crates/db_queries/src/source/comment.rs

   1 use crate::{ApubObject, Crud, DeleteableOrRemoveable, Likeable, Saveable};
   2 use diesel::{dsl::*, result::Error, *};
   3 use lemmy_db_schema::{
   4   naive_now,
   5   source::comment::{
   6     Comment,
   7     CommentForm,
   8     CommentLike,
   9     CommentLikeForm,
  10     CommentSaved,
  11     CommentSavedForm,
  12   },
  13   CommentId,
  14   DbUrl,
  15   PersonId,
  16 };
  17
  18 pub trait Comment_ {
  19   fn update_ap_id(
  20     conn: &PgConnection,
  21     comment_id: CommentId,
  22     apub_id: DbUrl,
  23   ) -> Result<Comment, Error>;
  24   fn permadelete_for_creator(
  25     conn: &PgConnection,
  26     for_creator_id: PersonId,
  27   ) -> Result<Vec<Comment>, Error>;
  28   fn update_deleted(
  29     conn: &PgConnection,
  30     comment_id: CommentId,
  31     new_deleted: bool,
  32   ) -> Result<Comment, Error>;
  33   fn update_removed(
  34     conn: &PgConnection,
  35     comment_id: CommentId,
  36     new_removed: bool,
  37   ) -> Result<Comment, Error>;
  38   fn update_removed_for_creator(
  39     conn: &PgConnection,
  40     for_creator_id: PersonId,
  41     new_removed: bool,
  42   ) -> Result<Vec<Comment>, Error>;
  43   fn update_read(
  44     conn: &PgConnection,
  45     comment_id: CommentId,
  46     new_read: bool,
  47   ) -> Result<Comment, Error>;
  48   fn update_content(
  49     conn: &PgConnection,
  50     comment_id: CommentId,
  51     new_content: &str,
  52   ) -> Result<Comment, Error>;
  53 }
  54
  55 impl Comment_ for Comment {
  56   fn update_ap_id(
  57     conn: &PgConnection,
  58     comment_id: CommentId,
  59     apub_id: DbUrl,
  60   ) -> Result<Self, Error> {
  61     use lemmy_db_schema::schema::comment::dsl::*;
  62
  63     diesel::update(comment.find(comment_id))
  64       .set(ap_id.eq(apub_id))
  65       .get_result::<Self>(conn)
  66   }
  67
  68   fn permadelete_for_creator(
  69     conn: &PgConnection,
  70     for_creator_id: PersonId,
  71   ) -> Result<Vec<Self>, Error> {
  72     use lemmy_db_schema::schema::comment::dsl::*;
  73     diesel::update(comment.filter(creator_id.eq(for_creator_id)))
  74       .set((
  75         content.eq("*Permananently Deleted*"),
  76         deleted.eq(true),
  77         updated.eq(naive_now()),
  78       ))
  79       .get_results::<Self>(conn)
  80   }
  81
  82   fn update_deleted(
  83     conn: &PgConnection,
  84     comment_id: CommentId,
  85     new_deleted: bool,
  86   ) -> Result<Self, Error> {
  87     use lemmy_db_schema::schema::comment::dsl::*;
  88     diesel::update(comment.find(comment_id))
  89       .set((deleted.eq(new_deleted), updated.eq(naive_now())))
  90       .get_result::<Self>(conn)
  91   }
  92
  93   fn update_removed(
  94     conn: &PgConnection,
  95     comment_id: CommentId,
  96     new_removed: bool,
  97   ) -> Result<Self, Error> {
  98     use lemmy_db_schema::schema::comment::dsl::*;
  99     diesel::update(comment.find(comment_id))
 100       .set((removed.eq(new_removed), updated.eq(naive_now())))
 101       .get_result::<Self>(conn)
 102   }
 103
 104   fn update_removed_for_creator(
 105     conn: &PgConnection,
 106     for_creator_id: PersonId,
 107     new_removed: bool,
 108   ) -> Result<Vec<Self>, Error> {
 109     use lemmy_db_schema::schema::comment::dsl::*;
 110     diesel::update(comment.filter(creator_id.eq(for_creator_id)))
 111       .set((removed.eq(new_removed), updated.eq(naive_now())))
 112       .get_results::<Self>(conn)
 113   }
 114
 115   fn update_read(
 116     conn: &PgConnection,
 117     comment_id: CommentId,
 118     new_read: bool,
 119   ) -> Result<Self, Error> {
 120     use lemmy_db_schema::schema::comment::dsl::*;
 121     diesel::update(comment.find(comment_id))
 122       .set(read.eq(new_read))
 123       .get_result::<Self>(conn)
 124   }
 125
 126   fn update_content(
 127     conn: &PgConnection,
 128     comment_id: CommentId,
 129     new_content: &str,
 130   ) -> Result<Self, Error> {
 131     use lemmy_db_schema::schema::comment::dsl::*;
 132     diesel::update(comment.find(comment_id))
 133       .set((content.eq(new_content), updated.eq(naive_now())))
 134       .get_result::<Self>(conn)
 135   }
 136 }
