crates/db_queries/src/source/activity.rs

   1 use crate::Crud;
   2 use diesel::{dsl::*, result::Error, sql_types::Text, *};
   3 use lemmy_db_schema::{source::activity::*, Url};
   4 use log::debug;
   5 use serde::Serialize;
   6 use serde_json::Value;
   7 use std::{
   8   fmt::Debug,
   9   io::{Error as IoError, ErrorKind},
  10 };
  11
  12 impl Crud<ActivityForm> for Activity {
  13   fn read(conn: &PgConnection, activity_id: i32) -> Result<Self, Error> {
  14     use lemmy_db_schema::schema::activity::dsl::*;
  15     activity.find(activity_id).first::<Self>(conn)
  16   }
  17
  18   fn create(conn: &PgConnection, new_activity: &ActivityForm) -> Result<Self, Error> {
  19     use lemmy_db_schema::schema::activity::dsl::*;
  20     insert_into(activity)
  21       .values(new_activity)
  22       .get_result::<Self>(conn)
  23   }
  24
  25   fn update(
  26     conn: &PgConnection,
  27     activity_id: i32,
  28     new_activity: &ActivityForm,
  29   ) -> Result<Self, Error> {
  30     use lemmy_db_schema::schema::activity::dsl::*;
  31     diesel::update(activity.find(activity_id))
  32       .set(new_activity)
  33       .get_result::<Self>(conn)
  34   }
  35   fn delete(conn: &PgConnection, activity_id: i32) -> Result<usize, Error> {
  36     use lemmy_db_schema::schema::activity::dsl::*;
  37     diesel::delete(activity.find(activity_id)).execute(conn)
  38   }
  39 }
  40
  41 pub trait Activity_ {
  42   fn insert<T>(
  43     conn: &PgConnection,
  44     ap_id: String,
  45     data: &T,
  46     local: bool,
  47     sensitive: bool,
  48   ) -> Result<Activity, IoError>
  49   where
  50     T: Serialize + Debug;
  51
  52   fn read_from_apub_id(conn: &PgConnection, object_id: &str) -> Result<Activity, Error>;
  53   fn delete_olds(conn: &PgConnection) -> Result<usize, Error>;
  54
  55   /// Returns up to 20 activities of type `Announce/Create/Page` from the community
  56   fn read_community_outbox(
  57     conn: &PgConnection,
  58     community_actor_id: &Url,
  59   ) -> Result<Vec<Value>, Error>;
  60 }
  61
  62 impl Activity_ for Activity {
  63   fn insert<T>(
  64     conn: &PgConnection,
  65     ap_id: String,
  66     data: &T,
  67     local: bool,
  68     sensitive: bool,
  69   ) -> Result<Activity, IoError>
  70   where
  71     T: Serialize + Debug,
  72   {
  73     debug!("{}", serde_json::to_string_pretty(&data)?);
  74     let activity_form = ActivityForm {
  75       ap_id,
  76       data: serde_json::to_value(&data)?,
  77       local,
  78       sensitive,
  79       updated: None,
  80     };
  81     let result = Activity::create(&conn, &activity_form);
  82     match result {
  83       Ok(s) => Ok(s),
  84       Err(e) => Err(IoError::new(
  85         ErrorKind::Other,
  86         format!("Failed to insert activity into database: {}", e),
  87       )),
  88     }
  89   }
  90
  91   fn read_from_apub_id(conn: &PgConnection, object_id: &str) -> Result<Activity, Error> {
  92     use lemmy_db_schema::schema::activity::dsl::*;
  93     activity.filter(ap_id.eq(object_id)).first::<Self>(conn)
  94   }
  95
  96   fn delete_olds(conn: &PgConnection) -> Result<usize, Error> {
  97     use lemmy_db_schema::schema::activity::dsl::*;
  98     diesel::delete(activity.filter(published.lt(now - 6.months()))).execute(conn)
  99   }
 100
 101   fn read_community_outbox(
 102     conn: &PgConnection,
 103     community_actor_id: &Url,
 104   ) -> Result<Vec<Value>, Error> {
 105     use lemmy_db_schema::schema::activity::dsl::*;
 106     let res: Vec<Value> = activity
 107       .select(data)
 108       .filter(
