347 lines
10 KiB
Rust
347 lines
10 KiB
Rust
use super::*;
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#[derive(Serialize, Deserialize)]
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pub struct CreateComment {
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content: String,
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parent_id: Option<i32>,
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edit_id: Option<i32>,
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pub post_id: i32,
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auth: String,
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}
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#[derive(Serialize, Deserialize)]
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pub struct EditComment {
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content: String,
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parent_id: Option<i32>,
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edit_id: i32,
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creator_id: i32,
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pub post_id: i32,
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removed: Option<bool>,
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deleted: Option<bool>,
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reason: Option<String>,
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read: Option<bool>,
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auth: String,
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}
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#[derive(Serialize, Deserialize)]
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pub struct SaveComment {
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comment_id: i32,
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save: bool,
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auth: String,
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}
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#[derive(Serialize, Deserialize, Clone)]
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pub struct CommentResponse {
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op: String,
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pub comment: CommentView,
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}
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#[derive(Serialize, Deserialize)]
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pub struct CreateCommentLike {
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comment_id: i32,
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pub post_id: i32,
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score: i16,
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auth: String,
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}
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impl Perform<CommentResponse> for Oper<CreateComment> {
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fn perform(&self) -> Result<CommentResponse, Error> {
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let data: &CreateComment = &self.data;
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let conn = establish_connection();
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let claims = match Claims::decode(&data.auth) {
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Ok(claims) => claims.claims,
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Err(_e) => return Err(APIError::err(&self.op, "not_logged_in"))?,
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};
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let user_id = claims.id;
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// Check for a community ban
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let post = Post::read(&conn, data.post_id)?;
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if CommunityUserBanView::get(&conn, user_id, post.community_id).is_ok() {
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return Err(APIError::err(&self.op, "community_ban"))?;
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}
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// Check for a site ban
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if UserView::read(&conn, user_id)?.banned {
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return Err(APIError::err(&self.op, "site_ban"))?;
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}
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let content_slurs_removed = remove_slurs(&data.content.to_owned());
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let comment_form = CommentForm {
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content: content_slurs_removed,
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parent_id: data.parent_id.to_owned(),
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post_id: data.post_id,
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creator_id: user_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_comment = match Comment::create(&conn, &comment_form) {
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Ok(comment) => comment,
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Err(_e) => return Err(APIError::err(&self.op, "couldnt_create_comment"))?,
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};
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// Scan the comment for user mentions, add those rows
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let extracted_usernames = extract_usernames(&comment_form.content);
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for username_mention in &extracted_usernames {
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let mention_user = User_::read_from_name(&conn, username_mention.to_string());
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if mention_user.is_ok() {
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let mention_user_id = mention_user?.id;
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// You can't mention yourself
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// At some point, make it so you can't tag the parent creator either
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// This can cause two notifications, one for reply and the other for mention
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if mention_user_id != user_id {
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let user_mention_form = UserMentionForm {
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recipient_id: mention_user_id,
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comment_id: inserted_comment.id,
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read: None,
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};
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// Allow this to fail softly, since comment edits might re-update or replace it
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// Let the uniqueness handle this fail
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match UserMention::create(&conn, &user_mention_form) {
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Ok(_mention) => (),
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Err(_e) => eprintln!("{}", &_e),
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}
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}
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}
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}
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// You like your own comment by default
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let like_form = CommentLikeForm {
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comment_id: inserted_comment.id,
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post_id: data.post_id,
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user_id,
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score: 1,
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};
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let _inserted_like = match CommentLike::like(&conn, &like_form) {
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Ok(like) => like,
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Err(_e) => return Err(APIError::err(&self.op, "couldnt_like_comment"))?,
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};
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let comment_view = CommentView::read(&conn, inserted_comment.id, Some(user_id))?;
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Ok(CommentResponse {
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op: self.op.to_string(),
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comment: comment_view,
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})
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}
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}
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impl Perform<CommentResponse> for Oper<EditComment> {
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fn perform(&self) -> Result<CommentResponse, Error> {
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let data: &EditComment = &self.data;
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let conn = establish_connection();
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let claims = match Claims::decode(&data.auth) {
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Ok(claims) => claims.claims,
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Err(_e) => return Err(APIError::err(&self.op, "not_logged_in"))?,
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};
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let user_id = claims.id;
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let orig_comment = CommentView::read(&conn, data.edit_id, None)?;
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// You are allowed to mark the comment as read even if you're banned.
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if data.read.is_none() {
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// Verify its the creator or a mod, or an admin
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let mut editors: Vec<i32> = vec![data.creator_id];
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editors.append(
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&mut CommunityModeratorView::for_community(&conn, orig_comment.community_id)?
