69 lines
1.3 KiB
Go
69 lines
1.3 KiB
Go
package models
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import (
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"errors"
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"time"
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"code.nonshy.com/nonshy/website/pkg/log"
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)
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// PollVote table records answers to polls.
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type PollVote struct {
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ID uint64 `gorm:"primaryKey"`
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PollID uint64 `gorm:"index"`
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Poll Poll
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UserID uint64 `gorm:"index"`
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Answer string
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CreatedAt time.Time
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UpdatedAt time.Time
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}
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// CastVote on a poll. Multiple answers OK for multiple choice polls.
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func (p *Poll) CastVote(user *User, answers []string) error {
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if len(answers) > 1 && !p.MultipleChoice {
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return errors.New("multiple answers not accepted for this poll")
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}
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// If this user has already voted, remove their vote.
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result := DB.Where(
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"poll_id = ? AND user_id = ?",
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p.ID, user.ID,
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).Delete(&PollVote{})
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if result.Error != nil {
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return result.Error
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}
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// Insert their votes.
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var err error
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for _, answer := range answers {
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vote := &PollVote{
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PollID: p.ID,
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UserID: user.ID,
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Answer: answer,
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}
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err = vote.Save()
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}
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return err
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}
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// GetAllVotes for a poll.
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func (p *Poll) GetAllVotes() []*PollVote {
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var pv = []*PollVote{}
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result := DB.Where(
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"poll_id = ?", p.ID,
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).Find(&pv)
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if result.Error != nil {
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log.Error("Poll(%d).GetAllVotes(): %s", p.ID, result.Error)
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}
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return pv
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}
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// Save Poll.
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func (v *PollVote) Save() error {
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result := DB.Save(v)
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return result.Error
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}
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