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, get_conn, limit_and_offset, DbPool},
  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 impl PostView {
  66   pub async fn read(
  67     pool: &mut DbPool<'_>,
  68     post_id: PostId,
  69     my_person_id: Option<PersonId>,
  70     is_mod_or_admin: Option<bool>,
  71   ) -> Result<Self, Error> {
  72     let conn = &mut get_conn(pool).await?;
  73
  74     // The left join below will return None in this case
  75     let person_id_join = my_person_id.unwrap_or(PersonId(-1));
  76     let mut query = post_aggregates::table
  77       .filter(post_aggregates::post_id.eq(post_id))
  78       .inner_join(person::table)
  79       .inner_join(community::table)
  80       .left_join(
  81         community_person_ban::table.on(
  82           post_aggregates::community_id
  83             .eq(community_person_ban::community_id)
  84             .and(community_person_ban::person_id.eq(post_aggregates::creator_id)),
  85         ),
  86       )
  87       .inner_join(post::table)
  88       .left_join(
  89         community_follower::table.on(
  90           post_aggregates::community_id
  91             .eq(community_follower::community_id)
  92             .and(community_follower::person_id.eq(person_id_join)),
  93         ),
  94       )
  95       .left_join(
  96         community_moderator::table.on(
  97           post::community_id
  98             .eq(community_moderator::community_id)
  99             .and(community_moderator::person_id.eq(person_id_join)),
 100         ),
 101       )
 102       .left_join(
 103         post_saved::table.on(
 104           post_aggregates::post_id
 105             .eq(post_saved::post_id)
 106             .and(post_saved::person_id.eq(person_id_join)),
 107         ),
 108       )
 109       .left_join(
 110         post_read::table.on(
 111           post_aggregates::post_id
 112             .eq(post_read::post_id)
 113             .and(post_read::person_id.eq(person_id_join)),
 114         ),
 115       )
 116       .left_join(
 117         person_block::table.on(
 118           post_aggregates::creator_id
 119             .eq(person_block::target_id)
 120             .and(person_block::person_id.eq(person_id_join)),
 121         ),
 122       )
 123       .left_join(
 124         post_like::table.on(
 125           post_aggregates::post_id
 126             .eq(post_like::post_id)
 127             .and(post_like::person_id.eq(person_id_join)),
 128         ),
 129       )
 130       .left_join(
 131         person_post_aggregates::table.on(
 132           post_aggregates::post_id
 133             .eq(person_post_aggregates::post_id)
 134             .and(person_post_aggregates::person_id.eq(person_id_join)),
 135         ),
 136       )
 137       .select((
 138         post::all_columns,
 139         person::all_columns,
 140         community::all_columns,
 141         community_person_ban::all_columns.nullable(),
 142         post_aggregates::all_columns,
 143         community_follower::all_columns.nullable(),
 144         post_saved::all_columns.nullable(),
 145         post_read::all_columns.nullable(),
 146         person_block::all_columns.nullable(),
 147         post_like::score.nullable(),
 148         coalesce(
 149           post_aggregates::comments.nullable() - person_post_aggregates::read_comments.nullable(),
 150           post_aggregates::comments,
 151         ),
 152       ))
 153       .into_boxed();
 154
 155     // Hide deleted and removed for non-admins or mods
 156     if !is_mod_or_admin.unwrap_or(false) {
 157       query = query
 158         .filter(community::removed.eq(false))
 159         .filter(post::removed.eq(false))
 160         // users can see their own deleted posts
 161         .filter(
 162           community::deleted
 163             .eq(false)
 164             .or(post::creator_id.eq(person_id_join)),
 165         )
 166         .filter(
 167           post::deleted
 168             .eq(false)
 169             .or(post::creator_id.eq(person_id_join)),
 170         );
 171     }
 172
 173     let (
 174       post,
 175       creator,
 176       community,
 177       creator_banned_from_community,
 178       counts,
 179       follower,
 180       saved,
 181       read,
 182       creator_blocked,
 183       post_like,
 184       unread_comments,
 185     ) = query.first::<PostViewTuple>(conn).await?;
 186
 187     // If a person is given, then my_vote, if None, should be 0, not null
 188     // Necessary to differentiate between other person's votes
 189     let my_vote = if my_person_id.is_some() && post_like.is_none() {
 190       Some(0)
 191     } else {
 192       post_like
 193     };
 194
 195     Ok(PostView {
 196       post,
 197       creator,
 198       community,
 199       creator_banned_from_community: creator_banned_from_community.is_some(),
 200       counts,
 201       subscribed: CommunityFollower::to_subscribed_type(&follower),
 202       saved: saved.is_some(),
 203       read: read.is_some(),
