crates/db_views/src/post_report_view.rs

   1 use crate::structs::PostReportView;
   2 use diesel::{dsl::*, result::Error, *};
   3 use lemmy_db_schema::{
   4   aggregates::structs::PostAggregates,
   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   utils::limit_and_offset,
  26 };
  27
  28 type PostReportViewTuple = (
  29   PostReport,
  30   Post,
  31   CommunitySafe,
  32   PersonSafe,
  33   PersonSafeAlias1,
  34   Option<CommunityPersonBan>,
  35   Option<i16>,
  36   PostAggregates,
  37   Option<PersonSafeAlias2>,
  38 );
  39
  40 impl PostReportView {
  41   /// returns the PostReportView for the provided report_id
  42   ///
  43   /// * `report_id` - the report id to obtain
  44   pub fn read(
  45     conn: &PgConnection,
  46     report_id: PostReportId,
  47     my_person_id: PersonId,
  48   ) -> Result<Self, Error> {
  49     let (
  50       post_report,
  51       post,
  52       community,
  53       creator,
  54       post_creator,
  55       creator_banned_from_community,
  56       post_like,
  57       counts,
  58       resolver,
  59     ) = post_report::table
  60       .find(report_id)
  61       .inner_join(post::table)
  62       .inner_join(community::table.on(post::community_id.eq(community::id)))
  63       .inner_join(person::table.on(post_report::creator_id.eq(person::id)))
  64       .inner_join(person_alias_1::table.on(post::creator_id.eq(person_alias_1::id)))
  65       .left_join(
  66         community_person_ban::table.on(
  67           post::community_id
  68             .eq(community_person_ban::community_id)
  69             .and(community_person_ban::person_id.eq(post::creator_id))
  70             .and(
  71               community_person_ban::expires
  72                 .is_null()
  73                 .or(community_person_ban::expires.gt(now)),
  74             ),
  75         ),
  76       )
  77       .left_join(
  78         post_like::table.on(
  79           post::id
  80             .eq(post_like::post_id)
  81             .and(post_like::person_id.eq(my_person_id)),
  82         ),
  83       )
  84       .inner_join(post_aggregates::table.on(post_report::post_id.eq(post_aggregates::post_id)))
  85       .left_join(
  86         person_alias_2::table.on(post_report::resolver_id.eq(person_alias_2::id.nullable())),
  87       )
  88       .select((
  89         post_report::all_columns,
  90         post::all_columns,
  91         Community::safe_columns_tuple(),
  92         Person::safe_columns_tuple(),
  93         PersonAlias1::safe_columns_tuple(),
  94         community_person_ban::all_columns.nullable(),
  95         post_like::score.nullable(),
  96         post_aggregates::all_columns,
  97         PersonAlias2::safe_columns_tuple().nullable(),
  98       ))
  99       .first::<PostReportViewTuple>(conn)?;
 100
 101     let my_vote = post_like;
 102
 103     Ok(Self {
 104       post_report,
 105       post,
 106       community,
 107       creator,
 108       post_creator,
 109       creator_banned_from_community: creator_banned_from_community.is_some(),
 110       my_vote,
 111       counts,
 112       resolver,
 113     })
 114   }
 115
 116   /// returns the current unresolved post report count for the communities you mod
 117   pub fn get_report_count(
 118     conn: &PgConnection,
 119     my_person_id: PersonId,
 120     admin: bool,
 121     community_id: Option<CommunityId>,
 122   ) -> Result<i64, Error> {
 123     use diesel::dsl::*;
 124     let mut query = post_report::table
 125       .inner_join(post::table)
 126       .filter(post_report::resolved.eq(false))
 127       .into_boxed();
 128
 129     if let Some(community_id) = community_id {
 130       query = query.filter(post::community_id.eq(community_id))
 131     }
 132
 133     // If its not an admin, get only the ones you mod
 134     if !admin {
 135       query
 136         .inner_join(
 137           community_moderator::table.on(
 138             community_moderator::community_id
 139               .eq(post::community_id)
 140               .and(community_moderator::person_id.eq(my_person_id)),
 141           ),
 142         )
 143         .select(count(post_report::id))
