server/src/db/post_view.rs

   1 use super::*;
   2
   3 #[derive(EnumString,ToString,Debug, Serialize, Deserialize)]
   4 pub enum PostListingType {
   5   All, Subscribed, Community
   6 }
   7
   8 // The faked schema since diesel doesn't do views
   9 table! {
  10   post_view (id) {
  11     id -> Int4,
  12     name -> Varchar,
  13     url -> Nullable<Text>,
  14     body -> Nullable<Text>,
  15     creator_id -> Int4,
  16     community_id -> Int4,
  17     removed -> Bool,
  18     locked -> Bool,
  19     published -> Timestamp,
  20     updated -> Nullable<Timestamp>,
  21     deleted -> Bool,
  22     nsfw -> Bool,
  23     creator_name -> Varchar,
  24     community_name -> Varchar,
  25     community_removed -> Bool,
  26     community_deleted -> Bool,
  27     community_nsfw -> Bool,
  28     number_of_comments -> BigInt,
  29     score -> BigInt,
  30     upvotes -> BigInt,
  31     downvotes -> BigInt,
  32     hot_rank -> Int4,
  33     user_id -> Nullable<Int4>,
  34     my_vote -> Nullable<Int4>,
  35     subscribed -> Nullable<Bool>,
  36     read -> Nullable<Bool>,
  37     saved -> Nullable<Bool>,
  38   }
  39 }
  40
  41
  42 #[derive(Queryable, Identifiable, PartialEq, Debug, Serialize, Deserialize,QueryableByName,Clone)]
  43 #[table_name="post_view"]
  44 pub struct PostView {
  45   pub id: i32,
  46   pub name: String,
  47   pub url: Option<String>,
  48   pub body: Option<String>,
  49   pub creator_id: i32,
  50   pub community_id: i32,
  51   pub removed: bool,
  52   pub locked: bool,
  53   pub published: chrono::NaiveDateTime,
  54   pub updated: Option<chrono::NaiveDateTime>,
  55   pub deleted: bool,
  56   pub nsfw: bool,
  57   pub creator_name: String,
  58   pub community_name: String,
  59   pub community_removed: bool,
  60   pub community_deleted: bool,
  61   pub community_nsfw: bool,
  62   pub number_of_comments: i64,
  63   pub score: i64,
  64   pub upvotes: i64,
  65   pub downvotes: i64,
  66   pub hot_rank: i32,
  67   pub user_id: Option<i32>,
  68   pub my_vote: Option<i32>,
  69   pub subscribed: Option<bool>,
  70   pub read: Option<bool>,
  71   pub saved: Option<bool>,
  72 }
  73
  74 impl PostView {
  75   pub fn list(
  76     conn: &PgConnection,
  77     type_: PostListingType,
  78     sort: &SortType,
  79     for_community_id: Option<i32>,
  80     for_creator_id: Option<i32>,
  81     search_term: Option<String>,
  82     url_search: Option<String>,
  83     my_user_id: Option<i32>,
  84     show_nsfw: bool,
  85     saved_only: bool,
  86     unread_only: bool,
  87     page: Option<i64>,
  88     limit: Option<i64>,
  89     ) -> Result<Vec<Self>, Error> {
  90     use super::post_view::post_view::dsl::*;
  91
  92     let (limit, offset) = limit_and_offset(page, limit);
  93
  94     let mut query = post_view.into_boxed();
  95
  96     if let Some(for_community_id) = for_community_id {
  97       query = query.filter(community_id.eq(for_community_id));
  98     };
  99
 100     if let Some(for_creator_id) = for_creator_id {
 101       query = query.filter(creator_id.eq(for_creator_id));
 102     };
 103
 104     if let Some(search_term) = search_term {
 105       query = query.filter(name.ilike(fuzzy_search(&search_term)));
 106     };
 107
 108     if let Some(url_search) = url_search {
 109       query = query.filter(url.eq(url_search));
 110     };
 111
 112     // TODO these are wrong, bc they'll only show saved for your logged in user, not theirs
 113     if saved_only {
 114       query = query.filter(saved.eq(true));
 115     };
 116
 117     if unread_only {
 118       query = query.filter(read.eq(false));
 119     };
 120
 121     match type_ {
 122       PostListingType::Subscribed  => {
 123         query = query.filter(subscribed.eq(true));
 124       },
 125       _ => {}
 126     };
 127
 128     // The view lets you pass a null user_id, if you're not logged in
 129     if let Some(my_user_id) = my_user_id {
 130       query = query.filter(user_id.eq(my_user_id));