 109         sql("activity.data ->> 'type' = 'Announce'")
 110           .sql(" AND activity.data -> 'object' ->> 'type' = 'Create'")
 111           .sql(" AND activity.data -> 'object' -> 'object' ->> 'type' = 'Page'")
 112           .sql(" AND activity.data ->> 'actor' = ")
 113           .bind::<Text, _>(community_actor_id),
 114       )
 115       .limit(20)
 116       .get_results(conn)?;
 117     Ok(res)
 118   }
 119 }
 120
 121 #[cfg(test)]
 122 mod tests {
 123   use crate::{
 124     establish_unpooled_connection,
 125     source::activity::Activity_,
 126     Crud,
 127     ListingType,
 128     SortType,
 129   };
 130   use lemmy_db_schema::source::{
 131     activity::{Activity, ActivityForm},
 132     user::{UserForm, User_},
 133   };
 134   use serde_json::Value;
 135
 136   #[test]
 137   fn test_crud() {
 138     let conn = establish_unpooled_connection();
 139
 140     let creator_form = UserForm {
 141       name: "activity_creator_pm".into(),
 142       preferred_username: None,
 143       password_encrypted: "nope".into(),
 144       email: None,
 145       matrix_user_id: None,
 146       avatar: None,
 147       banner: None,
 148       admin: false,
 149       banned: Some(false),
 150       published: None,
 151       updated: None,
 152       show_nsfw: false,
 153       theme: "browser".into(),
 154       default_sort_type: SortType::Hot as i16,
 155       default_listing_type: ListingType::Subscribed as i16,
 156       lang: "browser".into(),
 157       show_avatars: true,
 158       send_notifications_to_email: false,
 159       actor_id: None,
 160       bio: None,
 161       local: true,
 162       private_key: None,
 163       public_key: None,
 164       last_refreshed_at: None,
 165     };
 166
 167     let inserted_creator = User_::create(&conn, &creator_form).unwrap();
 168
 169     let ap_id =
 170       "https://enterprise.lemmy.ml/activities/delete/f1b5d57c-80f8-4e03-a615-688d552e946c";
 171     let test_json: Value = serde_json::from_str(
 172       r#"{
 173     "@context": "https://www.w3.org/ns/activitystreams",
 174     "id": "https://enterprise.lemmy.ml/activities/delete/f1b5d57c-80f8-4e03-a615-688d552e946c",
 175     "type": "Delete",
 176     "actor": "https://enterprise.lemmy.ml/u/riker",
 177     "to": "https://www.w3.org/ns/activitystreams#Public",
 178     "cc": [
 179         "https://enterprise.lemmy.ml/c/main/"
 180     ],
 181     "object": "https://enterprise.lemmy.ml/post/32"
 182     }"#,
 183     )
 184     .unwrap();
 185     let activity_form = ActivityForm {
 186       ap_id: ap_id.to_string(),
 187       data: test_json.to_owned(),
 188       local: true,
 189       sensitive: false,
 190       updated: None,
 191     };
 192
 193     let inserted_activity = Activity::create(&conn, &activity_form).unwrap();
 194
 195     let expected_activity = Activity {
 196       ap_id: Some(ap_id.to_string()),
 197       id: inserted_activity.id,
 198       data: test_json,
 199       local: true,
 200       sensitive: Some(false),
 201       published: inserted_activity.published,
 202       updated: None,
 203     };
 204
 205     let read_activity = Activity::read(&conn, inserted_activity.id).unwrap();
 206     let read_activity_by_apub_id = Activity::read_from_apub_id(&conn, ap_id).unwrap();
 207     User_::delete(&conn, inserted_creator.id).unwrap();
 208     Activity::delete(&conn, inserted_activity.id).unwrap();
 209
 210     assert_eq!(expected_activity, read_activity);
 211     assert_eq!(expected_activity, read_activity_by_apub_id);
 212     assert_eq!(expected_activity, inserted_activity);
 213   }
 214 }