crates/db_views/src/post_report_view.rs

   1 use diesel::{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         ),
  84       )
  85       .left_join(
  86         post_like::table.on(
  87           post::id
  88             .eq(post_like::post_id)
  89             .and(post_like::person_id.eq(my_person_id)),
  90         ),
  91       )
  92       .inner_join(post_aggregates::table.on(post_report::post_id.eq(post_aggregates::post_id)))
  93       .left_join(
  94         person_alias_2::table.on(post_report::resolver_id.eq(person_alias_2::id.nullable())),
  95       )
  96       .select((
  97         post_report::all_columns,
  98         post::all_columns,
  99         Community::safe_columns_tuple(),
 100         Person::safe_columns_tuple(),
 101         PersonAlias1::safe_columns_tuple(),
 102         community_person_ban::all_columns.nullable(),
 103         post_like::score.nullable(),
 104         post_aggregates::all_columns,
 105         PersonAlias2::safe_columns_tuple().nullable(),
 106       ))
 107       .first::<PostReportViewTuple>(conn)?;
 108
 109     let my_vote = if post_like.is_none() { None } else { post_like };
 110
 111     Ok(Self {
 112       post_report,
 113       post,
 114       community,
 115       creator,
 116       post_creator,
 117       creator_banned_from_community: creator_banned_from_community.is_some(),
 118       my_vote,
 119       counts,
 120       resolver,
 121     })
 122   }
 123
 124   /// returns the current unresolved post report count for the communities you mod
 125   pub fn get_report_count(
 126     conn: &PgConnection,
 127     my_person_id: PersonId,
 128     admin: bool,
 129     community_id: Option<CommunityId>,
 130   ) -> Result<i64, Error> {
 131     use diesel::dsl::*;
 132     let mut query = post_report::table
 133       .inner_join(post::table)
 134       .filter(post_report::resolved.eq(false))
 135       .into_boxed();
 136
 137     if let Some(community_id) = community_id {
 138       query = query.filter(post::community_id.eq(community_id))
 139     }
 140
 141     // If its not an admin, get only the ones you mod
 142     if !admin {
 143       query
 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         .select(count(post_report::id))
 152         .first::<i64>(conn)
 153     } else {
 154       query.select(count(post_report::id)).first::<i64>(conn)
 155     }
 156   }
 157 }
 158
 159 pub struct PostReportQueryBuilder<'a> {
 160   conn: &'a PgConnection,
 161   my_person_id: PersonId,
 162   admin: bool,
 163   community_id: Option<CommunityId>,
 164   page: Option<i64>,
 165   limit: Option<i64>,
 166   unresolved_only: Option<bool>,
 167 }
 168
 169 impl<'a> PostReportQueryBuilder<'a> {
 170   pub fn create(conn: &'a PgConnection, my_person_id: PersonId, admin: bool) -> Self {
 171     PostReportQueryBuilder {
 172       conn,
 173       my_person_id,
 174       admin,
 175       community_id: None,
 176       page: None,
 177       limit: None,
 178       unresolved_only: Some(true),
 179     }
 180   }
 181
 182   pub fn community_id<T: MaybeOptional<CommunityId>>(mut self, community_id: T) -> Self {
 183     self.community_id = community_id.get_optional();
 184     self
 185   }
 186
 187   pub fn page<T: MaybeOptional<i64>>(mut self, page: T) -> Self {
 188     self.page = page.get_optional();
 189     self
 190   }
 191
 192   pub fn limit<T: MaybeOptional<i64>>(mut self, limit: T) -> Self {
 193     self.limit = limit.get_optional();
 194     self
 195   }
 196
 197   pub fn unresolved_only<T: MaybeOptional<bool>>(mut self, unresolved_only: T) -> Self {
 198     self.unresolved_only = unresolved_only.get_optional();
 199     self
 200   }
 201
 202   pub fn list(self) -> Result<Vec<PostReportView>, Error> {
 203     let mut query = post_report::table
 204       .inner_join(post::table)
 205       .inner_join(community::table.on(post::community_id.eq(community::id)))
 206       .inner_join(person::table.on(post_report::creator_id.eq(person::id)))
 207       .inner_join(person_alias_1::table.on(post::creator_id.eq(person_alias_1::id)))
