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_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     person::Person,
  38     person_block::PersonBlock,
  39     post::{Post, PostRead, PostSaved},
  40   },
  41   traits::JoinView,
  42   utils::{fuzzy_search, get_conn, limit_and_offset, DbPool},
  43   ListingType,
  44   SortType,
  45 };
  46 use tracing::debug;
  47
  48 type PostViewTuple = (
  49   Post,
  50   Person,
  51   Community,
  52   Option<CommunityPersonBan>,
  53   PostAggregates,
  54   Option<CommunityFollower>,
  55   Option<PostSaved>,
  56   Option<PostRead>,
  57   Option<PersonBlock>,
  58   Option<i16>,
  59   i64,
  60 );
  61
  62 sql_function!(fn coalesce(x: sql_types::Nullable<sql_types::BigInt>, y: sql_types::BigInt) -> sql_types::BigInt);
  63
  64 impl PostView {
  65   pub async fn read(
  66     pool: &mut DbPool<'_>,
  67     post_id: PostId,
  68     my_person_id: Option<PersonId>,
  69     is_mod_or_admin: Option<bool>,
  70   ) -> Result<Self, Error> {
  71     let conn = &mut get_conn(pool).await?;
  72
  73     // The left join below will return None in this case
  74     let person_id_join = my_person_id.unwrap_or(PersonId(-1));
  75     let mut query = post::table
  76       .find(post_id)
  77       .inner_join(person::table)
  78       .inner_join(community::table)
  79       .left_join(
  80         community_person_ban::table.on(
  81           post::community_id
  82             .eq(community_person_ban::community_id)
  83             .and(community_person_ban::person_id.eq(post::creator_id)),
  84         ),
  85       )
  86       .inner_join(post_aggregates::table)
  87       .left_join(
  88         community_follower::table.on(
  89           post::community_id
  90             .eq(community_follower::community_id)
  91             .and(community_follower::person_id.eq(person_id_join)),
  92         ),
  93       )
  94       .left_join(
  95         post_saved::table.on(
  96           post::id
  97             .eq(post_saved::post_id)
  98             .and(post_saved::person_id.eq(person_id_join)),
  99         ),
 100       )
 101       .left_join(
 102         post_read::table.on(
 103           post::id
 104             .eq(post_read::post_id)
 105             .and(post_read::person_id.eq(person_id_join)),
 106         ),
 107       )
 108       .left_join(
 109         person_block::table.on(
 110           post::creator_id
 111             .eq(person_block::target_id)
 112             .and(person_block::person_id.eq(person_id_join)),
 113         ),
 114       )
 115       .left_join(
 116         post_like::table.on(
 117           post::id
 118             .eq(post_like::post_id)
 119             .and(post_like::person_id.eq(person_id_join)),
 120         ),
 121       )
 122       .left_join(
 123         person_post_aggregates::table.on(
 124           post::id
 125             .eq(person_post_aggregates::post_id)
 126             .and(person_post_aggregates::person_id.eq(person_id_join)),
 127         ),
 128       )
 129       .select((
 130         post::all_columns,
 131         person::all_columns,
 132         community::all_columns,
 133         community_person_ban::all_columns.nullable(),
 134         post_aggregates::all_columns,
 135         community_follower::all_columns.nullable(),
 136         post_saved::all_columns.nullable(),
 137         post_read::all_columns.nullable(),
 138         person_block::all_columns.nullable(),
 139         post_like::score.nullable(),
 140         coalesce(
 141           post_aggregates::comments.nullable() - person_post_aggregates::read_comments.nullable(),
 142           post_aggregates::comments,
 143         ),
 144       ))
 145       .into_boxed();
 146
 147     // Hide deleted and removed for non-admins or mods
 148     if !is_mod_or_admin.unwrap_or(false) {
 149       query = query
 150         .filter(community::removed.eq(false))
 151         .filter(post::removed.eq(false))
 152         // users can see their own deleted posts
 153         .filter(
 154           community::deleted
 155             .eq(false)
 156             .or(post::creator_id.eq(person_id_join)),
 157         )
 158         .filter(
 159           post::deleted
 160             .eq(false)
 161             .or(post::creator_id.eq(person_id_join)),
 162         );
 163     }
 164
 165     let (
 166       post,
 167       creator,
 168       community,
 169       creator_banned_from_community,
 170       counts,
 171       follower,
 172       saved,
 173       read,
 174       creator_blocked,
 175       post_like,
 176       unread_comments,
 177     ) = query.first::<PostViewTuple>(conn).await?;
 178
 179     // If a person is given, then my_vote, if None, should be 0, not null
 180     // Necessary to differentiate between other person's votes
 181     let my_vote = if my_person_id.is_some() && post_like.is_none() {
 182       Some(0)
 183     } else {
