crates/db_views/src/post_report_view.rs

   1 use diesel::{dsl::*, result::Error, *};
   2 use lemmy_db_schema::{
   3   aggregates::post_aggregates::PostAggregates,
   4   limit_and_offset,
   5   newtypes::{CommunityId, PersonId, PostReportId},
   6   schema::{
   7     community,
   8     community_moderator,
   9     community_person_ban,
  10     person,
  11     person_alias_1,
  12     person_alias_2,
  13     post,
  14     post_aggregates,
  15     post_like,
  16     post_report,
  17   },
  18   source::{
  19     community::{Community, CommunityPersonBan, CommunitySafe},
  20     person::{Person, PersonAlias1, PersonAlias2, PersonSafe, PersonSafeAlias1, PersonSafeAlias2},
  21     post::Post,
  22     post_report::PostReport,
  23   },
  24   traits::{MaybeOptional, ToSafe, ViewToVec},
  25 };
  26 use serde::{Deserialize, Serialize};
  27
  28 #[derive(Debug, PartialEq, Serialize, Deserialize, Clone)]
  29 pub struct PostReportView {
  30   pub post_report: PostReport,
  31   pub post: Post,
  32   pub community: CommunitySafe,
  33   pub creator: PersonSafe,
  34   pub post_creator: PersonSafeAlias1,
  35   pub creator_banned_from_community: bool,
  36   pub my_vote: Option<i16>,
  37   pub counts: PostAggregates,
  38   pub resolver: Option<PersonSafeAlias2>,
  39 }
  40
  41 type PostReportViewTuple = (
  42   PostReport,
  43   Post,
  44   CommunitySafe,
  45   PersonSafe,
  46   PersonSafeAlias1,
  47   Option<CommunityPersonBan>,
  48   Option<i16>,
  49   PostAggregates,
  50   Option<PersonSafeAlias2>,
  51 );
  52
  53 impl PostReportView {
  54   /// returns the PostReportView for the provided report_id
  55   ///
  56   /// * `report_id` - the report id to obtain
  57   pub fn read(
  58     conn: &PgConnection,
  59     report_id: PostReportId,
  60     my_person_id: PersonId,
  61   ) -> Result<Self, Error> {
  62     let (
  63       post_report,
  64       post,
  65       community,
  66       creator,
  67       post_creator,
  68       creator_banned_from_community,
  69       post_like,
  70       counts,
  71       resolver,
  72     ) = post_report::table
  73       .find(report_id)
  74       .inner_join(post::table)
  75       .inner_join(community::table.on(post::community_id.eq(community::id)))
  76       .inner_join(person::table.on(post_report::creator_id.eq(person::id)))
  77       .inner_join(person_alias_1::table.on(post::creator_id.eq(person_alias_1::id)))
  78       .left_join(
  79         community_person_ban::table.on(
  80           post::community_id
  81             .eq(community_person_ban::community_id)
  82             .and(community_person_ban::person_id.eq(post::creator_id))
  83             .and(
  84               community_person_ban::expires
  85                 .is_null()
  86                 .or(community_person_ban::expires.gt(now)),
  87             ),
  88         ),
  89       )
  90       .left_join(
  91         post_like::table.on(
  92           post::id
  93             .eq(post_like::post_id)
  94             .and(post_like::person_id.eq(my_person_id)),
  95         ),
  96       )
  97       .inner_join(post_aggregates::table.on(post_report::post_id.eq(post_aggregates::post_id)))
  98       .left_join(
  99         person_alias_2::table.on(post_report::resolver_id.eq(person_alias_2::id.nullable())),
 100       )
 101       .select((
 102         post_report::all_columns,
 103         post::all_columns,
 104         Community::safe_columns_tuple(),
 105         Person::safe_columns_tuple(),
 106         PersonAlias1::safe_columns_tuple(),
 107         community_person_ban::all_columns.nullable(),
 108         post_like::score.nullable(),
 109         post_aggregates::all_columns,
 110         PersonAlias2::safe_columns_tuple().nullable(),
 111       ))
 112       .first::<PostReportViewTuple>(conn)?;
 113
 114     let my_vote = post_like;
 115
 116     Ok(Self {
 117       post_report,
 118       post,
 119       community,
 120       creator,
 121       post_creator,
 122       creator_banned_from_community: creator_banned_from_community.is_some(),
 123       my_vote,
 124       counts,
 125       resolver,
 126     })
 127   }
 128
 129   /// returns the current unresolved post report count for the communities you mod
 130   pub fn get_report_count(
 131     conn: &PgConnection,
