local_user
 307       .map(|l| l.local_user.show_read_posts)
 308       .unwrap_or(true)
 309     {
 310       // Do not hide read posts when it is a user profile view
 311       if !options.is_profile_view {
 312         query = query.filter(post_read::post_id.is_null());
 313       }
 314     }
 315
 316     if options.liked_only.unwrap_or_default() {
 317       query = query.filter(post_like::score.eq(1));
 318     } else if options.disliked_only.unwrap_or_default() {
 319       query = query.filter(post_like::score.eq(-1));
 320     }
 321
 322     if options.local_user.is_some() {
 323       // Filter out the rows with missing languages
 324       query = query.filter(local_user_language::language_id.is_not_null());
 325
 326       // Don't show blocked communities or persons
 327       query = query.filter(community_block::person_id.is_null());
 328       if !options.moderator_view.unwrap_or(false) {
 329         query = query.filter(person_block::person_id.is_null());
 330       }
 331     }
 332
 333     query = match options.sort.unwrap_or(SortType::Hot) {
 334       SortType::Active => query
 335         .then_order_by(post_aggregates::hot_rank_active.desc())
 336         .then_order_by(post_aggregates::published.desc()),
 337       SortType::Hot => query
 338         .then_order_by(post_aggregates::hot_rank.desc())
 339         .then_order_by(post_aggregates::published.desc()),
 340       SortType::Controversial => query.then_order_by(post_aggregates::controversy_rank.desc()),
 341       SortType::New => query.then_order_by(post_aggregates::published.desc()),
 342       SortType::Old => query.then_order_by(post_aggregates::published.asc()),
 343       SortType::NewComments => query.then_order_by(post_aggregates::newest_comment_time.desc()),
 344       SortType::MostComments => query
 345         .then_order_by(post_aggregates::comments.desc())
 346         .then_order_by(post_aggregates::published.desc()),
 347       SortType::TopAll => query
 348         .then_order_by(post_aggregates::score.desc())
 349         .then_order_by(post_aggregates::published.desc()),
 350       SortType::TopYear => query
 351         .filter(post_aggregates::published.gt(now - 1.years()))
 352         .then_order_by(post_aggregates::score.desc())
 353         .then_order_by(post_aggregates::published.desc()),
 354       SortType::TopMonth => query
 355         .filter(post_aggregates::published.gt(now - 1.months()))
 356         .then_order_by(post_aggregates::score.desc())
 357         .then_order_by(post_aggregates::published.desc()),
 358       SortType::TopWeek => query
 359         .filter(post_aggregates::published.gt(now - 1.weeks()))
 360         .then_order_by(post_aggregates::score.desc())
 361         .then_order_by(post_aggregates::published.desc()),
 362       SortType::TopDay => query
 363         .filter(post_aggregates::published.gt(now - 1.days()))
 364         .then_order_by(post_aggregates::score.desc())
 365         .then_order_by(post_aggregates::published.desc()),
 366       SortType::TopHour => query
 367         .filter(post_aggregates::published.gt(now - 1.hours()))
 368         .then_order_by(post_aggregates::score.desc())
 369         .then_order_by(post_aggregates::published.desc()),
 370       SortType::TopSixHour => query
 371         .filter(post_aggregates::published.gt(now - 6.hours()))
 372         .then_order_by(post_aggregates::score.desc())
 373         .then_order_by(post_aggregates::published.desc()),
 374       SortType::TopTwelveHour => query
 375         .filter(post_aggregates::published.gt(now - 12.hours()))
 376         .then_order_by(post_aggregates::score.desc())
 377         .then_order_by(post_aggregates::published.desc()),
 378       SortType::TopThreeMonths => query
 379         .filter(post_aggregates::published.gt(now - 3.months()))
 380         .then_order_by(post_aggregates::score.desc())
 381         .then_order_by(post_aggregates::published.desc()),
 382       SortType::TopSixMonths => query
 383         .filter(post_aggregates::published.gt(now - 6.months()))
 384         .then_order_by(post_aggregates::score.desc())
 385         .then_order_by(post_aggregates::published.desc()),
 386       SortType::TopNineMonths => query