 184       post_like
 185     };
 186
 187     Ok(PostView {
 188       post,
 189       creator,
 190       community,
 191       creator_banned_from_community: creator_banned_from_community.is_some(),
 192       counts,
 193       subscribed: CommunityFollower::to_subscribed_type(&follower),
 194       saved: saved.is_some(),
 195       read: read.is_some(),
 196       creator_blocked: creator_blocked.is_some(),
 197       my_vote,
 198       unread_comments,
 199     })
 200   }
 201 }
 202
 203 #[derive(Default)]
 204 pub struct PostQuery<'a> {
 205   pub listing_type: Option<ListingType>,
 206   pub sort: Option<SortType>,
 207   pub creator_id: Option<PersonId>,
 208   pub community_id: Option<CommunityId>,
 209   pub local_user: Option<&'a LocalUserView>,
 210   pub search_term: Option<String>,
 211   pub url_search: Option<String>,
 212   pub saved_only: Option<bool>,
 213   pub is_profile_view: Option<bool>,
 214   pub page: Option<i64>,
 215   pub limit: Option<i64>,
 216 }
 217
 218 impl<'a> PostQuery<'a> {
 219   pub async fn list(self, pool: &mut DbPool<'_>) -> Result<Vec<PostView>, Error> {
 220     let conn = &mut get_conn(pool).await?;
 221
 222     // The left join below will return None in this case
 223     let person_id_join = self.local_user.map(|l| l.person.id).unwrap_or(PersonId(-1));
 224     let local_user_id_join = self
 225       .local_user
 226       .map(|l| l.local_user.id)
 227       .unwrap_or(LocalUserId(-1));
 228
 229     let mut query = post::table
 230       .inner_join(person::table)
 231       .inner_join(community::table)
 232       .left_join(
 233         community_person_ban::table.on(
 234           post::community_id
 235             .eq(community_person_ban::community_id)
 236             .and(community_person_ban::person_id.eq(post::creator_id)),
 237         ),
 238       )
 239       .inner_join(post_aggregates::table)
 240       .left_join(
 241         community_follower::table.on(
 242           post::community_id
 243             .eq(community_follower::community_id)
 244             .and(community_follower::person_id.eq(person_id_join)),
 245         ),
 246       )
 247       .left_join(
 248         post_saved::table.on(
 249           post::id
 250             .eq(post_saved::post_id)
 251             .and(post_saved::person_id.eq(person_id_join)),
 252         ),
 253       )
 254       .left_join(
 255         post_read::table.on(
 256           post::id
 257             .eq(post_read::post_id)
 258             .and(post_read::person_id.eq(person_id_join)),
 259         ),
 260       )
 261       .left_join(
 262         person_block::table.on(
 263           post::creator_id
 264             .eq(person_block::target_id)
 265             .and(person_block::person_id.eq(person_id_join)),
 266         ),
 267       )
 268       .left_join(
 269         community_block::table.on(
 270           post::community_id
 271             .eq(community_block::community_id)
 272             .and(community_block::person_id.eq(person_id_join)),
 273         ),
 274       )
 275       .left_join(
 276         post_like::table.on(
 277           post::id
 278             .eq(post_like::post_id)
 279             .and(post_like::person_id.eq(person_id_join)),
 280         ),
 281       )
 282       .left_join(
 283         person_post_aggregates::table.on(
 284           post::id
 285             .eq(person_post_aggregates::post_id)
 286             .and(person_post_aggregates::person_id.eq(person_id_join)),
 287         ),
 288       )
 289       .left_join(
 290         local_user_language::table.on(
 291           post::language_id
 292             .eq(local_user_language::language_id)
 293             .and(local_user_language::local_user_id.eq(local_user_id_join)),
 294         ),
 295       )
 296       .select((
 297         post::all_columns,
 298         person::all_columns,
 299         community::all_columns,
 300         community_person_ban::all_columns.nullable(),
 301         post_aggregates::all_columns,
 302         community_follower::all_columns.nullable(),
 303         post_saved::all_columns.nullable(),
 304         post_read::all_columns.nullable(),
 305         person_block::all_columns.nullable(),
 306         post_like::score.nullable(),
 307         coalesce(
 308           post_aggregates::comments.nullable() - person_post_aggregates::read_comments.nullable(),
 309           post_aggregates::comments,
 310         ),
 311       ))
 312       .into_boxed();
 313
 314     let is_profile_view = self.is_profile_view.unwrap_or(false);
 315     let is_creator = self.creator_id == self.local_user.map(|l| l.person.id);
 316     // only show deleted posts to creator
 317     if is_creator {
 318       query = query
 319         .filter(community::deleted.eq(false))
 320         .filter(post::deleted.eq(false));
 321     }
 322
 323     let is_admin = self.local_user.map(|l| l.person.admin).unwrap_or(false);