 208       .left_join(
 209         community_person_ban::table.on(
 210           post::community_id
 211             .eq(community_person_ban::community_id)
 212             .and(community_person_ban::person_id.eq(post::creator_id)),
 213         ),
 214       )
 215       .left_join(
 216         post_like::table.on(
 217           post::id
 218             .eq(post_like::post_id)
 219             .and(post_like::person_id.eq(self.my_person_id)),
 220         ),
 221       )
 222       .inner_join(post_aggregates::table.on(post_report::post_id.eq(post_aggregates::post_id)))
 223       .left_join(
 224         person_alias_2::table.on(post_report::resolver_id.eq(person_alias_2::id.nullable())),
 225       )
 226       .select((
 227         post_report::all_columns,
 228         post::all_columns,
 229         Community::safe_columns_tuple(),
 230         Person::safe_columns_tuple(),
 231         PersonAlias1::safe_columns_tuple(),
 232         community_person_ban::all_columns.nullable(),
 233         post_like::score.nullable(),
 234         post_aggregates::all_columns,
 235         PersonAlias2::safe_columns_tuple().nullable(),
 236       ))
 237       .into_boxed();
 238
 239     if let Some(community_id) = self.community_id {
 240       query = query.filter(post::community_id.eq(community_id));
 241     }
 242
 243     if self.unresolved_only.unwrap_or(false) {
 244       query = query.filter(post_report::resolved.eq(false));
 245     }
 246
 247     let (limit, offset) = limit_and_offset(self.page, self.limit);
 248
 249     query = query
 250       .order_by(post_report::published.desc())
 251       .limit(limit)
 252       .offset(offset);
 253
 254     // If its not an admin, get only the ones you mod
 255     let res = if !self.admin {
 256       query
 257         .inner_join(
 258           community_moderator::table.on(
 259             community_moderator::community_id
 260               .eq(post::community_id)
 261               .and(community_moderator::person_id.eq(self.my_person_id)),
 262           ),
 263         )
 264         .load::<PostReportViewTuple>(self.conn)?
 265     } else {
 266       query.load::<PostReportViewTuple>(self.conn)?
 267     };
 268
 269     Ok(PostReportView::from_tuple_to_vec(res))
 270   }
 271 }
 272
 273 impl ViewToVec for PostReportView {
 274   type DbTuple = PostReportViewTuple;
 275   fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
 276     items
 277       .iter()
 278       .map(|a| Self {
 279         post_report: a.0.to_owned(),
 280         post: a.1.to_owned(),
 281         community: a.2.to_owned(),
 282         creator: a.3.to_owned(),
 283         post_creator: a.4.to_owned(),
 284         creator_banned_from_community: a.5.is_some(),
 285         my_vote: a.6,
 286         counts: a.7.to_owned(),
 287         resolver: a.8.to_owned(),
 288       })
 289       .collect::<Vec<Self>>()
 290   }
 291 }
 292
 293 #[cfg(test)]
 294 mod tests {
 295   use crate::post_report_view::{PostReportQueryBuilder, PostReportView};
 296   use lemmy_db_schema::{
 297     aggregates::post_aggregates::PostAggregates,
 298     establish_unpooled_connection,
 299     source::{
 300       community::*,
 301       person::*,
 302       post::*,
 303       post_report::{PostReport, PostReportForm},
 304     },
 305     traits::{Crud, Joinable, Reportable},
 306   };
 307   use serial_test::serial;
 308
 309   #[test]
 310   #[serial]
 311   fn test_crud() {
 312     let conn = establish_unpooled_connection();
 313
 314     let new_person = PersonForm {
 315       name: "timmy_prv".into(),
 316       ..PersonForm::default()
 317     };
 318
 319     let inserted_timmy = Person::create(&conn, &new_person).unwrap();
 320
 321     let new_person_2 = PersonForm {
 322       name: "sara_prv".into(),
 323       ..PersonForm::default()
 324     };
 325
 326     let inserted_sara = Person::create(&conn, &new_person_2).unwrap();
 327
 328     // Add a third person, since new ppl can only report something once.
