Add method to get user’s followers
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@ -64,7 +64,46 @@ impl User {
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None
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}
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}
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})
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.collect::<Vec<User>>())
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}
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#[graphql(description = "Who follows this user")]
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pub fn followers(&self, context: &Context) -> FieldResult<Vec<User>> {
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use schema::userfollows::dsl;
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let conn = &mut context.db.conn().map_err(|e| {
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DatabaseError::new(
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format!("Failed to connect to database: {e:?}"),
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"Database connection error",
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)
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})?;
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Ok(dsl::userfollows
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.filter(dsl::following.eq(self.id.clone()))
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.load::<UserFollow>(conn)
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.map_err(|e| {
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DatabaseError::new(
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format!(
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"Failed to retrieve user follows from database: {e:?}"
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),
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"Database reading error",
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)
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})?
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.iter()
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.filter_map(|user_follow| {
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use schema::users::dsl;
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match dsl::users
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.find(user_follow.follower.clone())
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.first::<User>(conn) {
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Ok(user) => Some(user),
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Err(e) => {
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let err = DatabaseError::new(
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format!("Failed to retrieve user {} from database: {e:?}",
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user_follow.follower.clone()),
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"Database reading error");
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debug!("{}", err);
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None
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}
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}
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})
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.collect::<Vec<User>>())
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}
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