 324     // only show removed posts to admin when viewing user profile
 325     if !(is_profile_view && is_admin) {
 326       query = query
 327         .filter(community::removed.eq(false))
 328         .filter(post::removed.eq(false));
 329     }
 330
 331     if self.community_id.is_none() {
 332       query = query.then_order_by(post_aggregates::featured_local.desc());
 333     } else if let Some(community_id) = self.community_id {
 334       query = query
 335         .filter(post::community_id.eq(community_id))
 336         .then_order_by(post_aggregates::featured_community.desc());
 337     }
 338
 339     if let Some(creator_id) = self.creator_id {
 340       query = query.filter(post::creator_id.eq(creator_id));
 341     }
 342
 343     if let Some(listing_type) = self.listing_type {
 344       match listing_type {
 345         ListingType::Subscribed => {
 346           query = query.filter(community_follower::person_id.is_not_null())
 347         }
 348         ListingType::Local => {
 349           query = query.filter(community::local.eq(true)).filter(
 350             community::hidden
 351               .eq(false)
 352               .or(community_follower::person_id.eq(person_id_join)),
 353           );
 354         }
 355         ListingType::All => {
 356           query = query.filter(
 357             community::hidden
 358               .eq(false)
 359               .or(community_follower::person_id.eq(person_id_join)),
 360           )
 361         }
 362       }
 363     }
 364
 365     if let Some(url_search) = self.url_search {
 366       query = query.filter(post::url.eq(url_search));
 367     }
 368
 369     if let Some(search_term) = self.search_term {
 370       let searcher = fuzzy_search(&search_term);
 371       query = query.filter(
 372         post::name
 373           .ilike(searcher.clone())
 374           .or(post::body.ilike(searcher)),
 375       );
 376     }
 377
 378     if !self
 379       .local_user
 380       .map(|l| l.local_user.show_nsfw)
 381       .unwrap_or(false)
 382     {
 383       query = query
 384         .filter(post::nsfw.eq(false))
 385         .filter(community::nsfw.eq(false));
 386     };
 387
 388     if !self
 389       .local_user
 390       .map(|l| l.local_user.show_bot_accounts)
 391       .unwrap_or(true)
 392     {
 393       query = query.filter(person::bot_account.eq(false));
 394     };
 395
 396     if self.saved_only.unwrap_or(false) {
 397       query = query.filter(post_saved::post_id.is_not_null());
 398     }
 399     // Only hide the read posts, if the saved_only is false. Otherwise ppl with the hide_read
 400     // setting wont be able to see saved posts.
 401     else if !self
 402       .local_user
 403       .map(|l| l.local_user.show_read_posts)
 404       .unwrap_or(true)
 405     {
 406       query = query.filter(post_read::post_id.is_null());
 407     }
 408
 409     if self.local_user.is_some() {
 410       // Filter out the rows with missing languages
 411       query = query.filter(local_user_language::language_id.is_not_null());
 412
 413       // Don't show blocked communities or persons
 414       query = query.filter(community_block::person_id.is_null());
 415       query = query.filter(person_block::person_id.is_null());
 416     }
 417
 418     query = match self.sort.unwrap_or(SortType::Hot) {
 419       SortType::Active => query.then_order_by(post_aggregates::hot_rank_active.desc()),
 420       SortType::Hot => query.then_order_by(post_aggregates::hot_rank.desc()),
 421       SortType::New => query.then_order_by(post_aggregates::published.desc()),
 422       SortType::Old => query.then_order_by(post_aggregates::published.asc()),
 423       SortType::NewComments => query.then_order_by(post_aggregates::newest_comment_time.desc()),
 424       SortType::MostComments => query
 425         .then_order_by(post_aggregates::comments.desc())
 426         .then_order_by(post_aggregates::published.desc()),
 427       SortType::TopAll => query
 428         .then_order_by(post_aggregates::score.desc())
 429         .then_order_by(post_aggregates::published.desc()),
 430       SortType::TopYear => query
 431         .filter(post_aggregates::published.gt(now - 1.years()))
 432         .then_order_by(post_aggregates::score.desc())
 433         .then_order_by(post_aggregates::published.desc()),
 434       SortType::TopMonth => query
 435         .filter(post_aggregates::published.gt(now - 1.months()))
 436         .then_order_by(post_aggregates::score.desc())
 437         .then_order_by(post_aggregates::published.desc()),
 438       SortType::TopWeek => query
 439         .filter(post_aggregates::published.gt(now - 1.weeks()))
 440         .then_order_by(post_aggregates::score.desc())
 441         .then_order_by(post_aggregates::published.desc()),
 442       SortType::TopDay => query
 443         .filter(post_aggregates::published.gt(now - 1.days()))
