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<CommentForm, CommentId> for Comment {
 139   fn read(conn: &PgConnection, comment_id: CommentId) -> Result<Self, Error> {
 140     use lemmy_db_schema::schema::comment::dsl::*;
 141     comment.find(comment_id).first::<Self>(conn)
 142   }
 143
 144   fn delete(conn: &PgConnection, comment_id: CommentId) -> Result<usize, Error> {
 145     use lemmy_db_schema::schema::comment::dsl::*;
 146     diesel::delete(comment.find(comment_id)).execute(conn)
 147   }
 148
 149   fn create(conn: &PgConnection, comment_form: &CommentForm) -> Result<Self, Error> {
 150     use lemmy_db_schema::schema::comment::dsl::*;
 151     insert_into(comment)
 152       .values(comment_form)
 153       .get_result::<Self>(conn)
 154   }
 155
 156   fn update(
 157     conn: &PgConnection,
 158     comment_id: CommentId,
 159     comment_form: &CommentForm,
 160   ) -> Result<Self, Error> {
 161     use lemmy_db_schema::schema::comment::dsl::*;
 162     diesel::update(comment.find(comment_id))
 163       .set(comment_form)
 164       .get_result::<Self>(conn)
 165   }
 166 }
 167
 168 impl ApubObject<CommentForm> for Comment {
 169   fn read_from_apub_id(conn: &PgConnection, object_id: &DbUrl) -> Result<Self, Error> {
 170     use lemmy_db_schema::schema::comment::dsl::*;
 171     comment.filter(ap_id.eq(object_id)).first::<Self>(conn)
 172   }
 173
 174   fn upsert(conn: &PgConnection, comment_form: &CommentForm) -> Result<Self, Error> {
 175     use lemmy_db_schema::schema::comment::dsl::*;
 176     insert_into(comment)
 177       .values(comment_form)
 178       .on_conflict(ap_id)
 179       .do_update()
 180       .set(comment_form)
 181       .get_result::<Self>(conn)
 182   }
 183 }
 184
 185 impl Likeable<CommentLikeForm, CommentId> for CommentLike {
 186   fn like(conn: &PgConnection, comment_like_form: &CommentLikeForm) -> Result<Self, Error> {
 187     use lemmy_db_schema::schema::comment_like::dsl::*;
 188     insert_into(comment_like)
 189       .values(comment_like_form)
 190       .on_conflict((comment_id, person_id))
 191       .do_update()
 192       .set(comment_like_form)
 193       .get_result::<Self>(conn)
 194   }
 195   fn remove(
 196     conn: &PgConnection,
 197     person_id: PersonId,
 198     comment_id: CommentId,
 199   ) -> Result<usize, Error> {
 200     use lemmy_db_schema::schema::comment_like::dsl;
 201     diesel::delete(
 202       dsl::comment_like
 203         .filter(dsl::comment_id.eq(comment_id))
 204         .filter(dsl::person_id.eq(person_id)),
 205     )
 206     .execute(conn)
 207   }
 208 }
 209
 210 impl Saveable<CommentSavedForm> for CommentSaved {
 211   fn save(conn: &PgConnection, comment_saved_form: &CommentSavedForm) -> Result<Self, Error> {
 212     use lemmy_db_schema::schema::comment_saved::dsl::*;
 213     insert_into(comment_saved)
 214       .values(comment_saved_form)
 215       .on_conflict((comment_id, person_id))
 216       .do_update()
 217       .set(comment_saved_form)
 218       .get_result::<Self>(conn)
 219   }
 220   fn unsave(conn: &PgConnection, comment_saved_form: &CommentSavedForm) -> Result<usize, Error> {
 221     use lemmy_db_schema::schema::comment_saved::dsl::*;
 222     diesel::delete(
 223       comment_saved
 224         .filter(comment_id.eq(comment_saved_form.comment_id))
 225         .filter(person_id.eq(comment_saved_form.person_id)),
 226     )
 227     .execute(conn)
 228   }
 229 }
 230
 231 impl DeleteableOrRemoveable for Comment {
 232   fn blank_out_deleted_or_removed_info(mut self) -> Self {
 233     self.content = "".into();
 234     self
 235   }
 236 }
 237
 238 #[cfg(test)]
 239 mod tests {
 240   use crate::{establish_unpooled_connection, Crud, Likeable, Saveable};
 241   use lemmy_db_schema::source::{
 242     comment::*,
 243     community::{Community, CommunityForm},
 244     person::{Person, PersonForm},
 245     post::*,
 246   };
 247   use serial_test::serial;
 248
 249   #[test]
 250   #[serial]
 251   fn test_crud() {
 252     let conn = establish_unpooled_connection();
 253
 254     let new_person = PersonForm {
 255       name: "terry".into(),
 256       ..PersonForm::default()
 257     };
 258