 132     my_person_id: PersonId,
 133     admin: bool,
 134     community_id: Option<CommunityId>,
 135   ) -> Result<i64, Error> {
 136     use diesel::dsl::*;
 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     } else {
 159       query.select(count(post_report::id)).first::<i64>(conn)
 160     }
 161   }
 162 }
 163
 164 pub struct PostReportQueryBuilder<'a> {
 165   conn: &'a PgConnection,
 166   my_person_id: PersonId,
 167   admin: bool,
 168   community_id: Option<CommunityId>,
 169   page: Option<i64>,
 170   limit: Option<i64>,
 171   unresolved_only: Option<bool>,
 172 }
 173
 174 impl<'a> PostReportQueryBuilder<'a> {
 175   pub fn create(conn: &'a PgConnection, my_person_id: PersonId, admin: bool) -> Self {
 176     PostReportQueryBuilder {
 177       conn,
 178       my_person_id,
 179       admin,
 180       community_id: None,
 181       page: None,
 182       limit: None,
 183       unresolved_only: Some(true),
 184     }
 185   }
 186
 187   pub fn community_id<T: MaybeOptional<CommunityId>>(mut self, community_id: T) -> Self {
 188     self.community_id = community_id.get_optional();
 189     self
 190   }
 191
 192   pub fn page<T: MaybeOptional<i64>>(mut self, page: T) -> Self {
 193     self.page = page.get_optional();
 194     self
 195   }
 196
 197   pub fn limit<T: MaybeOptional<i64>>(mut self, limit: T) -> Self {
 198     self.limit = limit.get_optional();
 199     self
 200   }
 201
 202   pub fn unresolved_only<T: MaybeOptional<bool>>(mut self, unresolved_only: T) -> Self {
 203     self.unresolved_only = unresolved_only.get_optional();
 204     self
 205   }
 206
 207   pub fn list(self) -> Result<Vec<PostReportView>, Error> {
 208     let mut query = post_report::table
 209       .inner_join(post::table)
 210       .inner_join(community::table.on(post::community_id.eq(community::id)))
 211       .inner_join(person::table.on(post_report::creator_id.eq(person::id)))
 212       .inner_join(person_alias_1::table.on(post::creator_id.eq(person_alias_1::id)))
 213       .left_join(
 214         community_person_ban::table.on(
 215           post::community_id
 216             .eq(community_person_ban::community_id)
 217             .and(community_person_ban::person_id.eq(post::creator_id))
 218             .and(
 219               community_person_ban::expires
 220                 .is_null()
 221                 .or(community_person_ban::expires.gt(now)),
 222             ),
 223         ),
 224       )
 225       .left_join(
 226         post_like::table.on(
 227           post::id
 228             .eq(post_like::post_id)
 229             .and(post_like::person_id.eq(self.my_person_id)),
 230         ),
 231       )
 232       .inner_join(post_aggregates::table.on(post_report::post_id.eq(post_aggregates::post_id)))
 233       .left_join(
 234         person_alias_2::table.on(post_report::resolver_id.eq(person_alias_2::id.nullable())),
 235       )
 236       .select((
 237         post_report::all_columns,
 238         post::all_columns,
 239         Community::safe_columns_tuple(),
 240         Person::safe_columns_tuple(),
 241         PersonAlias1::safe_columns_tuple(),
 242         community_person_ban::all_columns.nullable(),
 243         post_like::score.nullable(),
 244         post_aggregates::all_columns,
 245         PersonAlias2::safe_columns_tuple().nullable(),
 246       ))
 247       .into_boxed();
 248
 249     if let Some(community_id) = self.community_id {
 250       query = query.filter(post::community_id.eq(community_id));
 251     }
 252
 253     if self.unresolved_only.unwrap_or(false) {
 254       query = query.filter(post_report::resolved.eq(false));
 255     }
 256
 257     let (limit, offset) = limit_and_offset(self.page, self.limit);
 258
 259     query = query
 260       .order_by(post_report::published.desc())
 261       .limit(limit)
 262       .offset(offset);
 263
 264     // If its not an admin, get only the ones you mod
 265     let res = if !self.admin {
 266       query
 267         .inner_join(
 268           community_moderator::table.on(
 269             community_moderator::community_id
 270               .eq(post::community_id)
 271               .and(community_moderator::person_id.eq(self.my_person_id)),
 272           ),
 273         )
 274         .load::<PostReportViewTuple>(self.conn)?