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.into_iter()
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.map(|m| m.user_id)
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.collect(),
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);
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editors.append(&mut UserView::admins(&conn)?.into_iter().map(|a| a.id).collect());
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if !editors.contains(&user_id) {
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return Err(APIError::err(&self.op, "no_comment_edit_allowed"))?;
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}
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// Check for a community ban
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if CommunityUserBanView::get(&conn, user_id, orig_comment.community_id).is_ok() {
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return Err(APIError::err(&self.op, "community_ban"))?;
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}
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// Check for a site ban
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if UserView::read(&conn, user_id)?.banned {
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return Err(APIError::err(&self.op, "site_ban"))?;
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}
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}
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let content_slurs_removed = remove_slurs(&data.content.to_owned());
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let comment_form = CommentForm {
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content: content_slurs_removed,
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parent_id: data.parent_id,
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post_id: data.post_id,
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creator_id: data.creator_id,
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removed: data.removed.to_owned(),
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deleted: data.deleted.to_owned(),
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read: data.read.to_owned(),
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updated: if data.read.is_some() {
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orig_comment.updated
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} else {
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Some(naive_now())
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},
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};
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let _updated_comment = match Comment::update(&conn, data.edit_id, &comment_form) {
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Ok(comment) => comment,
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Err(_e) => return Err(APIError::err(&self.op, "couldnt_update_comment"))?,
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};
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// Scan the comment for user mentions, add those rows
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let extracted_usernames = extract_usernames(&comment_form.content);
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for username_mention in &extracted_usernames {
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let mention_user = User_::read_from_name(&conn, username_mention.to_string());
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if mention_user.is_ok() {
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let mention_user_id = mention_user?.id;
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// You can't mention yourself
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// At some point, make it so you can't tag the parent creator either
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// This can cause two notifications, one for reply and the other for mention
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if mention_user_id != user_id {
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let user_mention_form = UserMentionForm {
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recipient_id: mention_user_id,
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comment_id: data.edit_id,
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read: None,
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};
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// Allow this to fail softly, since comment edits might re-update or replace it
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// Let the uniqueness handle this fail
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match UserMention::create(&conn, &user_mention_form) {
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Ok(_mention) => (),
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Err(_e) => eprintln!("{}", &_e),
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}
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}
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}
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}
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// Mod tables
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if let Some(removed) = data.removed.to_owned() {
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let form = ModRemoveCommentForm {
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mod_user_id: user_id,
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comment_id: data.edit_id,
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removed: Some(removed),
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reason: data.reason.to_owned(),
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};
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ModRemoveComment::create(&conn, &form)?;
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}
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let comment_view = CommentView::read(&conn, data.edit_id, Some(user_id))?;
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Ok(CommentResponse {
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op: self.op.to_string(),
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comment: comment_view,
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})
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}
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}
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impl Perform<CommentResponse> for Oper<SaveComment> {
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fn perform(&self) -> Result<CommentResponse, Error> {
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let data: &SaveComment = &self.data;
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let conn = establish_connection();
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let claims = match Claims::decode(&data.auth) {
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Ok(claims) => claims.claims,
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Err(_e) => return Err(APIError::err(&self.op, "not_logged_in"))?,
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};
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let user_id = claims.id;
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let comment_saved_form = CommentSavedForm {
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comment_id: data.comment_id,
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user_id,
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};
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if data.save {
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match CommentSaved::save(&conn, &comment_saved_form) {
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Ok(comment) => comment,
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Err(_e) => return Err(APIError::err(&self.op, "couldnt_save_comment"))?,
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};
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} else {
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match CommentSaved::unsave(&conn, &comment_saved_form) {
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Ok(comment) => comment,
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Err(_e) => return Err(APIError::err(&self.op, "couldnt_save_comment"))?,
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};
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}
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let comment_view = CommentView::read(&conn, data.comment_id, Some(user_id))?;
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Ok(CommentResponse {
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op: self.op.to_string(),
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comment: comment_view,
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})
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}
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}
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impl Perform<CommentResponse> for Oper<CreateCommentLike> {
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fn perform(&self) -> Result<CommentResponse, Error> {
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let data: &CreateCommentLike = &self.data;
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let conn = establish_connection();
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let claims = match Claims::decode(&data.auth) {
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Ok(claims) => claims.claims,
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Err(_e) => return Err(APIError::err(&self.op, "not_logged_in"))?,
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};
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let user_id = claims.id;
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// Don't do a downvote if site has downvotes disabled
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if data.score == -1 {
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let site = SiteView::read(&conn)?;
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if site.enable_downvotes == false {
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return Err(APIError::err(&self.op, "downvotes_disabled"))?;
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}
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}
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// Check for a community ban
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let post = Post::read(&conn, data.post_id)?;
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if CommunityUserBanView::get(&conn, user_id, post.community_id).is_ok() {
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return Err(APIError::err(&self.op, "community_ban"))?;
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}
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// Check for a site ban
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if UserView::read(&conn, user_id)?.banned {
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return Err(APIError::err(&self.op, "site_ban"))?;
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}
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let like_form = CommentLikeForm {
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comment_id: data.comment_id,
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post_id: data.post_id,
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user_id,
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score: data.score,
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};
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// Remove any likes first
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CommentLike::remove(&conn, &like_form)?;
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// Only add the like if the score isnt 0
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let do_add = like_form.score != 0 && (like_form.score == 1 || like_form.score == -1);
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if do_add {
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let _inserted_like = match CommentLike::like(&conn, &like_form) {
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Ok(like) => like,
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Err(_e) => return Err(APIError::err(&self.op, "couldnt_like_comment"))?,
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};
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}
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// Have to refetch the comment to get the current state
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let liked_comment = CommentView::read(&conn, data.comment_id, Some(user_id))?;
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Ok(CommentResponse {
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op: self.op.to_string(),
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comment: liked_comment,
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})
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}
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}
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