 131     } else {
 132       query = query.filter(user_id.is_null());
 133     }
 134
 135     if !show_nsfw {
 136       query = query
 137         .filter(nsfw.eq(false))
 138         .filter(community_nsfw.eq(false));
 139     };
 140
 141     query = match sort {
 142       SortType::Hot => query.order_by(hot_rank.desc())
 143         .then_order_by(published.desc()),
 144       SortType::New => query.order_by(published.desc()),
 145       SortType::TopAll => query.order_by(score.desc()),
 146       SortType::TopYear => query
 147         .filter(published.gt(now - 1.years()))
 148         .order_by(score.desc()),
 149         SortType::TopMonth => query
 150           .filter(published.gt(now - 1.months()))
 151           .order_by(score.desc()),
 152           SortType::TopWeek => query
 153             .filter(published.gt(now - 1.weeks()))
 154             .order_by(score.desc()),
 155             SortType::TopDay => query
 156               .filter(published.gt(now - 1.days()))
 157               .order_by(score.desc())
 158     };
 159
 160     query = query
 161       .limit(limit)
 162       .offset(offset)
 163       .filter(removed.eq(false))
 164       .filter(deleted.eq(false))
 165       .filter(community_removed.eq(false))
 166       .filter(community_deleted.eq(false));
 167
 168     query.load::<Self>(conn)
 169   }
 170
 171
 172   pub fn read(conn: &PgConnection, from_post_id: i32, my_user_id: Option<i32>) -> Result<Self, Error> {
 173
 174     use super::post_view::post_view::dsl::*;
 175     use diesel::prelude::*;
 176
 177     let mut query = post_view.into_boxed();
 178
 179     query = query.filter(id.eq(from_post_id));
 180
 181     if let Some(my_user_id) = my_user_id {
 182       query = query.filter(user_id.eq(my_user_id));
 183     } else {
 184       query = query.filter(user_id.is_null());
 185     };
 186
 187     query.first::<Self>(conn)
 188   }
 189 }
 190
 191
 192
 193 #[cfg(test)]
 194 mod tests {
 195   use super::*;
 196   use super::super::community::*;
 197   use super::super::user::*;
 198   use super::super::post::*;
 199   #[test]
 200   fn test_crud() {
 201     let conn = establish_connection();
 202
 203     let user_name = "tegan".to_string();
 204     let community_name = "test_community_3".to_string();
 205     let post_name = "test post 3".to_string();
 206
 207     let new_user = UserForm {
 208       name: user_name.to_owned(),
 209       fedi_name: "rrf".into(),
 210       preferred_username: None,
 211       password_encrypted: "nope".into(),
 212       email: None,
 213       updated: None,
 214       admin: false,
 215       banned: false,
 216       show_nsfw: false,
 217     };
 218
 219     let inserted_user = User_::create(&conn, &new_user).unwrap();
 220
 221     let new_community = CommunityForm {
 222       name: community_name.to_owned(),
 223       title: "nada".to_owned(),
 224       description: None,
 225       creator_id: inserted_user.id,
 226       category_id: 1,
 227       removed: None,
 228       deleted: None,
 229       updated: None,
 230       nsfw: false,
 231     };
 232
 233     let inserted_community = Community::create(&conn, &new_community).unwrap();
 234
 235     let new_post = PostForm {
 236       name: post_name.to_owned(),
 237       url: None,
 238       body: None,
 239       creator_id: inserted_user.id,
 240       community_id: inserted_community.id,
 241       removed: None,
 242       deleted: None,
 243       locked: None,
 244       updated: None,
 245       nsfw: false,
 246     };
 247
 248     let inserted_post = Post::create(&conn, &new_post).unwrap();
 249
 250     let post_like_form = PostLikeForm {
 251       post_id: inserted_post.id,
 252       user_id: inserted_user.id,
 253       score: 1
 254     };
 255
 256     let inserted_post_like = PostLike::like(&conn, &post_like_form).unwrap();
 257
 258     let expected_post_like = PostLike {
 259       id: inserted_post_like.id,
 260       post_id: inserted_post.id,
 261       user_id: inserted_user.id,
