crates/db_schema/src/impls/post.rs

   1 use crate::{
   2   naive_now,
   3   newtypes::{CommunityId, DbUrl, PersonId, PostId},
   4   source::post::{
   5     Post,
   6     PostForm,
   7     PostLike,
   8     PostLikeForm,
   9     PostRead,
  10     PostReadForm,
  11     PostSaved,
  12     PostSavedForm,
  13   },
  14   traits::{Crud, DeleteableOrRemoveable, Likeable, Readable, Saveable},
  15 };
  16 use diesel::{dsl::*, result::Error, ExpressionMethods, PgConnection, QueryDsl, RunQueryDsl};
  17 use url::Url;
  18
  19 impl Crud for Post {
  20   type Form = PostForm;
  21   type IdType = PostId;
  22   fn read(conn: &PgConnection, post_id: PostId) -> Result<Self, Error> {
  23     use crate::schema::post::dsl::*;
  24     post.find(post_id).first::<Self>(conn)
  25   }
  26
  27   fn delete(conn: &PgConnection, post_id: PostId) -> Result<usize, Error> {
  28     use crate::schema::post::dsl::*;
  29     diesel::delete(post.find(post_id)).execute(conn)
  30   }
  31
  32   fn create(conn: &PgConnection, new_post: &PostForm) -> Result<Self, Error> {
  33     use crate::schema::post::dsl::*;
  34     insert_into(post).values(new_post).get_result::<Self>(conn)
  35   }
  36
  37   fn update(conn: &PgConnection, post_id: PostId, new_post: &PostForm) -> Result<Self, Error> {
  38     use crate::schema::post::dsl::*;
  39     diesel::update(post.find(post_id))
  40       .set(new_post)
  41       .get_result::<Self>(conn)
  42   }
  43 }
  44
  45 impl Post {
  46   pub fn list_for_community(
  47     conn: &PgConnection,
  48     the_community_id: CommunityId,
  49   ) -> Result<Vec<Self>, Error> {
  50     use crate::schema::post::dsl::*;
  51     post
  52       .filter(community_id.eq(the_community_id))
  53       .then_order_by(published.desc())
  54       .then_order_by(stickied.desc())
  55       .limit(20)
  56       .load::<Self>(conn)
  57   }
  58
  59   pub fn update_ap_id(conn: &PgConnection, post_id: PostId, apub_id: DbUrl) -> Result<Self, Error> {
  60     use crate::schema::post::dsl::*;
  61
  62     diesel::update(post.find(post_id))
  63       .set(ap_id.eq(apub_id))
  64       .get_result::<Self>(conn)
  65   }
  66
  67   pub fn permadelete_for_creator(
  68     conn: &PgConnection,
  69     for_creator_id: PersonId,
  70   ) -> Result<Vec<Self>, Error> {
  71     use crate::schema::post::dsl::*;
  72
  73     let perma_deleted = "*Permananently Deleted*";
  74     let perma_deleted_url = "https://deleted.com";
  75
  76     diesel::update(post.filter(creator_id.eq(for_creator_id)))
  77       .set((
  78         name.eq(perma_deleted),
  79         url.eq(perma_deleted_url),
  80         body.eq(perma_deleted),
  81         deleted.eq(true),
  82         updated.eq(naive_now()),
  83       ))
  84       .get_results::<Self>(conn)
  85   }
  86
  87   pub fn update_deleted(
  88     conn: &PgConnection,
  89     post_id: PostId,
  90     new_deleted: bool,
  91   ) -> Result<Self, Error> {
  92     use crate::schema::post::dsl::*;
  93     diesel::update(post.find(post_id))
  94       .set((deleted.eq(new_deleted), updated.eq(naive_now())))
  95       .get_result::<Self>(conn)
  96   }
  97
  98   pub fn update_removed(
  99     conn: &PgConnection,
 100     post_id: PostId,
 101     new_removed: bool,
 102   ) -> Result<Self, Error> {
 103     use crate::schema::post::dsl::*;
 104     diesel::update(post.find(post_id))
 105       .set((removed.eq(new_removed), updated.eq(naive_now())))
 106       .get_result::<Self>(conn)
 107   }
 108
 109   pub fn update_removed_for_creator(
 110     conn: &PgConnection,
 111     for_creator_id: PersonId,
 112     for_community_id: Option<CommunityId>,
 113     new_removed: bool,
 114   ) -> Result<Vec<Self>, Error> {
 115     use crate::schema::post::dsl::*;
 116
 117     let mut update = diesel::update(post).into_boxed();
 118     update = update.filter(creator_id.eq(for_creator_id));
 119
 120     if let Some(for_community_id) = for_community_id {
 121       update = update.filter(community_id.eq(for_community_id));
 122     }
 123
 124     update
 125       .set((removed.eq(new_removed), updated.eq(naive_now())))
 126       .get_results::<Self>(conn)
 127   }
 128
 129   pub fn update_locked(
 130     conn: &PgConnection,
 131     post_id: PostId,
 132     new_locked: bool,