 204       creator_blocked: creator_blocked.is_some(),
 205       my_vote,
 206       unread_comments,
 207     })
 208   }
 209 }
 210
 211 #[derive(Default)]
 212 pub struct PostQuery<'a> {
 213   pub listing_type: Option<ListingType>,
 214   pub sort: Option<SortType>,
 215   pub creator_id: Option<PersonId>,
 216   pub community_id: Option<CommunityId>,
 217   pub local_user: Option<&'a LocalUserView>,
 218   pub search_term: Option<String>,
 219   pub url_search: Option<String>,
 220   pub saved_only: Option<bool>,
 221   pub moderator_view: Option<bool>,
 222   pub is_profile_view: Option<bool>,
 223   pub page: Option<i64>,
 224   pub limit: Option<i64>,
 225 }
 226
 227 impl<'a> PostQuery<'a> {
 228   pub async fn list(self, pool: &mut DbPool<'_>) -> Result<Vec<PostView>, Error> {
 229     let conn = &mut get_conn(pool).await?;
 230
 231     // The left join below will return None in this case
 232     let person_id_join = self.local_user.map(|l| l.person.id).unwrap_or(PersonId(-1));
 233     let local_user_id_join = self
 234       .local_user
 235       .map(|l| l.local_user.id)
 236       .unwrap_or(LocalUserId(-1));
 237
 238     let mut query = post_aggregates::table
 239       .inner_join(person::table)
 240       .inner_join(post::table)
 241       .inner_join(community::table)
 242       .left_join(
 243         community_person_ban::table.on(
 244           post_aggregates::community_id
 245             .eq(community_person_ban::community_id)
 246             .and(community_person_ban::person_id.eq(post_aggregates::creator_id)),
 247         ),
 248       )
 249       .left_join(
 250         community_follower::table.on(
 251           post_aggregates::community_id
 252             .eq(community_follower::community_id)
 253             .and(community_follower::person_id.eq(person_id_join)),
 254         ),
 255       )
 256       .left_join(
 257         community_moderator::table.on(
 258           post::community_id
 259             .eq(community_moderator::community_id)
 260             .and(community_moderator::person_id.eq(person_id_join)),
 261         ),
 262       )
 263       .left_join(
 264         post_saved::table.on(
 265           post_aggregates::post_id
 266             .eq(post_saved::post_id)
 267             .and(post_saved::person_id.eq(person_id_join)),
 268         ),
 269       )
 270       .left_join(
 271         post_read::table.on(
 272           post_aggregates::post_id
 273             .eq(post_read::post_id)
 274             .and(post_read::person_id.eq(person_id_join)),
 275         ),
 276       )
 277       .left_join(
 278         person_block::table.on(
 279           post_aggregates::creator_id
 280             .eq(person_block::target_id)
 281             .and(person_block::person_id.eq(person_id_join)),
 282         ),
 283       )
 284       .left_join(
 285         community_block::table.on(
 286           post_aggregates::community_id
 287             .eq(community_block::community_id)
 288             .and(community_block::person_id.eq(person_id_join)),
 289         ),
 290       )
 291       .left_join(
 292         post_like::table.on(
 293           post_aggregates::post_id
 294             .eq(post_like::post_id)
 295             .and(post_like::person_id.eq(person_id_join)),
 296         ),
 297       )
 298       .left_join(
 299         person_post_aggregates::table.on(
 300           post_aggregates::post_id
 301             .eq(person_post_aggregates::post_id)
 302             .and(person_post_aggregates::person_id.eq(person_id_join)),
 303         ),
 304       )
 305       .left_join(
 306         local_user_language::table.on(
 307           post::language_id
 308             .eq(local_user_language::language_id)
 309             .and(local_user_language::local_user_id.eq(local_user_id_join)),
 310         ),
 311       )
 312       .select((
 313         post::all_columns,
 314         person::all_columns,
 315         community::all_columns,
 316         community_person_ban::all_columns.nullable(),
 317         post_aggregates::all_columns,
 318         community_follower::all_columns.nullable(),
 319         post_saved::all_columns.nullable(),
 320         post_read::all_columns.nullable(),
 321         person_block::all_columns.nullable(),
 322         post_like::score.nullable(),
 323         coalesce(
 324           post_aggregates::comments.nullable() - person_post_aggregates::read_comments.nullable(),
 325           post_aggregates::comments,
 326         ),
 327       ))
 328       .into_boxed();
 329
 330     let is_profile_view = self.is_profile_view.unwrap_or(false);
 331     let is_creator = self.creator_id == self.local_user.map(|l| l.person.id);
 332     // only show deleted posts to creator
 333     if is_creator {
 334       query = query
 335         .filter(community::deleted.eq(false))
 336         .filter(post::deleted.eq(false));
 337     }
 338
 339     let is_admin = self.local_user.map(|l| l.person.admin).unwrap_or(false);