 144         .first::<i64>(conn)
 145     } else {
 146       query.select(count(post_report::id)).first::<i64>(conn)
 147     }
 148   }
 149 }
 150
 151 pub struct PostReportQueryBuilder<'a> {
 152   conn: &'a PgConnection,
 153   my_person_id: PersonId,
 154   admin: bool,
 155   community_id: Option<CommunityId>,
 156   page: Option<i64>,
 157   limit: Option<i64>,
 158   unresolved_only: Option<bool>,
 159 }
 160
 161 impl<'a> PostReportQueryBuilder<'a> {
 162   pub fn create(conn: &'a PgConnection, my_person_id: PersonId, admin: bool) -> Self {
 163     PostReportQueryBuilder {
 164       conn,
 165       my_person_id,
 166       admin,
 167       community_id: None,
 168       page: None,
 169       limit: None,
 170       unresolved_only: Some(true),
 171     }
 172   }
 173
 174   pub fn community_id<T: MaybeOptional<CommunityId>>(mut self, community_id: T) -> Self {
 175     self.community_id = community_id.get_optional();
 176     self
 177   }
 178
 179   pub fn page<T: MaybeOptional<i64>>(mut self, page: T) -> Self {
 180     self.page = page.get_optional();
 181     self
 182   }
 183
 184   pub fn limit<T: MaybeOptional<i64>>(mut self, limit: T) -> Self {
 185     self.limit = limit.get_optional();
 186     self
 187   }
 188
 189   pub fn unresolved_only<T: MaybeOptional<bool>>(mut self, unresolved_only: T) -> Self {
 190     self.unresolved_only = unresolved_only.get_optional();
 191     self
 192   }
 193
 194   pub fn list(self) -> Result<Vec<PostReportView>, Error> {
 195     let mut query = post_report::table
 196       .inner_join(post::table)
 197       .inner_join(community::table.on(post::community_id.eq(community::id)))
 198       .inner_join(person::table.on(post_report::creator_id.eq(person::id)))
 199       .inner_join(person_alias_1::table.on(post::creator_id.eq(person_alias_1::id)))
 200       .left_join(
 201         community_person_ban::table.on(
 202           post::community_id
 203             .eq(community_person_ban::community_id)
 204             .and(community_person_ban::person_id.eq(post::creator_id))
 205             .and(
 206               community_person_ban::expires
 207                 .is_null()
 208                 .or(community_person_ban::expires.gt(now)),
 209             ),
 210         ),
 211       )
 212       .left_join(
 213         post_like::table.on(
 214           post::id
 215             .eq(post_like::post_id)
 216             .and(post_like::person_id.eq(self.my_person_id)),
 217         ),
 218       )
 219       .inner_join(post_aggregates::table.on(post_report::post_id.eq(post_aggregates::post_id)))
 220       .left_join(
 221         person_alias_2::table.on(post_report::resolver_id.eq(person_alias_2::id.nullable())),
 222       )
 223       .select((
 224         post_report::all_columns,
 225         post::all_columns,
 226         Community::safe_columns_tuple(),
 227         Person::safe_columns_tuple(),
 228         PersonAlias1::safe_columns_tuple(),
 229         community_person_ban::all_columns.nullable(),
 230         post_like::score.nullable(),
 231         post_aggregates::all_columns,
 232         PersonAlias2::safe_columns_tuple().nullable(),
 233       ))
 234       .into_boxed();
 235
 236     if let Some(community_id) = self.community_id {
 237       query = query.filter(post::community_id.eq(community_id));
 238     }
 239
 240     if self.unresolved_only.unwrap_or(false) {
 241       query = query.filter(post_report::resolved.eq(false));
 242     }
 243
 244     let (limit, offset) = limit_and_offset(self.page, self.limit)?;
 245
 246     query = query
 247       .order_by(post_report::published.desc())
 248       .limit(limit)
 249       .offset(offset);
 250
 251     // If its not an admin, get only the ones you mod
 252     let res = if !self.admin {
 253       query
 254         .inner_join(
 255           community_moderator::table.on(
 256             community_moderator::community_id
 257               .eq(post::community_id)
 258               .and(community_moderator::person_id.eq(self.my_person_id)),
 259           ),
 260         )
 261         .load::<PostReportViewTuple>(self.conn)?