 387         .filter(post_aggregates::published.gt(now - 9.months()))
 388         .then_order_by(post_aggregates::score.desc())
 389         .then_order_by(post_aggregates::published.desc()),
 390     };
 391
 392     let (limit, offset) = limit_and_offset(options.page, options.limit)?;
 393
 394     query = query.limit(limit).offset(offset);
 395
 396     debug!("Post View Query: {:?}", debug_query::<Pg, _>(&query));
 397
 398     query.load::<PostViewTuple>(&mut conn).await
 399   };
 400
 401   Queries::new(read, list)
 402 }
 403
 404 impl PostView {
 405   pub async fn read(
 406     pool: &mut DbPool<'_>,
 407     post_id: PostId,
 408     my_person_id: Option<PersonId>,
 409     is_mod_or_admin: Option<bool>,
 410   ) -> Result<Self, Error> {
 411     let mut res = queries()
 412       .read(pool, (post_id, my_person_id, is_mod_or_admin))
 413       .await?;
 414
 415     // If a person is given, then my_vote, if None, should be 0, not null
 416     // Necessary to differentiate between other person's votes
 417     if my_person_id.is_some() && res.my_vote.is_none() {
 418       res.my_vote = Some(0)
 419     };
 420
 421     Ok(res)
 422   }
 423 }
 424
 425 #[derive(Default)]
 426 pub struct PostQuery<'a> {
 427   pub listing_type: Option<ListingType>,
 428   pub sort: Option<SortType>,
 429   pub creator_id: Option<PersonId>,
 430   pub community_id: Option<CommunityId>,
 431   pub local_user: Option<&'a LocalUserView>,
 432   pub search_term: Option<String>,
 433   pub url_search: Option<String>,
 434   pub saved_only: Option<bool>,
 435   pub liked_only: Option<bool>,
 436   pub disliked_only: Option<bool>,
 437   pub moderator_view: Option<bool>,
 438   pub is_profile_view: bool,
 439   pub page: Option<i64>,
 440   pub limit: Option<i64>,
 441 }
 442
 443 impl<'a> PostQuery<'a> {
 444   pub async fn list(self, pool: &mut DbPool<'_>) -> Result<Vec<PostView>, Error> {
 445     queries().list(pool, self).await
 446   }
 447 }
 448
 449 impl JoinView for PostView {
 450   type JoinTuple = PostViewTuple;
 451   fn from_tuple(a: Self::JoinTuple) -> Self {
 452     Self {
 453       post: a.0,
 454       creator: a.1,
 455       community: a.2,
 456       creator_banned_from_community: a.3.is_some(),
 457       counts: a.4,
 458       subscribed: CommunityFollower::to_subscribed_type(&a.5),
 459       saved: a.6.is_some(),
 460       read: a.7.is_some(),
 461       creator_blocked: a.8.is_some(),
 462       my_vote: a.9,
 463       unread_comments: a.10,
 464     }
 465   }
 466 }
 467
 468 #[cfg(test)]
 469 mod tests {
 470   #![allow(clippy::unwrap_used)]
 471   #![allow(clippy::indexing_slicing)]
 472
 473   use crate::{
 474     post_view::{PostQuery, PostView},
 475     structs::LocalUserView,
 476   };
 477   use lemmy_db_schema::{
 478     aggregates::structs::PostAggregates,
 479     impls::actor_language::UNDETERMINED_ID,
 480     newtypes::LanguageId,
 481     source::{
 482       actor_language::LocalUserLanguage,
 483       community::{Community, CommunityInsertForm},
 484       community_block::{CommunityBlock, CommunityBlockForm},
 485       instance::Instance,
 486       language::Language,
 487       local_user::{LocalUser, LocalUserInsertForm, LocalUserUpdateForm},
 488       person::{Person, PersonInsertForm},
 489       person_block::{PersonBlock, PersonBlockForm},
 490       post::{Post, PostInsertForm, PostLike, PostLikeForm, PostUpdateForm},
 491     },
 492     traits::{Blockable, Crud, Likeable},
 493     utils::{build_db_pool_for_tests, DbPool},
 494     SortType,
 495     SubscribedType,
 496   };
 497   use serial_test::serial;
 498
 499   struct Data {
 500     inserted_instance: Instance,
 501     local_user_view: LocalUserView,
 502     inserted_blocked_person: Person,
 503     inserted_bot: Person,
 504     inserted_community: Community,
 505     inserted_post: Post,
 506   }
 507
 508   async fn init_data(pool: &mut DbPool<'_>) -> Data {
 509     let inserted_instance = Instance::read_or_create(pool, "my_domain.tld".to_string())
 510       .await
 511       .unwrap();
 512
 513     let person_name = "tegan".to_string();
 514
 515     let new_person = PersonInsertForm::builder()
 516       .name(person_name.clone())
 517       .public_key("pubkey".to_string())
