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
 420         .then_order_by(post_aggregates::hot_rank_active.desc())
 421         .then_order_by(post_aggregates::published.desc()),
 422       SortType::Hot => query
 423         .then_order_by(post_aggregates::hot_rank.desc())
 424         .then_order_by(post_aggregates::published.desc()),
 425       SortType::New => query.then_order_by(post_aggregates::published.desc()),
 426       SortType::Old => query.then_order_by(post_aggregates::published.asc()),
 427       SortType::NewComments => query.then_order_by(post_aggregates::newest_comment_time.desc()),
 428       SortType::MostComments => query
 429         .then_order_by(post_aggregates::comments.desc())
 430         .then_order_by(post_aggregates::published.desc()),
 431       SortType::TopAll => query
 432         .then_order_by(post_aggregates::score.desc())
 433         .then_order_by(post_aggregates::published.desc()),
 434       SortType::TopYear => query
 435         .filter(post_aggregates::published.gt(now - 1.years()))
 436         .then_order_by(post_aggregates::score.desc())
 437         .then_order_by(post_aggregates::published.desc()),
 438       SortType::TopMonth => query
 439         .filter(post_aggregates::published.gt(now - 1.months()))
 440         .then_order_by(post_aggregates::score.desc())
 441         .then_order_by(post_aggregates::published.desc()),
 442       SortType::TopWeek => query
 443         .filter(post_aggregates::published.gt(now - 1.weeks()))
 444         .then_order_by(post_aggregates::score.desc())
 445         .then_order_by(post_aggregates::published.desc()),
 446       SortType::TopDay => query
 447         .filter(post_aggregates::published.gt(now - 1.days()))
 448         .then_order_by(post_aggregates::score.desc())
 449         .then_order_by(post_aggregates::published.desc()),
 450       SortType::TopHour => query
 451         .filter(post_aggregates::published.gt(now - 1.hours()))
 452         .then_order_by(post_aggregates::score.desc())
 453         .then_order_by(post_aggregates::published.desc()),
 454       SortType::TopSixHour => query
 455         .filter(post_aggregates::published.gt(now - 6.hours()))
 456         .then_order_by(post_aggregates::score.desc())
 457         .then_order_by(post_aggregates::published.desc()),
 458       SortType::TopTwelveHour => query
 459         .filter(post_aggregates::published.gt(now - 12.hours()))
 460         .then_order_by(post_aggregates::score.desc())
 461         .then_order_by(post_aggregates::published.desc()),
 462       SortType::TopThreeMonths => query
 463         .filter(post_aggregates::published.gt(now - 3.months()))
 464         .then_order_by(post_aggregates::score.desc())
 465         .then_order_by(post_aggregates::published.desc()),
 466       SortType::TopSixMonths => query
 467         .filter(post_aggregates::published.gt(now - 6.months()))
 468         .then_order_by(post_aggregates::score.desc())
 469         .then_order_by(post_aggregates::published.desc()),
 470       SortType::TopNineMonths => query
 471         .filter(post_aggregates::published.gt(now - 9.months()))
 472         .then_order_by(post_aggregates::score.desc())
 473         .then_order_by(post_aggregates::published.desc()),
 474     };
 475
 476     let (limit, offset) = limit_and_offset(self.page, self.limit)?;
 477
 478     query = query.limit(limit).offset(offset);
 479
 480     debug!("Post View Query: {:?}", debug_query::<Pg, _>(&query));
 481
 482     let res = query.load::<PostViewTuple>(conn).await?;
 483
 484     Ok(res.into_iter().map(PostView::from_tuple).collect())
 485   }
 486 }
 487
 488 impl JoinView for PostView {
 489   type JoinTuple = PostViewTuple;
 490   fn from_tuple(a: Self::JoinTuple) -> Self {
 491     Self {
 492       post: a.0,
 493       creator: a.1,
 494       community: a.2,
 495       creator_banned_from_community: a.3.is_some(),
 496       counts: a.4,
 497       subscribed: CommunityFollower::to_subscribed_type(&a.5),
 498       saved: a.6.is_some(),
 499       read: a.7.is_some(),
 500       creator_blocked: a.8.is_some(),
 501       my_vote: a.9,
 502       unread_comments: a.10,
 503     }
 504   }
 505 }
 506
 507 #[cfg(test)]
 508 mod tests {
 509   #![allow(clippy::unwrap_used)]
 510   #![allow(clippy::indexing_slicing)]
 511
 512   use crate::{
 513     post_view::{PostQuery, PostView},