 340     // only show removed posts to admin when viewing user profile
 341     if !(is_profile_view && is_admin) {
 342       query = query
 343         .filter(community::removed.eq(false))
 344         .filter(post::removed.eq(false));
 345     }
 346
 347     if self.community_id.is_none() {
 348       query = query.then_order_by(post_aggregates::featured_local.desc());
 349     } else if let Some(community_id) = self.community_id {
 350       query = query
 351         .filter(post_aggregates::community_id.eq(community_id))
 352         .then_order_by(post_aggregates::featured_community.desc());
 353     }
 354
 355     if let Some(creator_id) = self.creator_id {
 356       query = query.filter(post_aggregates::creator_id.eq(creator_id));
 357     }
 358
 359     if let Some(listing_type) = self.listing_type {
 360       match listing_type {
 361         ListingType::Subscribed => {
 362           query = query.filter(community_follower::person_id.is_not_null())
 363         }
 364         ListingType::Local => {
 365           query = query.filter(community::local.eq(true)).filter(
 366             community::hidden
 367               .eq(false)
 368               .or(community_follower::person_id.eq(person_id_join)),
 369           );
 370         }
 371         ListingType::All => {
 372           query = query.filter(
 373             community::hidden
 374               .eq(false)
 375               .or(community_follower::person_id.eq(person_id_join)),
 376           )
 377         }
 378       }
 379     }
 380
 381     if let Some(url_search) = self.url_search {
 382       query = query.filter(post::url.eq(url_search));
 383     }
 384
 385     if let Some(search_term) = self.search_term {
 386       let searcher = fuzzy_search(&search_term);
 387       query = query.filter(
 388         post::name
 389           .ilike(searcher.clone())
 390           .or(post::body.ilike(searcher)),
 391       );
 392     }
 393
 394     if !self
 395       .local_user
 396       .map(|l| l.local_user.show_nsfw)
 397       .unwrap_or(false)
 398     {
 399       query = query
 400         .filter(post::nsfw.eq(false))
 401         .filter(community::nsfw.eq(false));
 402     };
 403
 404     if !self
 405       .local_user
 406       .map(|l| l.local_user.show_bot_accounts)
 407       .unwrap_or(true)
 408     {
 409       query = query.filter(person::bot_account.eq(false));
 410     };
 411
 412     if self.saved_only.unwrap_or(false) {
 413       query = query.filter(post_saved::post_id.is_not_null());
 414     }
 415
 416     if self.moderator_view.unwrap_or(false) {
 417       query = query.filter(community_moderator::person_id.is_not_null());
 418     }
 419     // Only hide the read posts, if the saved_only is false. Otherwise ppl with the hide_read
 420     // setting wont be able to see saved posts.
 421     else if !self
 422       .local_user
 423       .map(|l| l.local_user.show_read_posts)
 424       .unwrap_or(true)
 425     {
 426       query = query.filter(post_read::post_id.is_null());
 427     }
 428
 429     if self.local_user.is_some() {
 430       // Filter out the rows with missing languages
 431       query = query.filter(local_user_language::language_id.is_not_null());
 432
 433       // Don't show blocked communities or persons
 434       query = query.filter(community_block::person_id.is_null());
 435       if !self.moderator_view.unwrap_or(false) {
 436         query = query.filter(person_block::person_id.is_null());
 437       }
 438     }
 439
 440     query = match self.sort.unwrap_or(SortType::Hot) {
 441       SortType::Active => query
 442         .then_order_by(post_aggregates::hot_rank_active.desc())
 443         .then_order_by(post_aggregates::published.desc()),
 444       SortType::Hot => query
 445         .then_order_by(post_aggregates::hot_rank.desc())
 446         .then_order_by(post_aggregates::published.desc()),
 447       SortType::Controversial => query.then_order_by(post_aggregates::controversy_rank.desc()),
 448       SortType::New => query.then_order_by(post_aggregates::published.desc()),
 449       SortType::Old => query.then_order_by(post_aggregates::published.asc()),
 450       SortType::NewComments => query.then_order_by(post_aggregates::newest_comment_time.desc()),
 451       SortType::MostComments => query
 452         .then_order_by(post_aggregates::comments.desc())
 453         .then_order_by(post_aggregates::published.desc()),
 454       SortType::TopAll => query
 455         .then_order_by(post_aggregates::score.desc())
 456         .then_order_by(post_aggregates::published.desc()),
 457       SortType::TopYear => query
 458         .filter(post_aggregates::published.gt(now - 1.years()))
 459         .then_order_by(post_aggregates::score.desc())
 460         .then_order_by(post_aggregates::published.desc()),
 461       SortType::TopMonth => query
 462         .filter(post_aggregates::published.gt(now - 1.months()))
 463         .then_order_by(post_aggregates::score.desc())
 464         .then_order_by(post_aggregates::published.desc()),
