crates/db_views/src/post_report_view.rs

   1 use crate::structs::PostReportView;
   2 use diesel::{
   3   dsl::now,
   4   result::Error,
   5   BoolExpressionMethods,
   6   ExpressionMethods,
   7   JoinOnDsl,
   8   NullableExpressionMethods,
   9   QueryDsl,
  10 };
  11 use diesel_async::RunQueryDsl;
  12 use lemmy_db_schema::{
  13   aggregates::structs::PostAggregates,
  14   newtypes::{CommunityId, PersonId, PostReportId},
  15   schema::{
  16     community,
  17     community_moderator,
  18     community_person_ban,
  19     person,
  20     post,
  21     post_aggregates,
  22     post_like,
  23     post_report,
  24   },
  25   source::{
  26     community::{Community, CommunityPersonBan, CommunitySafe},
  27     person::{Person, PersonSafe},
  28     post::Post,
  29     post_report::PostReport,
  30   },
  31   traits::{ToSafe, ViewToVec},
  32   utils::{get_conn, limit_and_offset, DbPool},
  33 };
  34 use typed_builder::TypedBuilder;
  35
  36 type PostReportViewTuple = (
  37   PostReport,
  38   Post,
  39   CommunitySafe,
  40   PersonSafe,
  41   PersonSafe,
  42   Option<CommunityPersonBan>,
  43   Option<i16>,
  44   PostAggregates,
  45   Option<PersonSafe>,
  46 );
  47
  48 impl PostReportView {
  49   /// returns the PostReportView for the provided report_id
  50   ///
  51   /// * `report_id` - the report id to obtain
  52   pub async fn read(
  53     pool: &DbPool,
  54     report_id: PostReportId,
  55     my_person_id: PersonId,
  56   ) -> Result<Self, Error> {
  57     let conn = &mut get_conn(pool).await?;
  58     let (person_alias_1, person_alias_2) = diesel::alias!(person as person1, person as person2);
  59
  60     let (
  61       post_report,
  62       post,
  63       community,
  64       creator,
  65       post_creator,
  66       creator_banned_from_community,
  67       post_like,
  68       counts,
  69       resolver,
  70     ) = post_report::table
  71       .find(report_id)
  72       .inner_join(post::table)
  73       .inner_join(community::table.on(post::community_id.eq(community::id)))
  74       .inner_join(person::table.on(post_report::creator_id.eq(person::id)))
  75       .inner_join(person_alias_1.on(post::creator_id.eq(person_alias_1.field(person::id))))
  76       .left_join(
  77         community_person_ban::table.on(
  78           post::community_id
  79             .eq(community_person_ban::community_id)
  80             .and(community_person_ban::person_id.eq(post::creator_id))
  81             .and(
  82               community_person_ban::expires
  83                 .is_null()
  84                 .or(community_person_ban::expires.gt(now)),
  85             ),
  86         ),
  87       )
  88       .left_join(
  89         post_like::table.on(
  90           post::id
  91             .eq(post_like::post_id)
  92             .and(post_like::person_id.eq(my_person_id)),
  93         ),
  94       )
  95       .inner_join(post_aggregates::table.on(post_report::post_id.eq(post_aggregates::post_id)))
  96       .left_join(
  97         person_alias_2.on(post_report::resolver_id.eq(person_alias_2.field(person::id).nullable())),
  98       )
  99       .select((
 100         post_report::all_columns,
 101         post::all_columns,
 102         Community::safe_columns_tuple(),
 103         Person::safe_columns_tuple(),
 104         person_alias_1.fields(Person::safe_columns_tuple()),
 105         community_person_ban::all_columns.nullable(),
 106         post_like::score.nullable(),
 107         post_aggregates::all_columns,
 108         person_alias_2.fields(Person::safe_columns_tuple().nullable()),
 109       ))
 110       .first::<PostReportViewTuple>(conn)
 111       .await?;
 112
 113     let my_vote = post_like;
 114
 115     Ok(Self {
 116       post_report,
 117       post,
 118       community,
 119       creator,
 120       post_creator,
 121       creator_banned_from_community: creator_banned_from_community.is_some(),
 122       my_vote,
 123       counts,
 124       resolver,
 125     })
 126   }
 127
 128   /// returns the current unresolved post report count for the communities you mod
 129   pub async fn get_report_count(
 130     pool: &DbPool,
 131     my_person_id: PersonId,
 132     admin: bool,
 133     community_id: Option<CommunityId>,
 134   ) -> Result<i64, Error> {
 135     use diesel::dsl::count;