 444         .then_order_by(post_aggregates::score.desc())
 445         .then_order_by(post_aggregates::published.desc()),
 446       SortType::TopHour => query
 447         .filter(post_aggregates::published.gt(now - 1.hours()))
 448         .then_order_by(post_aggregates::score.desc())
 449         .then_order_by(post_aggregates::published.desc()),
 450       SortType::TopSixHour => query
 451         .filter(post_aggregates::published.gt(now - 6.hours()))
 452         .then_order_by(post_aggregates::score.desc())
 453         .then_order_by(post_aggregates::published.desc()),
 454       SortType::TopTwelveHour => query
 455         .filter(post_aggregates::published.gt(now - 12.hours()))
 456         .then_order_by(post_aggregates::score.desc())
 457         .then_order_by(post_aggregates::published.desc()),
 458       SortType::TopThreeMonths => query
 459         .filter(post_aggregates::published.gt(now - 3.months()))
 460         .then_order_by(post_aggregates::score.desc())
 461         .then_order_by(post_aggregates::published.desc()),
 462       SortType::TopSixMonths => query
 463         .filter(post_aggregates::published.gt(now - 6.months()))
 464         .then_order_by(post_aggregates::score.desc())
 465         .then_order_by(post_aggregates::published.desc()),
 466       SortType::TopNineMonths => query
 467         .filter(post_aggregates::published.gt(now - 9.months()))
 468         .then_order_by(post_aggregates::score.desc())
 469         .then_order_by(post_aggregates::published.desc()),
 470     };
 471
 472     let (limit, offset) = limit_and_offset(self.page, self.limit)?;
 473
 474     query = query.limit(limit).offset(offset);
 475
 476     debug!("Post View Query: {:?}", debug_query::<Pg, _>(&query));
 477
 478     let res = query.load::<PostViewTuple>(conn).await?;
 479
 480     Ok(res.into_iter().map(PostView::from_tuple).collect())
 481   }
 482 }
 483
 484 impl JoinView for PostView {
 485   type JoinTuple = PostViewTuple;
 486   fn from_tuple(a: Self::JoinTuple) -> Self {
 487     Self {
 488       post: a.0,
 489       creator: a.1,
 490       community: a.2,
 491       creator_banned_from_community: a.3.is_some(),
 492       counts: a.4,
 493       subscribed: CommunityFollower::to_subscribed_type(&a.5),
 494       saved: a.6.is_some(),
 495       read: a.7.is_some(),
 496       creator_blocked: a.8.is_some(),
 497       my_vote: a.9,
 498       unread_comments: a.10,
 499     }
 500   }
 501 }
 502
 503 #[cfg(test)]
 504 mod tests {
 505   #![allow(clippy::unwrap_used)]
 506   #![allow(clippy::indexing_slicing)]
 507
 508   use crate::{
 509     post_view::{PostQuery, PostView},
 510     structs::LocalUserView,
 511   };
 512   use lemmy_db_schema::{
 513     aggregates::structs::PostAggregates,
 514     impls::actor_language::UNDETERMINED_ID,
 515     newtypes::LanguageId,
 516     source::{
 517       actor_language::LocalUserLanguage,
 518       community::{Community, CommunityInsertForm},
 519       community_block::{CommunityBlock, CommunityBlockForm},
 520       instance::Instance,
 521       language::Language,
 522       local_user::{LocalUser, LocalUserInsertForm, LocalUserUpdateForm},
 523       person::{Person, PersonInsertForm},
 524       person_block::{PersonBlock, PersonBlockForm},
 525       post::{Post, PostInsertForm, PostLike, PostLikeForm, PostUpdateForm},
 526     },
 527     traits::{Blockable, Crud, Likeable},
 528     utils::{build_db_pool_for_tests, DbPool},
 529     SortType,
 530     SubscribedType,
 531   };
 532   use serial_test::serial;
 533
 534   struct Data {
 535     inserted_instance: Instance,
 536     local_user_view: LocalUserView,
 537     inserted_blocked_person: Person,
 538     inserted_bot: Person,
 539     inserted_community: Community,
 540     inserted_post: Post,
 541   }
 542
 543   async fn init_data(pool: &mut DbPool<'_>) -> Data {
 544     let inserted_instance = Instance::read_or_create(pool, "my_domain.tld".to_string())
 545       .await
 546       .unwrap();
 547
 548     let person_name = "tegan".to_string();
 549
 550     let new_person = PersonInsertForm::builder()
 551       .name(person_name.clone())
 552       .public_key("pubkey".to_string())
 553       .instance_id(inserted_instance.id)
 554       .build();
 555
 556     let inserted_person = Person::create(pool, &new_person).await.unwrap();
 557
 558     let local_user_form = LocalUserInsertForm::builder()
 559       .person_id(inserted_person.id)
 560       .password_encrypted(String::new())
 561       .build();
 562     let inserted_local_user = LocalUser::create(pool, &local_user_form).await.unwrap();
 563
 564     let new_bot = PersonInsertForm::builder()
 565       .name("mybot".to_string())
 566       .bot_account(Some(true))
 567       .public_key("pubkey".to_string())
 568       .instance_id(inserted_instance.id)
 569       .build();
 570
 571     let inserted_bot = Person::create(pool, &new_bot).await.unwrap();