 518       .instance_id(inserted_instance.id)
 519       .build();
 520
 521     let inserted_person = Person::create(pool, &new_person).await.unwrap();
 522
 523     let local_user_form = LocalUserInsertForm::builder()
 524       .person_id(inserted_person.id)
 525       .password_encrypted(String::new())
 526       .build();
 527     let inserted_local_user = LocalUser::create(pool, &local_user_form).await.unwrap();
 528
 529     let new_bot = PersonInsertForm::builder()
 530       .name("mybot".to_string())
 531       .bot_account(Some(true))
 532       .public_key("pubkey".to_string())
 533       .instance_id(inserted_instance.id)
 534       .build();
 535
 536     let inserted_bot = Person::create(pool, &new_bot).await.unwrap();
 537
 538     let new_community = CommunityInsertForm::builder()
 539       .name("test_community_3".to_string())
 540       .title("nada".to_owned())
 541       .public_key("pubkey".to_string())
 542       .instance_id(inserted_instance.id)
 543       .build();
 544
 545     let inserted_community = Community::create(pool, &new_community).await.unwrap();
 546
 547     // Test a person block, make sure the post query doesn't include their post
 548     let blocked_person = PersonInsertForm::builder()
 549       .name(person_name)
 550       .public_key("pubkey".to_string())
 551       .instance_id(inserted_instance.id)
 552       .build();
 553
 554     let inserted_blocked_person = Person::create(pool, &blocked_person).await.unwrap();
 555
 556     let post_from_blocked_person = PostInsertForm::builder()
 557       .name("blocked_person_post".to_string())
 558       .creator_id(inserted_blocked_person.id)
 559       .community_id(inserted_community.id)
 560       .language_id(Some(LanguageId(1)))
 561       .build();
 562
 563     Post::create(pool, &post_from_blocked_person).await.unwrap();
 564
 565     // block that person
 566     let person_block = PersonBlockForm {
 567       person_id: inserted_person.id,
 568       target_id: inserted_blocked_person.id,
 569     };
 570
 571     PersonBlock::block(pool, &person_block).await.unwrap();
 572
 573     // A sample post
 574     let new_post = PostInsertForm::builder()
 575       .name("test post 3".to_string())
 576       .creator_id(inserted_person.id)
 577       .community_id(inserted_community.id)
 578       .language_id(Some(LanguageId(47)))
 579       .build();
 580
 581     let inserted_post = Post::create(pool, &new_post).await.unwrap();
 582
 583     let new_bot_post = PostInsertForm::builder()
 584       .name("test bot post".to_string())
 585       .creator_id(inserted_bot.id)
 586       .community_id(inserted_community.id)
 587       .build();
 588
 589     let _inserted_bot_post = Post::create(pool, &new_bot_post).await.unwrap();
 590     let local_user_view = LocalUserView {
 591       local_user: inserted_local_user,
 592       person: inserted_person,
 593       counts: Default::default(),
 594     };
 595
 596     Data {
 597       inserted_instance,
 598       local_user_view,
 599       inserted_blocked_person,
 600       inserted_bot,
 601       inserted_community,
 602       inserted_post,
 603     }
 604   }
 605
 606   #[tokio::test]
 607   #[serial]
 608   async fn post_listing_with_person() {
 609     let pool = &build_db_pool_for_tests().await;
 610     let pool = &mut pool.into();
 611     let mut data = init_data(pool).await;
 612
 613     let local_user_form = LocalUserUpdateForm::builder()
 614       .show_bot_accounts(Some(false))
 615       .build();
 616     let inserted_local_user =
 617       LocalUser::update(pool, data.local_user_view.local_user.id, &local_user_form)
 618         .await
 619         .unwrap();
 620     data.local_user_view.local_user = inserted_local_user;
 621
 622     let read_post_listing = PostQuery {
 623       sort: (Some(SortType::New)),
 624       community_id: (Some(data.inserted_community.id)),
 625       local_user: (Some(&data.local_user_view)),
 626       ..Default::default()
 627     }
 628     .list(pool)
 629     .await
 630     .unwrap();
 631
 632     let post_listing_single_with_person = PostView::read(
 633       pool,
 634       data.inserted_post.id,
 635       Some(data.local_user_view.person.id),
 636       None,
 637     )
 638     .await
 639     .unwrap();