 136     let conn = &mut get_conn(pool).await?;
 137     let mut query = post_report::table
 138       .inner_join(post::table)
 139       .filter(post_report::resolved.eq(false))
 140       .into_boxed();
 141
 142     if let Some(community_id) = community_id {
 143       query = query.filter(post::community_id.eq(community_id))
 144     }
 145
 146     // If its not an admin, get only the ones you mod
 147     if !admin {
 148       query
 149         .inner_join(
 150           community_moderator::table.on(
 151             community_moderator::community_id
 152               .eq(post::community_id)
 153               .and(community_moderator::person_id.eq(my_person_id)),
 154           ),
 155         )
 156         .select(count(post_report::id))
 157         .first::<i64>(conn)
 158         .await
 159     } else {
 160       query
 161         .select(count(post_report::id))
 162         .first::<i64>(conn)
 163         .await
 164     }
 165   }
 166 }
 167
 168 #[derive(TypedBuilder)]
 169 #[builder(field_defaults(default))]
 170 pub struct PostReportQuery<'a> {
 171   #[builder(!default)]
 172   pool: &'a DbPool,
 173   #[builder(!default)]
 174   my_person_id: PersonId,
 175   #[builder(!default)]
 176   admin: bool,
 177   community_id: Option<CommunityId>,
 178   page: Option<i64>,
 179   limit: Option<i64>,
 180   unresolved_only: Option<bool>,
 181 }
 182
 183 impl<'a> PostReportQuery<'a> {
 184   pub async fn list(self) -> Result<Vec<PostReportView>, Error> {
 185     let conn = &mut get_conn(self.pool).await?;
 186     let (person_alias_1, person_alias_2) = diesel::alias!(person as person1, person as person2);
 187
 188     let mut query = post_report::table
 189       .inner_join(post::table)
 190       .inner_join(community::table.on(post::community_id.eq(community::id)))
 191       .inner_join(person::table.on(post_report::creator_id.eq(person::id)))
 192       .inner_join(person_alias_1.on(post::creator_id.eq(person_alias_1.field(person::id))))
 193       .left_join(
 194         community_person_ban::table.on(
 195           post::community_id
 196             .eq(community_person_ban::community_id)
 197             .and(community_person_ban::person_id.eq(post::creator_id))
 198             .and(
 199               community_person_ban::expires
 200                 .is_null()
 201                 .or(community_person_ban::expires.gt(now)),
 202             ),
 203         ),
 204       )
 205       .left_join(
 206         post_like::table.on(
 207           post::id
 208             .eq(post_like::post_id)
 209             .and(post_like::person_id.eq(self.my_person_id)),
 210         ),
 211       )
 212       .inner_join(post_aggregates::table.on(post_report::post_id.eq(post_aggregates::post_id)))
 213       .left_join(
 214         person_alias_2.on(post_report::resolver_id.eq(person_alias_2.field(person::id).nullable())),
 215       )
 216       .select((
 217         post_report::all_columns,
 218         post::all_columns,
 219         Community::safe_columns_tuple(),
 220         Person::safe_columns_tuple(),
 221         person_alias_1.fields(Person::safe_columns_tuple()),
 222         community_person_ban::all_columns.nullable(),
 223         post_like::score.nullable(),
 224         post_aggregates::all_columns,
 225         person_alias_2
 226           .fields(Person::safe_columns_tuple())
 227           .nullable(),
 228       ))
 229       .into_boxed();
 230
 231     if let Some(community_id) = self.community_id {
 232       query = query.filter(post::community_id.eq(community_id));
 233     }
 234
 235     if self.unresolved_only.unwrap_or(true) {
 236       query = query.filter(post_report::resolved.eq(false));
 237     }
 238
 239     let (limit, offset) = limit_and_offset(self.page, self.limit)?;
 240
 241     query = query
 242       .order_by(post_report::published.desc())
 243       .limit(limit)
 244       .offset(offset);
 245
 246     // If its not an admin, get only the ones you mod
 247     let res = if !self.admin {
 248       query
 249         .inner_join(
 250           community_moderator::table.on(
 251             community_moderator::community_id
 252               .eq(post::community_id)
 253               .and(community_moderator::person_id.eq(self.my_person_id)),
 254           ),
 255         )
 256         .load::<PostReportViewTuple>(conn)
 257         .await?
