mirror of
https://github.com/go-gitea/gitea
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Change all license headers to comply with REUSE specification. Fix #16132 Co-authored-by: flynnnnnnnnnn <flynnnnnnnnnn@github> Co-authored-by: John Olheiser <john.olheiser@gmail.com>
187 lines
5.4 KiB
Go
187 lines
5.4 KiB
Go
// Copyright 2017 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package repo
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import (
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"context"
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"code.gitea.io/gitea/models/db"
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/timeutil"
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)
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// WatchMode specifies what kind of watch the user has on a repository
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type WatchMode int8
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const (
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// WatchModeNone don't watch
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WatchModeNone WatchMode = iota // 0
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// WatchModeNormal watch repository (from other sources)
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WatchModeNormal // 1
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// WatchModeDont explicit don't auto-watch
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WatchModeDont // 2
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// WatchModeAuto watch repository (from AutoWatchOnChanges)
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WatchModeAuto // 3
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)
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// Watch is connection request for receiving repository notification.
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type Watch struct {
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ID int64 `xorm:"pk autoincr"`
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UserID int64 `xorm:"UNIQUE(watch)"`
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RepoID int64 `xorm:"UNIQUE(watch)"`
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Mode WatchMode `xorm:"SMALLINT NOT NULL DEFAULT 1"`
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CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
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UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
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}
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func init() {
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db.RegisterModel(new(Watch))
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}
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// GetWatch gets what kind of subscription a user has on a given repository; returns dummy record if none found
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func GetWatch(ctx context.Context, userID, repoID int64) (Watch, error) {
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watch := Watch{UserID: userID, RepoID: repoID}
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has, err := db.GetEngine(ctx).Get(&watch)
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if err != nil {
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return watch, err
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}
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if !has {
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watch.Mode = WatchModeNone
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}
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return watch, nil
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}
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// IsWatchMode Decodes watchability of WatchMode
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func IsWatchMode(mode WatchMode) bool {
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return mode != WatchModeNone && mode != WatchModeDont
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}
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// IsWatching checks if user has watched given repository.
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func IsWatching(userID, repoID int64) bool {
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watch, err := GetWatch(db.DefaultContext, userID, repoID)
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return err == nil && IsWatchMode(watch.Mode)
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}
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func watchRepoMode(ctx context.Context, watch Watch, mode WatchMode) (err error) {
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if watch.Mode == mode {
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return nil
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}
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if mode == WatchModeAuto && (watch.Mode == WatchModeDont || IsWatchMode(watch.Mode)) {
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// Don't auto watch if already watching or deliberately not watching
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return nil
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}
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hadrec := watch.Mode != WatchModeNone
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needsrec := mode != WatchModeNone
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repodiff := 0
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if IsWatchMode(mode) && !IsWatchMode(watch.Mode) {
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repodiff = 1
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} else if !IsWatchMode(mode) && IsWatchMode(watch.Mode) {
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repodiff = -1
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}
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watch.Mode = mode
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e := db.GetEngine(ctx)
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if !hadrec && needsrec {
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watch.Mode = mode
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if _, err = e.Insert(watch); err != nil {
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return err
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}
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} else if needsrec {
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watch.Mode = mode
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if _, err := e.ID(watch.ID).AllCols().Update(watch); err != nil {
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return err
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}
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} else if _, err = e.Delete(Watch{ID: watch.ID}); err != nil {
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return err
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}
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if repodiff != 0 {
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_, err = e.Exec("UPDATE `repository` SET num_watches = num_watches + ? WHERE id = ?", repodiff, watch.RepoID)
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}
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return err
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}
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// WatchRepoMode watch repository in specific mode.
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func WatchRepoMode(userID, repoID int64, mode WatchMode) (err error) {
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var watch Watch
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if watch, err = GetWatch(db.DefaultContext, userID, repoID); err != nil {
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return err
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}
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return watchRepoMode(db.DefaultContext, watch, mode)
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}
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// WatchRepo watch or unwatch repository.
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func WatchRepo(ctx context.Context, userID, repoID int64, doWatch bool) (err error) {
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var watch Watch
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if watch, err = GetWatch(ctx, userID, repoID); err != nil {
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return err
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}
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if !doWatch && watch.Mode == WatchModeAuto {
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err = watchRepoMode(ctx, watch, WatchModeDont)
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} else if !doWatch {
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err = watchRepoMode(ctx, watch, WatchModeNone)
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} else {
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err = watchRepoMode(ctx, watch, WatchModeNormal)
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}
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return err
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}
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// GetWatchers returns all watchers of given repository.
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func GetWatchers(ctx context.Context, repoID int64) ([]*Watch, error) {
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watches := make([]*Watch, 0, 10)
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return watches, db.GetEngine(ctx).Where("`watch`.repo_id=?", repoID).
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And("`watch`.mode<>?", WatchModeDont).
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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 = `watch`.user_id").
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Find(&watches)
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}
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// GetRepoWatchersIDs returns IDs of watchers for a given repo 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 GetRepoWatchersIDs(ctx context.Context, repoID int64) ([]int64, error) {
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ids := make([]int64, 0, 64)
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return ids, db.GetEngine(ctx).Table("watch").
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Where("watch.repo_id=?", repoID).
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And("watch.mode<>?", WatchModeDont).
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Select("user_id").
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Find(&ids)
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}
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// GetRepoWatchers returns range of users watching given repository.
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func GetRepoWatchers(repoID int64, opts db.ListOptions) ([]*user_model.User, error) {
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sess := db.GetEngine(db.DefaultContext).Where("watch.repo_id=?", repoID).
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Join("LEFT", "watch", "`user`.id=`watch`.user_id").
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And("`watch`.mode<>?", WatchModeDont)
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if opts.Page > 0 {
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sess = db.SetSessionPagination(sess, &opts)
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users := make([]*user_model.User, 0, opts.PageSize)
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return users, sess.Find(&users)
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}
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users := make([]*user_model.User, 0, 8)
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return users, sess.Find(&users)
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}
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// WatchIfAuto subscribes to repo if AutoWatchOnChanges is set
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func WatchIfAuto(ctx context.Context, userID, repoID int64, isWrite bool) error {
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if !isWrite || !setting.Service.AutoWatchOnChanges {
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return nil
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}
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watch, err := GetWatch(ctx, userID, repoID)
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if err != nil {
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return err
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}
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if watch.Mode != WatchModeNone {
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return nil
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}
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return watchRepoMode(ctx, watch, WatchModeAuto)
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}
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