 572
 573     let new_community = CommunityInsertForm::builder()
 574       .name("test_community_3".to_string())
 575       .title("nada".to_owned())
 576       .public_key("pubkey".to_string())
 577       .instance_id(inserted_instance.id)
 578       .build();
 579
 580     let inserted_community = Community::create(pool, &new_community).await.unwrap();
 581
 582     // Test a person block, make sure the post query doesn't include their post
 583     let blocked_person = PersonInsertForm::builder()
 584       .name(person_name)
 585       .public_key("pubkey".to_string())
 586       .instance_id(inserted_instance.id)
 587       .build();
 588
 589     let inserted_blocked_person = Person::create(pool, &blocked_person).await.unwrap();
 590
 591     let post_from_blocked_person = PostInsertForm::builder()
 592       .name("blocked_person_post".to_string())
 593       .creator_id(inserted_blocked_person.id)
 594       .community_id(inserted_community.id)
 595       .language_id(Some(LanguageId(1)))
 596       .build();
 597
 598     Post::create(pool, &post_from_blocked_person).await.unwrap();
 599
 600     // block that person
 601     let person_block = PersonBlockForm {
 602       person_id: inserted_person.id,
 603       target_id: inserted_blocked_person.id,
 604     };
 605
 606     PersonBlock::block(pool, &person_block).await.unwrap();
 607
 608     // A sample post
 609     let new_post = PostInsertForm::builder()
 610       .name("test post 3".to_string())
 611       .creator_id(inserted_person.id)
 612       .community_id(inserted_community.id)
 613       .language_id(Some(LanguageId(47)))
 614       .build();
 615
 616     let inserted_post = Post::create(pool, &new_post).await.unwrap();
 617
 618     let new_bot_post = PostInsertForm::builder()
 619       .name("test bot post".to_string())
 620       .creator_id(inserted_bot.id)
 621       .community_id(inserted_community.id)
 622       .build();
 623
 624     let _inserted_bot_post = Post::create(pool, &new_bot_post).await.unwrap();
 625     let local_user_view = LocalUserView {
 626       local_user: inserted_local_user,
 627       person: inserted_person,
 628       counts: Default::default(),
 629     };
 630
 631     Data {
 632       inserted_instance,
 633       local_user_view,
 634       inserted_blocked_person,
 635       inserted_bot,
 636       inserted_community,
 637       inserted_post,
 638     }
 639   }
 640
 641   #[tokio::test]
 642   #[serial]
 643   async fn post_listing_with_person() {
 644     let pool = &build_db_pool_for_tests().await;
 645     let pool = &mut pool.into();
 646     let mut data = init_data(pool).await;
 647
 648     let local_user_form = LocalUserUpdateForm::builder()
 649       .show_bot_accounts(Some(false))
 650       .build();
 651     let inserted_local_user =
 652       LocalUser::update(pool, data.local_user_view.local_user.id, &local_user_form)
 653         .await
 654         .unwrap();
 655     data.local_user_view.local_user = inserted_local_user;
 656
 657     let read_post_listing = PostQuery {
 658       sort: (Some(SortType::New)),
 659       community_id: (Some(data.inserted_community.id)),
 660       local_user: (Some(&data.local_user_view)),
 661       ..Default::default()
 662     }
 663     .list(pool)
 664     .await
 665     .unwrap();
 666
 667     let post_listing_single_with_person = PostView::read(
 668       pool,
 669       data.inserted_post.id,
 670       Some(data.local_user_view.person.id),
 671       None,
 672     )
 673     .await
 674     .unwrap();
 675
 676     let mut expected_post_listing_with_user = expected_post_view(&data, pool).await;
 677
 678     // Should be only one person, IE the bot post, and blocked should be missing
 679     assert_eq!(1, read_post_listing.len());
 680
 681     assert_eq!(expected_post_listing_with_user, read_post_listing[0]);
 682     expected_post_listing_with_user.my_vote = Some(0);
 683     assert_eq!(
 684       expected_post_listing_with_user,
 685       post_listing_single_with_person
 686     );
 687
 688     let local_user_form = LocalUserUpdateForm::builder()
 689       .show_bot_accounts(Some(true))
 690       .build();
 691     let inserted_local_user =
 692       LocalUser::update(pool, data.local_user_view.local_user.id, &local_user_form)
 693         .await
 694         .unwrap();
 695     data.local_user_view.local_user = inserted_local_user;
 696
 697     let post_listings_with_bots = PostQuery {
 698       sort: (Some(SortType::New)),
 699       community_id: (Some(data.inserted_community.id)),
 700       local_user: (Some(&data.local_user_view)),
 701       ..Default::default()
 702     }
 703     .list(pool)
 704     .await
 705     .unwrap();
 706     // should include bot post which has "undetermined" language
 707     assert_eq!(2, post_listings_with_bots.len());
 708
 709     cleanup(data, pool).await;
 710   }
 711
 712   #[tokio::test]