 514     structs::LocalUserView,
 515   };
 516   use lemmy_db_schema::{
 517     aggregates::structs::PostAggregates,
 518     impls::actor_language::UNDETERMINED_ID,
 519     newtypes::LanguageId,
 520     source::{
 521       actor_language::LocalUserLanguage,
 522       community::{Community, CommunityInsertForm},
 523       community_block::{CommunityBlock, CommunityBlockForm},
 524       instance::Instance,
 525       language::Language,
 526       local_user::{LocalUser, LocalUserInsertForm, LocalUserUpdateForm},
 527       person::{Person, PersonInsertForm},
 528       person_block::{PersonBlock, PersonBlockForm},
 529       post::{Post, PostInsertForm, PostLike, PostLikeForm, PostUpdateForm},
 530     },
 531     traits::{Blockable, Crud, Likeable},
 532     utils::{build_db_pool_for_tests, DbPool},
 533     SortType,
 534     SubscribedType,
 535   };
 536   use serial_test::serial;
 537
 538   struct Data {
 539     inserted_instance: Instance,
 540     local_user_view: LocalUserView,
 541     inserted_blocked_person: Person,
 542     inserted_bot: Person,
 543     inserted_community: Community,
 544     inserted_post: Post,
 545   }
 546
 547   async fn init_data(pool: &mut DbPool<'_>) -> Data {
 548     let inserted_instance = Instance::read_or_create(pool, "my_domain.tld".to_string())
 549       .await
 550       .unwrap();
 551
 552     let person_name = "tegan".to_string();
 553
 554     let new_person = PersonInsertForm::builder()
 555       .name(person_name.clone())
 556       .public_key("pubkey".to_string())
 557       .instance_id(inserted_instance.id)
 558       .build();
 559
 560     let inserted_person = Person::create(pool, &new_person).await.unwrap();
 561
 562     let local_user_form = LocalUserInsertForm::builder()
 563       .person_id(inserted_person.id)
 564       .password_encrypted(String::new())
 565       .build();
 566     let inserted_local_user = LocalUser::create(pool, &local_user_form).await.unwrap();
 567
 568     let new_bot = PersonInsertForm::builder()
 569       .name("mybot".to_string())
 570       .bot_account(Some(true))
 571       .public_key("pubkey".to_string())
 572       .instance_id(inserted_instance.id)
 573       .build();
 574
 575     let inserted_bot = Person::create(pool, &new_bot).await.unwrap();
 576
 577     let new_community = CommunityInsertForm::builder()
 578       .name("test_community_3".to_string())
 579       .title("nada".to_owned())
 580       .public_key("pubkey".to_string())
 581       .instance_id(inserted_instance.id)
 582       .build();
 583
 584     let inserted_community = Community::create(pool, &new_community).await.unwrap();
 585
 586     // Test a person block, make sure the post query doesn't include their post
 587     let blocked_person = PersonInsertForm::builder()
 588       .name(person_name)
 589       .public_key("pubkey".to_string())
 590       .instance_id(inserted_instance.id)
 591       .build();
 592
 593     let inserted_blocked_person = Person::create(pool, &blocked_person).await.unwrap();
 594
 595     let post_from_blocked_person = PostInsertForm::builder()
 596       .name("blocked_person_post".to_string())
 597       .creator_id(inserted_blocked_person.id)
 598       .community_id(inserted_community.id)
 599       .language_id(Some(LanguageId(1)))
 600       .build();
 601
 602     Post::create(pool, &post_from_blocked_person).await.unwrap();
 603
 604     // block that person
 605     let person_block = PersonBlockForm {
 606       person_id: inserted_person.id,
 607       target_id: inserted_blocked_person.id,
 608     };
 609
 610     PersonBlock::block(pool, &person_block).await.unwrap();
 611
 612     // A sample post
 613     let new_post = PostInsertForm::builder()
 614       .name("test post 3".to_string())
 615       .creator_id(inserted_person.id)
 616       .community_id(inserted_community.id)
 617       .language_id(Some(LanguageId(47)))
 618       .build();
 619
 620     let inserted_post = Post::create(pool, &new_post).await.unwrap();
 621
 622     let new_bot_post = PostInsertForm::builder()
 623       .name("test bot post".to_string())
 624       .creator_id(inserted_bot.id)
 625       .community_id(inserted_community.id)
 626       .build();
 627
 628     let _inserted_bot_post = Post::create(pool, &new_bot_post).await.unwrap();
 629     let local_user_view = LocalUserView {
 630       local_user: inserted_local_user,
