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       // Test this join
 135       .inner_join(
 136         community_moderator::table.on(community_moderator::community_id.eq(post::community_id)),
 137       )
 138       .filter(post_report::resolved.eq(false))
 139       .into_boxed();
 140
 141     // If its not an admin, get only the ones you mod
 142     if !admin {
 143       query = query.filter(community_moderator::person_id.eq(my_person_id));
 144     }
 145
 146     if let Some(community_id) = community_id {
 147       query = query.filter(post::community_id.eq(community_id))
 148     }
 149
 150     query.select(count(post_report::id)).first::<i64>(conn)
 151   }
 152 }
 153
 154 pub struct PostReportQueryBuilder<'a> {
 155   conn: &'a PgConnection,
 156   my_person_id: PersonId,
 157   admin: bool,
 158   community_id: Option<CommunityId>,
 159   page: Option<i64>,
 160   limit: Option<i64>,
 161   unresolved_only: Option<bool>,
 162 }
 163
 164 impl<'a> PostReportQueryBuilder<'a> {
 165   pub fn create(conn: &'a PgConnection, my_person_id: PersonId, admin: bool) -> Self {
 166     PostReportQueryBuilder {
 167       conn,
 168       my_person_id,
 169       admin,
 170       community_id: None,
 171       page: None,
 172       limit: None,
 173       unresolved_only: Some(true),
 174     }
 175   }
 176
 177   pub fn community_id<T: MaybeOptional<CommunityId>>(mut self, community_id: T) -> Self {
 178     self.community_id = community_id.get_optional();
 179     self
 180   }
 181
 182   pub fn page<T: MaybeOptional<i64>>(mut self, page: T) -> Self {
 183     self.page = page.get_optional();
 184     self
 185   }
 186
 187   pub fn limit<T: MaybeOptional<i64>>(mut self, limit: T) -> Self {
 188     self.limit = limit.get_optional();
 189     self
 190   }
 191
 192   pub fn unresolved_only<T: MaybeOptional<bool>>(mut self, unresolved_only: T) -> Self {
 193     self.unresolved_only = unresolved_only.get_optional();
 194     self
 195   }
 196
 197   pub fn list(self) -> Result<Vec<PostReportView>, Error> {
 198     let mut query = post_report::table
 199       .inner_join(post::table)
 200       .inner_join(community::table.on(post::community_id.eq(community::id)))
 201       .inner_join(person::table.on(post_report::creator_id.eq(person::id)))
 202       .inner_join(person_alias_1::table.on(post::creator_id.eq(person_alias_1::id)))
 203       .inner_join(
 204         community_moderator::table.on(community_moderator::community_id.eq(post::community_id)),
 205       )
 206       .left_join(
 207         community_person_ban::table.on(
 208           post::community_id
 209             .eq(community_person_ban::community_id)
 210             .and(community_person_ban::person_id.eq(post::creator_id)),
 211         ),
 212       )
 213       .left_join(
 214         post_like::table.on(
 215           post::id
 216             .eq(post_like::post_id)
 217             .and(post_like::person_id.eq(self.my_person_id)),
 218         ),
 219       )
 220       .inner_join(post_aggregates::table.on(post_report::post_id.eq(post_aggregates::post_id)))
 221       .left_join(
 222         person_alias_2::table.on(post_report::resolver_id.eq(person_alias_2::id.nullable())),
 223       )
 224       .select((
 225         post_report::all_columns,
 226         post::all_columns,
 227         Community::safe_columns_tuple(),
 228         Person::safe_columns_tuple(),
 229         PersonAlias1::safe_columns_tuple(),
 230         community_person_ban::all_columns.nullable(),
 231         post_like::score.nullable(),
 232         post_aggregates::all_columns,
 233         PersonAlias2::safe_columns_tuple().nullable(),
 234       ))
 235       .into_boxed();
 236
 237     // If its not an admin, get only the ones you mod
 238     if !self.admin {
 239       query = query.filter(community_moderator::person_id.eq(self.my_person_id));
 240     }
 241
 242     if let Some(community_id) = self.community_id {
 243       query = query.filter(post::community_id.eq(community_id));
 244     }
 245
 246     if self.unresolved_only.unwrap_or(false) {
 247       query = query.filter(post_report::resolved.eq(false));
 248     }
 249
 250     let (limit, offset) = limit_and_offset(self.page, self.limit);
 251
 252     let res = query
 253       .order_by(post_report::published.asc())
 254       .limit(limit)
 255       .offset(offset)
 256       .load::<PostReportViewTuple>(self.conn)?;
 257
 258     Ok(PostReportView::from_tuple_to_vec(res))
 259   }
 260 }
 261
 262 impl ViewToVec for PostReportView {
 263   type DbTuple = PostReportViewTuple;
 264   fn from_tuple_to_vec(items: Vec<Self::DbTuple>) -> Vec<Self> {
 265     items
 266       .iter()
 267       .map(|a| Self {
 268         post_report: a.0.to_owned(),
 269         post: a.1.to_owned(),
 270         community: a.2.to_owned(),
 271         creator: a.3.to_owned(),
 272         post_creator: a.4.to_owned(),
 273         creator_banned_from_community: a.5.is_some(),
 274         my_vote: a.6,
 275         counts: a.7.to_owned(),
 276         resolver: a.8.to_owned(),
 277       })
 278       .collect::<Vec<Self>>()
 279   }
 280 }
 281
 282 #[cfg(test)]
 283 mod tests {
 284   use crate::post_report_view::{PostReportQueryBuilder, PostReportView};
 285   use lemmy_db_schema::{
 286     aggregates::post_aggregates::PostAggregates,
 287     establish_unpooled_connection,
 288     source::{
 289       community::*,
 290       person::*,
 291       post::*,
 292       post_report::{PostReport, PostReportForm},
 293     },
 294     traits::{Crud, Joinable, Reportable},
 295   };
 296   use serial_test::serial;
 297
 298   #[test]
 299   #[serial]
 300   fn test_crud() {
 301     let conn = establish_unpooled_connection();
 302
 303     let new_person = PersonForm {
 304       name: "timmy_prv".into(),
 305       ..PersonForm::default()
 306     };
 307
 308     let inserted_timmy = Person::create(&conn, &new_person).unwrap();
 309
 310     let new_person_2 = PersonForm {
 311       name: "sara_prv".into(),
 312       ..PersonForm::default()
 313     };
 314
 315     let inserted_sara = Person::create(&conn, &new_person_2).unwrap();
 316
 317     // Add a third person, since new ppl can only report something once.
