crates/db_views/src/post_report_view.rs

   1 use diesel::{result::Error, *};
   2 use lemmy_db_queries::{
   3   aggregates::post_aggregates::PostAggregates,
   4   limit_and_offset,
   5   MaybeOptional,
   6   ToSafe,
   7   ViewToVec,
   8 };
   9 use lemmy_db_schema::{
  10   schema::{
  11     community,
  12     community_moderator,
  13     community_person_ban,
  14     person,
  15     person_alias_1,
  16     person_alias_2,
  17     post,
  18     post_aggregates,
  19     post_like,
  20     post_report,
  21   },
  22   source::{
  23     community::{Community, CommunityPersonBan, CommunitySafe},
  24     person::{Person, PersonAlias1, PersonAlias2, PersonSafe, PersonSafeAlias1, PersonSafeAlias2},
  25     post::Post,
  26     post_report::PostReport,
  27   },
  28   CommunityId,
  29   PersonId,
  30   PostReportId,
  31 };
  32 use serde::Serialize;
  33
  34 #[derive(Debug, PartialEq, Serialize, Clone)]
  35 pub struct PostReportView {
  36   pub post_report: PostReport,
  37   pub post: Post,
  38   pub community: CommunitySafe,
  39   pub creator: PersonSafe,
  40   pub post_creator: PersonSafeAlias1,
  41   pub creator_banned_from_community: bool,
  42   pub my_vote: Option<i16>,
  43   pub counts: PostAggregates,
  44   pub resolver: Option<PersonSafeAlias2>,
  45 }
  46
  47 type PostReportViewTuple = (
  48   PostReport,
  49   Post,
  50   CommunitySafe,
  51   PersonSafe,
  52   PersonSafeAlias1,
  53   Option<CommunityPersonBan>,
  54   Option<i16>,
  55   PostAggregates,
  56   Option<PersonSafeAlias2>,
  57 );
  58
  59 impl PostReportView {
  60   /// returns the PostReportView for the provided report_id
  61   ///
  62   /// * `report_id` - the report id to obtain
  63   pub fn read(
  64     conn: &PgConnection,
  65     report_id: PostReportId,
  66     my_person_id: PersonId,
  67   ) -> Result<Self, Error> {
  68     let (
  69       post_report,
  70       post,
  71       community,
  72       creator,
  73       post_creator,
  74       creator_banned_from_community,
  75       post_like,
  76       counts,
  77       resolver,
  78     ) = post_report::table
  79       .find(report_id)
  80       .inner_join(post::table)
  81       .inner_join(community::table.on(post::community_id.eq(community::id)))
  82       .inner_join(person::table.on(post_report::creator_id.eq(person::id)))
  83       .inner_join(person_alias_1::table.on(post::creator_id.eq(person_alias_1::id)))
  84       .left_join(
  85         community_person_ban::table.on(
  86           post::community_id
  87             .eq(community_person_ban::community_id)
  88             .and(community_person_ban::person_id.eq(post::creator_id)),
  89         ),
  90       )
  91       .left_join(
  92         post_like::table.on(
  93           post::id
  94             .eq(post_like::post_id)
  95             .and(post_like::person_id.eq(my_person_id)),
  96         ),
  97       )
  98       .inner_join(post_aggregates::table.on(post_report::post_id.eq(post_aggregates::post_id)))
  99       .left_join(
 100         person_alias_2::table.on(post_report::resolver_id.eq(person_alias_2::id.nullable())),
 101       )
 102       .select((
 103         post_report::all_columns,
 104         post::all_columns,
 105         Community::safe_columns_tuple(),
 106         Person::safe_columns_tuple(),
 107         PersonAlias1::safe_columns_tuple(),
 108         community_person_ban::all_columns.nullable(),
 109         post_like::score.nullable(),
 110         post_aggregates::all_columns,
 111         PersonAlias2::safe_columns_tuple().nullable(),
