54 lines
1.6 KiB
Go
54 lines
1.6 KiB
Go
package common
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import (
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"database/sql"
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"errors"
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"strconv"
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"../query_gen/lib"
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)
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var Reports ReportStore
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var ErrAlreadyReported = errors.New("This item has already been reported")
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// The report system mostly wraps around the topic system for simplicty
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type ReportStore interface {
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Create(title string, content string, user *User, itemType string, itemID int) (int, error)
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}
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type DefaultReportStore struct {
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create *sql.Stmt
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exists *sql.Stmt
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}
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func NewDefaultReportStore(acc *qgen.Accumulator) (*DefaultReportStore, error) {
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return &DefaultReportStore{
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create: acc.Insert("topics").Columns("title, content, parsed_content, ipaddress, createdAt, lastReplyAt, createdBy, lastReplyBy, data, parentID, css_class").Fields("?,?,?,?,UTC_TIMESTAMP(),UTC_TIMESTAMP(),?,?,?,1,'report'").Prepare(),
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exists: acc.Count("topics").Where("data = ? AND data != '' AND parentID = 1").Prepare(),
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}, acc.FirstError()
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}
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// ! There's a data race in this. If two users report one item at the exact same time, then both reports will go through
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func (store *DefaultReportStore) Create(title string, content string, user *User, itemType string, itemID int) (int, error) {
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var count int
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err := store.exists.QueryRow(itemType + "_" + strconv.Itoa(itemID)).Scan(&count)
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if err != nil && err != sql.ErrNoRows {
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return 0, err
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}
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if count != 0 {
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return 0, ErrAlreadyReported
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}
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res, err := store.create.Exec(title, content, ParseMessage(content, 0, ""), user.LastIP, user.ID, user.ID, itemType+"_"+strconv.Itoa(itemID))
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if err != nil {
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return 0, err
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}
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lastID, err := res.LastInsertId()
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if err != nil {
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return 0, err
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}
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return int(lastID), Forums.AddTopic(int(lastID), user.ID, 1)
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}
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