 465       SortType::TopWeek => query
 466         .filter(post_aggregates::published.gt(now - 1.weeks()))
 467         .then_order_by(post_aggregates::score.desc())
 468         .then_order_by(post_aggregates::published.desc()),
 469       SortType::TopDay => query
 470         .filter(post_aggregates::published.gt(now - 1.days()))
 471         .then_order_by(post_aggregates::score.desc())
 472         .then_order_by(post_aggregates::published.desc()),
 473       SortType::TopHour => query
 474         .filter(post_aggregates::published.gt(now - 1.hours()))
 475         .then_order_by(post_aggregates::score.desc())
 476         .then_order_by(post_aggregates::published.desc()),
 477       SortType::TopSixHour => query
 478         .filter(post_aggregates::published.gt(now - 6.hours()))
 479         .then_order_by(post_aggregates::score.desc())
 480         .then_order_by(post_aggregates::published.desc()),
 481       SortType::TopTwelveHour => query
 482         .filter(post_aggregates::published.gt(now - 12.hours()))
 483         .then_order_by(post_aggregates::score.desc())
 484         .then_order_by(post_aggregates::published.desc()),
 485       SortType::TopThreeMonths => query
 486         .filter(post_aggregates::published.gt(now - 3.months()))
 487         .then_order_by(post_aggregates::score.desc())
 488         .then_order_by(post_aggregates::published.desc()),
 489       SortType::TopSixMonths => query
 490         .filter(post_aggregates::published.gt(now - 6.months()))
 491         .then_order_by(post_aggregates::score.desc())
 492         .then_order_by(post_aggregates::published.desc()),
 493       SortType::TopNineMonths => query
 494         .filter(post_aggregates::published.gt(now - 9.months()))
 495         .then_order_by(post_aggregates::score.desc())
 496         .then_order_by(post_aggregates::published.desc()),
 497     };
 498
 499     let (limit, offset) = limit_and_offset(self.page, self.limit)?;
 500
 501     query = query.limit(limit).offset(offset);
 502
 503     debug!("Post View Query: {:?}", debug_query::<Pg, _>(&query));
 504
 505     let res = query.load::<PostViewTuple>(conn).await?;
 506
 507     Ok(res.into_iter().map(PostView::from_tuple).collect())
 508   }
 509 }
 510
 511 impl JoinView for PostView {
 512   type JoinTuple = PostViewTuple;
 513   fn from_tuple(a: Self::JoinTuple) -> Self {
 514     Self {
 515       post: a.0,
 516       creator: a.1,
 517       community: a.2,
 518       creator_banned_from_community: a.3.is_some(),
 519       counts: a.4,
 520       subscribed: CommunityFollower::to_subscribed_type(&a.5),
 521       saved: a.6.is_some(),
 522       read: a.7.is_some(),
 523       creator_blocked: a.8.is_some(),
 524       my_vote: a.9,
 525       unread_comments: a.10,
 526     }
 527   }
 528 }
 529
 530 #[cfg(test)]
 531 mod tests {
 532   #![allow(clippy::unwrap_used)]
 533   #![allow(clippy::indexing_slicing)]
 534
 535   use crate::{
 536     post_view::{PostQuery, PostView},
 537     structs::LocalUserView,
 538   };
 539   use lemmy_db_schema::{
 540     aggregates::structs::PostAggregates,
 541     impls::actor_language::UNDETERMINED_ID,
 542     newtypes::LanguageId,
 543     source::{
 544       actor_language::LocalUserLanguage,
 545       community::{Community, CommunityInsertForm},
 546       community_block::{CommunityBlock, CommunityBlockForm},
 547       instance::Instance,
 548       language::Language,
 549       local_user::{LocalUser, LocalUserInsertForm, LocalUserUpdateForm},
 550       person::{Person, PersonInsertForm},
 551       person_block::{PersonBlock, PersonBlockForm},
 552       post::{Post, PostInsertForm, PostLike, PostLikeForm, PostUpdateForm},
 553     },
 554     traits::{Blockable, Crud, Likeable},
 555     utils::{build_db_pool_for_tests, DbPool},
 556     SortType,
 557     SubscribedType,
 558   };
 559   use serial_test::serial;
 560
 561   struct Data {
 562     inserted_instance: Instance,
 563     local_user_view: LocalUserView,
 564     inserted_blocked_person: Person,
 565     inserted_bot: Person,
 566     inserted_community: Community,
 567     inserted_post: Post,
 568   }
 569
 570   async fn init_data(pool: &mut DbPool<'_>) -> Data {
 571     let inserted_instance = Instance::read_or_create(pool, "my_domain.tld".to_string())
 572       .await
 573       .unwrap();
 574
 575     let person_name = "tegan".to_string();
 576
 577     let new_person = PersonInsertForm::builder()
 578       .name(person_name.clone())
 579       .public_key("pubkey".to_string())
 580       .instance_id(inserted_instance.id)
 581       .build();
 582
 583     let inserted_person = Person::create(pool, &new_person).await.unwrap();
 584
 585     let local_user_form = LocalUserInsertForm::builder()
 586       .person_id(inserted_person.id)
 587       .password_encrypted(String::new())
 588       .build();
 589     let inserted_local_user = LocalUser::create(pool, &local_user_form).await.unwrap();
 590
 591     let new_bot = PersonInsertForm::builder()