 262     } else {
 263       query.load::<PostReportViewTuple>(self.conn)?
 264     };
 265
 266     Ok(PostReportView::from_tuple_to_vec(res))
 267   }
 268 }
 269
 270 impl ViewToVec for PostReportView {
 271   type DbTuple = PostReportViewTuple;
 272   fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
 273     items
 274       .iter()
 275       .map(|a| Self {
 276         post_report: a.0.to_owned(),
 277         post: a.1.to_owned(),
 278         community: a.2.to_owned(),
 279         creator: a.3.to_owned(),
 280         post_creator: a.4.to_owned(),
 281         creator_banned_from_community: a.5.is_some(),
 282         my_vote: a.6,
 283         counts: a.7.to_owned(),
 284         resolver: a.8.to_owned(),
 285       })
 286       .collect::<Vec<Self>>()
 287   }
 288 }
 289
 290 #[cfg(test)]
 291 mod tests {
 292   use crate::post_report_view::{PostReportQueryBuilder, PostReportView};
 293   use lemmy_db_schema::{
 294     aggregates::structs::PostAggregates,
 295     source::{
 296       community::*,
 297       person::*,
 298       post::*,
 299       post_report::{PostReport, PostReportForm},
 300     },
 301     traits::{Crud, Joinable, Reportable},
 302     utils::establish_unpooled_connection,
 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         hidden: false,
 403         posting_restricted_to_mods: false,
 404         published: inserted_community.published,
 405       },
 406       creator: PersonSafe {
 407         id: inserted_jessica.id,
 408         name: inserted_jessica.name,
 409         display_name: None,
 410         published: inserted_jessica.published,
 411         avatar: None,
 412         actor_id: inserted_jessica.actor_id.to_owned(),
 413         local: true,
 414         banned: false,
 415         deleted: false,
 416         admin: false,
 417         bot_account: false,
 418         bio: None,
 419         banner: None,
 420         updated: None,
 421         inbox_url: inserted_jessica.inbox_url.to_owned(),
 422         shared_inbox_url: None,
 423         matrix_user_id: None,
 424         ban_expires: None,
 425       },
 426       post_creator: PersonSafeAlias1 {
 427         id: inserted_timmy.id,
 428         name: inserted_timmy.name.to_owned(),
 429         display_name: None,
 430         published: inserted_timmy.published,
 431         avatar: None,
 432         actor_id: inserted_timmy.actor_id.to_owned(),
 433         local: true,
 434         banned: false,
 435         deleted: false,
 436         admin: false,
 437         bot_account: false,
 438         bio: None,
 439         banner: None,
 440         updated: None,
 441         inbox_url: inserted_timmy.inbox_url.to_owned(),
 442         shared_inbox_url: None,
 443         matrix_user_id: None,
 444         ban_expires: None,
 445       },
 446       creator_banned_from_community: false,
 447       my_vote: None,
 448       counts: PostAggregates {
 449         id: agg.id,
 450         post_id: inserted_post.id,
 451         comments: 0,
 452         score: 0,
 453         upvotes: 0,
 454         downvotes: 0,
 455         stickied: false,
 456         published: agg.published,
 457         newest_comment_time_necro: inserted_post.published,
 458         newest_comment_time: inserted_post.published,
 459       },
 460       resolver: None,
 461     };
 462
 463     assert_eq!(read_jessica_report_view, expected_jessica_report_view);
 464
 465     let mut expected_sara_report_view = expected_jessica_report_view.clone();
 466     expected_sara_report_view.post_report = inserted_sara_report;
 467     expected_sara_report_view.my_vote = None;
