138 lines
3.8 KiB
Go
138 lines
3.8 KiB
Go
/*
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*
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* Reply Resources File
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* Copyright Azareal 2016 - 2018
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*
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*/
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package common
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import (
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"database/sql"
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"errors"
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"time"
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"../query_gen/lib"
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)
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type ReplyUser struct {
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ID int
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ParentID int
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Content string
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ContentHtml string
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CreatedBy int
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UserLink string
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CreatedByName string
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Group int
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CreatedAt time.Time
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RelativeCreatedAt string
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LastEdit int
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LastEditBy int
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Avatar string
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ClassName string
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ContentLines int
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Tag string
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URL string
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URLPrefix string
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URLName string
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Level int
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IPAddress string
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Liked bool
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LikeCount int
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ActionType string
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ActionIcon string
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}
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type Reply struct {
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ID int
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ParentID int
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Content string
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CreatedBy int
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Group int
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CreatedAt time.Time
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RelativeCreatedAt string
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LastEdit int
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LastEditBy int
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ContentLines int
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IPAddress string
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Liked bool
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LikeCount int
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}
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var ErrAlreadyLiked = errors.New("You already liked this!")
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var replyStmts ReplyStmts
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type ReplyStmts struct {
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isLiked *sql.Stmt
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createLike *sql.Stmt
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delete *sql.Stmt
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addLikesToReply *sql.Stmt
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removeRepliesFromTopic *sql.Stmt
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getParent *sql.Stmt
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}
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func init() {
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DbInits.Add(func() error {
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acc := qgen.Builder.Accumulator()
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replyStmts = ReplyStmts{
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isLiked: acc.SimpleSelect("likes", "targetItem", "sentBy = ? and targetItem = ? and targetType = 'replies'", "", ""),
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createLike: acc.SimpleInsert("likes", "weight, targetItem, targetType, sentBy", "?,?,?,?"),
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delete: acc.SimpleDelete("replies", "rid = ?"),
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addLikesToReply: acc.SimpleUpdate("replies", "likeCount = likeCount + ?", "rid = ?"),
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removeRepliesFromTopic: acc.SimpleUpdate("topics", "postCount = postCount - ?", "tid = ?"),
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getParent: acc.SimpleLeftJoin("replies", "topics", "topics.tid, topics.title, topics.content, topics.createdBy, topics.createdAt, topics.is_closed, topics.sticky, topics.parentID, topics.ipaddress, topics.postCount, topics.likeCount, topics.data", "replies.tid = topics.tid", "rid = ?", "", ""),
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}
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return acc.FirstError()
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})
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}
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// TODO: Write tests for this
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// TODO: Wrap these queries in a transaction to make sure the state is consistent
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func (reply *Reply) Like(uid int) (err error) {
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var rid int // unused, just here to avoid mutating reply.ID
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err = replyStmts.isLiked.QueryRow(uid, reply.ID).Scan(&rid)
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if err != nil && err != ErrNoRows {
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return err
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} else if err != ErrNoRows {
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return ErrAlreadyLiked
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}
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score := 1
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_, err = replyStmts.createLike.Exec(score, reply.ID, "replies", uid)
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if err != nil {
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return err
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}
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_, err = replyStmts.addLikesToReply.Exec(1, reply.ID)
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return err
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}
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// TODO: Write tests for this
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func (reply *Reply) Delete() error {
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_, err := replyStmts.delete.Exec(reply.ID)
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if err != nil {
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return err
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}
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// TODO: Move this bit to *Topic
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_, err = replyStmts.removeRepliesFromTopic.Exec(1, reply.ParentID)
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tcache, ok := Topics.(TopicCache)
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if ok {
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tcache.CacheRemove(reply.ParentID)
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}
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return err
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}
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func (reply *Reply) Topic() (*Topic, error) {
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topic := Topic{ID: 0}
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err := replyStmts.getParent.QueryRow(reply.ID).Scan(&topic.ID, &topic.Title, &topic.Content, &topic.CreatedBy, &topic.CreatedAt, &topic.IsClosed, &topic.Sticky, &topic.ParentID, &topic.IPAddress, &topic.PostCount, &topic.LikeCount, &topic.Data)
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topic.Link = BuildTopicURL(NameToSlug(topic.Title), topic.ID)
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return &topic, err
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}
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// Copy gives you a non-pointer concurrency safe copy of the reply
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func (reply *Reply) Copy() Reply {
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return *reply
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}
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func BlankReply() *Reply {
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return &Reply{ID: 0}
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}
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