 631       person: inserted_person,
 632       counts: Default::default(),
 633     };
 634
 635     Data {
 636       inserted_instance,
 637       local_user_view,
 638       inserted_blocked_person,
 639       inserted_bot,
 640       inserted_community,
 641       inserted_post,
 642     }
 643   }
 644
 645   #[tokio::test]
 646   #[serial]
 647   async fn post_listing_with_person() {
 648     let pool = &build_db_pool_for_tests().await;
 649     let pool = &mut pool.into();
 650     let mut data = init_data(pool).await;
 651
 652     let local_user_form = LocalUserUpdateForm::builder()
 653       .show_bot_accounts(Some(false))
 654       .build();
 655     let inserted_local_user =
 656       LocalUser::update(pool, data.local_user_view.local_user.id, &local_user_form)
 657         .await
 658         .unwrap();
 659     data.local_user_view.local_user = inserted_local_user;
 660
 661     let read_post_listing = PostQuery {
 662       sort: (Some(SortType::New)),
 663       community_id: (Some(data.inserted_community.id)),
 664       local_user: (Some(&data.local_user_view)),
 665       ..Default::default()
 666     }
 667     .list(pool)
 668     .await
 669     .unwrap();
 670
 671     let post_listing_single_with_person = PostView::read(
 672       pool,
 673       data.inserted_post.id,
 674       Some(data.local_user_view.person.id),
 675       None,
 676     )
 677     .await
 678     .unwrap();
 679
 680     let mut expected_post_listing_with_user = expected_post_view(&data, pool).await;
 681
 682     // Should be only one person, IE the bot post, and blocked should be missing
 683     assert_eq!(1, read_post_listing.len());
 684
 685     assert_eq!(expected_post_listing_with_user, read_post_listing[0]);
 686     expected_post_listing_with_user.my_vote = Some(0);
 687     assert_eq!(
 688       expected_post_listing_with_user,
 689       post_listing_single_with_person
 690     );
 691
 692     let local_user_form = LocalUserUpdateForm::builder()
 693       .show_bot_accounts(Some(true))
 694       .build();
 695     let inserted_local_user =
 696       LocalUser::update(pool, data.local_user_view.local_user.id, &local_user_form)
 697         .await
 698         .unwrap();
 699     data.local_user_view.local_user = inserted_local_user;
 700
 701     let post_listings_with_bots = PostQuery {
 702       sort: (Some(SortType::New)),
 703       community_id: (Some(data.inserted_community.id)),
 704       local_user: (Some(&data.local_user_view)),
 705       ..Default::default()
 706     }
 707     .list(pool)
 708     .await
 709     .unwrap();
 710     // should include bot post which has "undetermined" language
 711     assert_eq!(2, post_listings_with_bots.len());
 712
 713     cleanup(data, pool).await;
 714   }
 715
 716   #[tokio::test]
 717   #[serial]
 718   async fn post_listing_no_person() {
 719     let pool = &build_db_pool_for_tests().await;
 720     let pool = &mut pool.into();
 721     let data = init_data(pool).await;
 722
 723     let read_post_listing_multiple_no_person = PostQuery {
 724       sort: (Some(SortType::New)),
 725       community_id: (Some(data.inserted_community.id)),
 726       ..Default::default()
 727     }
 728     .list(pool)
 729     .await
 730     .unwrap();
 731
 732     let read_post_listing_single_no_person =
 733       PostView::read(pool, data.inserted_post.id, None, None)
 734         .await
 735         .unwrap();
 736
 737     let expected_post_listing_no_person = expected_post_view(&data, pool).await;
 738
 739     // Should be 2 posts, with the bot post, and the blocked
 740     assert_eq!(3, read_post_listing_multiple_no_person.len());
 741
 742     assert_eq!(
 743       expected_post_listing_no_person,
 744       read_post_listing_multiple_no_person[1]
 745     );
 746     assert_eq!(
 747       expected_post_listing_no_person,
 748       read_post_listing_single_no_person
 749     );
 750
 751     cleanup(data, pool).await;
 752   }
 753
 754   #[tokio::test]
 755   #[serial]
 756   async fn post_listing_block_community() {
 757     let pool = &build_db_pool_for_tests().await;
 758     let pool = &mut pool.into();
 759     let data = init_data(pool).await;
 760
 761     let community_block = CommunityBlockForm {
 762       person_id: data.local_user_view.person.id,
 763       community_id: data.inserted_community.id,
 764     };