 592       .name("mybot".to_string())
 593       .bot_account(Some(true))
 594       .public_key("pubkey".to_string())
 595       .instance_id(inserted_instance.id)
 596       .build();
 597
 598     let inserted_bot = Person::create(pool, &new_bot).await.unwrap();
 599
 600     let new_community = CommunityInsertForm::builder()
 601       .name("test_community_3".to_string())
 602       .title("nada".to_owned())
 603       .public_key("pubkey".to_string())
 604       .instance_id(inserted_instance.id)
 605       .build();
 606
 607     let inserted_community = Community::create(pool, &new_community).await.unwrap();
 608
 609     // Test a person block, make sure the post query doesn't include their post
 610     let blocked_person = PersonInsertForm::builder()
 611       .name(person_name)
 612       .public_key("pubkey".to_string())
 613       .instance_id(inserted_instance.id)
 614       .build();
 615
 616     let inserted_blocked_person = Person::create(pool, &blocked_person).await.unwrap();
 617
 618     let post_from_blocked_person = PostInsertForm::builder()
 619       .name("blocked_person_post".to_string())
 620       .creator_id(inserted_blocked_person.id)
 621       .community_id(inserted_community.id)
 622       .language_id(Some(LanguageId(1)))
 623       .build();
 624
 625     Post::create(pool, &post_from_blocked_person).await.unwrap();
 626
 627     // block that person
 628     let person_block = PersonBlockForm {
 629       person_id: inserted_person.id,
 630       target_id: inserted_blocked_person.id,
 631     };
 632
 633     PersonBlock::block(pool, &person_block).await.unwrap();
 634
 635     // A sample post
 636     let new_post = PostInsertForm::builder()
 637       .name("test post 3".to_string())
 638       .creator_id(inserted_person.id)
 639       .community_id(inserted_community.id)
 640       .language_id(Some(LanguageId(47)))
 641       .build();
 642
 643     let inserted_post = Post::create(pool, &new_post).await.unwrap();
 644
 645     let new_bot_post = PostInsertForm::builder()
 646       .name("test bot post".to_string())
 647       .creator_id(inserted_bot.id)
 648       .community_id(inserted_community.id)
 649       .build();
 650
 651     let _inserted_bot_post = Post::create(pool, &new_bot_post).await.unwrap();
 652     let local_user_view = LocalUserView {
 653       local_user: inserted_local_user,
 654       person: inserted_person,
 655       counts: Default::default(),
 656     };
 657
 658     Data {
 659       inserted_instance,
 660       local_user_view,
 661       inserted_blocked_person,
 662       inserted_bot,
 663       inserted_community,
 664       inserted_post,
 665     }
 666   }
 667
 668   #[tokio::test]
 669   #[serial]
 670   async fn post_listing_with_person() {
 671     let pool = &build_db_pool_for_tests().await;
 672     let pool = &mut pool.into();
 673     let mut data = init_data(pool).await;
 674
 675     let local_user_form = LocalUserUpdateForm::builder()
 676       .show_bot_accounts(Some(false))
 677       .build();
 678     let inserted_local_user =
 679       LocalUser::update(pool, data.local_user_view.local_user.id, &local_user_form)
 680         .await
 681         .unwrap();
 682     data.local_user_view.local_user = inserted_local_user;
 683
 684     let read_post_listing = PostQuery {
 685       sort: (Some(SortType::New)),
 686       community_id: (Some(data.inserted_community.id)),
 687       local_user: (Some(&data.local_user_view)),
 688       ..Default::default()
 689     }
 690     .list(pool)
 691     .await
 692     .unwrap();
 693
 694     let post_listing_single_with_person = PostView::read(
 695       pool,
 696       data.inserted_post.id,
 697       Some(data.local_user_view.person.id),
 698       None,
 699     )
 700     .await
 701     .unwrap();
 702
 703     let mut expected_post_listing_with_user = expected_post_view(&data, pool).await;
 704
 705     // Should be only one person, IE the bot post, and blocked should be missing
 706     assert_eq!(1, read_post_listing.len());
 707
 708     assert_eq!(expected_post_listing_with_user, read_post_listing[0]);
 709     expected_post_listing_with_user.my_vote = Some(0);
 710     assert_eq!(
 711       expected_post_listing_with_user,
 712       post_listing_single_with_person
 713     );
 714
 715     let local_user_form = LocalUserUpdateForm::builder()
 716       .show_bot_accounts(Some(true))
 717       .build();
 718     let inserted_local_user =
 719       LocalUser::update(pool, data.local_user_view.local_user.id, &local_user_form)
 720         .await
 721         .unwrap();
 722     data.local_user_view.local_user = inserted_local_user;
 723
 724     let post_listings_with_bots = PostQuery {
 725       sort: (Some(SortType::New)),
 726       community_id: (Some(data.inserted_community.id)),
 727       local_user: (Some(&data.local_user_view)),
 728       ..Default::default()
 729     }
 730     .list(pool)
 731     .await
 732     .unwrap();
 733     // should include bot post which has "undetermined" language