 468     expected_sara_report_view.creator = PersonSafe {
 469       id: inserted_sara.id,
 470       name: inserted_sara.name,
 471       display_name: None,
 472       published: inserted_sara.published,
 473       avatar: None,
 474       actor_id: inserted_sara.actor_id.to_owned(),
 475       local: true,
 476       banned: false,
 477       deleted: false,
 478       admin: false,
 479       bot_account: false,
 480       bio: None,
 481       banner: None,
 482       updated: None,
 483       inbox_url: inserted_sara.inbox_url.to_owned(),
 484       shared_inbox_url: None,
 485       matrix_user_id: None,
 486       ban_expires: None,
 487     };
 488
 489     // Do a batch read of timmys reports
 490     let reports = PostReportQueryBuilder::create(&conn, inserted_timmy.id, false)
 491       .list()
 492       .unwrap();
 493
 494     assert_eq!(
 495       reports,
 496       [
 497         expected_jessica_report_view.to_owned(),
 498         expected_sara_report_view.to_owned()
 499       ]
 500     );
 501
 502     // Make sure the counts are correct
 503     let report_count =
 504       PostReportView::get_report_count(&conn, inserted_timmy.id, false, None).unwrap();
 505     assert_eq!(2, report_count);
 506
 507     // Try to resolve the report
 508     PostReport::resolve(&conn, inserted_jessica_report.id, inserted_timmy.id).unwrap();
 509     let read_jessica_report_view_after_resolve =
 510       PostReportView::read(&conn, inserted_jessica_report.id, inserted_timmy.id).unwrap();
 511
 512     let mut expected_jessica_report_view_after_resolve = expected_jessica_report_view;
 513     expected_jessica_report_view_after_resolve
 514       .post_report
 515       .resolved = true;
 516     expected_jessica_report_view_after_resolve
 517       .post_report
 518       .resolver_id = Some(inserted_timmy.id);
 519     expected_jessica_report_view_after_resolve
 520       .post_report
 521       .updated = read_jessica_report_view_after_resolve.post_report.updated;
 522     expected_jessica_report_view_after_resolve.resolver = Some(PersonSafeAlias2 {
 523       id: inserted_timmy.id,
 524       name: inserted_timmy.name.to_owned(),
 525       display_name: None,
 526       published: inserted_timmy.published,
 527       avatar: None,
 528       actor_id: inserted_timmy.actor_id.to_owned(),
 529       local: true,
 530       banned: false,
 531       deleted: false,
 532       admin: false,
 533       bot_account: false,
 534       bio: None,
 535       banner: None,
 536       updated: None,
 537       inbox_url: inserted_timmy.inbox_url.to_owned(),
 538       shared_inbox_url: None,
 539       matrix_user_id: None,
 540       ban_expires: None,
 541     });
 542
 543     assert_eq!(
 544       read_jessica_report_view_after_resolve,
 545       expected_jessica_report_view_after_resolve
 546     );
 547
 548     // Do a batch read of timmys reports
 549     // It should only show saras, which is unresolved
 550     let reports_after_resolve = PostReportQueryBuilder::create(&conn, inserted_timmy.id, false)
 551       .list()
 552       .unwrap();
 553     assert_eq!(reports_after_resolve[0], expected_sara_report_view);
 554
 555     // Make sure the counts are correct
 556     let report_count_after_resolved =
 557       PostReportView::get_report_count(&conn, inserted_timmy.id, false, None).unwrap();
 558     assert_eq!(1, report_count_after_resolved);
 559
 560     Person::delete(&conn, inserted_timmy.id).unwrap();
 561     Person::delete(&conn, inserted_sara.id).unwrap();
 562     Person::delete(&conn, inserted_jessica.id).unwrap();
 563     Community::delete(&conn, inserted_community.id).unwrap();
 564   }
 565 }