146 lines
3.7 KiB
Go
146 lines
3.7 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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"html"
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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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edit *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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}
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func init() {
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DbInits.Add(func(acc *qgen.Accumulator) error {
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replyStmts = ReplyStmts{
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isLiked: acc.Select("likes").Columns("targetItem").Where("sentBy = ? and targetItem = ? and targetType = 'replies'").Prepare(),
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createLike: acc.Insert("likes").Columns("weight, targetItem, targetType, sentBy").Fields("?,?,?,?").Prepare(),
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edit: acc.Update("replies").Set("content = ?, parsed_content = ?, poll = ?").Where("rid = ?").Prepare(),
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delete: acc.Delete("replies").Where("rid = ?").Prepare(),
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addLikesToReply: acc.Update("replies").Set("likeCount = likeCount + ?").Where("rid = ?").Prepare(),
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removeRepliesFromTopic: acc.Update("topics").Set("postCount = postCount - ?").Where("tid = ?").Prepare(),
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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 := Topics.GetCache()
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if tcache != nil {
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tcache.Remove(reply.ParentID)
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}
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return err
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}
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func (reply *Reply) SetPost(content string) error {
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topic, err := reply.Topic()
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if err != nil {
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return err
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}
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content = PreparseMessage(html.UnescapeString(content))
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parsedContent := ParseMessage(content, topic.ParentID, "forums")
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_, err = replyStmts.edit.Exec(content, parsedContent, 0, reply.ID)
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return err
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}
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func (reply *Reply) SetPoll(content string) error {
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return nil
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}
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func (reply *Reply) Topic() (*Topic, error) {
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return Topics.Get(reply.ParentID)
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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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