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forgejo/models/issues/reaction.go

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Go

// Copyright 2017 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package issues
import (
"bytes"
"context"
"fmt"
"code.gitea.io/gitea/models/db"
repo_model "code.gitea.io/gitea/models/repo"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/container"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/timeutil"
"xorm.io/builder"
)
// ErrForbiddenIssueReaction is used when a forbidden reaction was try to created
type ErrForbiddenIssueReaction struct {
Reaction string
}
// IsErrForbiddenIssueReaction checks if an error is a ErrForbiddenIssueReaction.
func IsErrForbiddenIssueReaction(err error) bool {
_, ok := err.(ErrForbiddenIssueReaction)
return ok
}
func (err ErrForbiddenIssueReaction) Error() string {
return fmt.Sprintf("'%s' is not an allowed reaction", err.Reaction)
}
// ErrReactionAlreadyExist is used when a existing reaction was try to created
type ErrReactionAlreadyExist struct {
Reaction string
}
// IsErrReactionAlreadyExist checks if an error is a ErrReactionAlreadyExist.
func IsErrReactionAlreadyExist(err error) bool {
_, ok := err.(ErrReactionAlreadyExist)
return ok
}
func (err ErrReactionAlreadyExist) Error() string {
return fmt.Sprintf("reaction '%s' already exists", err.Reaction)
}
// Reaction represents a reactions on issues and comments.
type Reaction struct {
ID int64 `xorm:"pk autoincr"`
Type string `xorm:"INDEX UNIQUE(s) NOT NULL"`
IssueID int64 `xorm:"INDEX UNIQUE(s) NOT NULL"`
CommentID int64 `xorm:"INDEX UNIQUE(s)"`
UserID int64 `xorm:"INDEX UNIQUE(s) NOT NULL"`
OriginalAuthorID int64 `xorm:"INDEX UNIQUE(s) NOT NULL DEFAULT(0)"`
OriginalAuthor string `xorm:"INDEX UNIQUE(s)"`
User *user_model.User `xorm:"-"`
CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
}
// LoadUser load user of reaction
func (r *Reaction) LoadUser() (*user_model.User, error) {
if r.User != nil {
return r.User, nil
}
user, err := user_model.GetUserByIDCtx(db.DefaultContext, r.UserID)
if err != nil {
return nil, err
}
r.User = user
return user, nil
}
// RemapExternalUser ExternalUserRemappable interface
func (r *Reaction) RemapExternalUser(externalName string, externalID, userID int64) error {
r.OriginalAuthor = externalName
r.OriginalAuthorID = externalID
r.UserID = userID
return nil
}
// GetUserID ExternalUserRemappable interface
func (r *Reaction) GetUserID() int64 { return r.UserID }
// GetExternalName ExternalUserRemappable interface
func (r *Reaction) GetExternalName() string { return r.OriginalAuthor }
// GetExternalID ExternalUserRemappable interface
func (r *Reaction) GetExternalID() int64 { return r.OriginalAuthorID }
func init() {
db.RegisterModel(new(Reaction))
}
// FindReactionsOptions describes the conditions to Find reactions
type FindReactionsOptions struct {
db.ListOptions
IssueID int64
CommentID int64
UserID int64
Reaction string
}
func (opts *FindReactionsOptions) toConds() builder.Cond {
// If Issue ID is set add to Query
cond := builder.NewCond()
if opts.IssueID > 0 {
cond = cond.And(builder.Eq{"reaction.issue_id": opts.IssueID})
}
// If CommentID is > 0 add to Query
// If it is 0 Query ignore CommentID to select
// If it is -1 it explicit search of Issue Reactions where CommentID = 0
if opts.CommentID > 0 {
cond = cond.And(builder.Eq{"reaction.comment_id": opts.CommentID})
} else if opts.CommentID == -1 {
cond = cond.And(builder.Eq{"reaction.comment_id": 0})
}
if opts.UserID > 0 {
cond = cond.And(builder.Eq{
"reaction.user_id": opts.UserID,
"reaction.original_author_id": 0,
})
}
if opts.Reaction != "" {
cond = cond.And(builder.Eq{"reaction.type": opts.Reaction})
}
return cond
}
// FindCommentReactions returns a ReactionList of all reactions from an comment
func FindCommentReactions(issueID, commentID int64) (ReactionList, int64, error) {
return FindReactions(db.DefaultContext, FindReactionsOptions{
IssueID: issueID,
CommentID: commentID,
})
}
// FindIssueReactions returns a ReactionList of all reactions from an issue
func FindIssueReactions(issueID int64, listOptions db.ListOptions) (ReactionList, int64, error) {
return FindReactions(db.DefaultContext, FindReactionsOptions{
ListOptions: listOptions,
IssueID: issueID,
CommentID: -1,
})
}
// FindReactions returns a ReactionList of all reactions from an issue or a comment
func FindReactions(ctx context.Context, opts FindReactionsOptions) (ReactionList, int64, error) {
sess := db.GetEngine(ctx).
Where(opts.toConds()).
In("reaction.`type`", setting.UI.Reactions).