 262       published: inserted_post_like.published,
 263       score: 1
 264     };
 265
 266     let post_like_form = PostLikeForm {
 267       post_id: inserted_post.id,
 268       user_id: inserted_user.id,
 269       score: 1
 270     };
 271
 272     // the non user version
 273     let expected_post_listing_no_user = PostView {
 274       user_id: None,
 275       my_vote: None,
 276       id: inserted_post.id,
 277       name: post_name.to_owned(),
 278       url: None,
 279       body: None,
 280       creator_id: inserted_user.id,
 281       creator_name: user_name.to_owned(),
 282       community_id: inserted_community.id,
 283       removed: false,
 284       deleted: false,
 285       locked: false,
 286       community_name: community_name.to_owned(),
 287       community_removed: false,
 288       community_deleted: false,
 289       community_nsfw: false,
 290       number_of_comments: 0,
 291       score: 1,
 292       upvotes: 1,
 293       downvotes: 0,
 294       hot_rank: 1728,
 295       published: inserted_post.published,
 296       updated: None,
 297       subscribed: None,
 298       read: None,
 299       saved: None,
 300       nsfw: false,
 301     };
 302
 303     let expected_post_listing_with_user = PostView {
 304       user_id: Some(inserted_user.id),
 305       my_vote: Some(1),
 306       id: inserted_post.id,
 307       name: post_name.to_owned(),
 308       url: None,
 309       body: None,
 310       removed: false,
 311       deleted: false,
 312       locked: false,
 313       creator_id: inserted_user.id,
 314       creator_name: user_name.to_owned(),
 315       community_id: inserted_community.id,
 316       community_name: community_name.to_owned(),
 317       community_removed: false,
 318       community_deleted: false,
 319       community_nsfw: false,
 320       number_of_comments: 0,
 321       score: 1,
 322       upvotes: 1,
 323       downvotes: 0,
 324       hot_rank: 1728,
 325       published: inserted_post.published,
 326       updated: None,
 327       subscribed: None,
 328       read: None,
 329       saved: None,
 330       nsfw: false,
 331     };
 332
 333
 334     let read_post_listings_with_user = PostView::list(
 335       &conn,
 336       PostListingType::Community,
 337       &SortType::New,
 338       Some(inserted_community.id),
 339       None,
 340       None,
 341       None,
 342       Some(inserted_user.id),
 343       false,
 344       false,
 345       false,
 346       None,
 347       None).unwrap();
 348     let read_post_listings_no_user = PostView::list(
 349       &conn,
 350       PostListingType::Community,
 351       &SortType::New,
 352       Some(inserted_community.id),
 353       None,
 354       None,
 355       None,
 356       None,
 357       false,
 358       false,
 359       false,
 360       None,
 361       None).unwrap();
 362     let read_post_listing_no_user = PostView::read(&conn, inserted_post.id, None).unwrap();
 363     let read_post_listing_with_user = PostView::read(&conn, inserted_post.id, Some(inserted_user.id)).unwrap();
 364
 365     let like_removed = PostLike::remove(&conn, &post_like_form).unwrap();
 366     let num_deleted = Post::delete(&conn, inserted_post.id).unwrap();
 367     Community::delete(&conn, inserted_community.id).unwrap();
 368     User_::delete(&conn, inserted_user.id).unwrap();
 369
 370     // The with user
 371     assert_eq!(expected_post_listing_with_user, read_post_listings_with_user[0]);
 372     assert_eq!(expected_post_listing_with_user, read_post_listing_with_user);
 373     assert_eq!(1, read_post_listings_with_user.len());
 374
 375     // Without the user
 376     assert_eq!(expected_post_listing_no_user, read_post_listings_no_user[0]);
 377     assert_eq!(expected_post_listing_no_user, read_post_listing_no_user);
 378     assert_eq!(1, read_post_listings_no_user.len());
 379
 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!(1, like_removed);
 384     assert_eq!(1, num_deleted);
 385   }
 386 }