132 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			132 lines
		
	
	
		
			3.6 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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	"code.gitea.io/gitea/modules/timeutil"
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)
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// IssueWatch is connection request for receiving issue notification.
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type IssueWatch struct {
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	ID          int64              `xorm:"pk autoincr"`
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	UserID      int64              `xorm:"UNIQUE(watch) NOT NULL"`
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	IssueID     int64              `xorm:"UNIQUE(watch) NOT NULL"`
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	IsWatching  bool               `xorm:"NOT NULL"`
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	CreatedUnix timeutil.TimeStamp `xorm:"created NOT NULL"`
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	UpdatedUnix timeutil.TimeStamp `xorm:"updated NOT NULL"`
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}
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// IssueWatchList contains IssueWatch
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type IssueWatchList []*IssueWatch
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// CreateOrUpdateIssueWatch set watching for a user and issue
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func CreateOrUpdateIssueWatch(userID, issueID int64, isWatching bool) error {
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	iw, exists, err := getIssueWatch(x, userID, issueID)
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	if err != nil {
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		return err
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	}
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	if !exists {
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		iw = &IssueWatch{
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			UserID:     userID,
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			IssueID:    issueID,
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			IsWatching: isWatching,
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		}
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		if _, err := x.Insert(iw); err != nil {
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			return err
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		}
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	} else {
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		iw.IsWatching = isWatching
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		if _, err := x.ID(iw.ID).Cols("is_watching", "updated_unix").Update(iw); err != nil {
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			return err
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		}
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	}
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	return nil
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}
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// GetIssueWatch returns all IssueWatch objects from db by user and issue
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// the current Web-UI need iw object for watchers AND explicit non-watchers
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func GetIssueWatch(userID, issueID int64) (iw *IssueWatch, exists bool, err error) {
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	return getIssueWatch(x, userID, issueID)
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}
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// Return watcher AND explicit non-watcher if entry in db exist
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func getIssueWatch(e Engine, userID, issueID int64) (iw *IssueWatch, exists bool, err error) {
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	iw = new(IssueWatch)
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	exists, err = e.
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		Where("user_id = ?", userID).
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		And("issue_id = ?", issueID).
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		Get(iw)
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	return
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}
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// GetIssueWatchersIDs returns IDs of subscribers to a given issue id
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// but avoids joining with `user` for performance reasons
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// User permissions must be verified elsewhere if required
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func GetIssueWatchersIDs(issueID int64) ([]int64, error) {
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	ids := make([]int64, 0, 64)
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	return ids, x.Table("issue_watch").
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		Where("issue_id=?", issueID).
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		And("is_watching = ?", true).
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		Select("user_id").
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		Find(&ids)
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}
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// GetIssueWatchers returns watchers/unwatchers of a given issue
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func GetIssueWatchers(issueID int64) (IssueWatchList, error) {
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	return getIssueWatchers(x, issueID)
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}
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func getIssueWatchers(e Engine, issueID int64) (watches IssueWatchList, err error) {
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	err = e.
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		Where("`issue_watch`.issue_id = ?", issueID).
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		And("`issue_watch`.is_watching = ?", true).
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		And("`user`.is_active = ?", true).
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		And("`user`.prohibit_login = ?", false).
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		Join("INNER", "`user`", "`user`.id = `issue_watch`.user_id").
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		Find(&watches)
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	return
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}
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func removeIssueWatchersByRepoID(e Engine, userID int64, repoID int64) error {
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	iw := &IssueWatch{
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		IsWatching: false,
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	}
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	_, err := e.
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		Join("INNER", "issue", "`issue`.id = `issue_watch`.issue_id AND `issue`.repo_id = ?", repoID).
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		Cols("is_watching", "updated_unix").
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		Where("`issue_watch`.user_id = ?", userID).
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		Update(iw)
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	return err
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}
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// LoadWatchUsers return watching users
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func (iwl IssueWatchList) LoadWatchUsers() (users UserList, err error) {
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	return iwl.loadWatchUsers(x)
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}
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func (iwl IssueWatchList) loadWatchUsers(e Engine) (users UserList, err error) {
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	if len(iwl) == 0 {
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		return []*User{}, nil
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	}
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	var userIDs = make([]int64, 0, len(iwl))
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	for _, iw := range iwl {
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		if iw.IsWatching {
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			userIDs = append(userIDs, iw.UserID)
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		}
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	}
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	if len(userIDs) == 0 {
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		return []*User{}, nil
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	}
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	err = e.In("id", userIDs).Find(&users)
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	return
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}
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