 765     CommunityBlock::block(pool, &community_block).await.unwrap();
 766
 767     let read_post_listings_with_person_after_block = PostQuery {
 768       sort: (Some(SortType::New)),
 769       community_id: (Some(data.inserted_community.id)),
 770       local_user: (Some(&data.local_user_view)),
 771       ..Default::default()
 772     }
 773     .list(pool)
 774     .await
 775     .unwrap();
 776     // Should be 0 posts after the community block
 777     assert_eq!(0, read_post_listings_with_person_after_block.len());
 778
 779     CommunityBlock::unblock(pool, &community_block)
 780       .await
 781       .unwrap();
 782     cleanup(data, pool).await;
 783   }
 784
 785   #[tokio::test]
 786   #[serial]
 787   async fn post_listing_like() {
 788     let pool = &build_db_pool_for_tests().await;
 789     let pool = &mut pool.into();
 790     let mut data = init_data(pool).await;
 791
 792     let post_like_form = PostLikeForm {
 793       post_id: data.inserted_post.id,
 794       person_id: data.local_user_view.person.id,
 795       score: 1,
 796     };
 797
 798     let inserted_post_like = PostLike::like(pool, &post_like_form).await.unwrap();
 799
 800     let expected_post_like = PostLike {
 801       id: inserted_post_like.id,
 802       post_id: data.inserted_post.id,
 803       person_id: data.local_user_view.person.id,
 804       published: inserted_post_like.published,
 805       score: 1,
 806     };
 807     assert_eq!(expected_post_like, inserted_post_like);
 808
 809     let post_listing_single_with_person = PostView::read(
 810       pool,
 811       data.inserted_post.id,
 812       Some(data.local_user_view.person.id),
 813       None,
 814     )
 815     .await
 816     .unwrap();
 817
 818     let mut expected_post_with_upvote = expected_post_view(&data, pool).await;
 819     expected_post_with_upvote.my_vote = Some(1);
 820     expected_post_with_upvote.counts.score = 1;
 821     expected_post_with_upvote.counts.upvotes = 1;
 822     assert_eq!(expected_post_with_upvote, post_listing_single_with_person);
 823
 824     let local_user_form = LocalUserUpdateForm::builder()
 825       .show_bot_accounts(Some(false))
 826       .build();
 827     let inserted_local_user =
 828       LocalUser::update(pool, data.local_user_view.local_user.id, &local_user_form)
 829         .await
 830         .unwrap();
 831     data.local_user_view.local_user = inserted_local_user;
 832
 833     let read_post_listing = PostQuery {
 834       sort: (Some(SortType::New)),
 835       community_id: (Some(data.inserted_community.id)),
 836       local_user: (Some(&data.local_user_view)),
 837       ..Default::default()
 838     }
 839     .list(pool)
 840     .await
 841     .unwrap();
 842     assert_eq!(1, read_post_listing.len());
 843
 844     assert_eq!(expected_post_with_upvote, read_post_listing[0]);
 845
 846     let like_removed =
 847       PostLike::remove(pool, data.local_user_view.person.id, data.inserted_post.id)
 848         .await
 849         .unwrap();
 850     assert_eq!(1, like_removed);
 851     cleanup(data, pool).await;
 852   }
 853
 854   #[tokio::test]
 855   #[serial]
 856   async fn post_listing_person_language() {
 857     let pool = &build_db_pool_for_tests().await;
 858     let pool = &mut pool.into();
 859     let data = init_data(pool).await;
 860
 861     let spanish_id = Language::read_id_from_code(pool, Some("es"))
 862       .await
 863       .unwrap()
 864       .unwrap();
 865     let post_spanish = PostInsertForm::builder()
 866       .name("asffgdsc".to_string())
 867       .creator_id(data.local_user_view.person.id)
 868       .community_id(data.inserted_community.id)
 869       .language_id(Some(spanish_id))
 870       .build();
 871
 872     Post::create(pool, &post_spanish).await.unwrap();
 873
 874     let post_listings_all = PostQuery {
 875       sort: (Some(SortType::New)),
 876       local_user: (Some(&data.local_user_view)),
 877       ..Default::default()
 878     }
 879     .list(pool)
 880     .await
 881     .unwrap();
 882
 883     // no language filters specified, all posts should be returned
 884     assert_eq!(3, post_listings_all.len());
 885
 886     let french_id = Language::read_id_from_code(pool, Some("fr"))
 887       .await
 888       .unwrap()
 889       .unwrap();
 890     LocalUserLanguage::update(pool, vec![french_id], data.local_user_view.local_user.id)
 891       .await
 892       .unwrap();