 112       ))
 113       .first::<PostReportViewTuple>(conn)?;
 114
 115     let my_vote = if post_like.is_none() { None } else { post_like };
 116
 117     Ok(Self {
 118       post_report,
 119       post,
 120       community,
 121       creator,
 122       post_creator,
 123       creator_banned_from_community: creator_banned_from_community.is_some(),
 124       my_vote,
 125       counts,
 126       resolver,
 127     })
 128   }
 129
 130   /// returns the current unresolved post report count for the supplied community ids
 131   ///
 132   /// * `community_ids` - a Vec<i32> of community_ids to get a count for
 133   /// TODO this eq_any is a bad way to do this, would be better to join to communitymoderator
 134   /// for a person id
 135   pub fn get_report_count(
 136     conn: &PgConnection,
 137     my_person_id: PersonId,
 138     community_id: Option<CommunityId>,
 139   ) -> Result<i64, Error> {
 140     use diesel::dsl::*;
 141     let mut query = post_report::table
 142       .inner_join(post::table)
 143       // Test this join
 144       .inner_join(
 145         community_moderator::table.on(
 146           community_moderator::community_id
 147             .eq(post::community_id)
 148             .and(community_moderator::person_id.eq(my_person_id)),
 149         ),
 150       )
 151       .filter(post_report::resolved.eq(false))
 152       .into_boxed();
 153
 154     if let Some(community_id) = community_id {
 155       query = query.filter(post::community_id.eq(community_id))
 156     }
 157
 158     query.select(count(post_report::id)).first::<i64>(conn)
 159   }
 160 }
 161
 162 pub struct PostReportQueryBuilder<'a> {
 163   conn: &'a PgConnection,
 164   my_person_id: PersonId,
 165   community_id: Option<CommunityId>,
 166   page: Option<i64>,
 167   limit: Option<i64>,
 168   unresolved_only: Option<bool>,
 169 }
 170
 171 impl<'a> PostReportQueryBuilder<'a> {
 172   pub fn create(conn: &'a PgConnection, my_person_id: PersonId) -> Self {
 173     PostReportQueryBuilder {
 174       conn,
 175       my_person_id,
 176       community_id: None,
 177       page: None,
 178       limit: None,
 179       unresolved_only: Some(true),
 180     }
 181   }
 182
 183   pub fn community_id<T: MaybeOptional<CommunityId>>(mut self, community_id: T) -> Self {
 184     self.community_id = community_id.get_optional();
 185     self
 186   }
 187
 188   pub fn page<T: MaybeOptional<i64>>(mut self, page: T) -> Self {
 189     self.page = page.get_optional();
 190     self
 191   }
 192
 193   pub fn limit<T: MaybeOptional<i64>>(mut self, limit: T) -> Self {
 194     self.limit = limit.get_optional();
 195     self
 196   }
 197
 198   pub fn unresolved_only<T: MaybeOptional<bool>>(mut self, unresolved_only: T) -> Self {
 199     self.unresolved_only = unresolved_only.get_optional();
 200     self
 201   }
 202
 203   pub fn list(self) -> Result<Vec<PostReportView>, Error> {
 204     let mut query = post_report::table
 205       .inner_join(post::table)
 206       .inner_join(community::table.on(post::community_id.eq(community::id)))
 207       .inner_join(person::table.on(post_report::creator_id.eq(person::id)))
 208       .inner_join(person_alias_1::table.on(post::creator_id.eq(person_alias_1::id)))
 209       // Test this join
 210       .inner_join(
 211         community_moderator::table.on(
 212           community_moderator::community_id
 213             .eq(post::community_id)
 214             .and(community_moderator::person_id.eq(self.my_person_id)),
 215         ),