 137
 138 impl Crud for Comment {
 139   type Form = CommentForm;
 140   type IdType = CommentId;
 141   fn read(conn: &PgConnection, comment_id: CommentId) -> Result<Self, Error> {
 142     use lemmy_db_schema::schema::comment::dsl::*;
 143     comment.find(comment_id).first::<Self>(conn)
 144   }
 145
 146   fn delete(conn: &PgConnection, comment_id: CommentId) -> Result<usize, Error> {
 147     use lemmy_db_schema::schema::comment::dsl::*;
 148     diesel::delete(comment.find(comment_id)).execute(conn)
 149   }
 150
 151   fn create(conn: &PgConnection, comment_form: &CommentForm) -> Result<Self, Error> {
 152     use lemmy_db_schema::schema::comment::dsl::*;
 153     insert_into(comment)
 154       .values(comment_form)
 155       .get_result::<Self>(conn)
 156   }
 157
 158   fn update(
 159     conn: &PgConnection,
 160     comment_id: CommentId,
 161     comment_form: &CommentForm,
 162   ) -> Result<Self, Error> {
 163     use lemmy_db_schema::schema::comment::dsl::*;
 164     diesel::update(comment.find(comment_id))
 165       .set(comment_form)
 166       .get_result::<Self>(conn)
 167   }
 168 }
 169
 170 impl ApubObject for Comment {
 171   type Form = CommentForm;
 172   fn read_from_apub_id(conn: &PgConnection, object_id: &DbUrl) -> Result<Self, Error> {
 173     use lemmy_db_schema::schema::comment::dsl::*;
 174     comment.filter(ap_id.eq(object_id)).first::<Self>(conn)
 175   }
 176
 177   fn upsert(conn: &PgConnection, comment_form: &CommentForm) -> Result<Self, Error> {
 178     use lemmy_db_schema::schema::comment::dsl::*;
 179     insert_into(comment)
 180       .values(comment_form)
 181       .on_conflict(ap_id)
 182       .do_update()
 183       .set(comment_form)
 184       .get_result::<Self>(conn)
 185   }
 186 }
 187
 188 impl Likeable for CommentLike {
 189   type Form = CommentLikeForm;
 190   type IdType = CommentId;
 191   fn like(conn: &PgConnection, comment_like_form: &CommentLikeForm) -> Result<Self, Error> {
 192     use lemmy_db_schema::schema::comment_like::dsl::*;
 193     insert_into(comment_like)
 194       .values(comment_like_form)
 195       .on_conflict((comment_id, person_id))
 196       .do_update()
 197       .set(comment_like_form)
 198       .get_result::<Self>(conn)
 199   }
 200   fn remove(
 201     conn: &PgConnection,
 202     person_id: PersonId,
 203     comment_id: CommentId,
 204   ) -> Result<usize, Error> {
 205     use lemmy_db_schema::schema::comment_like::dsl;
 206     diesel::delete(
 207       dsl::comment_like
 208         .filter(dsl::comment_id.eq(comment_id))
 209         .filter(dsl::person_id.eq(person_id)),
 210     )
 211     .execute(conn)
 212   }
 213 }
 214
 215 impl Saveable for CommentSaved {
 216   type Form = CommentSavedForm;
 217   fn save(conn: &PgConnection, comment_saved_form: &CommentSavedForm) -> Result<Self, Error> {
 218     use lemmy_db_schema::schema::comment_saved::dsl::*;
 219     insert_into(comment_saved)
 220       .values(comment_saved_form)
 221       .on_conflict((comment_id, person_id))
 222       .do_update()
 223       .set(comment_saved_form)
 224       .get_result::<Self>(conn)
 225   }
 226   fn unsave(conn: &PgConnection, comment_saved_form: &CommentSavedForm) -> Result<usize, Error> {
 227     use lemmy_db_schema::schema::comment_saved::dsl::*;
 228     diesel::delete(
 229       comment_saved
 230         .filter(comment_id.eq(comment_saved_form.comment_id))
 231         .filter(person_id.eq(comment_saved_form.person_id)),
 232     )
 233     .execute(conn)
 234   }
 235 }
 236
 237 impl DeleteableOrRemoveable for Comment {
 238   fn blank_out_deleted_or_removed_info(mut self) -> Self {
 239     self.content = "".into();
 240     self
 241   }
 242 }
 243
 244 #[cfg(test)]
 245 mod tests {
 246   use crate::{establish_unpooled_connection, Crud, Likeable, Saveable};
 247   use lemmy_db_schema::source::{
 248     comment::*,
 249     community::{Community, CommunityForm},
 250     person::{Person, PersonForm},
 251     post::*,
 252   };
 253   use serial_test::serial;
 254
 255   #[test]
 256   #[serial]
 257   fn test_crud() {
 258     let conn = establish_unpooled_connection();
 259
 260     let new_person = PersonForm {
 261       name: "terry".into(),
 262       ..PersonForm::default()
