338 lines
8.5 KiB
Go
338 lines
8.5 KiB
Go
// Copyright 2017 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package models
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import (
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"bytes"
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"fmt"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/timeutil"
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"xorm.io/builder"
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"xorm.io/xorm"
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)
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// Reaction represents a reactions on issues and comments.
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type Reaction struct {
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ID int64 `xorm:"pk autoincr"`
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Type string `xorm:"INDEX UNIQUE(s) NOT NULL"`
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IssueID int64 `xorm:"INDEX UNIQUE(s) NOT NULL"`
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CommentID int64 `xorm:"INDEX UNIQUE(s)"`
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UserID int64 `xorm:"INDEX UNIQUE(s) NOT NULL"`
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OriginalAuthorID int64 `xorm:"INDEX UNIQUE(s) NOT NULL DEFAULT(0)"`
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OriginalAuthor string `xorm:"INDEX UNIQUE(s)"`
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User *User `xorm:"-"`
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CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
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}
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// FindReactionsOptions describes the conditions to Find reactions
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type FindReactionsOptions struct {
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ListOptions
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IssueID int64
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CommentID int64
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UserID int64
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Reaction string
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}
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func (opts *FindReactionsOptions) toConds() builder.Cond {
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// If Issue ID is set add to Query
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cond := builder.NewCond()
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if opts.IssueID > 0 {
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cond = cond.And(builder.Eq{"reaction.issue_id": opts.IssueID})
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}
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// If CommentID is > 0 add to Query
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// If it is 0 Query ignore CommentID to select
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// If it is -1 it explicit search of Issue Reactions where CommentID = 0
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if opts.CommentID > 0 {
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cond = cond.And(builder.Eq{"reaction.comment_id": opts.CommentID})
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} else if opts.CommentID == -1 {
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cond = cond.And(builder.Eq{"reaction.comment_id": 0})
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}
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if opts.UserID > 0 {
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cond = cond.And(builder.Eq{
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"reaction.user_id": opts.UserID,
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"reaction.original_author_id": 0,
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})
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}
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if opts.Reaction != "" {
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cond = cond.And(builder.Eq{"reaction.type": opts.Reaction})
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}
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return cond
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}
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// FindCommentReactions returns a ReactionList of all reactions from an comment
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func FindCommentReactions(comment *Comment) (ReactionList, error) {
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return findReactions(x, FindReactionsOptions{
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IssueID: comment.IssueID,
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CommentID: comment.ID,
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})
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}
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// FindIssueReactions returns a ReactionList of all reactions from an issue
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func FindIssueReactions(issue *Issue, listOptions ListOptions) (ReactionList, error) {
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return findReactions(x, FindReactionsOptions{
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ListOptions: listOptions,
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IssueID: issue.ID,
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CommentID: -1,
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})
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}
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func findReactions(e Engine, opts FindReactionsOptions) ([]*Reaction, error) {
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e = e.
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Where(opts.toConds()).
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In("reaction.`type`", setting.UI.Reactions).
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Asc("reaction.issue_id", "reaction.comment_id", "reaction.created_unix", "reaction.id")
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if opts.Page != 0 {
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e = setEnginePagination(e, &opts)
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reactions := make([]*Reaction, 0, opts.PageSize)
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return reactions, e.Find(&reactions)
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}
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reactions := make([]*Reaction, 0, 10)
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return reactions, e.Find(&reactions)
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}
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func createReaction(e *xorm.Session, opts *ReactionOptions) (*Reaction, error) {
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reaction := &Reaction{
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Type: opts.Type,
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UserID: opts.Doer.ID,
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IssueID: opts.Issue.ID,
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}
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findOpts := FindReactionsOptions{
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IssueID: opts.Issue.ID,
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CommentID: -1, // reaction to issue only
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Reaction: opts.Type,
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UserID: opts.Doer.ID,
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}
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if opts.Comment != nil {
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reaction.CommentID = opts.Comment.ID
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findOpts.CommentID = opts.Comment.ID
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}
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existingR, err := findReactions(e, findOpts)
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if err != nil {
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return nil, err
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}
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if len(existingR) > 0 {
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return existingR[0], ErrReactionAlreadyExist{Reaction: opts.Type}
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}
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if _, err := e.Insert(reaction); err != nil {
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return nil, err
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}
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return reaction, nil
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}
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// ReactionOptions defines options for creating or deleting reactions
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type ReactionOptions struct {
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Type string
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Doer *User
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Issue *Issue
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Comment *Comment
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}
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// CreateReaction creates reaction for issue or comment.
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func CreateReaction(opts *ReactionOptions) (*Reaction, error) {
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if !setting.UI.ReactionsMap[opts.Type] {
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return nil, ErrForbiddenIssueReaction{opts.Type}
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}
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sess := x.NewSession()
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defer sess.Close()
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if err := sess.Begin(); err != nil {
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return nil, err
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}
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reaction, err := createReaction(sess, opts)
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if err != nil {
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return reaction, err
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}
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if err := sess.Commit(); err != nil {
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return nil, err
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}
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return reaction, nil
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}
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// CreateIssueReaction creates a reaction on issue.