 133   ) -> Result<Self, Error> {
 134     use crate::schema::post::dsl::*;
 135     diesel::update(post.find(post_id))
 136       .set(locked.eq(new_locked))
 137       .get_result::<Self>(conn)
 138   }
 139
 140   pub fn update_stickied(
 141     conn: &PgConnection,
 142     post_id: PostId,
 143     new_stickied: bool,
 144   ) -> Result<Self, Error> {
 145     use crate::schema::post::dsl::*;
 146     diesel::update(post.find(post_id))
 147       .set(stickied.eq(new_stickied))
 148       .get_result::<Self>(conn)
 149   }
 150
 151   pub fn is_post_creator(person_id: PersonId, post_creator_id: PersonId) -> bool {
 152     person_id == post_creator_id
 153   }
 154
 155   pub fn upsert(conn: &PgConnection, post_form: &PostForm) -> Result<Post, Error> {
 156     use crate::schema::post::dsl::*;
 157     insert_into(post)
 158       .values(post_form)
 159       .on_conflict(ap_id)
 160       .do_update()
 161       .set(post_form)
 162       .get_result::<Self>(conn)
 163   }
 164   pub fn read_from_apub_id(conn: &PgConnection, object_id: Url) -> Result<Option<Self>, Error> {
 165     use crate::schema::post::dsl::*;
 166     let object_id: DbUrl = object_id.into();
 167     Ok(
 168       post
 169         .filter(ap_id.eq(object_id))
 170         .first::<Post>(conn)
 171         .ok()
 172         .map(Into::into),
 173     )
 174   }
 175 }
 176
 177 impl Likeable for PostLike {
 178   type Form = PostLikeForm;
 179   type IdType = PostId;
 180   fn like(conn: &PgConnection, post_like_form: &PostLikeForm) -> Result<Self, Error> {
 181     use crate::schema::post_like::dsl::*;
 182     insert_into(post_like)
 183       .values(post_like_form)
 184       .on_conflict((post_id, person_id))
 185       .do_update()
 186       .set(post_like_form)
 187       .get_result::<Self>(conn)
 188   }
 189   fn remove(conn: &PgConnection, person_id: PersonId, post_id: PostId) -> Result<usize, Error> {
 190     use crate::schema::post_like::dsl;
 191     diesel::delete(
 192       dsl::post_like
 193         .filter(dsl::post_id.eq(post_id))
 194         .filter(dsl::person_id.eq(person_id)),
 195     )
 196     .execute(conn)
 197   }
 198 }
 199
 200 impl Saveable for PostSaved {
 201   type Form = PostSavedForm;
 202   fn save(conn: &PgConnection, post_saved_form: &PostSavedForm) -> Result<Self, Error> {
 203     use crate::schema::post_saved::dsl::*;
 204     insert_into(post_saved)
 205       .values(post_saved_form)
 206       .on_conflict((post_id, person_id))
 207       .do_update()
 208       .set(post_saved_form)
 209       .get_result::<Self>(conn)
 210   }
 211   fn unsave(conn: &PgConnection, post_saved_form: &PostSavedForm) -> Result<usize, Error> {
 212     use crate::schema::post_saved::dsl::*;
 213     diesel::delete(
 214       post_saved
 215         .filter(post_id.eq(post_saved_form.post_id))
 216         .filter(person_id.eq(post_saved_form.person_id)),
 217     )
 218     .execute(conn)
 219   }
 220 }
 221
 222 impl Readable for PostRead {
 223   type Form = PostReadForm;
 224   fn mark_as_read(conn: &PgConnection, post_read_form: &PostReadForm) -> Result<Self, Error> {
 225     use crate::schema::post_read::dsl::*;
 226     insert_into(post_read)
 227       .values(post_read_form)
 228       .on_conflict((post_id, person_id))
 229       .do_update()
 230       .set(post_read_form)
 231       .get_result::<Self>(conn)
 232   }
 233
 234   fn mark_as_unread(conn: &PgConnection, post_read_form: &PostReadForm) -> Result<usize, Error> {
 235     use crate::schema::post_read::dsl::*;
 236     diesel::delete(
 237       post_read
 238         .filter(post_id.eq(post_read_form.post_id))
 239         .filter(person_id.eq(post_read_form.person_id)),
 240     )
 241     .execute(conn)
 242   }
 243 }
 244
 245 impl DeleteableOrRemoveable for Post {
 246   fn blank_out_deleted_or_removed_info(mut self) -> Self {
 247     self.name = "".into();
 248     self.url = None;
 249     self.body = None;
 250     self.embed_title = None;
 251     self.embed_description = None;
 252     self.embed_html = None;
 253     self.thumbnail_url = None;
 254
 255     self
 256   }
 257 }
 258
 259 #[cfg(test)]
 260 mod tests {
 261   use crate::{
 262     establish_unpooled_connection,
 263     source::{
 264       community::{Community, CommunityForm},
 265       person::*,
