148 lines
4.4 KiB
Rust
148 lines
4.4 KiB
Rust
extern crate diesel;
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use diesel::*;
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use diesel::result::Error;
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use serde::{Deserialize, Serialize};
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table! {
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community_view (id) {
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id -> Int4,
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name -> Varchar,
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title -> Varchar,
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description -> Nullable<Text>,
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category_id -> Int4,
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creator_id -> Int4,
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published -> Timestamp,
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updated -> Nullable<Timestamp>,
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creator_name -> Varchar,
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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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user_id -> Nullable<Int4>,
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subscribed -> Nullable<Bool>,
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}
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}
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table! {
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community_moderator_view (id) {
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id -> Int4,
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community_id -> Int4,
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user_id -> Int4,
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published -> Timestamp,
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user_name -> Varchar,
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community_name -> Varchar,
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}
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}
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table! {
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community_follower_view (id) {
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id -> Int4,
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community_id -> Int4,
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user_id -> Int4,
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published -> Timestamp,
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user_name -> Varchar,
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community_name -> Varchar,
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}
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}
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#[derive(Queryable, Identifiable, PartialEq, Debug, Serialize, Deserialize,QueryableByName,Clone)]
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#[table_name="community_view"]
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pub struct CommunityView {
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pub id: i32,
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pub name: String,
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pub title: String,
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pub description: Option<String>,
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pub category_id: i32,
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pub creator_id: i32,
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pub published: chrono::NaiveDateTime,
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pub updated: Option<chrono::NaiveDateTime>,
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pub creator_name: String,
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pub category_name: String,
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pub number_of_subscribers: i64,
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pub number_of_posts: i64,
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pub number_of_comments: i64,
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pub user_id: Option<i32>,
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pub subscribed: Option<bool>,
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}
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impl CommunityView {
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pub fn read(conn: &PgConnection, from_community_id: i32, from_user_id: Option<i32>) -> Result<Self, Error> {
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use actions::community_view::community_view::dsl::*;
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let mut query = community_view.into_boxed();
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query = query.filter(id.eq(from_community_id));
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// The view lets you pass a null user_id, if you're not logged in
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if let Some(from_user_id) = from_user_id {
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query = query.filter(user_id.eq(from_user_id));
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} else {
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query = query.filter(user_id.is_null());
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};
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query.first::<Self>(conn)
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}
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pub fn list_all(conn: &PgConnection, from_user_id: Option<i32>) -> Result<Vec<Self>, Error> {
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use actions::community_view::community_view::dsl::*;
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let mut query = community_view.into_boxed();
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// The view lets you pass a null user_id, if you're not logged in
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if let Some(from_user_id) = from_user_id {
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query = query.filter(user_id.eq(from_user_id))
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.order_by((subscribed.desc(), number_of_subscribers.desc()));
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} else {
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query = query.filter(user_id.is_null())
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.order_by(number_of_subscribers.desc());
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};
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query.load::<Self>(conn)
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}
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}
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#[derive(Queryable, Identifiable, PartialEq, Debug, Serialize, Deserialize,QueryableByName,Clone)]
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#[table_name="community_moderator_view"]
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pub struct CommunityModeratorView {
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pub id: i32,
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pub community_id: i32,
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pub user_id: i32,
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pub published: chrono::NaiveDateTime,
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pub user_name : String,
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pub community_name: String,
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}
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impl CommunityModeratorView {
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pub fn for_community(conn: &PgConnection, from_community_id: i32) -> Result<Vec<Self>, Error> {
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use actions::community_view::community_moderator_view::dsl::*;
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community_moderator_view.filter(community_id.eq(from_community_id)).load::<Self>(conn)
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}
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pub fn for_user(conn: &PgConnection, from_user_id: i32) -> Result<Vec<Self>, Error> {
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use actions::community_view::community_moderator_view::dsl::*;
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community_moderator_view.filter(user_id.eq(from_user_id)).load::<Self>(conn)
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}
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}
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#[derive(Queryable, Identifiable, PartialEq, Debug, Serialize, Deserialize,QueryableByName,Clone)]
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#[table_name="community_follower_view"]
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pub struct CommunityFollowerView {
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pub id: i32,
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pub community_id: i32,
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pub user_id: i32,
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pub published: chrono::NaiveDateTime,
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pub user_name : String,
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pub community_name: String,
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}
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impl CommunityFollowerView {
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pub fn for_community(conn: &PgConnection, from_community_id: i32) -> Result<Vec<Self>, Error> {
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use actions::community_view::community_follower_view::dsl::*;
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community_follower_view.filter(community_id.eq(from_community_id)).load::<Self>(conn)
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}
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pub fn for_user(conn: &PgConnection, from_user_id: i32) -> Result<Vec<Self>, Error> {
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use actions::community_view::community_follower_view::dsl::*;
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community_follower_view.filter(user_id.eq(from_user_id)).load::<Self>(conn)
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}
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}
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