 216       )
 217       .left_join(
 218         community_person_ban::table.on(
 219           post::community_id
 220             .eq(community_person_ban::community_id)
 221             .and(community_person_ban::person_id.eq(post::creator_id)),
 222         ),
 223       )
 224       .left_join(
 225         post_like::table.on(
 226           post::id
 227             .eq(post_like::post_id)
 228             .and(post_like::person_id.eq(self.my_person_id)),
 229         ),
 230       )
 231       .inner_join(post_aggregates::table.on(post_report::post_id.eq(post_aggregates::post_id)))
 232       .left_join(
 233         person_alias_2::table.on(post_report::resolver_id.eq(person_alias_2::id.nullable())),
 234       )
 235       .select((
 236         post_report::all_columns,
 237         post::all_columns,
 238         Community::safe_columns_tuple(),
 239         Person::safe_columns_tuple(),
 240         PersonAlias1::safe_columns_tuple(),
 241         community_person_ban::all_columns.nullable(),
 242         post_like::score.nullable(),
 243         post_aggregates::all_columns,
 244         PersonAlias2::safe_columns_tuple().nullable(),
 245       ))
 246       .into_boxed();
 247
 248     if let Some(community_id) = self.community_id {
 249       query = query.filter(post::community_id.eq(community_id));
 250     }
 251
 252     if self.unresolved_only.unwrap_or(false) {
 253       query = query.filter(post_report::resolved.eq(false));
 254     }
 255
 256     let (limit, offset) = limit_and_offset(self.page, self.limit);
 257
 258     let res = query
 259       .order_by(post_report::published.asc())
 260       .limit(limit)
 261       .offset(offset)
 262       .load::<PostReportViewTuple>(self.conn)?;
 263
 264     Ok(PostReportView::from_tuple_to_vec(res))
 265   }
 266 }
 267
 268 impl ViewToVec for PostReportView {
 269   type DbTuple = PostReportViewTuple;
 270   fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
 271     items
 272       .iter()
 273       .map(|a| Self {
 274         post_report: a.0.to_owned(),
 275         post: a.1.to_owned(),
 276         community: a.2.to_owned(),
 277         creator: a.3.to_owned(),
 278         post_creator: a.4.to_owned(),
 279         creator_banned_from_community: a.5.is_some(),
 280         my_vote: a.6,
 281         counts: a.7.to_owned(),
 282         resolver: a.8.to_owned(),
 283       })
 284       .collect::<Vec<Self>>()
 285   }
 286 }
 287
 288 #[cfg(test)]
 289 mod tests {
 290   use crate::post_report_view::{PostReportQueryBuilder, PostReportView};
 291   use lemmy_db_queries::{
 292     aggregates::post_aggregates::PostAggregates,
 293     establish_unpooled_connection,
 294     Crud,
 295     Joinable,
 296     Reportable,
 297   };
 298   use lemmy_db_schema::source::{
 299     community::*,
 300     person::*,
 301     post::*,
 302     post_report::{PostReport, PostReportForm},
 303   };
 304   use serial_test::serial;
 305
 306   #[test]
 307   #[serial]
 308   fn test_crud() {
 309     let conn = establish_unpooled_connection();
 310
 311     let new_person = PersonForm {
 312       name: "timmy_prv".into(),
 313       ..PersonForm::default()
 314     };
 315
 316     let inserted_timmy = Person::create(&conn, &new_person).unwrap();
 317
 318     let new_person_2 = PersonForm {
 319       name: "sara_prv".into(),
 320       ..PersonForm::default()
 321     };
 322
 323     let inserted_sara = Person::create(&conn, &new_person_2).unwrap();
 324
 325     // Add a third person, since new ppl can only report something once.