 893
 894     let post_listing_french = PostQuery {
 895       sort: (Some(SortType::New)),
 896       local_user: (Some(&data.local_user_view)),
 897       ..Default::default()
 898     }
 899     .list(pool)
 900     .await
 901     .unwrap();
 902
 903     // only one post in french and one undetermined should be returned
 904     assert_eq!(2, post_listing_french.len());
 905     assert!(post_listing_french
 906       .iter()
 907       .any(|p| p.post.language_id == french_id));
 908
 909     LocalUserLanguage::update(
 910       pool,
 911       vec![french_id, UNDETERMINED_ID],
 912       data.local_user_view.local_user.id,
 913     )
 914     .await
 915     .unwrap();
 916     let post_listings_french_und = PostQuery {
 917       sort: (Some(SortType::New)),
 918       local_user: (Some(&data.local_user_view)),
 919       ..Default::default()
 920     }
 921     .list(pool)
 922     .await
 923     .unwrap();
 924
 925     // french post and undetermined language post should be returned
 926     assert_eq!(2, post_listings_french_und.len());
 927     assert_eq!(
 928       UNDETERMINED_ID,
 929       post_listings_french_und[0].post.language_id
 930     );
 931     assert_eq!(french_id, post_listings_french_und[1].post.language_id);
 932
 933     cleanup(data, pool).await;
 934   }
 935
 936   #[tokio::test]
 937   #[serial]
 938   async fn post_listings_removed() {
 939     let pool = &build_db_pool_for_tests().await;
 940     let pool = &mut pool.into();
 941     let mut data = init_data(pool).await;
 942
 943     // Remove the post
 944     Post::update(
 945       pool,
 946       data.inserted_post.id,
 947       &PostUpdateForm::builder().removed(Some(true)).build(),
 948     )
 949     .await
 950     .unwrap();
 951
 952     // Make sure you don't see the removed post in the results
 953     let post_listings_no_admin = PostQuery {
 954       sort: Some(SortType::New),
 955       local_user: Some(&data.local_user_view),
 956       ..Default::default()
 957     }
 958     .list(pool)
 959     .await
 960     .unwrap();
 961     assert_eq!(1, post_listings_no_admin.len());
 962
 963     // Removed post is shown to admins on profile page
 964     data.local_user_view.person.admin = true;
 965     let post_listings_is_admin = PostQuery {
 966       sort: Some(SortType::New),
 967       local_user: Some(&data.local_user_view),
 968       is_profile_view: Some(true),
 969       ..Default::default()
 970     }
 971     .list(pool)
 972     .await
 973     .unwrap();
 974     assert_eq!(2, post_listings_is_admin.len());
 975
 976     cleanup(data, pool).await;
 977   }
 978
 979   #[tokio::test]
 980   #[serial]
 981   async fn post_listings_deleted() {
 982     let pool = &build_db_pool_for_tests().await;
 983     let pool = &mut pool.into();
 984     let data = init_data(pool).await;
 985
 986     // Delete the post
 987     Post::update(
 988       pool,
 989       data.inserted_post.id,
 990       &PostUpdateForm::builder().deleted(Some(true)).build(),
 991     )
 992     .await
 993     .unwrap();
 994
 995     // Make sure you don't see the deleted post in the results
 996     let post_listings_no_creator = PostQuery {
 997       sort: Some(SortType::New),
 998       ..Default::default()
 999     }
1000     .list(pool)
1001     .await
1002     .unwrap();
1003     let not_contains_deleted = post_listings_no_creator
1004       .iter()
1005       .map(|p| p.post.id)
1006       .all(|p| p != data.inserted_post.id);
1007     assert!(not_contains_deleted);
1008
1009     // Deleted post is shown to creator
1010     let post_listings_is_creator = PostQuery {
1011       sort: Some(SortType::New),
1012       local_user: Some(&data.local_user_view),
1013       ..Default::default()
1014     }
1015     .list(pool)
1016     .await
1017     .unwrap();
1018     let contains_deleted = post_listings_is_creator
1019       .iter()
1020       .map(|p| p.post.id)
1021       .any(|p| p == data.inserted_post.id);
1022     assert!(contains_deleted);
1023
1024     cleanup(data, pool).await;
1025   }
1026
1027   async fn cleanup(data: Data, pool: &mut DbPool<'_>) {
1028     let num_deleted = Post::delete(pool, data.inserted_post.id).await.unwrap();
1029     Community::delete(pool, data.inserted_community.id)
1030       .await
1031       .unwrap();
1032     Person::delete(pool, data.local_user_view.person.id)
1033       .await