 266       post::*,
 267     },
 268     traits::{Crud, Likeable, Readable, Saveable},
 269   };
 270   use serial_test::serial;
 271
 272   #[test]
 273   #[serial]
 274   fn test_crud() {
 275     let conn = establish_unpooled_connection();
 276
 277     let new_person = PersonForm {
 278       name: "jim".into(),
 279       ..PersonForm::default()
 280     };
 281
 282     let inserted_person = Person::create(&conn, &new_person).unwrap();
 283
 284     let new_community = CommunityForm {
 285       name: "test community_3".to_string(),
 286       title: "nada".to_owned(),
 287       ..CommunityForm::default()
 288     };
 289
 290     let inserted_community = Community::create(&conn, &new_community).unwrap();
 291
 292     let new_post = PostForm {
 293       name: "A test post".into(),
 294       creator_id: inserted_person.id,
 295       community_id: inserted_community.id,
 296       ..PostForm::default()
 297     };
 298
 299     let inserted_post = Post::create(&conn, &new_post).unwrap();
 300
 301     let expected_post = Post {
 302       id: inserted_post.id,
 303       name: "A test post".into(),
 304       url: None,
 305       body: None,
 306       creator_id: inserted_person.id,
 307       community_id: inserted_community.id,
 308       published: inserted_post.published,
 309       removed: false,
 310       locked: false,
 311       stickied: false,
 312       nsfw: false,
 313       deleted: false,
 314       updated: None,
 315       embed_title: None,
 316       embed_description: None,
 317       embed_html: None,
 318       thumbnail_url: None,
 319       ap_id: inserted_post.ap_id.to_owned(),
 320       local: true,
 321     };
 322
 323     // Post Like
 324     let post_like_form = PostLikeForm {
 325       post_id: inserted_post.id,
 326       person_id: inserted_person.id,
 327       score: 1,
 328     };
 329
 330     let inserted_post_like = PostLike::like(&conn, &post_like_form).unwrap();
 331
 332     let expected_post_like = PostLike {
 333       id: inserted_post_like.id,
 334       post_id: inserted_post.id,
 335       person_id: inserted_person.id,
 336       published: inserted_post_like.published,
 337       score: 1,
 338     };
 339
 340     // Post Save
 341     let post_saved_form = PostSavedForm {
 342       post_id: inserted_post.id,
 343       person_id: inserted_person.id,
 344     };
 345
 346     let inserted_post_saved = PostSaved::save(&conn, &post_saved_form).unwrap();
 347
 348     let expected_post_saved = PostSaved {
 349       id: inserted_post_saved.id,
 350       post_id: inserted_post.id,
 351       person_id: inserted_person.id,
 352       published: inserted_post_saved.published,
 353     };
 354
 355     // Post Read
 356     let post_read_form = PostReadForm {
 357       post_id: inserted_post.id,
 358       person_id: inserted_person.id,
 359     };
 360
 361     let inserted_post_read = PostRead::mark_as_read(&conn, &post_read_form).unwrap();
 362
 363     let expected_post_read = PostRead {
 364       id: inserted_post_read.id,
 365       post_id: inserted_post.id,
 366       person_id: inserted_person.id,
 367       published: inserted_post_read.published,
 368     };
 369
 370     let read_post = Post::read(&conn, inserted_post.id).unwrap();
 371     let updated_post = Post::update(&conn, inserted_post.id, &new_post).unwrap();
 372     let like_removed = PostLike::remove(&conn, inserted_person.id, inserted_post.id).unwrap();
 373     let saved_removed = PostSaved::unsave(&conn, &post_saved_form).unwrap();
 374     let read_removed = PostRead::mark_as_unread(&conn, &post_read_form).unwrap();
 375     let num_deleted = Post::delete(&conn, inserted_post.id).unwrap();
 376     Community::delete(&conn, inserted_community.id).unwrap();
 377     Person::delete(&conn, inserted_person.id).unwrap();
 378
 379     assert_eq!(expected_post, read_post);
 380     assert_eq!(expected_post, inserted_post);
 381     assert_eq!(expected_post, updated_post);
 382     assert_eq!(expected_post_like, inserted_post_like);
 383     assert_eq!(expected_post_saved, inserted_post_saved);
 384     assert_eq!(expected_post_read, inserted_post_read);
 385     assert_eq!(1, like_removed);
 386     assert_eq!(1, saved_removed);
 387     assert_eq!(1, read_removed);
 388     assert_eq!(1, num_deleted);
 389   }
 390 }