 259     let inserted_person = Person::create(&conn, &new_person).unwrap();
 260
 261     let new_community = CommunityForm {
 262       name: "test community".to_string(),
 263       title: "nada".to_owned(),
 264       ..CommunityForm::default()
 265     };
 266
 267     let inserted_community = Community::create(&conn, &new_community).unwrap();
 268
 269     let new_post = PostForm {
 270       name: "A test post".into(),
 271       creator_id: inserted_person.id,
 272       community_id: inserted_community.id,
 273       ..PostForm::default()
 274     };
 275
 276     let inserted_post = Post::create(&conn, &new_post).unwrap();
 277
 278     let comment_form = CommentForm {
 279       content: "A test comment".into(),
 280       creator_id: inserted_person.id,
 281       post_id: inserted_post.id,
 282       ..CommentForm::default()
 283     };
 284
 285     let inserted_comment = Comment::create(&conn, &comment_form).unwrap();
 286
 287     let expected_comment = Comment {
 288       id: inserted_comment.id,
 289       content: "A test comment".into(),
 290       creator_id: inserted_person.id,
 291       post_id: inserted_post.id,
 292       removed: false,
 293       deleted: false,
 294       read: false,
 295       parent_id: None,
 296       published: inserted_comment.published,
 297       updated: None,
 298       ap_id: inserted_comment.ap_id.to_owned(),
 299       local: true,
 300     };
 301
 302     let child_comment_form = CommentForm {
 303       content: "A child comment".into(),
 304       creator_id: inserted_person.id,
 305       post_id: inserted_post.id,
 306       parent_id: Some(inserted_comment.id),
 307       ..CommentForm::default()
 308     };
 309
 310     let inserted_child_comment = Comment::create(&conn, &child_comment_form).unwrap();
 311
 312     // Comment Like
 313     let comment_like_form = CommentLikeForm {
 314       comment_id: inserted_comment.id,
 315       post_id: inserted_post.id,
 316       person_id: inserted_person.id,
 317       score: 1,
 318     };
 319
 320     let inserted_comment_like = CommentLike::like(&conn, &comment_like_form).unwrap();
 321
 322     let expected_comment_like = CommentLike {
 323       id: inserted_comment_like.id,
 324       comment_id: inserted_comment.id,
 325       post_id: inserted_post.id,
 326       person_id: inserted_person.id,
 327       published: inserted_comment_like.published,
 328       score: 1,
 329     };
 330
 331     // Comment Saved
 332     let comment_saved_form = CommentSavedForm {
 333       comment_id: inserted_comment.id,
 334       person_id: inserted_person.id,
 335     };
 336
 337     let inserted_comment_saved = CommentSaved::save(&conn, &comment_saved_form).unwrap();
 338
 339     let expected_comment_saved = CommentSaved {
 340       id: inserted_comment_saved.id,
 341       comment_id: inserted_comment.id,
 342       person_id: inserted_person.id,
 343       published: inserted_comment_saved.published,
 344     };
 345
 346     let read_comment = Comment::read(&conn, inserted_comment.id).unwrap();
 347     let updated_comment = Comment::update(&conn, inserted_comment.id, &comment_form).unwrap();
 348     let like_removed = CommentLike::remove(&conn, inserted_person.id, inserted_comment.id).unwrap();
 349     let saved_removed = CommentSaved::unsave(&conn, &comment_saved_form).unwrap();
 350     let num_deleted = Comment::delete(&conn, inserted_comment.id).unwrap();
 351     Comment::delete(&conn, inserted_child_comment.id).unwrap();
 352     Post::delete(&conn, inserted_post.id).unwrap();
 353     Community::delete(&conn, inserted_community.id).unwrap();
 354     Person::delete(&conn, inserted_person.id).unwrap();
 355
 356     assert_eq!(expected_comment, read_comment);
 357     assert_eq!(expected_comment, inserted_comment);
 358     assert_eq!(expected_comment, updated_comment);
 359     assert_eq!(expected_comment_like, inserted_comment_like);
 360     assert_eq!(expected_comment_saved, inserted_comment_saved);
 361     assert_eq!(
 362       expected_comment.id,
 363       inserted_child_comment.parent_id.unwrap()
 364     );
 365     assert_eq!(1, like_removed);
 366     assert_eq!(1, saved_removed);
 367     assert_eq!(1, num_deleted);
 368   }
 369 }