 318     let new_person_3 = PersonForm {
 319       name: "jessica_prv".into(),
 320       ..PersonForm::default()
 321     };
 322
 323     let inserted_jessica = Person::create(&conn, &new_person_3).unwrap();
 324
 325     let new_community = CommunityForm {
 326       name: "test community prv".to_string(),
 327       title: "nada".to_owned(),
 328       ..CommunityForm::default()
 329     };
 330
 331     let inserted_community = Community::create(&conn, &new_community).unwrap();
 332
 333     // Make timmy a mod
 334     let timmy_moderator_form = CommunityModeratorForm {
 335       community_id: inserted_community.id,
 336       person_id: inserted_timmy.id,
 337     };
 338
 339     let _inserted_moderator = CommunityModerator::join(&conn, &timmy_moderator_form).unwrap();
 340
 341     let new_post = PostForm {
 342       name: "A test post crv".into(),
 343       creator_id: inserted_timmy.id,
 344       community_id: inserted_community.id,
 345       ..PostForm::default()
 346     };
 347
 348     let inserted_post = Post::create(&conn, &new_post).unwrap();
 349
 350     // sara reports
 351     let sara_report_form = PostReportForm {
 352       creator_id: inserted_sara.id,
 353       post_id: inserted_post.id,
 354       original_post_name: "Orig post".into(),
 355       original_post_url: None,
 356       original_post_body: None,
 357       reason: "from sara".into(),
 358     };
 359
 360     let inserted_sara_report = PostReport::report(&conn, &sara_report_form).unwrap();
 361
 362     // jessica reports
 363     let jessica_report_form = PostReportForm {
 364       creator_id: inserted_jessica.id,
 365       post_id: inserted_post.id,
 366       original_post_name: "Orig post".into(),
 367       original_post_url: None,
 368       original_post_body: None,
 369       reason: "from jessica".into(),
 370     };
 371
 372     let inserted_jessica_report = PostReport::report(&conn, &jessica_report_form).unwrap();
 373
 374     let agg = PostAggregates::read(&conn, inserted_post.id).unwrap();
 375
 376     let read_jessica_report_view =
 377       PostReportView::read(&conn, inserted_jessica_report.id, inserted_timmy.id).unwrap();
 378     let expected_jessica_report_view = PostReportView {
 379       post_report: inserted_jessica_report.to_owned(),
 380       post: inserted_post.to_owned(),
 381       community: CommunitySafe {
 382         id: inserted_community.id,
 383         name: inserted_community.name,
 384         icon: None,
 385         removed: false,
 386         deleted: false,
 387         nsfw: false,
 388         actor_id: inserted_community.actor_id.to_owned(),
 389         local: true,
 390         title: inserted_community.title,
 391         description: None,
 392         updated: None,
 393         banner: None,
 394         published: inserted_community.published,
 395       },
 396       creator: PersonSafe {
 397         id: inserted_jessica.id,
 398         name: inserted_jessica.name,
 399         display_name: None,
 400         published: inserted_jessica.published,
 401         avatar: None,
 402         actor_id: inserted_jessica.actor_id.to_owned(),
 403         local: true,
 404         banned: false,
 405         deleted: false,
 406         admin: false,
 407         bot_account: false,
 408         bio: None,
 409         banner: None,
 410         updated: None,
 411         inbox_url: inserted_jessica.inbox_url.to_owned(),
 412         shared_inbox_url: None,
 413         matrix_user_id: None,
 414       },
 415       post_creator: PersonSafeAlias1 {
 416         id: inserted_timmy.id,
 417         name: inserted_timmy.name.to_owned(),
 418         display_name: None,
 419         published: inserted_timmy.published,
 420         avatar: None,
 421         actor_id: inserted_timmy.actor_id.to_owned(),
 422         local: true,
 423         banned: false,
 424         deleted: false,
 425         admin: false,
 426         bot_account: false,
 427         bio: None,
 428         banner: None,
 429         updated: None,
 430         inbox_url: inserted_timmy.inbox_url.to_owned(),
 431         shared_inbox_url: None,
 432         matrix_user_id: None,
 433       },
 434       creator_banned_from_community: false,
 435       my_vote: None,
 436       counts: PostAggregates {
 437         id: agg.id,