 258     } else {
 259       query.load::<PostReportViewTuple>(conn).await?
 260     };
 261
 262     Ok(PostReportView::from_tuple_to_vec(res))
 263   }
 264 }
 265
 266 impl ViewToVec for PostReportView {
 267   type DbTuple = PostReportViewTuple;
 268   fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
 269     items
 270       .into_iter()
 271       .map(|a| Self {
 272         post_report: a.0,
 273         post: a.1,
 274         community: a.2,
 275         creator: a.3,
 276         post_creator: a.4,
 277         creator_banned_from_community: a.5.is_some(),
 278         my_vote: a.6,
 279         counts: a.7,
 280         resolver: a.8,
 281       })
 282       .collect::<Vec<Self>>()
 283   }
 284 }
 285
 286 #[cfg(test)]
 287 mod tests {
 288   use crate::post_report_view::{PostReportQuery, PostReportView};
 289   use lemmy_db_schema::{
 290     aggregates::structs::PostAggregates,
 291     source::{
 292       community::{
 293         Community,
 294         CommunityInsertForm,
 295         CommunityModerator,
 296         CommunityModeratorForm,
 297         CommunitySafe,
 298       },
 299       instance::Instance,
 300       person::{Person, PersonInsertForm, PersonSafe},
 301       post::{Post, PostInsertForm},
 302       post_report::{PostReport, PostReportForm},
 303     },
 304     traits::{Crud, Joinable, Reportable},
 305     utils::build_db_pool_for_tests,
 306   };
 307   use serial_test::serial;
 308
 309   #[tokio::test]
 310   #[serial]
 311   async fn test_crud() {
 312     let pool = &build_db_pool_for_tests().await;
 313
 314     let inserted_instance = Instance::read_or_create(pool, "my_domain.tld".to_string())
 315       .await
 316       .unwrap();
 317
 318     let new_person = PersonInsertForm::builder()
 319       .name("timmy_prv".into())
 320       .public_key("pubkey".to_string())
 321       .instance_id(inserted_instance.id)
 322       .build();
 323
 324     let inserted_timmy = Person::create(pool, &new_person).await.unwrap();
 325
 326     let new_person_2 = PersonInsertForm::builder()
 327       .name("sara_prv".into())
 328       .public_key("pubkey".to_string())
 329       .instance_id(inserted_instance.id)
 330       .build();
 331
 332     let inserted_sara = Person::create(pool, &new_person_2).await.unwrap();
 333
 334     // Add a third person, since new ppl can only report something once.