 713   #[serial]
 714   async fn post_listing_no_person() {
 715     let pool = &build_db_pool_for_tests().await;
 716     let pool = &mut pool.into();
 717     let data = init_data(pool).await;
 718
 719     let read_post_listing_multiple_no_person = PostQuery {
 720       sort: (Some(SortType::New)),
 721       community_id: (Some(data.inserted_community.id)),
 722       ..Default::default()
 723     }
 724     .list(pool)
 725     .await
 726     .unwrap();
 727
 728     let read_post_listing_single_no_person =
 729       PostView::read(pool, data.inserted_post.id, None, None)
 730         .await
 731         .unwrap();
 732
 733     let expected_post_listing_no_person = expected_post_view(&data, pool).await;
 734
 735     // Should be 2 posts, with the bot post, and the blocked
 736     assert_eq!(3, read_post_listing_multiple_no_person.len());
 737
 738     assert_eq!(
 739       expected_post_listing_no_person,
 740       read_post_listing_multiple_no_person[1]
 741     );
 742     assert_eq!(
 743       expected_post_listing_no_person,
 744       read_post_listing_single_no_person
 745     );
 746
 747     cleanup(data, pool).await;
 748   }
 749
 750   #[tokio::test]
 751   #[serial]
 752   async fn post_listing_block_community() {
 753     let pool = &build_db_pool_for_tests().await;
 754     let pool = &mut pool.into();
 755     let data = init_data(pool).await;
 756
 757     let community_block = CommunityBlockForm {
 758       person_id: data.local_user_view.person.id,
 759       community_id: data.inserted_community.id,
 760     };
 761     CommunityBlock::block(pool, &community_block).await.unwrap();
 762
 763     let read_post_listings_with_person_after_block = PostQuery {
 764       sort: (Some(SortType::New)),
 765       community_id: (Some(data.inserted_community.id)),
 766       local_user: (Some(&data.local_user_view)),
 767       ..Default::default()
 768     }
 769     .list(pool)
 770     .await
 771     .unwrap();
 772     // Should be 0 posts after the community block
 773     assert_eq!(0, read_post_listings_with_person_after_block.len());
 774
 775     CommunityBlock::unblock(pool, &community_block)
 776       .await
 777       .unwrap();
 778     cleanup(data, pool).await;
 779   }
 780
 781   #[tokio::test]
 782   #[serial]
 783   async fn post_listing_like() {
 784     let pool = &build_db_pool_for_tests().await;
 785     let pool = &mut pool.into();
 786     let mut data = init_data(pool).await;
 787
 788     let post_like_form = PostLikeForm {
 789       post_id: data.inserted_post.id,
 790       person_id: data.local_user_view.person.id,
 791       score: 1,
 792     };
 793
 794     let inserted_post_like = PostLike::like(pool, &post_like_form).await.unwrap();
 795
 796     let expected_post_like = PostLike {
 797       id: inserted_post_like.id,
 798       post_id: data.inserted_post.id,
 799       person_id: data.local_user_view.person.id,
 800       published: inserted_post_like.published,
 801       score: 1,
 802     };
 803     assert_eq!(expected_post_like, inserted_post_like);
 804
 805     let post_listing_single_with_person = PostView::read(
 806       pool,
 807       data.inserted_post.id,
 808       Some(data.local_user_view.person.id),
 809       None,
 810     )
 811     .await
 812     .unwrap();
 813
 814     let mut expected_post_with_upvote = expected_post_view(&data, pool).await;
 815     expected_post_with_upvote.my_vote = Some(1);
 816     expected_post_with_upvote.counts.score = 1;
 817     expected_post_with_upvote.counts.upvotes = 1;
 818     assert_eq!(expected_post_with_upvote, post_listing_single_with_person);
 819
 820     let local_user_form = LocalUserUpdateForm::builder()
 821       .show_bot_accounts(Some(false))
 822       .build();
 823     let inserted_local_user =
 824       LocalUser::update(pool, data.local_user_view.local_user.id, &local_user_form)
 825         .await
 826         .unwrap();
 827     data.local_user_view.local_user = inserted_local_user;
 828
 829     let read_post_listing = PostQuery {
 830       sort: (Some(SortType::New)),
 831       community_id: (Some(data.inserted_community.id)),
 832       local_user: (Some(&data.local_user_view)),
 833       ..Default::default()
 834     }
 835     .list(pool)
 836     .await
 837     .unwrap();
 838     assert_eq!(1, read_post_listing.len());
 839
 840     assert_eq!(expected_post_with_upvote, read_post_listing[0]);
 841
 842     let like_removed =
 843       PostLike::remove(pool, data.local_user_view.person.id, data.inserted_post.id)
 844         .await
 845         .unwrap();
 846     assert_eq!(1, like_removed);
 847     cleanup(data, pool).await;
 848   }
 849
 850   #[tokio::test]
 851   #[serial]
 852   async fn post_listing_person_language() {
 853     let pool = &build_db_pool_for_tests().await;
 854     let pool = &mut pool.into();
 855     let data = init_data(pool).await;
 856