 438         post_id: inserted_post.id,
 439         comments: 0,
 440         score: 0,
 441         upvotes: 0,
 442         downvotes: 0,
 443         stickied: false,
 444         published: agg.published,
 445         newest_comment_time_necro: inserted_post.published,
 446         newest_comment_time: inserted_post.published,
 447       },
 448       resolver: None,
 449     };
 450
 451     assert_eq!(read_jessica_report_view, expected_jessica_report_view);
 452
 453     let mut expected_sara_report_view = expected_jessica_report_view.clone();
 454     expected_sara_report_view.post_report = inserted_sara_report;
 455     expected_sara_report_view.my_vote = None;
 456     expected_sara_report_view.creator = PersonSafe {
 457       id: inserted_sara.id,
 458       name: inserted_sara.name,
 459       display_name: None,
 460       published: inserted_sara.published,
 461       avatar: None,
 462       actor_id: inserted_sara.actor_id.to_owned(),
 463       local: true,
 464       banned: false,
 465       deleted: false,
 466       admin: false,
 467       bot_account: false,
 468       bio: None,
 469       banner: None,
 470       updated: None,
 471       inbox_url: inserted_sara.inbox_url.to_owned(),
 472       shared_inbox_url: None,
 473       matrix_user_id: None,
 474     };
 475
 476     // Do a batch read of timmys reports
 477     let reports = PostReportQueryBuilder::create(&conn, inserted_timmy.id, false)
 478       .list()
 479       .unwrap();
 480
 481     assert_eq!(
 482       reports,
 483       [
 484         expected_sara_report_view.to_owned(),
 485         expected_jessica_report_view.to_owned()
 486       ]
 487     );
 488
 489     // Make sure the counts are correct
 490     let report_count =
 491       PostReportView::get_report_count(&conn, inserted_timmy.id, false, None).unwrap();
 492     assert_eq!(2, report_count);
 493
 494     // Try to resolve the report
 495     PostReport::resolve(&conn, inserted_jessica_report.id, inserted_timmy.id).unwrap();
 496     let read_jessica_report_view_after_resolve =
 497       PostReportView::read(&conn, inserted_jessica_report.id, inserted_timmy.id).unwrap();
 498
 499     let mut expected_jessica_report_view_after_resolve = expected_jessica_report_view;
 500     expected_jessica_report_view_after_resolve
 501       .post_report
 502       .resolved = true;
 503     expected_jessica_report_view_after_resolve
 504       .post_report
 505       .resolver_id = Some(inserted_timmy.id);
 506     expected_jessica_report_view_after_resolve
 507       .post_report
 508       .updated = read_jessica_report_view_after_resolve.post_report.updated;
 509     expected_jessica_report_view_after_resolve.resolver = Some(PersonSafeAlias2 {
 510       id: inserted_timmy.id,
 511       name: inserted_timmy.name.to_owned(),
 512       display_name: None,
 513       published: inserted_timmy.published,
 514       avatar: None,
 515       actor_id: inserted_timmy.actor_id.to_owned(),
 516       local: true,
 517       banned: false,
 518       deleted: false,
 519       admin: false,
 520       bot_account: false,
 521       bio: None,
 522       banner: None,
 523       updated: None,
 524       inbox_url: inserted_timmy.inbox_url.to_owned(),
 525       shared_inbox_url: None,
 526       matrix_user_id: None,
 527     });
 528
 529     assert_eq!(
 530       read_jessica_report_view_after_resolve,
 531       expected_jessica_report_view_after_resolve
 532     );
 533
 534     // Do a batch read of timmys reports
 535     // It should only show saras, which is unresolved
 536     let reports_after_resolve = PostReportQueryBuilder::create(&conn, inserted_timmy.id, false)
 537       .list()
 538       .unwrap();
 539     assert_eq!(reports_after_resolve[0], expected_sara_report_view);
 540
 541     // Make sure the counts are correct
 542     let report_count_after_resolved =
 543       PostReportView::get_report_count(&conn, inserted_timmy.id, false, None).unwrap();
 544     assert_eq!(1, report_count_after_resolved);
 545
 546     Person::delete(&conn, inserted_timmy.id).unwrap();
 547     Person::delete(&conn, inserted_sara.id).unwrap();
 548     Person::delete(&conn, inserted_jessica.id).unwrap();
 549     Community::delete(&conn, inserted_community.id).unwrap();
 550   }
 551 }