 335     let new_person_3 = PersonInsertForm::builder()
 336       .name("jessica_prv".into())
 337       .public_key("pubkey".to_string())
 338       .instance_id(inserted_instance.id)
 339       .build();
 340
 341     let inserted_jessica = Person::create(pool, &new_person_3).await.unwrap();
 342
 343     let new_community = CommunityInsertForm::builder()
 344       .name("test community prv".to_string())
 345       .title("nada".to_owned())
 346       .public_key("pubkey".to_string())
 347       .instance_id(inserted_instance.id)
 348       .build();
 349
 350     let inserted_community = Community::create(pool, &new_community).await.unwrap();
 351
 352     // Make timmy a mod
 353     let timmy_moderator_form = CommunityModeratorForm {
 354       community_id: inserted_community.id,
 355       person_id: inserted_timmy.id,
 356     };
 357
 358     let _inserted_moderator = CommunityModerator::join(pool, &timmy_moderator_form)
 359       .await
 360       .unwrap();
 361
 362     let new_post = PostInsertForm::builder()
 363       .name("A test post crv".into())
 364       .creator_id(inserted_timmy.id)
 365       .community_id(inserted_community.id)
 366       .build();
 367
 368     let inserted_post = Post::create(pool, &new_post).await.unwrap();
 369
 370     // sara reports
 371     let sara_report_form = PostReportForm {
 372       creator_id: inserted_sara.id,
 373       post_id: inserted_post.id,
 374       original_post_name: "Orig post".into(),
 375       original_post_url: None,
 376       original_post_body: None,
 377       reason: "from sara".into(),
 378     };
 379
 380     let inserted_sara_report = PostReport::report(pool, &sara_report_form).await.unwrap();
 381
 382     // jessica reports
 383     let jessica_report_form = PostReportForm {
 384       creator_id: inserted_jessica.id,
 385       post_id: inserted_post.id,
 386       original_post_name: "Orig post".into(),
 387       original_post_url: None,
 388       original_post_body: None,
 389       reason: "from jessica".into(),
 390     };
 391
 392     let inserted_jessica_report = PostReport::report(pool, &jessica_report_form)
 393       .await
 394       .unwrap();
 395
 396     let agg = PostAggregates::read(pool, inserted_post.id).await.unwrap();
 397
 398     let read_jessica_report_view =
 399       PostReportView::read(pool, inserted_jessica_report.id, inserted_timmy.id)
 400         .await
 401         .unwrap();
 402     let expected_jessica_report_view = PostReportView {
 403       post_report: inserted_jessica_report.clone(),
 404       post: inserted_post.clone(),
 405       community: CommunitySafe {
 406         id: inserted_community.id,
 407         name: inserted_community.name,
 408         icon: None,
 409         removed: false,
 410         deleted: false,
 411         nsfw: false,
 412         actor_id: inserted_community.actor_id.clone(),
 413         local: true,
 414         title: inserted_community.title,
 415         description: None,
 416         updated: None,
 417         banner: None,
 418         hidden: false,
 419         posting_restricted_to_mods: false,
 420         published: inserted_community.published,
 421         instance_id: inserted_instance.id,
 422       },
 423       creator: PersonSafe {
 424         id: inserted_jessica.id,
 425         name: inserted_jessica.name,
 426         display_name: None,
 427         published: inserted_jessica.published,
 428         avatar: None,
 429         actor_id: inserted_jessica.actor_id.clone(),
 430         local: true,
 431         banned: false,
 432         deleted: false,
 433         admin: false,
 434         bot_account: false,
 435         bio: None,
 436         banner: None,
 437         updated: None,
 438         inbox_url: inserted_jessica.inbox_url.clone(),
 439         shared_inbox_url: None,
 440         matrix_user_id: None,
 441         ban_expires: None,
 442         instance_id: inserted_instance.id,
 443       },
 444       post_creator: PersonSafe {
 445         id: inserted_timmy.id,
 446         name: inserted_timmy.name.clone(),
 447         display_name: None,
 448         published: inserted_timmy.published,
 449         avatar: None,
 450         actor_id: inserted_timmy.actor_id.clone(),
 451         local: true,
 452         banned: false,
 453         deleted: false,
 454         admin: false,
 455         bot_account: false,
 456         bio: None,
 457         banner: None,
 458         updated: None,
 459         inbox_url: inserted_timmy.inbox_url.clone(),
 460         shared_inbox_url: None,
 461         matrix_user_id: None,
 462         ban_expires: None,
 463         instance_id: inserted_instance.id,
 464       },
 465       creator_banned_from_community: false,
 466       my_vote: None,
 467       counts: PostAggregates {
 468         id: agg.id,
 469         post_id: inserted_post.id,
