gosora/routes/poll.go

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package routes
import (
"database/sql"
"errors"
"log"
"net/http"
"strconv"
"github.com/Azareal/Gosora/common"
"github.com/Azareal/Gosora/query_gen"
)
func PollVote(w http.ResponseWriter, r *http.Request, user common.User, sPollID string) common.RouteError {
pollID, err := strconv.Atoi(sPollID)
if err != nil {
return common.PreError("The provided PollID is not a valid number.", w, r)
}
poll, err := common.Polls.Get(pollID)
if err == sql.ErrNoRows {
return common.PreError("The poll you tried to vote for doesn't exist.", w, r)
} else if err != nil {
return common.InternalError(err, w, r)
}
var topic *common.Topic
if poll.ParentTable == "replies" {
reply, err := common.Rstore.Get(poll.ParentID)
if err == sql.ErrNoRows {
return common.PreError("The parent post doesn't exist.", w, r)
} else if err != nil {
return common.InternalError(err, w, r)
}
topic, err = common.Topics.Get(reply.ParentID)
} else if poll.ParentTable == "topics" {
topic, err = common.Topics.Get(poll.ParentID)
} else {
return common.InternalError(errors.New("Unknown parentTable for poll"), w, r)
}
if err == sql.ErrNoRows {
return common.PreError("The parent topic doesn't exist.", w, r)
} else if err != nil {
return common.InternalError(err, w, r)
}
// TODO: Add hooks to make use of headerLite
_, ferr := common.SimpleForumUserCheck(w, r, &user, topic.ParentID)
if ferr != nil {
return ferr
}
if !user.Perms.ViewTopic {
return common.NoPermissions(w, r, user)
}
optionIndex, err := strconv.Atoi(r.PostFormValue("poll_option_input"))
if err != nil {
return common.LocalError("Malformed input", w, r, user)
}
err = poll.CastVote(optionIndex, user.ID, user.LastIP)
if err != nil {
return common.InternalError(err, w, r)
}
http.Redirect(w, r, "/topic/"+strconv.Itoa(topic.ID), http.StatusSeeOther)
return nil
}
func PollResults(w http.ResponseWriter, r *http.Request, user common.User, sPollID string) common.RouteError {
log.Print("in PollResults")
pollID, err := strconv.Atoi(sPollID)
if err != nil {
return common.PreError("The provided PollID is not a valid number.", w, r)
}
poll, err := common.Polls.Get(pollID)
if err == sql.ErrNoRows {
return common.PreError("The poll you tried to vote for doesn't exist.", w, r)
} else if err != nil {
return common.InternalError(err, w, r)
}
// TODO: Abstract this
rows, err := qgen.NewAcc().Select("polls_options").Columns("votes").Where("pollID = ?").Orderby("option ASC").Query(poll.ID)
if err != nil {
return common.InternalError(err, w, r)
}
defer rows.Close()
var optionList = ""
for rows.Next() {
var votes int
err := rows.Scan(&votes)
if err != nil {
return common.InternalError(err, w, r)
}
optionList += strconv.Itoa(votes) + ","
}
err = rows.Err()
if err != nil {
return common.InternalError(err, w, r)
}
// TODO: Implement a version of this which doesn't rely so much on sequential order
if len(optionList) > 0 {
optionList = optionList[:len(optionList)-1]
}
w.Write([]byte("[" + optionList + "]"))
return nil
}