 857     let spanish_id = Language::read_id_from_code(pool, Some("es"))
 858       .await
 859       .unwrap()
 860       .unwrap();
 861     let post_spanish = PostInsertForm::builder()
 862       .name("asffgdsc".to_string())
 863       .creator_id(data.local_user_view.person.id)
 864       .community_id(data.inserted_community.id)
 865       .language_id(Some(spanish_id))
 866       .build();
 867
 868     Post::create(pool, &post_spanish).await.unwrap();
 869
 870     let post_listings_all = PostQuery {
 871       sort: (Some(SortType::New)),
 872       local_user: (Some(&data.local_user_view)),
 873       ..Default::default()
 874     }
 875     .list(pool)
 876     .await
 877     .unwrap();
 878
 879     // no language filters specified, all posts should be returned
 880     assert_eq!(3, post_listings_all.len());
 881
 882     let french_id = Language::read_id_from_code(pool, Some("fr"))
 883       .await
 884       .unwrap()
 885       .unwrap();
 886     LocalUserLanguage::update(pool, vec![french_id], data.local_user_view.local_user.id)
 887       .await
 888       .unwrap();
 889
 890     let post_listing_french = PostQuery {
 891       sort: (Some(SortType::New)),
 892       local_user: (Some(&data.local_user_view)),
 893       ..Default::default()
 894     }
 895     .list(pool)
 896     .await
 897     .unwrap();
 898
 899     // only one post in french and one undetermined should be returned
 900     assert_eq!(2, post_listing_french.len());
 901     assert!(post_listing_french
 902       .iter()
 903       .any(|p| p.post.language_id == french_id));
 904
 905     LocalUserLanguage::update(
 906       pool,
 907       vec![french_id, UNDETERMINED_ID],
 908       data.local_user_view.local_user.id,
 909     )
 910     .await
 911     .unwrap();
 912     let post_listings_french_und = PostQuery {
 913       sort: (Some(SortType::New)),
 914       local_user: (Some(&data.local_user_view)),
 915       ..Default::default()
 916     }
 917     .list(pool)
 918     .await
 919     .unwrap();
 920
 921     // french post and undetermined language post should be returned
 922     assert_eq!(2, post_listings_french_und.len());
 923     assert_eq!(
 924       UNDETERMINED_ID,
 925       post_listings_french_und[0].post.language_id
 926     );
 927     assert_eq!(french_id, post_listings_french_und[1].post.language_id);
 928
 929     cleanup(data, pool).await;
 930   }
 931
 932   #[tokio::test]
 933   #[serial]
 934   async fn post_listings_removed() {
 935     let pool = &build_db_pool_for_tests().await;
 936     let pool = &mut pool.into();
 937     let mut data = init_data(pool).await;
 938
 939     // Remove the post
 940     Post::update(
 941       pool,
 942       data.inserted_post.id,
 943       &PostUpdateForm::builder().removed(Some(true)).build(),
 944     )
 945     .await
 946     .unwrap();
 947
 948     // Make sure you don't see the removed post in the results
 949     let post_listings_no_admin = PostQuery {
 950       sort: Some(SortType::New),
 951       local_user: Some(&data.local_user_view),
 952       ..Default::default()
 953     }
 954     .list(pool)
 955     .await
 956     .unwrap();
 957     assert_eq!(1, post_listings_no_admin.len());
 958
 959     // Removed post is shown to admins on profile page
 960     data.local_user_view.person.admin = true;
 961     let post_listings_is_admin = PostQuery {
 962       sort: Some(SortType::New),
 963       local_user: Some(&data.local_user_view),
 964       is_profile_view: Some(true),
 965       ..Default::default()
 966     }
 967     .list(pool)
 968     .await
 969     .unwrap();
 970     assert_eq!(2, post_listings_is_admin.len());
 971
 972     cleanup(data, pool).await;
 973   }
 974
 975   #[tokio::test]
 976   #[serial]
 977   async fn post_listings_deleted() {
 978     let pool = &build_db_pool_for_tests().await;
 979     let pool = &mut pool.into();
 980     let data = init_data(pool).await;
 981
 982     // Delete the post
 983     Post::update(
 984       pool,
 985       data.inserted_post.id,
 986       &PostUpdateForm::builder().deleted(Some(true)).build(),
 987     )
 988     .await
 989     .unwrap();
 990
 991     // Make sure you don't see the deleted post in the results
 992     let post_listings_no_creator = PostQuery {
 993       sort: Some(SortType::New),
 994       ..Default::default()
 995     }
 996     .list(pool)
 997     .await
 998     .unwrap();
 999     let not_contains_deleted = post_listings_no_creator
1000       .iter()
1001       .map(|p| p.post.id)
1002       .all(|p| p != data.inserted_post.id);
1003     assert!(not_contains_deleted);
1004
1005     // Deleted post is shown to creator
1006     let post_listings_is_creator = PostQuery {
1007       sort: Some(SortType::New),
1008       local_user: Some(&data.local_user_view),
1009       ..Default::default()
1010     }
1011     .list(pool)
1012     .await
1013     .unwrap();
1014     let contains_deleted = post_listings_is_creator
