62 lines
1.6 KiB
Rust
62 lines
1.6 KiB
Rust
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use crate::{
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category::Category,
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community::{Community, CommunityFollower},
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schema::{category, community, community_follower, user_},
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user::{UserSafe, User_},
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};
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use diesel::{result::Error, *};
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use serde::Serialize;
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#[derive(Debug, Serialize, Clone)]
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pub struct CommunityView {
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pub community: Community,
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pub creator: UserSafe,
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pub category: Category,
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pub subscribed: bool,
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}
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// creator_actor_id -> Text,
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// creator_local -> Bool,
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// creator_name -> Varchar,
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// creator_preferred_username -> Nullable<Varchar>,
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// creator_avatar -> Nullable<Text>,
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// category_name -> Varchar,
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// number_of_subscribers -> BigInt,
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// number_of_posts -> BigInt,
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// number_of_comments -> BigInt,
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// hot_rank -> Int4,
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// user_id -> Nullable<Int4>,
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// subscribed -> Nullable<Bool>,
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impl CommunityView {
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pub fn read(
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conn: &PgConnection,
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community_id: i32,
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my_user_id: Option<i32>,
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) -> Result<Self, Error> {
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let subscribed = match my_user_id {
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Some(user_id) => {
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let res = community_follower::table
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.filter(community_follower::community_id.eq(community_id))
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.filter(community_follower::user_id.eq(user_id))
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.get_result::<CommunityFollower>(conn);
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res.is_ok()
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}
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None => false,
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};
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let (community, creator, category) = community::table
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.find(community_id)
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.inner_join(user_::table)
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.inner_join(category::table)
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.first::<(Community, User_, Category)>(conn)?;
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Ok(CommunityView {
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community,
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creator: creator.to_safe(),
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category,
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subscribed,
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})
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}
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}
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