 275     } else {
 276       query.load::<PostReportViewTuple>(self.conn)?
 277     };
 278
 279     Ok(PostReportView::from_tuple_to_vec(res))
 280   }
 281 }
 282
 283 impl ViewToVec for PostReportView {
 284   type DbTuple = PostReportViewTuple;
 285   fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
 286     items
 287       .iter()
 288       .map(|a| Self {
 289         post_report: a.0.to_owned(),
 290         post: a.1.to_owned(),
 291         community: a.2.to_owned(),
 292         creator: a.3.to_owned(),
 293         post_creator: a.4.to_owned(),
 294         creator_banned_from_community: a.5.is_some(),
 295         my_vote: a.6,
 296         counts: a.7.to_owned(),
 297         resolver: a.8.to_owned(),
 298       })
 299       .collect::<Vec<Self>>()
 300   }
 301 }
 302
 303 #[cfg(test)]
 304 mod tests {
 305   use crate::post_report_view::{PostReportQueryBuilder, PostReportView};
 306   use lemmy_db_schema::{
 307     aggregates::post_aggregates::PostAggregates,
 308     establish_unpooled_connection,
 309     source::{
 310       community::*,
 311       person::*,
 312       post::*,
 313       post_report::{PostReport, PostReportForm},
 314     },
 315     traits::{Crud, Joinable, Reportable},
 316   };
 317   use serial_test::serial;
 318
 319   #[test]
 320   #[serial]
 321   fn test_crud() {
 322     let conn = establish_unpooled_connection();
 323
 324     let new_person = PersonForm {
 325       name: "timmy_prv".into(),
 326       ..PersonForm::default()
 327     };
 328
 329     let inserted_timmy = Person::create(&conn, &new_person).unwrap();
 330
 331     let new_person_2 = PersonForm {
 332       name: "sara_prv".into(),
 333       ..PersonForm::default()
 334     };
 335
 336     let inserted_sara = Person::create(&conn, &new_person_2).unwrap();
 337
 338     // Add a third person, since new ppl can only report something once.