 329     let new_person_3 = PersonForm {
 330       name: "jessica_prv".into(),
 331       ..PersonForm::default()
 332     };
 333
 334     let inserted_jessica = Person::create(&conn, &new_person_3).unwrap();
 335
 336     let new_community = CommunityForm {
 337       name: "test community prv".to_string(),
 338       title: "nada".to_owned(),
 339       ..CommunityForm::default()
 340     };
 341
 342     let inserted_community = Community::create(&conn, &new_community).unwrap();
 343
 344     // Make timmy a mod
 345     let timmy_moderator_form = CommunityModeratorForm {
 346       community_id: inserted_community.id,
 347       person_id: inserted_timmy.id,
 348     };
 349
 350     let _inserted_moderator = CommunityModerator::join(&conn, &timmy_moderator_form).unwrap();
 351
 352     let new_post = PostForm {
 353       name: "A test post crv".into(),
 354       creator_id: inserted_timmy.id,
 355       community_id: inserted_community.id,
 356       ..PostForm::default()
 357     };
 358
 359     let inserted_post = Post::create(&conn, &new_post).unwrap();
 360
 361     // sara reports
 362     let sara_report_form = PostReportForm {
 363       creator_id: inserted_sara.id,
 364       post_id: inserted_post.id,
 365       original_post_name: "Orig post".into(),
 366       original_post_url: None,
 367       original_post_body: None,
 368       reason: "from sara".into(),
 369     };
 370
 371     let inserted_sara_report = PostReport::report(&conn, &sara_report_form).unwrap();
 372
 373     // jessica reports
 374     let jessica_report_form = PostReportForm {
 375       creator_id: inserted_jessica.id,
 376       post_id: inserted_post.id,
 377       original_post_name: "Orig post".into(),
 378       original_post_url: None,
 379       original_post_body: None,
 380       reason: "from jessica".into(),
 381     };
 382
 383     let inserted_jessica_report = PostReport::report(&conn, &jessica_report_form).unwrap();
 384
 385     let agg = PostAggregates::read(&conn, inserted_post.id).unwrap();
 386
 387     let read_jessica_report_view =
 388       PostReportView::read(&conn, inserted_jessica_report.id, inserted_timmy.id).unwrap();
 389     let expected_jessica_report_view = PostReportView {
 390       post_report: inserted_jessica_report.to_owned(),
 391       post: inserted_post.to_owned(),
 392       community: CommunitySafe {
 393         id: inserted_community.id,
 394         name: inserted_community.name,
 395         icon: None,
 396         removed: false,
 397         deleted: false,
 398         nsfw: false,
 399         actor_id: inserted_community.actor_id.to_owned(),
 400         local: true,
 401         title: inserted_community.title,
 402         description: None,
 403         updated: None,
 404         banner: None,
 405         published: inserted_community.published,
 406       },
 407       creator: PersonSafe {
 408         id: inserted_jessica.id,
 409         name: inserted_jessica.name,
 410         display_name: None,
 411         published: inserted_jessica.published,
 412         avatar: None,
 413         actor_id: inserted_jessica.actor_id.to_owned(),
 414         local: true,
 415         banned: false,
 416         deleted: false,
 417         admin: false,
 418         bot_account: false,
 419         bio: None,
 420         banner: None,
 421         updated: None,
 422         inbox_url: inserted_jessica.inbox_url.to_owned(),
 423         shared_inbox_url: None,
 424         matrix_user_id: 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       },
 445       creator_banned_from_community: false,
 446       my_vote: None,
 447       counts: PostAggregates {
 448         id: agg.id,
 449         post_id: inserted_post.id,
 450         comments: 0,
 451         score: 0,
 452         upvotes: 0,
 453         downvotes: 0,
 454         stickied: false,
 455         published: agg.published,
 456         newest_comment_time_necro: inserted_post.published,
 457         newest_comment_time: inserted_post.published,