 263     };
 264
 265     let inserted_person = Person::create(&conn, &new_person).unwrap();
 266
 267     let new_community = CommunityForm {
 268       name: "test community".to_string(),
 269       title: "nada".to_owned(),
 270       ..CommunityForm::default()
 271     };
 272
 273     let inserted_community = Community::create(&conn, &new_community).unwrap();
 274
 275     let new_post = PostForm {
 276       name: "A test post".into(),
 277       creator_id: inserted_person.id,
 278       community_id: inserted_community.id,
 279       ..PostForm::default()
 280     };
 281
 282     let inserted_post = Post::create(&conn, &new_post).unwrap();
 283
 284     let comment_form = CommentForm {
 285       content: "A test comment".into(),
 286       creator_id: inserted_person.id,
 287       post_id: inserted_post.id,
 288       ..CommentForm::default()
 289     };
 290
 291     let inserted_comment = Comment::create(&conn, &comment_form).unwrap();
 292
 293     let expected_comment = Comment {
 294       id: inserted_comment.id,
 295       content: "A test comment".into(),
 296       creator_id: inserted_person.id,
 297       post_id: inserted_post.id,
 298       removed: false,
 299       deleted: false,
 300       read: false,
 301       parent_id: None,
 302       published: inserted_comment.published,
 303       updated: None,
 304       ap_id: inserted_comment.ap_id.to_owned(),
 305       local: true,
 306     };
 307
 308     let child_comment_form = CommentForm {
 309       content: "A child comment".into(),
 310       creator_id: inserted_person.id,
 311       post_id: inserted_post.id,
 312       parent_id: Some(inserted_comment.id),
 313       ..CommentForm::default()
 314     };
 315
 316     let inserted_child_comment = Comment::create(&conn, &child_comment_form).unwrap();
 317
 318     // Comment Like
 319     let comment_like_form = CommentLikeForm {
 320       comment_id: inserted_comment.id,
 321       post_id: inserted_post.id,
 322       person_id: inserted_person.id,
 323       score: 1,
 324     };
 325
 326     let inserted_comment_like = CommentLike::like(&conn, &comment_like_form).unwrap();
 327
 328     let expected_comment_like = CommentLike {
 329       id: inserted_comment_like.id,
 330       comment_id: inserted_comment.id,
 331       post_id: inserted_post.id,
 332       person_id: inserted_person.id,
 333       published: inserted_comment_like.published,
 334       score: 1,
 335     };
 336
 337     // Comment Saved
 338     let comment_saved_form = CommentSavedForm {
 339       comment_id: inserted_comment.id,
 340       person_id: inserted_person.id,
 341     };
 342
 343     let inserted_comment_saved = CommentSaved::save(&conn, &comment_saved_form).unwrap();
 344
 345     let expected_comment_saved = CommentSaved {
 346       id: inserted_comment_saved.id,
 347       comment_id: inserted_comment.id,
 348       person_id: inserted_person.id,
 349       published: inserted_comment_saved.published,
 350     };
 351
 352     let read_comment = Comment::read(&conn, inserted_comment.id).unwrap();
 353     let updated_comment = Comment::update(&conn, inserted_comment.id, &comment_form).unwrap();
 354     let like_removed = CommentLike::remove(&conn, inserted_person.id, inserted_comment.id).unwrap();
 355     let saved_removed = CommentSaved::unsave(&conn, &comment_saved_form).unwrap();
 356     let num_deleted = Comment::delete(&conn, inserted_comment.id).unwrap();
 357     Comment::delete(&conn, inserted_child_comment.id).unwrap();
 358     Post::delete(&conn, inserted_post.id).unwrap();
 359     Community::delete(&conn, inserted_community.id).unwrap();
 360     Person::delete(&conn, inserted_person.id).unwrap();
 361
 362     assert_eq!(expected_comment, read_comment);
 363     assert_eq!(expected_comment, inserted_comment);
 364     assert_eq!(expected_comment, updated_comment);
 365     assert_eq!(expected_comment_like, inserted_comment_like);
 366     assert_eq!(expected_comment_saved, inserted_comment_saved);
 367     assert_eq!(
 368       expected_comment.id,
 369       inserted_child_comment.parent_id.unwrap()
 370     );
 371     assert_eq!(1, like_removed);
 372     assert_eq!(1, saved_removed);
 373     assert_eq!(1, num_deleted);
 374   }
 375 }