 640
 641     let mut expected_post_listing_with_user = expected_post_view(&data, pool).await;
 642
 643     // Should be only one person, IE the bot post, and blocked should be missing
 644     assert_eq!(1, read_post_listing.len());
 645
 646     assert_eq!(expected_post_listing_with_user, read_post_listing[0]);
 647     expected_post_listing_with_user.my_vote = Some(0);
 648     assert_eq!(
 649       expected_post_listing_with_user,
 650       post_listing_single_with_person
 651     );
 652
 653     let local_user_form = LocalUserUpdateForm::builder()
 654       .show_bot_accounts(Some(true))
 655       .build();
 656     let inserted_local_user =
 657       LocalUser::update(pool, data.local_user_view.local_user.id, &local_user_form)
 658         .await
 659         .unwrap();
 660     data.local_user_view.local_user = inserted_local_user;
 661
 662     let post_listings_with_bots = PostQuery {
 663       sort: (Some(SortType::New)),
 664       community_id: (Some(data.inserted_community.id)),
 665       local_user: (Some(&data.local_user_view)),
 666       ..Default::default()
 667     }
 668     .list(pool)
 669     .await
 670     .unwrap();
 671     // should include bot post which has "undetermined" language
 672     assert_eq!(2, post_listings_with_bots.len());
 673
 674     cleanup(data, pool).await;
 675   }
 676
 677   #[tokio::test]
 678   #[serial]
 679   async fn post_listing_no_person() {
 680     let pool = &build_db_pool_for_tests().await;
 681     let pool = &mut pool.into();
 682     let data = init_data(pool).await;
 683
 684     let read_post_listing_multiple_no_person = PostQuery {
 685       sort: (Some(SortType::New)),
 686       community_id: (Some(data.inserted_community.id)),
 687       ..Default::default()
 688     }
 689     .list(pool)
 690     .await
 691     .unwrap();
 692
 693     let read_post_listing_single_no_person =
 694       PostView::read(pool, data.inserted_post.id, None, None)
 695         .await
 696         .unwrap();
 697
 698     let expected_post_listing_no_person = expected_post_view(&data, pool).await;
 699
 700     // Should be 2 posts, with the bot post, and the blocked
 701     assert_eq!(3, read_post_listing_multiple_no_person.len());
 702
 703     assert_eq!(
 704       expected_post_listing_no_person,
 705       read_post_listing_multiple_no_person[1]
 706     );
 707     assert_eq!(
 708       expected_post_listing_no_person,
 709       read_post_listing_single_no_person
 710     );
 711
 712     cleanup(data, pool).await;
 713   }
 714
 715   #[tokio::test]
 716   #[serial]
 717   async fn post_listing_block_community() {
 718     let pool = &build_db_pool_for_tests().await;
 719     let pool = &mut pool.into();
 720     let data = init_data(pool).await;
 721
 722     let community_block = CommunityBlockForm {
 723       person_id: data.local_user_view.person.id,
 724       community_id: data.inserted_community.id,
 725     };
 726     CommunityBlock::block(pool, &community_block).await.unwrap();
 727
 728     let read_post_listings_with_person_after_block = PostQuery {
 729       sort: (Some(SortType::New)),
 730       community_id: (Some(data.inserted_community.id)),
 731       local_user: (Some(&data.local_user_view)),
 732       ..Default::default()
 733     }
 734     .list(pool)
 735     .await
 736     .unwrap();
 737     // Should be 0 posts after the community block
 738     assert_eq!(0, read_post_listings_with_person_after_block.len());
 739
 740     CommunityBlock::unblock(pool, &community_block)
 741       .await
 742       .unwrap();
 743     cleanup(data, pool).await;
 744   }
 745
 746   #[tokio::test]
 747   #[serial]
 748   async fn post_listing_like() {
 749     let pool = &build_db_pool_for_tests().await;
 750     let pool = &mut pool.into();
 751     let mut data = init_data(pool).await;
 752
 753     let post_like_form = PostLikeForm {
 754       post_id: data.inserted_post.id,
 755       person_id: data.local_user_view.person.id,
 756       score: 1,
 757     };
 758
 759     let inserted_post_like = PostLike::like(pool, &post_like_form).await.unwrap();
 760
 761     let expected_post_like = PostLike {
 762       id: inserted_post_like.id,
 763       post_id: data.inserted_post.id,
