mirror of
https://github.com/LemmyNet/lemmy.git
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304 lines
8.7 KiB
Rust
304 lines
8.7 KiB
Rust
use crate::schema::{comment, comment_like, comment_saved};
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use super::*;
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use super::post::Post;
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// WITH RECURSIVE MyTree AS (
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// SELECT * FROM comment WHERE parent_id IS NULL
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// UNION ALL
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// SELECT m.* FROM comment AS m JOIN MyTree AS t ON m.parent_id = t.id
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// )
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// SELECT * FROM MyTree;
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#[derive(Queryable, Associations, Identifiable, PartialEq, Debug, Serialize, Deserialize)]
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#[belongs_to(Post)]
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#[table_name="comment"]
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pub struct Comment {
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pub id: i32,
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pub creator_id: i32,
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pub post_id: i32,
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pub parent_id: Option<i32>,
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pub content: String,
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pub removed: bool,
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pub read: bool,
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pub published: chrono::NaiveDateTime,
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pub updated: Option<chrono::NaiveDateTime>,
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pub deleted: bool,
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}
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#[derive(Insertable, AsChangeset, Clone)]
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#[table_name="comment"]
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pub struct CommentForm {
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pub creator_id: i32,
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pub post_id: i32,
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pub parent_id: Option<i32>,
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pub content: String,
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pub removed: Option<bool>,
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pub read: Option<bool>,
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pub updated: Option<chrono::NaiveDateTime>,
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pub deleted: Option<bool>,
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}
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impl Crud<CommentForm> for Comment {
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fn read(conn: &PgConnection, comment_id: i32) -> Result<Self, Error> {
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use crate::schema::comment::dsl::*;
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comment.find(comment_id)
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.first::<Self>(conn)
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}
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fn delete(conn: &PgConnection, comment_id: i32) -> Result<usize, Error> {
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use crate::schema::comment::dsl::*;
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diesel::delete(comment.find(comment_id))
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.execute(conn)
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}
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fn create(conn: &PgConnection, comment_form: &CommentForm) -> Result<Self, Error> {
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use crate::schema::comment::dsl::*;
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insert_into(comment)
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.values(comment_form)
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.get_result::<Self>(conn)
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}
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fn update(conn: &PgConnection, comment_id: i32, comment_form: &CommentForm) -> Result<Self, Error> {
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use crate::schema::comment::dsl::*;
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diesel::update(comment.find(comment_id))
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.set(comment_form)
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.get_result::<Self>(conn)
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}
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}
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#[derive(Identifiable, Queryable, Associations, PartialEq, Debug, Clone)]
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#[belongs_to(Comment)]
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#[table_name = "comment_like"]
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pub struct CommentLike {
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pub id: i32,
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pub user_id: i32,
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pub comment_id: i32,
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pub post_id: i32,
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pub score: i16,
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pub published: chrono::NaiveDateTime,
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}
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#[derive(Insertable, AsChangeset, Clone)]
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#[table_name="comment_like"]
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pub struct CommentLikeForm {
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pub user_id: i32,
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pub comment_id: i32,
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pub post_id: i32,
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pub score: i16
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}
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impl Likeable <CommentLikeForm> for CommentLike {
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fn read(conn: &PgConnection, comment_id_from: i32) -> Result<Vec<Self>, Error> {
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use crate::schema::comment_like::dsl::*;
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comment_like
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.filter(comment_id.eq(comment_id_from))
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.load::<Self>(conn)
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}
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fn like(conn: &PgConnection, comment_like_form: &CommentLikeForm) -> Result<Self, Error> {
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use crate::schema::comment_like::dsl::*;
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insert_into(comment_like)
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.values(comment_like_form)
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.get_result::<Self>(conn)
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}
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fn remove(conn: &PgConnection, comment_like_form: &CommentLikeForm) -> Result<usize, Error> {
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use crate::schema::comment_like::dsl::*;
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diesel::delete(
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comment_like
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.filter(comment_id.eq(comment_like_form.comment_id))
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.filter(user_id.eq(comment_like_form.user_id)))
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.execute(conn)
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}
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}
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impl CommentLike {
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pub fn from_post(conn: &PgConnection, post_id_from: i32) -> Result<Vec<Self>, Error> {
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use crate::schema::comment_like::dsl::*;
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comment_like
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.filter(post_id.eq(post_id_from))
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.load::<Self>(conn)
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}
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}
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#[derive(Identifiable, Queryable, Associations, PartialEq, Debug)]
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#[belongs_to(Comment)]
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#[table_name = "comment_saved"]
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pub struct CommentSaved {
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pub id: i32,
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pub comment_id: i32,
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pub user_id: i32,
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pub published: chrono::NaiveDateTime,
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}
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#[derive(Insertable, AsChangeset, Clone)]
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#[table_name="comment_saved"]
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pub struct CommentSavedForm {
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pub comment_id: i32,
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pub user_id: i32,
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}
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impl Saveable <CommentSavedForm> for CommentSaved {
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fn save(conn: &PgConnection, comment_saved_form: &CommentSavedForm) -> Result<Self, Error> {
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use crate::schema::comment_saved::dsl::*;
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insert_into(comment_saved)
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.values(comment_saved_form)
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.get_result::<Self>(conn)
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}