 326     let new_person_3 = PersonForm {
 327       name: "jessica_prv".into(),
 328       ..PersonForm::default()
 329     };
 330
 331     let inserted_jessica = Person::create(&conn, &new_person_3).unwrap();
 332
 333     let new_community = CommunityForm {
 334       name: "test community prv".to_string(),
 335       title: "nada".to_owned(),
 336       ..CommunityForm::default()
 337     };
 338
 339     let inserted_community = Community::create(&conn, &new_community).unwrap();
 340
 341     // Make timmy a mod
 342     let timmy_moderator_form = CommunityModeratorForm {
 343       community_id: inserted_community.id,
 344       person_id: inserted_timmy.id,
 345     };
 346
 347     let _inserted_moderator = CommunityModerator::join(&conn, &timmy_moderator_form).unwrap();
 348
 349     let new_post = PostForm {
 350       name: "A test post crv".into(),
 351       creator_id: inserted_timmy.id,
 352       community_id: inserted_community.id,
 353       ..PostForm::default()
 354     };
 355
 356     let inserted_post = Post::create(&conn, &new_post).unwrap();
 357
 358     // sara reports
 359     let sara_report_form = PostReportForm {
 360       creator_id: inserted_sara.id,
 361       post_id: inserted_post.id,
 362       original_post_name: "Orig post".into(),
 363       original_post_url: None,
 364       original_post_body: None,
 365       reason: "from sara".into(),
 366     };
 367
 368     let inserted_sara_report = PostReport::report(&conn, &sara_report_form).unwrap();
 369
 370     // jessica reports
 371     let jessica_report_form = PostReportForm {
 372       creator_id: inserted_jessica.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 jessica".into(),
 378     };
 379
 380     let inserted_jessica_report = PostReport::report(&conn, &jessica_report_form).unwrap();
 381
 382     let agg = PostAggregates::read(&conn, inserted_post.id).unwrap();
 383
 384     let read_jessica_report_view =
 385       PostReportView::read(&conn, inserted_jessica_report.id, inserted_timmy.id).unwrap();
 386     let expected_jessica_report_view = PostReportView {
 387       post_report: inserted_jessica_report.to_owned(),
 388       post: inserted_post.to_owned(),
 389       community: CommunitySafe {
 390         id: inserted_community.id,
 391         name: inserted_community.name,
 392         icon: None,
 393         removed: false,
 394         deleted: false,
 395         nsfw: false,
 396         actor_id: inserted_community.actor_id.to_owned(),
 397         local: true,
 398         title: inserted_community.title,
 399         description: None,
 400         updated: None,
 401         banner: None,
 402         published: inserted_community.published,
 403       },
 404       creator: PersonSafe {
 405         id: inserted_jessica.id,
 406         name: inserted_jessica.name,
 407         display_name: None,
 408         published: inserted_jessica.published,
 409         avatar: None,
 410         actor_id: inserted_jessica.actor_id.to_owned(),
 411         local: true,
 412         banned: false,
 413         deleted: false,
 414         admin: false,
 415         bot_account: false,
 416         bio: None,
 417         banner: None,
 418         updated: None,
 419         inbox_url: inserted_jessica.inbox_url.to_owned(),
 420         shared_inbox_url: None,
 421         matrix_user_id: None,
 422       },
 423       post_creator: PersonSafeAlias1 {
 424         id: inserted_timmy.id,
 425         name: inserted_timmy.name.to_owned(),
 426         display_name: None,
 427         published: inserted_timmy.published,
 428         avatar: None,
 429         actor_id: inserted_timmy.actor_id.to_owned(),
 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_timmy.inbox_url.to_owned(),
 439         shared_inbox_url: None,
 440         matrix_user_id: None,
 441       },
 442       creator_banned_from_community: false,
 443       my_vote: None,
 444       counts: PostAggregates {
 445         id: agg.id,
 446         post_id: inserted_post.id,
 447         comments: 0,
 448         score: 0,
 449         upvotes: 0,
 450         downvotes: 0,
