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::*, DbUrl};
   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, i32> 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: DbUrl,
  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: &DbUrl) -> 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: &DbUrl,
  59   ) -> Result<Vec<Value>, Error>;
  60 }
  61
  62 impl Activity_ for Activity {
  63   fn insert<T>(
  64     conn: &PgConnection,
  65     ap_id: DbUrl,
  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: Some(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: &DbUrl) -> 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: &DbUrl,
 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           .sql(" ORDER BY activity.published DESC"),
 115       )
 116       .limit(20)
 117       .get_results(conn)?;
 118     Ok(res)
 119   }
 120 }
 121
 122 #[cfg(test)]
 123 mod tests {
 124   use super::*;
 125   use crate::{establish_unpooled_connection, source::activity::Activity_};
 126   use lemmy_db_schema::source::{
 127     activity::{Activity, ActivityForm},
 128     person::{Person, PersonForm},
 129   };
 130   use serde_json::Value;
 131   use serial_test::serial;
 132   use url::Url;
 133
 134   #[test]
 135   #[serial]
 136   fn test_crud() {
 137     let conn = establish_unpooled_connection();
 138
 139     let creator_form = PersonForm {
 140       name: "activity_creator_pm".into(),
 141       ..PersonForm::default()
 142     };
 143
 144     let inserted_creator = Person::create(&conn, &creator_form).unwrap();
 145
 146     let ap_id: DbUrl = Url::parse(
 147       "https://enterprise.lemmy.ml/activities/delete/f1b5d57c-80f8-4e03-a615-688d552e946c",
 148     )
 149     .unwrap()
 150     .into();
 151     let test_json: Value = serde_json::from_str(
 152       r#"{
 153     "@context": "https://www.w3.org/ns/activitystreams",
 154     "id": "https://enterprise.lemmy.ml/activities/delete/f1b5d57c-80f8-4e03-a615-688d552e946c",
 155     "type": "Delete",
 156     "actor": "https://enterprise.lemmy.ml/u/riker",
 157     "to": "https://www.w3.org/ns/activitystreams#Public",
 158     "cc": [
 159         "https://enterprise.lemmy.ml/c/main/"
 160     ],
 161     "object": "https://enterprise.lemmy.ml/post/32"
 162     }"#,
 163     )
 164     .unwrap();
 165     let activity_form = ActivityForm {
 166       ap_id: ap_id.clone(),
 167       data: test_json.to_owned(),
 168       local: Some(true),
 169       sensitive: false,
 170       updated: None,
 171     };
 172
 173     let inserted_activity = Activity::create(&conn, &activity_form).unwrap();
 174
 175     let expected_activity = Activity {
 176       ap_id: Some(ap_id.clone()),
 177       id: inserted_activity.id,
 178       data: test_json,
 179       local: true,
 180       sensitive: Some(false),
 181       published: inserted_activity.published,
 182       updated: None,
 183     };
 184
 185     let read_activity = Activity::read(&conn, inserted_activity.id).unwrap();
 186     let read_activity_by_apub_id = Activity::read_from_apub_id(&conn, &ap_id).unwrap();
 187     Person::delete(&conn, inserted_creator.id).unwrap();
 188     Activity::delete(&conn, inserted_activity.id).unwrap();
 189
 190     assert_eq!(expected_activity, read_activity);
 191     assert_eq!(expected_activity, read_activity_by_apub_id);
 192     assert_eq!(expected_activity, inserted_activity);
 193   }
 194 }