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fn unsave(conn: &PgConnection, comment_saved_form: &CommentSavedForm) -> Result<usize, Error> {
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use crate::schema::comment_saved::dsl::*;
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diesel::delete(comment_saved
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.filter(comment_id.eq(comment_saved_form.comment_id))
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.filter(user_id.eq(comment_saved_form.user_id)))
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.execute(conn)
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use super::super::post::*;
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use super::super::community::*;
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use super::super::user::*;
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#[test]
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fn test_crud() {
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let conn = establish_connection();
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let new_user = UserForm {
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name: "terry".into(),
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fedi_name: "rrf".into(),
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preferred_username: None,
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password_encrypted: "nope".into(),
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email: None,
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admin: false,
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banned: false,
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updated: None,
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show_nsfw: false,
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};
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let inserted_user = User_::create(&conn, &new_user).unwrap();
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let new_community = CommunityForm {
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name: "test community".to_string(),
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title: "nada".to_owned(),
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description: None,
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category_id: 1,
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creator_id: inserted_user.id,
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removed: None,
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deleted: None,
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updated: None,
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nsfw: false,
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};
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let inserted_community = Community::create(&conn, &new_community).unwrap();
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let new_post = PostForm {
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name: "A test post".into(),
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creator_id: inserted_user.id,
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url: None,
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body: None,
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community_id: inserted_community.id,
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removed: None,
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deleted: None,
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locked: None,
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updated: None,
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nsfw: false,
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};
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let inserted_post = Post::create(&conn, &new_post).unwrap();
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let comment_form = CommentForm {
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content: "A test comment".into(),
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creator_id: inserted_user.id,
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post_id: inserted_post.id,
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removed: None,
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deleted: None,
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read: None,
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parent_id: None,
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updated: None
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};
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let inserted_comment = Comment::create(&conn, &comment_form).unwrap();
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let expected_comment = Comment {
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id: inserted_comment.id,
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content: "A test comment".into(),
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creator_id: inserted_user.id,
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post_id: inserted_post.id,
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removed: false,
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deleted: false,
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read: false,
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parent_id: None,
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published: inserted_comment.published,
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updated: None
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};
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let child_comment_form = CommentForm {
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content: "A child comment".into(),
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creator_id: inserted_user.id,
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post_id: inserted_post.id,
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parent_id: Some(inserted_comment.id),
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removed: None,
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deleted: None,
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read: None,
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updated: None
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};
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let inserted_child_comment = Comment::create(&conn, &child_comment_form).unwrap();
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// Comment Like
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let comment_like_form = CommentLikeForm {
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comment_id: inserted_comment.id,
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post_id: inserted_post.id,
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user_id: inserted_user.id,
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score: 1
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};
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let inserted_comment_like = CommentLike::like(&conn, &comment_like_form).unwrap();
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let expected_comment_like = CommentLike {
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id: inserted_comment_like.id,
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comment_id: inserted_comment.id,
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post_id: inserted_post.id,
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user_id: inserted_user.id,
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published: inserted_comment_like.published,
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score: 1
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};
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// Comment Saved
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let comment_saved_form = CommentSavedForm {
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comment_id: inserted_comment.id,
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user_id: inserted_user.id,
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};
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let inserted_comment_saved = CommentSaved::save(&conn, &comment_saved_form).unwrap();
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let expected_comment_saved = CommentSaved {
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id: inserted_comment_saved.id,
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comment_id: inserted_comment.id,
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user_id: inserted_user.id,
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published: inserted_comment_saved.published,
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};
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let read_comment = Comment::read(&conn, inserted_comment.id).unwrap();
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let updated_comment = Comment::update(&conn, inserted_comment.id, &comment_form).unwrap();
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let like_removed = CommentLike::remove(&conn, &comment_like_form).unwrap();
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let saved_removed = CommentSaved::unsave(&conn, &comment_saved_form).unwrap();
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let num_deleted = Comment::delete(&conn, inserted_comment.id).unwrap();
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Comment::delete(&conn, inserted_child_comment.id).unwrap();
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Post::delete(&conn, inserted_post.id).unwrap();
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Community::delete(&conn, inserted_community.id).unwrap();
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User_::delete(&conn, inserted_user.id).unwrap();
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assert_eq!(expected_comment, read_comment);
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assert_eq!(expected_comment, inserted_comment);
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assert_eq!(expected_comment, updated_comment);
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assert_eq!(expected_comment_like, inserted_comment_like);
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assert_eq!(expected_comment_saved, inserted_comment_saved);
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assert_eq!(expected_comment.id, inserted_child_comment.parent_id.unwrap());
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assert_eq!(1, like_removed);
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assert_eq!(1, saved_removed);
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assert_eq!(1, num_deleted);
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}
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}
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