 764       person_id: data.local_user_view.person.id,
 765       published: inserted_post_like.published,
 766       score: 1,
 767     };
 768     assert_eq!(expected_post_like, inserted_post_like);
 769
 770     let post_listing_single_with_person = PostView::read(
 771       pool,
 772       data.inserted_post.id,
 773       Some(data.local_user_view.person.id),
 774       None,
 775     )
 776     .await
 777     .unwrap();
 778
 779     let mut expected_post_with_upvote = expected_post_view(&data, pool).await;
 780     expected_post_with_upvote.my_vote = Some(1);
 781     expected_post_with_upvote.counts.score = 1;
 782     expected_post_with_upvote.counts.upvotes = 1;
 783     assert_eq!(expected_post_with_upvote, post_listing_single_with_person);
 784
 785     let local_user_form = LocalUserUpdateForm::builder()
 786       .show_bot_accounts(Some(false))
 787       .build();
 788     let inserted_local_user =
 789       LocalUser::update(pool, data.local_user_view.local_user.id, &local_user_form)
 790         .await
 791         .unwrap();
 792     data.local_user_view.local_user = inserted_local_user;
 793
 794     let read_post_listing = PostQuery {
 795       sort: (Some(SortType::New)),
 796       community_id: (Some(data.inserted_community.id)),
 797       local_user: (Some(&data.local_user_view)),
 798       ..Default::default()
 799     }
 800     .list(pool)
 801     .await
 802     .unwrap();
 803     assert_eq!(1, read_post_listing.len());
 804
 805     assert_eq!(expected_post_with_upvote, read_post_listing[0]);
 806
 807     let read_liked_post_listing = PostQuery {
 808       community_id: (Some(data.inserted_community.id)),
 809       local_user: (Some(&data.local_user_view)),
 810       liked_only: (Some(true)),
 811       ..Default::default()
 812     }
 813     .list(pool)
 814     .await
 815     .unwrap();
 816     assert_eq!(read_post_listing, read_liked_post_listing);
 817
 818     let read_disliked_post_listing = PostQuery {
 819       community_id: (Some(data.inserted_community.id)),
 820       local_user: (Some(&data.local_user_view)),
 821       disliked_only: (Some(true)),
 822       ..Default::default()
 823     }
 824     .list(pool)
 825     .await
 826     .unwrap();
 827     assert!(read_disliked_post_listing.is_empty());
 828
 829     let like_removed =
 830       PostLike::remove(pool, data.local_user_view.person.id, data.inserted_post.id)
 831         .await
 832         .unwrap();
 833     assert_eq!(1, like_removed);
 834     cleanup(data, pool).await;
 835   }
 836
 837   #[tokio::test]
 838   #[serial]
 839   async fn post_listing_person_language() {
 840     let pool = &build_db_pool_for_tests().await;
 841     let pool = &mut pool.into();
 842     let data = init_data(pool).await;
 843
 844     let spanish_id = Language::read_id_from_code(pool, Some("es"))
 845       .await
 846       .unwrap()
 847       .unwrap();
 848     let post_spanish = PostInsertForm::builder()
 849       .name("asffgdsc".to_string())
 850       .creator_id(data.local_user_view.person.id)
 851       .community_id(data.inserted_community.id)
 852       .language_id(Some(spanish_id))
 853       .build();
 854
 855     Post::create(pool, &post_spanish).await.unwrap();
 856
 857     let post_listings_all = PostQuery {
 858       sort: (Some(SortType::New)),
 859       local_user: (Some(&data.local_user_view)),
 860       ..Default::default()
 861     }
 862     .list(pool)
 863     .await
 864     .unwrap();
 865
 866     // no language filters specified, all posts should be returned
 867     assert_eq!(3, post_listings_all.len());
 868
 869     let french_id = Language::read_id_from_code(pool, Some("fr"))
 870       .await
 871       .unwrap()
 872       .unwrap();
 873     LocalUserLanguage::update(pool, vec![french_id], data.local_user_view.local_user.id)
 874       .await
 875       .unwrap();
 876
 877     let post_listing_french = PostQuery {
 878       sort: (Some(SortType::New)),
 879       local_user: (Some(&data.local_user_view)),
 880       ..Default::default()
 881     }
 882     .list(pool)
 883     .await
 884     .unwrap();
 885
 886     // only one post in french and one undetermined should be returned
 887     assert_eq!(2, post_listing_french.len());
 888     assert!(post_listing_french