Asc("reaction.issue_id", "reaction.comment_id", "reaction.created_unix", "reaction.id")
if opts.Page != 0 {
sess = db.SetSessionPagination(sess, &opts)
reactions := make([]*Reaction, 0, opts.PageSize)
count, err := sess.FindAndCount(&reactions)
return reactions, count, err
}
reactions := make([]*Reaction, 0, 10)
count, err := sess.FindAndCount(&reactions)
return reactions, count, err
}
func createReaction(ctx context.Context, opts *ReactionOptions) (*Reaction, error) {
reaction := &Reaction{
Type: opts.Type,
UserID: opts.DoerID,
IssueID: opts.IssueID,
CommentID: opts.CommentID,
}
findOpts := FindReactionsOptions{
IssueID: opts.IssueID,
CommentID: opts.CommentID,
Reaction: opts.Type,
UserID: opts.DoerID,
}
existingR, _, err := FindReactions(ctx, findOpts)
if err != nil {
return nil, err
}
if len(existingR) > 0 {
return existingR[0], ErrReactionAlreadyExist{Reaction: opts.Type}
}
if err := db.Insert(ctx, reaction); err != nil {
return nil, err
}
return reaction, nil
}
// ReactionOptions defines options for creating or deleting reactions
type ReactionOptions struct {
Type string
DoerID int64
IssueID int64
CommentID int64
}
// CreateReaction creates reaction for issue or comment.
func CreateReaction(opts *ReactionOptions) (*Reaction, error) {
if !setting.UI.ReactionsMap[opts.Type] {
return nil, ErrForbiddenIssueReaction{opts.Type}
}
ctx, committer, err := db.TxContext()
if err != nil {
return nil, err
}
defer committer.Close()
reaction, err := createReaction(ctx, opts)
if err != nil {
return reaction, err
}
if err := committer.Commit(); err != nil {
return nil, err
}
return reaction, nil
}
// CreateIssueReaction creates a reaction on issue.
func CreateIssueReaction(doerID, issueID int64, content string) (*Reaction, error) {
return CreateReaction(&ReactionOptions{
Type: content,
DoerID: doerID,
IssueID: issueID,
})
}
// CreateCommentReaction creates a reaction on comment.
func CreateCommentReaction(doerID, issueID, commentID int64, content string) (*Reaction, error) {
return CreateReaction(&ReactionOptions{
Type: content,
DoerID: doerID,
IssueID: issueID,
CommentID: commentID,
})
}
// DeleteReaction deletes reaction for issue or comment.
func DeleteReaction(ctx context.Context, opts *ReactionOptions) error {
reaction := &Reaction{
Type: opts.Type,
UserID: opts.DoerID,
IssueID: opts.IssueID,
CommentID: opts.CommentID,
}
_, err := db.GetEngine(ctx).Where("original_author_id = 0").Delete(reaction)
return err
}
// DeleteIssueReaction deletes a reaction on issue.
func DeleteIssueReaction(doerID, issueID int64, content string) error {
return DeleteReaction(db.DefaultContext, &ReactionOptions{
Type: content,
DoerID: doerID,
IssueID: issueID,
})
}
// DeleteCommentReaction deletes a reaction on comment.
func DeleteCommentReaction(doerID, issueID, commentID int64, content string) error {
return DeleteReaction(db.DefaultContext, &ReactionOptions{
Type: content,
DoerID: doerID,
IssueID: issueID,
CommentID: commentID,
})
}
// ReactionList represents list of reactions
type ReactionList []*Reaction
// HasUser check if user has reacted
func (list ReactionList) HasUser(userID int64) bool {
if userID == 0 {
return false
}
for _, reaction := range list {
if reaction.OriginalAuthor == "" && reaction.UserID == userID {
return true
}
}
return false
}
// GroupByType returns reactions grouped by type
func (list ReactionList) GroupByType() map[string]ReactionList {
reactions := make(map[string]ReactionList)
for _, reaction := range list {
reactions[reaction.Type] = append(reactions[reaction.Type], reaction)
}
return reactions
}
func (list ReactionList) getUserIDs() []int64 {
userIDs := make(map[int64]struct{}, len(list))
for _, reaction := range list {
if reaction.OriginalAuthor != "" {
continue
}
if _, ok := userIDs[reaction.UserID]; !ok {
userIDs[reaction.UserID] = struct{}{}
}
}
return container.KeysInt64(userIDs)
}
func valuesUser(m map[int64]*user_model.User) []*user_model.User {
values := make([]*user_model.User, 0, len(m))
for _, v := range m {
values = append(values, v)
}
return values
}
// LoadUsers loads reactions' all users
func (list ReactionList) LoadUsers(ctx context.Context, repo *repo_model.Repository) ([]*user_model.User, error) {
if len(list) == 0 {
return nil, nil
}
userIDs := list.getUserIDs()
userMaps := make(map[int64]*user_model.User, len(userIDs))
err := db.GetEngine(ctx).
In("id", userIDs).
Find(&userMaps)
if err != nil {
return nil, fmt.Errorf("find user: %v", err)
}
for _, reaction := range list {
if reaction.OriginalAuthor != "" {
reaction.User = user_model.NewReplaceUser(fmt.Sprintf("%s(%s)", reaction.OriginalAuthor, repo.OriginalServiceType.Name()))
} else if user, ok := userMaps[reaction.UserID]; ok {
reaction.User = user
} else {
reaction.User = user_model.NewGhostUser()
}
}
return valuesUser(userMaps), nil
}
// GetFirstUsers returns first reacted user display names separated by comma
func (list ReactionList) GetFirstUsers() string {
var buffer bytes.Buffer
rem := setting.UI.ReactionMaxUserNum
for _, reaction := range list {
if buffer.Len() > 0 {
buffer.WriteString(", ")
}
buffer.WriteString(reaction.User.DisplayName())
if rem--; rem == 0 {
break
}
}
return buffer.String()
}
// GetMoreUserCount returns count of not shown users in reaction tooltip
func (list ReactionList) GetMoreUserCount() int {
if len(list) <= setting.UI.ReactionMaxUserNum {
return 0
}
return len(list) - setting.UI.ReactionMaxUserNum
}