 339     let new_person_3 = PersonForm {
 340       name: "jessica_prv".into(),
 341       ..PersonForm::default()
 342     };
 343
 344     let inserted_jessica = Person::create(&conn, &new_person_3).unwrap();
 345
 346     let new_community = CommunityForm {
 347       name: "test community prv".to_string(),
 348       title: "nada".to_owned(),
 349       ..CommunityForm::default()
 350     };
 351
 352     let inserted_community = Community::create(&conn, &new_community).unwrap();
 353
 354     // Make timmy a mod
 355     let timmy_moderator_form = CommunityModeratorForm {
 356       community_id: inserted_community.id,
 357       person_id: inserted_timmy.id,
 358     };
 359
 360     let _inserted_moderator = CommunityModerator::join(&conn, &timmy_moderator_form).unwrap();
 361
 362     let new_post = PostForm {
 363       name: "A test post crv".into(),
 364       creator_id: inserted_timmy.id,
 365       community_id: inserted_community.id,
 366       ..PostForm::default()
 367     };
 368
 369     let inserted_post = Post::create(&conn, &new_post).unwrap();
 370
 371     // sara reports
 372     let sara_report_form = PostReportForm {
 373       creator_id: inserted_sara.id,
 374       post_id: inserted_post.id,
 375       original_post_name: "Orig post".into(),
 376       original_post_url: None,
 377       original_post_body: None,
 378       reason: "from sara".into(),
 379     };
 380
 381     let inserted_sara_report = PostReport::report(&conn, &sara_report_form).unwrap();
 382
 383     // jessica reports
 384     let jessica_report_form = PostReportForm {
 385       creator_id: inserted_jessica.id,
 386       post_id: inserted_post.id,
 387       original_post_name: "Orig post".into(),
 388       original_post_url: None,
 389       original_post_body: None,
 390       reason: "from jessica".into(),
 391     };
 392
 393     let inserted_jessica_report = PostReport::report(&conn, &jessica_report_form).unwrap();
 394
 395     let agg = PostAggregates::read(&conn, inserted_post.id).unwrap();
 396
 397     let read_jessica_report_view =
 398       PostReportView::read(&conn, inserted_jessica_report.id, inserted_timmy.id).unwrap();
 399     let expected_jessica_report_view = PostReportView {
 400       post_report: inserted_jessica_report.to_owned(),
 401       post: inserted_post.to_owned(),
 402       community: CommunitySafe {
 403         id: inserted_community.id,
 404         name: inserted_community.name,
 405         icon: None,
 406         removed: false,
 407         deleted: false,
 408         nsfw: false,
 409         actor_id: inserted_community.actor_id.to_owned(),
 410         local: true,
 411         title: inserted_community.title,
 412         description: None,
 413         updated: None,
 414         banner: None,
 415         hidden: false,
 416         posting_restricted_to_mods: false,
 417         published: inserted_community.published,
 418       },
 419       creator: PersonSafe {
 420         id: inserted_jessica.id,
 421         name: inserted_jessica.name,
 422         display_name: None,
 423         published: inserted_jessica.published,
 424         avatar: None,
 425         actor_id: inserted_jessica.actor_id.to_owned(),
 426         local: true,
 427         banned: false,
 428         deleted: false,
 429         admin: false,
 430         bot_account: false,
 431         bio: None,
 432         banner: None,
 433         updated: None,
 434         inbox_url: inserted_jessica.inbox_url.to_owned(),
 435         shared_inbox_url: None,
 436         matrix_user_id: None,
 437         ban_expires: None,
 438       },
 439       post_creator: PersonSafeAlias1 {
 440         id: inserted_timmy.id,
 441         name: inserted_timmy.name.to_owned(),
 442         display_name: None,
 443         published: inserted_timmy.published,
 444         avatar: None,
 445         actor_id: inserted_timmy.actor_id.to_owned(),
 446         local: true,
 447         banned: false,
 448         deleted: false,
 449         admin: false,
 450         bot_account: false,
 451         bio: None,
 452         banner: None,
 453         updated: None,
 454         inbox_url: inserted_timmy.inbox_url.to_owned(),
 455         shared_inbox_url: None,
 456         matrix_user_id: None,
 457         ban_expires: None,
 458       },
 459       creator_banned_from_community: false,
 460       my_vote: None,