 889       .iter()
 890       .any(|p| p.post.language_id == french_id));
 891
 892     LocalUserLanguage::update(
 893       pool,
 894       vec![french_id, UNDETERMINED_ID],
 895       data.local_user_view.local_user.id,
 896     )
 897     .await
 898     .unwrap();
 899     let post_listings_french_und = PostQuery {
 900       sort: (Some(SortType::New)),
 901       local_user: (Some(&data.local_user_view)),
 902       ..Default::default()
 903     }
 904     .list(pool)
 905     .await
 906     .unwrap();
 907
 908     // french post and undetermined language post should be returned
 909     assert_eq!(2, post_listings_french_und.len());
 910     assert_eq!(
 911       UNDETERMINED_ID,
 912       post_listings_french_und[0].post.language_id
 913     );
 914     assert_eq!(french_id, post_listings_french_und[1].post.language_id);
 915
 916     cleanup(data, pool).await;
 917   }
 918
 919   #[tokio::test]
 920   #[serial]
 921   async fn post_listings_removed() {
 922     let pool = &build_db_pool_for_tests().await;
 923     let pool = &mut pool.into();
 924     let mut data = init_data(pool).await;
 925
 926     // Remove the post
 927     Post::update(
 928       pool,
 929       data.inserted_post.id,
 930       &PostUpdateForm::builder().removed(Some(true)).build(),
 931     )
 932     .await
 933     .unwrap();
 934
 935     // Make sure you don't see the removed post in the results
 936     let post_listings_no_admin = PostQuery {
 937       sort: Some(SortType::New),
 938       local_user: Some(&data.local_user_view),
 939       ..Default::default()
 940     }
 941     .list(pool)
 942     .await
 943     .unwrap();
 944     assert_eq!(1, post_listings_no_admin.len());
 945
 946     // Removed post is shown to admins on profile page
 947     data.local_user_view.person.admin = true;
 948     let post_listings_is_admin = PostQuery {
 949       sort: Some(SortType::New),
 950       local_user: Some(&data.local_user_view),
 951       is_profile_view: true,
 952       ..Default::default()
 953     }
 954     .list(pool)
 955     .await
 956     .unwrap();
 957     assert_eq!(2, post_listings_is_admin.len());
 958
 959     cleanup(data, pool).await;
 960   }
 961
 962   #[tokio::test]
 963   #[serial]
 964   async fn post_listings_deleted() {
 965     let pool = &build_db_pool_for_tests().await;
 966     let pool = &mut pool.into();
 967     let data = init_data(pool).await;
 968
 969     // Delete the post
 970     Post::update(
 971       pool,
 972       data.inserted_post.id,
 973       &PostUpdateForm::builder().deleted(Some(true)).build(),
 974     )
 975     .await
 976     .unwrap();
 977
 978     // Make sure you don't see the deleted post in the results
 979     let post_listings_no_creator = PostQuery {
 980       sort: Some(SortType::New),
 981       ..Default::default()
 982     }
 983     .list(pool)
 984     .await
 985     .unwrap();
 986     let not_contains_deleted = post_listings_no_creator
 987       .iter()
 988       .map(|p| p.post.id)
 989       .all(|p| p != data.inserted_post.id);
 990     assert!(not_contains_deleted);
 991
 992     // Deleted post is shown to creator
 993     let post_listings_is_creator = PostQuery {
 994       sort: Some(SortType::New),
 995       local_user: Some(&data.local_user_view),
 996       ..Default::default()
 997     }
 998     .list(pool)
 999     .await
1000     .unwrap();
1001     let contains_deleted = post_listings_is_creator
1002       .iter()
1003       .map(|p| p.post.id)
1004       .any(|p| p == data.inserted_post.id);
1005     assert!(contains_deleted);
1006
1007     cleanup(data, pool).await;
1008   }
1009
1010   async fn cleanup(data: Data, pool: &mut DbPool<'_>) {
1011     let num_deleted = Post::delete(pool, data.inserted_post.id).await.unwrap();
1012     Community::delete(pool, data.inserted_community.id)
1013       .await
1014       .unwrap();
1015     Person::delete(pool, data.local_user_view.person.id)
1016       .await
1017       .unwrap();
1018     Person::delete(pool, data.inserted_bot.id).await.unwrap();
1019     Person::delete(pool, data.inserted_blocked_person.id)
1020       .await
1021       .unwrap();
1022     Instance::delete(pool, data.inserted_instance.id)
1023       .await
1024       .unwrap();