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func CreateIssueReaction(doer *User, issue *Issue, content string) (*Reaction, error) {
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return CreateReaction(&ReactionOptions{
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Type: content,
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Doer: doer,
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Issue: issue,
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})
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}
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// CreateCommentReaction creates a reaction on comment.
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func CreateCommentReaction(doer *User, issue *Issue, comment *Comment, content string) (*Reaction, error) {
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return CreateReaction(&ReactionOptions{
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Type: content,
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Doer: doer,
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Issue: issue,
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Comment: comment,
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})
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}
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func deleteReaction(e Engine, opts *ReactionOptions) error {
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reaction := &Reaction{
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Type: opts.Type,
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}
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if opts.Doer != nil {
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reaction.UserID = opts.Doer.ID
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}
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if opts.Issue != nil {
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reaction.IssueID = opts.Issue.ID
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}
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if opts.Comment != nil {
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reaction.CommentID = opts.Comment.ID
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}
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_, err := e.Where("original_author_id = 0").Delete(reaction)
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return err
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}
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// DeleteReaction deletes reaction for issue or comment.
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func DeleteReaction(opts *ReactionOptions) error {
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sess := x.NewSession()
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defer sess.Close()
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if err := sess.Begin(); err != nil {
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return err
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}
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if err := deleteReaction(sess, opts); err != nil {
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return err
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}
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return sess.Commit()
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}
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// DeleteIssueReaction deletes a reaction on issue.
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func DeleteIssueReaction(doer *User, issue *Issue, content string) error {
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return DeleteReaction(&ReactionOptions{
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Type: content,
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Doer: doer,
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Issue: issue,
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})
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}
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// DeleteCommentReaction deletes a reaction on comment.
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func DeleteCommentReaction(doer *User, issue *Issue, comment *Comment, content string) error {
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return DeleteReaction(&ReactionOptions{
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Type: content,
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Doer: doer,
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Issue: issue,
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Comment: comment,
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})
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}
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// LoadUser load user of reaction
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func (r *Reaction) LoadUser() (*User, error) {
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if r.User != nil {
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return r.User, nil
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}
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user, err := getUserByID(x, r.UserID)
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if err != nil {
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return nil, err
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}
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r.User = user
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return user, nil
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}
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// ReactionList represents list of reactions
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type ReactionList []*Reaction
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// HasUser check if user has reacted
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func (list ReactionList) HasUser(userID int64) bool {
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if userID == 0 {
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return false
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}
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for _, reaction := range list {
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if reaction.OriginalAuthor == "" && reaction.UserID == userID {
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return true
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}
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}
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return false
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}
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// GroupByType returns reactions grouped by type
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func (list ReactionList) GroupByType() map[string]ReactionList {
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reactions := make(map[string]ReactionList)
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for _, reaction := range list {
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reactions[reaction.Type] = append(reactions[reaction.Type], reaction)
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}
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return reactions
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}
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func (list ReactionList) getUserIDs() []int64 {
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userIDs := make(map[int64]struct{}, len(list))
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for _, reaction := range list {
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if reaction.OriginalAuthor != "" {
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continue
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}
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if _, ok := userIDs[reaction.UserID]; !ok {
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userIDs[reaction.UserID] = struct{}{}
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}
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}
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return keysInt64(userIDs)
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}
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func (list ReactionList) loadUsers(e Engine, repo *Repository) ([]*User, error) {
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if len(list) == 0 {
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return nil, nil
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}
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userIDs := list.getUserIDs()
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userMaps := make(map[int64]*User, len(userIDs))
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err := e.
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In("id", userIDs).
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Find(&userMaps)
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if err != nil {
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return nil, fmt.Errorf("find user: %v", err)
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}
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for _, reaction := range list {
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if reaction.OriginalAuthor != "" {
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reaction.User = NewReplaceUser(fmt.Sprintf("%s(%s)", reaction.OriginalAuthor, repo.OriginalServiceType.Name()))
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} else if user, ok := userMaps[reaction.UserID]; ok {
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reaction.User = user
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} else {
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reaction.User = NewGhostUser()
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}
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}
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return valuesUser(userMaps), nil
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}
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// LoadUsers loads reactions' all users
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func (list ReactionList) LoadUsers(repo *Repository) ([]*User, error) {
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return list.loadUsers(x, repo)
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}
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// GetFirstUsers returns first reacted user display names separated by comma
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func (list ReactionList) GetFirstUsers() string {
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var buffer bytes.Buffer
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rem := setting.UI.ReactionMaxUserNum
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for _, reaction := range list {
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if buffer.Len() > 0 {
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buffer.WriteString(", ")
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}
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buffer.WriteString(reaction.User.DisplayName())
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if rem--; rem == 0 {
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break
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}
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}
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return buffer.String()
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}
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// GetMoreUserCount returns count of not shown users in reaction tooltip
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func (list ReactionList) GetMoreUserCount() int {
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if len(list) <= setting.UI.ReactionMaxUserNum {
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return 0
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}
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return len(list) - setting.UI.ReactionMaxUserNum
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}
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