 458       },
 459       resolver: None,
 460     };
 461
 462     assert_eq!(read_jessica_report_view, expected_jessica_report_view);
 463
 464     let mut expected_sara_report_view = expected_jessica_report_view.clone();
 465     expected_sara_report_view.post_report = inserted_sara_report;
 466     expected_sara_report_view.my_vote = None;
 467     expected_sara_report_view.creator = PersonSafe {
 468       id: inserted_sara.id,
 469       name: inserted_sara.name,
 470       display_name: None,
 471       published: inserted_sara.published,
 472       avatar: None,
 473       actor_id: inserted_sara.actor_id.to_owned(),
 474       local: true,
 475       banned: false,
 476       deleted: false,
 477       admin: false,
 478       bot_account: false,
 479       bio: None,
 480       banner: None,
 481       updated: None,
 482       inbox_url: inserted_sara.inbox_url.to_owned(),
 483       shared_inbox_url: None,
 484       matrix_user_id: None,
 485     };
 486
 487     // Do a batch read of timmys reports
 488     let reports = PostReportQueryBuilder::create(&conn, inserted_timmy.id, false)
 489       .list()
 490       .unwrap();
 491
 492     assert_eq!(
 493       reports,
 494       [
 495         expected_jessica_report_view.to_owned(),
 496         expected_sara_report_view.to_owned()
 497       ]
 498     );
 499
 500     // Make sure the counts are correct
 501     let report_count =
 502       PostReportView::get_report_count(&conn, inserted_timmy.id, false, None).unwrap();
 503     assert_eq!(2, report_count);
 504
 505     // Try to resolve the report
 506     PostReport::resolve(&conn, inserted_jessica_report.id, inserted_timmy.id).unwrap();
 507     let read_jessica_report_view_after_resolve =
 508       PostReportView::read(&conn, inserted_jessica_report.id, inserted_timmy.id).unwrap();
 509
 510     let mut expected_jessica_report_view_after_resolve = expected_jessica_report_view;
 511     expected_jessica_report_view_after_resolve
 512       .post_report
 513       .resolved = true;
 514     expected_jessica_report_view_after_resolve
 515       .post_report
 516       .resolver_id = Some(inserted_timmy.id);
 517     expected_jessica_report_view_after_resolve
 518       .post_report
 519       .updated = read_jessica_report_view_after_resolve.post_report.updated;
 520     expected_jessica_report_view_after_resolve.resolver = Some(PersonSafeAlias2 {
 521       id: inserted_timmy.id,
 522       name: inserted_timmy.name.to_owned(),
 523       display_name: None,
 524       published: inserted_timmy.published,
 525       avatar: None,
 526       actor_id: inserted_timmy.actor_id.to_owned(),
 527       local: true,
 528       banned: false,
 529       deleted: false,
 530       admin: false,
 531       bot_account: false,
 532       bio: None,
 533       banner: None,
 534       updated: None,
 535       inbox_url: inserted_timmy.inbox_url.to_owned(),
 536       shared_inbox_url: None,
 537       matrix_user_id: None,
 538     });
 539
 540     assert_eq!(
 541       read_jessica_report_view_after_resolve,
 542       expected_jessica_report_view_after_resolve
 543     );
 544
 545     // Do a batch read of timmys reports
 546     // It should only show saras, which is unresolved
 547     let reports_after_resolve = PostReportQueryBuilder::create(&conn, inserted_timmy.id, false)
 548       .list()
 549       .unwrap();
 550     assert_eq!(reports_after_resolve[0], expected_sara_report_view);
 551
 552     // Make sure the counts are correct
 553     let report_count_after_resolved =
 554       PostReportView::get_report_count(&conn, inserted_timmy.id, false, None).unwrap();
 555     assert_eq!(1, report_count_after_resolved);
 556
 557     Person::delete(&conn, inserted_timmy.id).unwrap();
 558     Person::delete(&conn, inserted_sara.id).unwrap();
 559     Person::delete(&conn, inserted_jessica.id).unwrap();
 560     Community::delete(&conn, inserted_community.id).unwrap();
 561   }
 562 }