gosora/routes/poll.go

107 lines
2.8 KiB
Go

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