 470         comments: 0,
 471         score: 0,
 472         upvotes: 0,
 473         downvotes: 0,
 474         published: agg.published,
 475         newest_comment_time_necro: inserted_post.published,
 476         newest_comment_time: inserted_post.published,
 477         featured_community: false,
 478         featured_local: false,
 479       },
 480       resolver: None,
 481     };
 482
 483     assert_eq!(read_jessica_report_view, expected_jessica_report_view);
 484
 485     let mut expected_sara_report_view = expected_jessica_report_view.clone();
 486     expected_sara_report_view.post_report = inserted_sara_report;
 487     expected_sara_report_view.my_vote = None;
 488     expected_sara_report_view.creator = PersonSafe {
 489       id: inserted_sara.id,
 490       name: inserted_sara.name,
 491       display_name: None,
 492       published: inserted_sara.published,
 493       avatar: None,
 494       actor_id: inserted_sara.actor_id.clone(),
 495       local: true,
 496       banned: false,
 497       deleted: false,
 498       admin: false,
 499       bot_account: false,
 500       bio: None,
 501       banner: None,
 502       updated: None,
 503       inbox_url: inserted_sara.inbox_url.clone(),
 504       shared_inbox_url: None,
 505       matrix_user_id: None,
 506       ban_expires: None,
 507       instance_id: inserted_instance.id,
 508     };
 509
 510     // Do a batch read of timmys reports
 511     let reports = PostReportQuery::builder()
 512       .pool(pool)
 513       .my_person_id(inserted_timmy.id)
 514       .admin(false)
 515       .build()
 516       .list()
 517       .await
 518       .unwrap();
 519
 520     assert_eq!(
 521       reports,
 522       [
 523         expected_jessica_report_view.clone(),
 524         expected_sara_report_view.clone()
 525       ]
 526     );
 527
 528     // Make sure the counts are correct
 529     let report_count = PostReportView::get_report_count(pool, inserted_timmy.id, false, None)
 530       .await
 531       .unwrap();
 532     assert_eq!(2, report_count);
 533
 534     // Try to resolve the report
 535     PostReport::resolve(pool, inserted_jessica_report.id, inserted_timmy.id)
 536       .await
 537       .unwrap();
 538     let read_jessica_report_view_after_resolve =
 539       PostReportView::read(pool, inserted_jessica_report.id, inserted_timmy.id)
 540         .await
 541         .unwrap();
 542
 543     let mut expected_jessica_report_view_after_resolve = expected_jessica_report_view;
 544     expected_jessica_report_view_after_resolve
 545       .post_report
 546       .resolved = true;
 547     expected_jessica_report_view_after_resolve
 548       .post_report
 549       .resolver_id = Some(inserted_timmy.id);
 550     expected_jessica_report_view_after_resolve
 551       .post_report
 552       .updated = read_jessica_report_view_after_resolve.post_report.updated;
 553     expected_jessica_report_view_after_resolve.resolver = Some(PersonSafe {
 554       id: inserted_timmy.id,
 555       name: inserted_timmy.name.clone(),
 556       display_name: None,
 557       published: inserted_timmy.published,
 558       avatar: None,
 559       actor_id: inserted_timmy.actor_id.clone(),
 560       local: true,
 561       banned: false,
 562       deleted: false,
 563       admin: false,
 564       bot_account: false,
 565       bio: None,
 566       banner: None,
 567       updated: None,
 568       inbox_url: inserted_timmy.inbox_url.clone(),
 569       shared_inbox_url: None,
 570       matrix_user_id: None,
 571       ban_expires: None,
 572       instance_id: inserted_instance.id,
 573     });
 574
 575     assert_eq!(
 576       read_jessica_report_view_after_resolve,
 577       expected_jessica_report_view_after_resolve
 578     );
 579
 580     // Do a batch read of timmys reports
 581     // It should only show saras, which is unresolved
 582     let reports_after_resolve = PostReportQuery::builder()
 583       .pool(pool)
 584       .my_person_id(inserted_timmy.id)
 585       .admin(false)
 586       .build()
 587       .list()
 588       .await
 589       .unwrap();
 590     assert_eq!(reports_after_resolve[0], expected_sara_report_view);
 591
 592     // Make sure the counts are correct
 593     let report_count_after_resolved =
 594       PostReportView::get_report_count(pool, inserted_timmy.id, false, None)
 595         .await
 596         .unwrap();
 597     assert_eq!(1, report_count_after_resolved);
 598
 599     Person::delete(pool, inserted_timmy.id).await.unwrap();
 600     Person::delete(pool, inserted_sara.id).await.unwrap();
 601     Person::delete(pool, inserted_jessica.id).await.unwrap();
 602     Community::delete(pool, inserted_community.id)
 603       .await
 604       .unwrap();
 605     Instance::delete(pool, inserted_instance.id).await.unwrap();
 606   }
 607 }