d91897efe4
Optimise PollResults() with a byte buffer.
101 lines
2.5 KiB
Go
101 lines
2.5 KiB
Go
package routes
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import (
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"bytes"
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"database/sql"
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"errors"
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"net/http"
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"strconv"
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c "github.com/Azareal/Gosora/common"
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)
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func PollVote(w http.ResponseWriter, r *http.Request, u *c.User, sPollID string) c.RouteError {
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pollID, err := strconv.Atoi(sPollID)
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if err != nil {
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return c.PreError("The provided PollID is not a valid number.", w, r)
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}
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poll, err := c.Polls.Get(pollID)
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if err == sql.ErrNoRows {
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return c.PreError("The poll you tried to vote for doesn't exist.", w, r)
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} else if err != nil {
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return c.InternalError(err, w, r)
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}
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var topic *c.Topic
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if poll.ParentTable == "replies" {
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reply, err := c.Rstore.Get(poll.ParentID)
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if err == sql.ErrNoRows {
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return c.PreError("The parent post doesn't exist.", w, r)
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} else if err != nil {
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return c.InternalError(err, w, r)
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}
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topic, err = c.Topics.Get(reply.ParentID)
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} else if poll.ParentTable == "topics" {
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topic, err = c.Topics.Get(poll.ParentID)
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} else {
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return c.InternalError(errors.New("Unknown parentTable for poll"), w, r)
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}
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if err == sql.ErrNoRows {
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return c.PreError("The parent topic doesn't exist.", w, r)
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} else if err != nil {
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return c.InternalError(err, w, r)
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}
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// TODO: Add hooks to make use of headerLite
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_, ferr := c.SimpleForumUserCheck(w, r, u, topic.ParentID)
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if ferr != nil {
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return ferr
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}
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if !u.Perms.ViewTopic {
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return c.NoPermissions(w, r, u)
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}
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optIndex, err := strconv.Atoi(r.PostFormValue("poll_option_input"))
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if err != nil {
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return c.LocalError("Malformed input", w, r, u)
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}
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err = poll.CastVote(optIndex, u.ID, u.GetIP())
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if err != nil {
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return c.InternalError(err, w, r)
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}
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http.Redirect(w, r, "/topic/"+strconv.Itoa(topic.ID), http.StatusSeeOther)
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return nil
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}
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func PollResults(w http.ResponseWriter, r *http.Request, u *c.User, sPollID string) c.RouteError {
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//log.Print("in PollResults")
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pollID, err := strconv.Atoi(sPollID)
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if err != nil {
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return c.PreError("The provided PollID is not a valid number.", w, r)
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}
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poll, err := c.Polls.Get(pollID)
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if err == sql.ErrNoRows {
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return c.PreError("The poll you tried to vote for doesn't exist.", w, r)
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} else if err != nil {
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return c.InternalError(err, w, r)
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}
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// TODO: Implement a version of this which doesn't rely so much on sequential order
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var ob bytes.Buffer
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ob.WriteRune('[')
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var i int
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e := poll.Resultsf(func(votes int) error {
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if i != 0 {
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ob.WriteRune(',')
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}
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ob.WriteString(strconv.Itoa(votes))
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i++
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return nil
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})
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if e != nil && e != sql.ErrNoRows {
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return c.InternalError(e, w, r)
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}
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ob.WriteRune(']')
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w.Write(ob.Bytes())
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return nil
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}
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