mirror of https://github.com/LemmyNet/lemmy.git
85 lines
2.2 KiB
Rust
85 lines
2.2 KiB
Rust
use activitypub_federation::config::Data;
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use actix_web::web::Json;
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use lemmy_api_common::{
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build_response::build_post_response,
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context::LemmyContext,
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post::{CreatePostLike, PostResponse},
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send_activity::{ActivityChannel, SendActivityData},
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utils::{check_community_user_action, check_downvotes_enabled, mark_post_as_read},
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};
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use lemmy_db_schema::{
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source::{
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community::Community,
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local_site::LocalSite,
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post::{Post, PostLike, PostLikeForm},
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},
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traits::{Crud, Likeable},
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};
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use lemmy_db_views::structs::LocalUserView;
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use lemmy_utils::error::{LemmyError, LemmyErrorExt, LemmyErrorType};
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use std::ops::Deref;
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#[tracing::instrument(skip(context))]
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pub async fn like_post(
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data: Json<CreatePostLike>,
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context: Data<LemmyContext>,
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local_user_view: LocalUserView,
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) -> Result<Json<PostResponse>, LemmyError> {
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let local_site = LocalSite::read(&mut context.pool()).await?;
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// Don't do a downvote if site has downvotes disabled
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check_downvotes_enabled(data.score, &local_site)?;
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// Check for a community ban
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let post_id = data.post_id;
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let post = Post::read(&mut context.pool(), post_id).await?;
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check_community_user_action(
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&local_user_view.person,
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post.community_id,
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&mut context.pool(),
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)
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.await?;
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let like_form = PostLikeForm {
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post_id: data.post_id,
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person_id: local_user_view.person.id,
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score: data.score,
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};
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// Remove any likes first
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let person_id = local_user_view.person.id;
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PostLike::remove(&mut context.pool(), person_id, post_id).await?;
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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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PostLike::like(&mut context.pool(), &like_form)
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.await
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.with_lemmy_type(LemmyErrorType::CouldntLikePost)?;
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}
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// Mark the post as read
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mark_post_as_read(person_id, post_id, &mut context.pool()).await?;
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ActivityChannel::submit_activity(
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SendActivityData::LikePostOrComment(
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post.ap_id,
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local_user_view.person.clone(),
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Community::read(&mut context.pool(), post.community_id).await?,
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data.score,
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),
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&context,
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)
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.await?;
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build_post_response(
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context.deref(),
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post.community_id,
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&local_user_view.person,
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post_id,
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)
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.await
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}
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