1 files changed, 177 insertions, 0 deletions
diff --git a/server/src/actions/comment.rs b/server/src/actions/comment.rs
new file mode 100644
index 00000000..104c13f2
--- /dev/null
+++ b/server/src/actions/comment.rs
@@ -0,0 +1,177 @@
+extern crate diesel;
+use schema::{comment, comment_like};
+use diesel::*;
+use diesel::result::Error;
+use {Crud, Likeable};
+
+#[derive(Queryable, Identifiable, PartialEq, Debug)]
+#[table_name="comment"]
+pub struct Comment {
+  pub id: i32,
+  pub content: String,
+  pub attributed_to: String,
+  pub post_id: i32,
+  pub parent_id: Option<i32>,
+  pub published: chrono::NaiveDateTime,
+  pub updated: Option<chrono::NaiveDateTime>
+}
+
+#[derive(Insertable, AsChangeset, Clone, Copy)]
+#[table_name="comment"]
+pub struct CommentForm<'a> {
+  pub content: &'a str,
+  pub attributed_to: &'a str,
+  pub post_id: &'a i32,
+  pub parent_id: Option<&'a i32>,
+  pub updated: Option<&'a chrono::NaiveDateTime>
+}
+
+#[derive(Identifiable, Queryable, Associations, PartialEq, Debug)]
+#[belongs_to(Comment)]
+#[table_name = "comment_like"]
+pub struct CommentLike {
+  pub id: i32,
+  pub comment_id: i32,
+  pub fedi_user_id: String,
+  pub score: i16,
+  pub published: chrono::NaiveDateTime,
+}
+
+#[derive(Insertable, AsChangeset, Clone, Copy)]
+#[table_name="comment_like"]
+pub struct CommentLikeForm<'a> {
+  pub comment_id: &'a i32,
+  pub fedi_user_id: &'a str,
+  pub score: &'a i16
+}
+
+impl<'a> Crud<CommentForm<'a>> for Comment {
+  fn read(conn: &PgConnection, comment_id: i32) -> Comment {
+    use schema::comment::dsl::*;
+    comment.find(comment_id)
+      .first::<Comment>(conn)
+      .expect("Error in query")
+  }
+
+  fn delete(conn: &PgConnection, comment_id: i32) -> usize {
+    use schema::comment::dsl::*;
+    diesel::delete(comment.find(comment_id))
+      .execute(conn)
+      .expect("Error deleting.")
+  }
+
+  fn create(conn: &PgConnection, comment_form: CommentForm) -> Result<Comment, Error> {
+    use schema::comment::dsl::*;
+      insert_into(comment)
+        .values(comment_form)
+        .get_result::<Comment>(conn)
+  }
+
+  fn update(conn: &PgConnection, comment_id: i32, comment_form: CommentForm) -> Comment {
+    use schema::comment::dsl::*;
+    diesel::update(comment.find(comment_id))
+      .set(comment_form)
+      .get_result::<Comment>(conn)
+      .expect(&format!("Unable to find {}", comment_id))
+  }
+}
+
+impl<'a> Likeable <CommentLikeForm<'a>> for CommentLike {
+  fn like(conn: &PgConnection, comment_like_form: CommentLikeForm) -> Result<CommentLike, Error> {
+    use schema::comment_like::dsl::*;
+    insert_into(comment_like)
+      .values(comment_like_form)
+      .get_result::<CommentLike>(conn)
+  }
+  fn remove(conn: &PgConnection, comment_like_form: CommentLikeForm) -> usize {
+    use schema::comment_like::dsl::*;
+    diesel::delete(comment_like
+      .filter(comment_id.eq(comment_like_form.comment_id))
+      .filter(fedi_user_id.eq(comment_like_form.fedi_user_id)))
+      .execute(conn)
+      .expect("Error deleting.")
+  }
+}
+
+#[cfg(test)]
+mod tests {
+  use establish_connection;
+  use super::*;
+  use actions::post::*;
+  use Crud;
+ #[test]
+  fn test_crud() {
+    let conn = establish_connection();
+    
+    let new_post = PostForm {
+      name: "A test post".into(),
+      url: "https://test.com".into(),
+      attributed_to: "test_user.com".into(),
+      updated: None
+    };
+
+    let inserted_post = Post::create(&conn, new_post).unwrap();
+
+    let comment_form = CommentForm {
+      content: "A test comment".into(),
+      attributed_to: "test_user.com".into(),
+      post_id: &inserted_post.id,
+      parent_id: None,
+      updated: None
+    };
+
+    let inserted_comment = Comment::create(&conn, comment_form).unwrap();
+
+    let expected_comment = Comment {
+      id: inserted_comment.id,
+      content: "A test comment".into(),
+      attributed_to: "test_user.com".into(),
+      post_id: inserted_post.id,
+      parent_id: None,
+      published: inserted_comment.published,
+      updated: None
+    };
+    
+    let child_comment_form = CommentForm {
+      content: "A child comment".into(),
+      attributed_to: "test_user.com".into(),
+      post_id: &inserted_post.id,
+      parent_id: Some(&inserted_comment.id),
+      updated: None
+    };
+
+    let inserted_child_comment = Comment::create(&conn, child_comment_form).unwrap();
+
+    let comment_like_form = CommentLikeForm {
+      comment_id: &inserted_comment.id,
+      fedi_user_id: "test".into(),
+      score: &1
+    };
+
+    let inserted_comment_like = CommentLike::like(&conn, comment_like_form).unwrap();
+
+    let expected_comment_like = CommentLike {
+      id: inserted_comment_like.id,
+      comment_id: inserted_comment.id,
+      fedi_user_id: "test".into(),
+      published: inserted_comment_like.published,
+      score: 1
+    };
+    
+    let read_comment = Comment::read(&conn, inserted_comment.id);
+    let updated_comment = Comment::update(&conn, inserted_comment.id, comment_form);
+    let like_removed = CommentLike::remove(&conn, comment_like_form);
+    let num_deleted = Comment::delete(&conn, inserted_comment.id);
+    Comment::delete(&conn, inserted_child_comment.id);
+    Post::delete(&conn, inserted_post.id);
+
+    assert_eq!(expected_comment, read_comment);
+    assert_eq!(expected_comment, inserted_comment);
+    assert_eq!(expected_comment, updated_comment);
+    assert_eq!(expected_comment_like, inserted_comment_like);
+    assert_eq!(expected_comment.id, inserted_child_comment.parent_id.unwrap());
+    assert_eq!(1, like_removed);
+    assert_eq!(1, num_deleted);
+
+  }
+}