1015       .iter()
1016       .map(|p| p.post.id)
1017       .any(|p| p == data.inserted_post.id);
1018     assert!(contains_deleted);
1019
1020     cleanup(data, pool).await;
1021   }
1022
1023   async fn cleanup(data: Data, pool: &mut DbPool<'_>) {
1024     let num_deleted = Post::delete(pool, data.inserted_post.id).await.unwrap();
1025     Community::delete(pool, data.inserted_community.id)
1026       .await
1027       .unwrap();
1028     Person::delete(pool, data.local_user_view.person.id)
1029       .await
1030       .unwrap();
1031     Person::delete(pool, data.inserted_bot.id).await.unwrap();
1032     Person::delete(pool, data.inserted_blocked_person.id)
1033       .await
1034       .unwrap();
1035     Instance::delete(pool, data.inserted_instance.id)
1036       .await
1037       .unwrap();
1038     assert_eq!(1, num_deleted);
1039   }
1040
1041   async fn expected_post_view(data: &Data, pool: &mut DbPool<'_>) -> PostView {
1042     let (inserted_person, inserted_community, inserted_post) = (
1043       &data.local_user_view.person,
1044       &data.inserted_community,
1045       &data.inserted_post,
1046     );
1047     let agg = PostAggregates::read(pool, inserted_post.id).await.unwrap();
1048
1049     PostView {
1050       post: Post {
1051         id: inserted_post.id,
1052         name: inserted_post.name.clone(),
1053         creator_id: inserted_person.id,
1054         url: None,
1055         body: None,
1056         published: inserted_post.published,
1057         updated: None,
1058         community_id: inserted_community.id,
1059         removed: false,
1060         deleted: false,
1061         locked: false,
1062         nsfw: false,
1063         embed_title: None,
1064         embed_description: None,
1065         embed_video_url: None,
1066         thumbnail_url: None,
1067         ap_id: inserted_post.ap_id.clone(),
1068         local: true,
1069         language_id: LanguageId(47),
1070         featured_community: false,
1071         featured_local: false,
1072       },
1073       my_vote: None,
1074       unread_comments: 0,
1075       creator: Person {
1076         id: inserted_person.id,
1077         name: inserted_person.name.clone(),
1078         display_name: None,
1079         published: inserted_person.published,
1080         avatar: None,
1081         actor_id: inserted_person.actor_id.clone(),
1082         local: true,
1083         admin: false,
1084         bot_account: false,
1085         banned: false,
1086         deleted: false,
1087         bio: None,
1088         banner: None,
1089         updated: None,
1090         inbox_url: inserted_person.inbox_url.clone(),
1091         shared_inbox_url: None,
1092         matrix_user_id: None,
1093         ban_expires: None,
1094         instance_id: data.inserted_instance.id,
1095         private_key: inserted_person.private_key.clone(),
1096         public_key: inserted_person.public_key.clone(),
1097         last_refreshed_at: inserted_person.last_refreshed_at,
1098       },
1099       creator_banned_from_community: false,
1100       community: Community {
1101         id: inserted_community.id,
1102         name: inserted_community.name.clone(),
1103         icon: None,
1104         removed: false,
1105         deleted: false,
1106         nsfw: false,
1107         actor_id: inserted_community.actor_id.clone(),
1108         local: true,
1109         title: "nada".to_owned(),
1110         description: None,
1111         updated: None,
1112         banner: None,
1113         hidden: false,
1114         posting_restricted_to_mods: false,
1115         published: inserted_community.published,
1116         instance_id: data.inserted_instance.id,
1117         private_key: inserted_community.private_key.clone(),
1118         public_key: inserted_community.public_key.clone(),
1119         last_refreshed_at: inserted_community.last_refreshed_at,
1120         followers_url: inserted_community.followers_url.clone(),
1121         inbox_url: inserted_community.inbox_url.clone(),
1122         shared_inbox_url: inserted_community.shared_inbox_url.clone(),
1123         moderators_url: inserted_community.moderators_url.clone(),
1124         featured_url: inserted_community.featured_url.clone(),
1125       },
1126       counts: PostAggregates {
1127         id: agg.id,
1128         post_id: inserted_post.id,
1129         comments: 0,
1130         score: 0,
1131         upvotes: 0,
1132         downvotes: 0,
1133         published: agg.published,
1134         newest_comment_time_necro: inserted_post.published,
1135         newest_comment_time: inserted_post.published,
1136         featured_community: false,
1137         featured_local: false,
1138         hot_rank: 1728,
1139         hot_rank_active: 1728,
1140       },
1141       subscribed: SubscribedType::NotSubscribed,
1142       read: false,
1143       saved: false,
1144       creator_blocked: false,
1145     }
1146   }
1147 }