1025     assert_eq!(1, num_deleted);
1026   }
1027
1028   async fn expected_post_view(data: &Data, pool: &mut DbPool<'_>) -> PostView {
1029     let (inserted_person, inserted_community, inserted_post) = (
1030       &data.local_user_view.person,
1031       &data.inserted_community,
1032       &data.inserted_post,
1033     );
1034     let agg = PostAggregates::read(pool, inserted_post.id).await.unwrap();
1035
1036     PostView {
1037       post: Post {
1038         id: inserted_post.id,
1039         name: inserted_post.name.clone(),
1040         creator_id: inserted_person.id,
1041         url: None,
1042         body: None,
1043         published: inserted_post.published,
1044         updated: None,
1045         community_id: inserted_community.id,
1046         removed: false,
1047         deleted: false,
1048         locked: false,
1049         nsfw: false,
1050         embed_title: None,
1051         embed_description: None,
1052         embed_video_url: None,
1053         thumbnail_url: None,
1054         ap_id: inserted_post.ap_id.clone(),
1055         local: true,
1056         language_id: LanguageId(47),
1057         featured_community: false,
1058         featured_local: false,
1059       },
1060       my_vote: None,
1061       unread_comments: 0,
1062       creator: Person {
1063         id: inserted_person.id,
1064         name: inserted_person.name.clone(),
1065         display_name: None,
1066         published: inserted_person.published,
1067         avatar: None,
1068         actor_id: inserted_person.actor_id.clone(),
1069         local: true,
1070         admin: false,
1071         bot_account: false,
1072         banned: false,
1073         deleted: false,
1074         bio: None,
1075         banner: None,
1076         updated: None,
1077         inbox_url: inserted_person.inbox_url.clone(),
1078         shared_inbox_url: None,
1079         matrix_user_id: None,
1080         ban_expires: None,
1081         instance_id: data.inserted_instance.id,
1082         private_key: inserted_person.private_key.clone(),
1083         public_key: inserted_person.public_key.clone(),
1084         last_refreshed_at: inserted_person.last_refreshed_at,
1085       },
1086       creator_banned_from_community: false,
1087       community: Community {
1088         id: inserted_community.id,
1089         name: inserted_community.name.clone(),
1090         icon: None,
1091         removed: false,
1092         deleted: false,
1093         nsfw: false,
1094         actor_id: inserted_community.actor_id.clone(),
1095         local: true,
1096         title: "nada".to_owned(),
1097         description: None,
1098         updated: None,
1099         banner: None,
1100         hidden: false,
1101         posting_restricted_to_mods: false,
1102         published: inserted_community.published,
1103         instance_id: data.inserted_instance.id,
1104         private_key: inserted_community.private_key.clone(),
1105         public_key: inserted_community.public_key.clone(),
1106         last_refreshed_at: inserted_community.last_refreshed_at,
1107         followers_url: inserted_community.followers_url.clone(),
1108         inbox_url: inserted_community.inbox_url.clone(),
1109         shared_inbox_url: inserted_community.shared_inbox_url.clone(),
1110         moderators_url: inserted_community.moderators_url.clone(),
1111         featured_url: inserted_community.featured_url.clone(),
1112       },
1113       counts: PostAggregates {
1114         id: agg.id,
1115         post_id: inserted_post.id,
1116         comments: 0,
1117         score: 0,
1118         upvotes: 0,
1119         downvotes: 0,
1120         published: agg.published,
1121         newest_comment_time_necro: inserted_post.published,
1122         newest_comment_time: inserted_post.published,
1123         featured_community: false,
1124         featured_local: false,
1125         hot_rank: 1728,
1126         hot_rank_active: 1728,
1127         controversy_rank: 0.0,
1128         community_id: inserted_post.community_id,
1129         creator_id: inserted_post.creator_id,
1130       },
1131       subscribed: SubscribedType::NotSubscribed,
1132       read: false,
1133       saved: false,
1134       creator_blocked: false,
1135     }
1136   }
1137 }