1034       .unwrap();
1035     Person::delete(pool, data.inserted_bot.id).await.unwrap();
1036     Person::delete(pool, data.inserted_blocked_person.id)
1037       .await
1038       .unwrap();
1039     Instance::delete(pool, data.inserted_instance.id)
1040       .await
1041       .unwrap();
1042     assert_eq!(1, num_deleted);
1043   }
1044
1045   async fn expected_post_view(data: &Data, pool: &mut DbPool<'_>) -> PostView {
1046     let (inserted_person, inserted_community, inserted_post) = (
1047       &data.local_user_view.person,
1048       &data.inserted_community,
1049       &data.inserted_post,
1050     );
1051     let agg = PostAggregates::read(pool, inserted_post.id).await.unwrap();
1052
1053     PostView {
1054       post: Post {
1055         id: inserted_post.id,
1056         name: inserted_post.name.clone(),
1057         creator_id: inserted_person.id,
1058         url: None,
1059         body: None,
1060         published: inserted_post.published,
1061         updated: None,
1062         community_id: inserted_community.id,
1063         removed: false,
1064         deleted: false,
1065         locked: false,
1066         nsfw: false,
1067         embed_title: None,
1068         embed_description: None,
1069         embed_video_url: None,
1070         thumbnail_url: None,
1071         ap_id: inserted_post.ap_id.clone(),
1072         local: true,
1073         language_id: LanguageId(47),
1074         featured_community: false,
1075         featured_local: false,
1076       },
1077       my_vote: None,
1078       unread_comments: 0,
1079       creator: Person {
1080         id: inserted_person.id,
1081         name: inserted_person.name.clone(),
1082         display_name: None,
1083         published: inserted_person.published,
1084         avatar: None,
1085         actor_id: inserted_person.actor_id.clone(),
1086         local: true,
1087         admin: false,
1088         bot_account: false,
1089         banned: false,
1090         deleted: false,
1091         bio: None,
1092         banner: None,
1093         updated: None,
1094         inbox_url: inserted_person.inbox_url.clone(),
1095         shared_inbox_url: None,
1096         matrix_user_id: None,
1097         ban_expires: None,
1098         instance_id: data.inserted_instance.id,
1099         private_key: inserted_person.private_key.clone(),
1100         public_key: inserted_person.public_key.clone(),
1101         last_refreshed_at: inserted_person.last_refreshed_at,
1102       },
1103       creator_banned_from_community: false,
1104       community: Community {
1105         id: inserted_community.id,
1106         name: inserted_community.name.clone(),
1107         icon: None,
1108         removed: false,
1109         deleted: false,
1110         nsfw: false,
1111         actor_id: inserted_community.actor_id.clone(),
1112         local: true,
1113         title: "nada".to_owned(),
1114         description: None,
1115         updated: None,
1116         banner: None,
1117         hidden: false,
1118         posting_restricted_to_mods: false,
1119         published: inserted_community.published,
1120         instance_id: data.inserted_instance.id,
1121         private_key: inserted_community.private_key.clone(),
1122         public_key: inserted_community.public_key.clone(),
1123         last_refreshed_at: inserted_community.last_refreshed_at,
1124         followers_url: inserted_community.followers_url.clone(),
1125         inbox_url: inserted_community.inbox_url.clone(),
1126         shared_inbox_url: inserted_community.shared_inbox_url.clone(),
1127         moderators_url: inserted_community.moderators_url.clone(),
1128         featured_url: inserted_community.featured_url.clone(),
1129       },
1130       counts: PostAggregates {
1131         id: agg.id,
1132         post_id: inserted_post.id,
1133         comments: 0,
1134         score: 0,
1135         upvotes: 0,
1136         downvotes: 0,
1137         published: agg.published,
1138         newest_comment_time_necro: inserted_post.published,
1139         newest_comment_time: inserted_post.published,
1140         featured_community: false,
1141         featured_local: false,
1142         hot_rank: 1728,
1143         hot_rank_active: 1728,
1144       },
1145       subscribed: SubscribedType::NotSubscribed,
1146       read: false,
1147       saved: false,
1148       creator_blocked: false,
1149     }
1150   }
1151 }