 734     assert_eq!(2, post_listings_with_bots.len());
 735
 736     cleanup(data, pool).await;
 737   }
 738
 739   #[tokio::test]
 740   #[serial]
 741   async fn post_listing_no_person() {
 742     let pool = &build_db_pool_for_tests().await;
 743     let pool = &mut pool.into();
 744     let data = init_data(pool).await;
 745
 746     let read_post_listing_multiple_no_person = PostQuery {
 747       sort: (Some(SortType::New)),
 748       community_id: (Some(data.inserted_community.id)),
 749       ..Default::default()
 750     }
 751     .list(pool)
 752     .await
 753     .unwrap();
 754
 755     let read_post_listing_single_no_person =
 756       PostView::read(pool, data.inserted_post.id, None, None)
 757         .await
 758         .unwrap();
 759
 760     let expected_post_listing_no_person = expected_post_view(&data, pool).await;
 761
 762     // Should be 2 posts, with the bot post, and the blocked
 763     assert_eq!(3, read_post_listing_multiple_no_person.len());
 764
 765     assert_eq!(
 766       expected_post_listing_no_person,
 767       read_post_listing_multiple_no_person[1]
 768     );
 769     assert_eq!(
 770       expected_post_listing_no_person,
 771       read_post_listing_single_no_person
 772     );
 773
 774     cleanup(data, pool).await;
 775   }
 776
 777   #[tokio::test]
 778   #[serial]
 779   async fn post_listing_block_community() {
 780     let pool = &build_db_pool_for_tests().await;
 781     let pool = &mut pool.into();
 782     let data = init_data(pool).await;
 783
 784     let community_block = CommunityBlockForm {
 785       person_id: data.local_user_view.person.id,
 786       community_id: data.inserted_community.id,
 787     };
 788     CommunityBlock::block(pool, &community_block).await.unwrap();
 789
 790     let read_post_listings_with_person_after_block = PostQuery {
 791       sort: (Some(SortType::New)),
 792       community_id: (Some(data.inserted_community.id)),
 793       local_user: (Some(&data.local_user_view)),
 794       ..Default::default()
 795     }
 796     .list(pool)
 797     .await
 798     .unwrap();
 799     // Should be 0 posts after the community block
 800     assert_eq!(0, read_post_listings_with_person_after_block.len());
 801
 802     CommunityBlock::unblock(pool, &community_block)
 803       .await
 804       .unwrap();
 805     cleanup(data, pool).await;
 806   }
 807
 808   #[tokio::test]
 809   #[serial]
 810   async fn post_listing_like() {
 811     let pool = &build_db_pool_for_tests().await;
 812     let pool = &mut pool.into();
 813     let mut data = init_data(pool).await;
 814
 815     let post_like_form = PostLikeForm {
 816       post_id: data.inserted_post.id,
 817       person_id: data.local_user_view.person.id,
 818       score: 1,
 819     };
 820
 821     let inserted_post_like = PostLike::like(pool, &post_like_form).await.unwrap();
 822
 823     let expected_post_like = PostLike {
 824       id: inserted_post_like.id,
 825       post_id: data.inserted_post.id,
 826       person_id: data.local_user_view.person.id,
 827       published: inserted_post_like.published,
 828       score: 1,
 829     };
 830     assert_eq!(expected_post_like, inserted_post_like);
 831
 832     let post_listing_single_with_person = PostView::read(
 833       pool,
 834       data.inserted_post.id,
 835       Some(data.local_user_view.person.id),
 836       None,
 837     )
 838     .await
 839     .unwrap();
 840
 841     let mut expected_post_with_upvote = expected_post_view(&data, pool).await;
 842     expected_post_with_upvote.my_vote = Some(1);
 843     expected_post_with_upvote.counts.score = 1;
 844     expected_post_with_upvote.counts.upvotes = 1;
 845     assert_eq!(expected_post_with_upvote, post_listing_single_with_person);
 846
 847     let local_user_form = LocalUserUpdateForm::builder()
 848       .show_bot_accounts(Some(false))
 849       .build();
 850     let inserted_local_user =
 851       LocalUser::update(pool, data.local_user_view.local_user.id, &local_user_form)
 852         .await
 853         .unwrap();
 854     data.local_user_view.local_user = inserted_local_user;
 855
 856     let read_post_listing = PostQuery {
 857       sort: (Some(SortType::New)),
 858       community_id: (Some(data.inserted_community.id)),
 859       local_user: (Some(&data.local_user_view)),
 860       ..Default::default()
 861     }
 862     .list(pool)
 863     .await
 864     .unwrap();
 865     assert_eq!(1, read_post_listing.len());
 866
 867     assert_eq!(expected_post_with_upvote, read_post_listing[0]);
 868
 869     let like_removed =
 870       PostLike::remove(pool, data.local_user_view.person.id, data.inserted_post.id)
 871         .await
 872         .unwrap();
 873     assert_eq!(1, like_removed);
 874     cleanup(data, pool).await;
 875   }
 876
 877   #[tokio::test]
 878   #[serial]
 879   async fn post_listing_person_language() {
 880     let pool = &build_db_pool_for_tests().await;
 881     let pool = &mut pool.into();