 451         stickied: false,
 452         published: agg.published,
 453         newest_comment_time_necro: inserted_post.published,
 454         newest_comment_time: inserted_post.published,
 455       },
 456       resolver: None,
 457     };
 458
 459     assert_eq!(read_jessica_report_view, expected_jessica_report_view);
 460
 461     let mut expected_sara_report_view = expected_jessica_report_view.clone();
 462     expected_sara_report_view.post_report = inserted_sara_report;
 463     expected_sara_report_view.my_vote = None;
 464     expected_sara_report_view.creator = PersonSafe {
 465       id: inserted_sara.id,
 466       name: inserted_sara.name,
 467       display_name: None,
 468       published: inserted_sara.published,
 469       avatar: None,
 470       actor_id: inserted_sara.actor_id.to_owned(),
 471       local: true,
 472       banned: false,
 473       deleted: false,
 474       admin: false,
 475       bot_account: false,
 476       bio: None,
 477       banner: None,
 478       updated: None,
 479       inbox_url: inserted_sara.inbox_url.to_owned(),
 480       shared_inbox_url: None,
 481       matrix_user_id: None,
 482     };
 483
 484     // Do a batch read of timmys reports
 485     let reports = PostReportQueryBuilder::create(&conn, inserted_timmy.id)
 486       .list()
 487       .unwrap();
 488
 489     assert_eq!(
 490       reports,
 491       [
 492         expected_sara_report_view.to_owned(),
 493         expected_jessica_report_view.to_owned()
 494       ]
 495     );
 496
 497     // Make sure the counts are correct
 498     let report_count = PostReportView::get_report_count(&conn, inserted_timmy.id, None).unwrap();
 499     assert_eq!(2, report_count);
 500
 501     // Try to resolve the report
 502     PostReport::resolve(&conn, inserted_jessica_report.id, inserted_timmy.id).unwrap();
 503     let read_jessica_report_view_after_resolve =
 504       PostReportView::read(&conn, inserted_jessica_report.id, inserted_timmy.id).unwrap();
 505
 506     let mut expected_jessica_report_view_after_resolve = expected_jessica_report_view;
 507     expected_jessica_report_view_after_resolve
 508       .post_report
 509       .resolved = true;
 510     expected_jessica_report_view_after_resolve
 511       .post_report
 512       .resolver_id = Some(inserted_timmy.id);
 513     expected_jessica_report_view_after_resolve
 514       .post_report
 515       .updated = read_jessica_report_view_after_resolve.post_report.updated;
 516     expected_jessica_report_view_after_resolve.resolver = Some(PersonSafeAlias2 {
 517       id: inserted_timmy.id,
 518       name: inserted_timmy.name.to_owned(),
 519       display_name: None,
 520       published: inserted_timmy.published,
 521       avatar: None,
 522       actor_id: inserted_timmy.actor_id.to_owned(),
 523       local: true,
 524       banned: false,
 525       deleted: false,
 526       admin: false,
 527       bot_account: false,
 528       bio: None,
 529       banner: None,
 530       updated: None,
 531       inbox_url: inserted_timmy.inbox_url.to_owned(),
 532       shared_inbox_url: None,
 533       matrix_user_id: None,
 534     });
 535
 536     assert_eq!(
 537       read_jessica_report_view_after_resolve,
 538       expected_jessica_report_view_after_resolve
 539     );
 540
 541     // Do a batch read of timmys reports
 542     // It should only show saras, which is unresolved
 543     let reports_after_resolve = PostReportQueryBuilder::create(&conn, inserted_timmy.id)
 544       .list()
 545       .unwrap();
 546     assert_eq!(reports_after_resolve[0], expected_sara_report_view);
 547
 548     // Make sure the counts are correct
 549     let report_count_after_resolved =
 550       PostReportView::get_report_count(&conn, inserted_timmy.id, None).unwrap();
 551     assert_eq!(1, report_count_after_resolved);
 552
 553     Person::delete(&conn, inserted_timmy.id).unwrap();
 554     Person::delete(&conn, inserted_sara.id).unwrap();
 555     Person::delete(&conn, inserted_jessica.id).unwrap();
 556     Community::delete(&conn, inserted_community.id).unwrap();
 557   }
 558 }