 461       counts: PostAggregates {
 462         id: agg.id,
 463         post_id: inserted_post.id,
 464         comments: 0,
 465         score: 0,
 466         upvotes: 0,
 467         downvotes: 0,
 468         stickied: false,
 469         published: agg.published,
 470         newest_comment_time_necro: inserted_post.published,
 471         newest_comment_time: inserted_post.published,
 472       },
 473       resolver: None,
 474     };
 475
 476     assert_eq!(read_jessica_report_view, expected_jessica_report_view);
 477
 478     let mut expected_sara_report_view = expected_jessica_report_view.clone();
 479     expected_sara_report_view.post_report = inserted_sara_report;
 480     expected_sara_report_view.my_vote = None;
 481     expected_sara_report_view.creator = PersonSafe {
 482       id: inserted_sara.id,
 483       name: inserted_sara.name,
 484       display_name: None,
 485       published: inserted_sara.published,
 486       avatar: None,
 487       actor_id: inserted_sara.actor_id.to_owned(),
 488       local: true,
 489       banned: false,
 490       deleted: false,
 491       admin: false,
 492       bot_account: false,
 493       bio: None,
 494       banner: None,
 495       updated: None,
 496       inbox_url: inserted_sara.inbox_url.to_owned(),
 497       shared_inbox_url: None,
 498       matrix_user_id: None,
 499       ban_expires: None,
 500     };
 501
 502     // Do a batch read of timmys reports
 503     let reports = PostReportQueryBuilder::create(&conn, inserted_timmy.id, false)
 504       .list()
 505       .unwrap();
 506
 507     assert_eq!(
 508       reports,
 509       [
 510         expected_jessica_report_view.to_owned(),
 511         expected_sara_report_view.to_owned()
 512       ]
 513     );
 514
 515     // Make sure the counts are correct
 516     let report_count =
 517       PostReportView::get_report_count(&conn, inserted_timmy.id, false, None).unwrap();
 518     assert_eq!(2, report_count);
 519
 520     // Try to resolve the report
 521     PostReport::resolve(&conn, inserted_jessica_report.id, inserted_timmy.id).unwrap();
 522     let read_jessica_report_view_after_resolve =
 523       PostReportView::read(&conn, inserted_jessica_report.id, inserted_timmy.id).unwrap();
 524
 525     let mut expected_jessica_report_view_after_resolve = expected_jessica_report_view;
 526     expected_jessica_report_view_after_resolve
 527       .post_report
 528       .resolved = true;
 529     expected_jessica_report_view_after_resolve
 530       .post_report
 531       .resolver_id = Some(inserted_timmy.id);
 532     expected_jessica_report_view_after_resolve
 533       .post_report
 534       .updated = read_jessica_report_view_after_resolve.post_report.updated;
 535     expected_jessica_report_view_after_resolve.resolver = Some(PersonSafeAlias2 {
 536       id: inserted_timmy.id,
 537       name: inserted_timmy.name.to_owned(),
 538       display_name: None,
 539       published: inserted_timmy.published,
 540       avatar: None,
 541       actor_id: inserted_timmy.actor_id.to_owned(),
 542       local: true,
 543       banned: false,
 544       deleted: false,
 545       admin: false,
 546       bot_account: false,
 547       bio: None,
 548       banner: None,
 549       updated: None,
 550       inbox_url: inserted_timmy.inbox_url.to_owned(),
 551       shared_inbox_url: None,
 552       matrix_user_id: None,
 553       ban_expires: None,
 554     });
 555
 556     assert_eq!(
 557       read_jessica_report_view_after_resolve,
 558       expected_jessica_report_view_after_resolve
 559     );
 560
 561     // Do a batch read of timmys reports
 562     // It should only show saras, which is unresolved
 563     let reports_after_resolve = PostReportQueryBuilder::create(&conn, inserted_timmy.id, false)
 564       .list()
 565       .unwrap();
 566     assert_eq!(reports_after_resolve[0], expected_sara_report_view);
 567
 568     // Make sure the counts are correct
 569     let report_count_after_resolved =
 570       PostReportView::get_report_count(&conn, inserted_timmy.id, false, None).unwrap();
 571     assert_eq!(1, report_count_after_resolved);
 572
 573     Person::delete(&conn, inserted_timmy.id).unwrap();
 574     Person::delete(&conn, inserted_sara.id).unwrap();
 575     Person::delete(&conn, inserted_jessica.id).unwrap();
 576     Community::delete(&conn, inserted_community.id).unwrap();
 577   }
 578 }