 882     let data = init_data(pool).await;
 883
 884     let spanish_id = Language::read_id_from_code(pool, Some("es"))
 885       .await
 886       .unwrap()
 887       .unwrap();
 888     let post_spanish = PostInsertForm::builder()
 889       .name("asffgdsc".to_string())
 890       .creator_id(data.local_user_view.person.id)
 891       .community_id(data.inserted_community.id)
 892       .language_id(Some(spanish_id))
 893       .build();
 894
 895     Post::create(pool, &post_spanish).await.unwrap();
 896
 897     let post_listings_all = PostQuery {
 898       sort: (Some(SortType::New)),
 899       local_user: (Some(&data.local_user_view)),
 900       ..Default::default()
 901     }
 902     .list(pool)
 903     .await
 904     .unwrap();
 905
 906     // no language filters specified, all posts should be returned
 907     assert_eq!(3, post_listings_all.len());
 908
 909     let french_id = Language::read_id_from_code(pool, Some("fr"))
 910       .await
 911       .unwrap()
 912       .unwrap();
 913     LocalUserLanguage::update(pool, vec![french_id], data.local_user_view.local_user.id)
 914       .await
 915       .unwrap();
 916
 917     let post_listing_french = PostQuery {
 918       sort: (Some(SortType::New)),
 919       local_user: (Some(&data.local_user_view)),
 920       ..Default::default()
 921     }
 922     .list(pool)
 923     .await
 924     .unwrap();
 925
 926     // only one post in french and one undetermined should be returned
 927     assert_eq!(2, post_listing_french.len());
 928     assert!(post_listing_french
 929       .iter()
 930       .any(|p| p.post.language_id == french_id));
 931
 932     LocalUserLanguage::update(
 933       pool,
 934       vec![french_id, UNDETERMINED_ID],
 935       data.local_user_view.local_user.id,
 936     )
 937     .await
 938     .unwrap();
 939     let post_listings_french_und = PostQuery {
 940       sort: (Some(SortType::New)),
 941       local_user: (Some(&data.local_user_view)),
 942       ..Default::default()
 943     }
 944     .list(pool)
 945     .await
 946     .unwrap();
 947
 948     // french post and undetermined language post should be returned
 949     assert_eq!(2, post_listings_french_und.len());
 950     assert_eq!(
 951       UNDETERMINED_ID,
 952       post_listings_french_und[0].post.language_id
 953     );
 954     assert_eq!(french_id, post_listings_french_und[1].post.language_id);
 955
 956     cleanup(data, pool).await;
 957   }
 958
 959   #[tokio::test]
 960   #[serial]
 961   async fn post_listings_removed() {
 962     let pool = &build_db_pool_for_tests().await;
 963     let pool = &mut pool.into();
 964     let mut data = init_data(pool).await;
 965
 966     // Remove the post
 967     Post::update(
 968       pool,
 969       data.inserted_post.id,
 970       &PostUpdateForm::builder().removed(Some(true)).build(),
 971     )
 972     .await
 973     .unwrap();
 974
 975     // Make sure you don't see the removed post in the results
 976     let post_listings_no_admin = PostQuery {
 977       sort: Some(SortType::New),
 978       local_user: Some(&data.local_user_view),
 979       ..Default::default()
 980     }
 981     .list(pool)
 982     .await
 983     .unwrap();
 984     assert_eq!(1, post_listings_no_admin.len());
 985
 986     // Removed post is shown to admins on profile page
 987     data.local_user_view.person.admin = true;
 988     let post_listings_is_admin = PostQuery {
 989       sort: Some(SortType::New),
 990       local_user: Some(&data.local_user_view),
 991       is_profile_view: Some(true),
 992       ..Default::default()
 993     }
 994     .list(pool)
 995     .await
 996     .unwrap();
 997     assert_eq!(2, post_listings_is_admin.len());
 998
 999     cleanup(data, pool).await;
1000   }
1001
1002   #[tokio::test]
1003   #[serial]
1004   async fn post_listings_deleted() {
1005     let pool = &build_db_pool_for_tests().await;
1006     let pool = &mut pool.into();
1007     let data = init_data(pool).await;
1008
1009     // Delete the post
1010     Post::update(
1011       pool,
1012       data.inserted_post.id,
1013       &PostUpdateForm::builder().deleted(Some(true)).build(),
1014     )
1015     .await
1016     .unwrap();
1017
1018     // Make sure you don't see the deleted post in the results
1019     let post_listings_no_creator = PostQuery {
1020       sort: Some(SortType::New),
1021       ..Default::default()
1022     }
1023     .list(pool)
1024     .await
1025     .unwrap();
1026     let not_contains_deleted = post_listings_no_creator
1027       .iter()
1028       .map(|p| p.post.id)
1029       .all(|p| p != data.inserted_post.id);
1030     assert!(not_contains_deleted);
1031
1032     // Deleted post is shown to creator
1033     let post_listings_is_creator = PostQuery {
1034       sort: Some(SortType::New),
1035       local_user: Some(&data.local_user_view),
1036       ..Default::default()
1037     }
1038     .list(pool)
1039     .await
1040     .unwrap();
1041     let contains_deleted = post_listings_is_creator
1042       .iter()
1043       .map(|p| p.post.id)
1044       .any(|p| p == data.inserted_post.id);
1045     assert!(contains_deleted);
1046
1047     cleanup(data, pool).await;
1048   }
1049
1050   async fn cleanup(data: Data, pool: &mut DbPool<'_>) {
1051     let num_deleted = Post::delete(pool, data.inserted_post.id).await.unwrap();
1052     Community::delete(pool, data.inserted_community.id)
1053       .await
1054       .unwrap();
1055     Person::delete(pool, data.local_user_view.person.id)
1056       .await
1057       .unwrap();
1058     Person::delete(pool, data.inserted_bot.id).await.unwrap();
1059     Person::delete(pool, data.inserted_blocked_person.id)
1060       .await
1061       .unwrap();
1062     Instance::delete(pool, data.inserted_instance.id)
1063       .await
1064       .unwrap();
1065     assert_eq!(1, num_deleted);
1066   }
1067
1068   async fn expected_post_view(data: &Data, pool: &mut DbPool<'_>) -> PostView {
1069     let (inserted_person, inserted_community, inserted_post) = (
1070       &data.local_user_view.person,
1071       &data.inserted_community,
1072       &data.inserted_post,
1073     );
1074     let agg = PostAggregates::read(pool, inserted_post.id).await.unwrap();
1075
1076     PostView {
1077       post: Post {
1078         id: inserted_post.id,
1079         name: inserted_post.name.clone(),
1080         creator_id: inserted_person.id,
1081         url: None,
1082         body: None,
1083         published: inserted_post.published,
1084         updated: None,
1085         community_id: inserted_community.id,
1086         removed: false,
1087         deleted: false,
1088         locked: false,
1089         nsfw: false,
1090         embed_title: None,
1091         embed_description: None,
1092         embed_video_url: None,
1093         thumbnail_url: None,
1094         ap_id: inserted_post.ap_id.clone(),
1095         local: true,
1096         language_id: LanguageId(47),
1097         featured_community: false,
1098         featured_local: false,
1099       },
1100       my_vote: None,
1101       unread_comments: 0,
1102       creator: Person {
1103         id: inserted_person.id,
1104         name: inserted_person.name.clone(),
1105         display_name: None,
1106         published: inserted_person.published,
1107         avatar: None,
1108         actor_id: inserted_person.actor_id.clone(),
1109         local: true,
1110         admin: false,
1111         bot_account: false,
1112         banned: false,
1113         deleted: false,
1114         bio: None,
1115         banner: None,
1116         updated: None,
1117         inbox_url: inserted_person.inbox_url.clone(),
1118         shared_inbox_url: None,
1119         matrix_user_id: None,
1120         ban_expires: None,
1121         instance_id: data.inserted_instance.id,
1122         private_key: inserted_person.private_key.clone(),
1123         public_key: inserted_person.public_key.clone(),
1124         last_refreshed_at: inserted_person.last_refreshed_at,
1125       },
1126       creator_banned_from_community: false,
1127       community: Community {
1128         id: inserted_community.id,
1129         name: inserted_community.name.clone(),
1130         icon: None,
1131         removed: false,
1132         deleted: false,
1133         nsfw: false,
1134         actor_id: inserted_community.actor_id.clone(),
1135         local: true,
1136         title: "nada".to_owned(),
1137         description: None,
1138         updated: None,
1139         banner: None,
1140         hidden: false,
1141         posting_restricted_to_mods: false,
1142         published: inserted_community.published,
1143         instance_id: data.inserted_instance.id,
1144         private_key: inserted_community.private_key.clone(),
1145         public_key: inserted_community.public_key.clone(),
1146         last_refreshed_at: inserted_community.last_refreshed_at,
1147         followers_url: inserted_community.followers_url.clone(),
1148         inbox_url: inserted_community.inbox_url.clone(),
1149         shared_inbox_url: inserted_community.shared_inbox_url.clone(),
1150         moderators_url: inserted_community.moderators_url.clone(),
1151         featured_url: inserted_community.featured_url.clone(),
1152       },
1153       counts: PostAggregates {
1154         id: agg.id,
1155         post_id: inserted_post.id,
1156         comments: 0,
1157         score: 0,
1158         upvotes: 0,
1159         downvotes: 0,
1160         published: agg.published,
1161         newest_comment_time_necro: inserted_post.published,
1162         newest_comment_time: inserted_post.published,
1163         featured_community: false,
1164         featured_local: false,
1165         hot_rank: 1728,
1166         hot_rank_active: 1728,
1167         controversy_rank: 0.0,
1168         community_id: inserted_post.community_id,
1169         creator_id: inserted_post.creator_id,
1170       },
1171       subscribed: SubscribedType::NotSubscribed,
1172       read: false,
1173       saved: false,
1174       creator_blocked: false,
1175     }
1176   }
1177 }