138 lines
3.5 KiB
Go
138 lines
3.5 KiB
Go
package models
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import (
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"strings"
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"time"
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)
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// Message table.
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type Message struct {
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ID uint64 `gorm:"primaryKey"`
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SourceUserID uint64 `gorm:"index"`
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TargetUserID uint64 `gorm:"index"`
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Read bool `gorm:"index"`
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Message string
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CreatedAt time.Time
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UpdatedAt time.Time
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}
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// GetMessage by ID.
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func GetMessage(id uint64) (*Message, error) {
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m := &Message{}
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result := DB.First(&m, id)
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return m, result.Error
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}
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// GetMessages for a user.
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func GetMessages(userID uint64, sent bool, pager *Pagination) ([]*Message, error) {
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var (
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m = []*Message{}
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blockedUserIDs = BlockedUserIDs(userID)
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where = []string{}
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placeholders = []interface{}{}
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)
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if sent {
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where = append(where, "source_user_id = ?")
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placeholders = append(placeholders, userID)
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if len(blockedUserIDs) > 0 {
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where = append(where, "target_user_id NOT IN ?")
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placeholders = append(placeholders, blockedUserIDs)
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}
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} else {
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where = append(where, "target_user_id = ?")
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placeholders = append(placeholders, userID)
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if len(blockedUserIDs) > 0 {
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where = append(where, "source_user_id NOT IN ?")
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placeholders = append(placeholders, blockedUserIDs)
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}
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}
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query := DB.Where(
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strings.Join(where, " AND "),
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placeholders...,
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).Order(pager.Sort)
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query.Model(&Message{}).Count(&pager.Total)
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result := query.Offset(pager.GetOffset()).Limit(pager.PerPage).Find(&m)
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return m, result.Error
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}
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// GetMessageThread returns paginated message history between two people.
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func GetMessageThread(sourceUserID, targetUserID uint64, pager *Pagination) ([]*Message, error) {
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var m = []*Message{}
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query := DB.Where(
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"(source_user_id = ? AND target_user_id = ?) OR (source_user_id = ? AND target_user_id = ?)",
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sourceUserID, targetUserID,
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targetUserID, sourceUserID,
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).Order(pager.Sort)
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query.Model(&Message{}).Count(&pager.Total)
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result := query.Offset(pager.GetOffset()).Limit(pager.PerPage).Find(&m)
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return m, result.Error
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}
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// HasMessageThread returns if a message thread exists between two users (either direction).
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// Returns the ID of the thread and a boolean OK that it existed.
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func HasMessageThread(a, b *User) (uint64, bool) {
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var pager = &Pagination{
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Page: 1,
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PerPage: 1,
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Sort: "updated_at desc",
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}
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messages, err := GetMessageThread(a.ID, b.ID, pager)
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if err == nil && len(messages) > 0 {
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return messages[0].ID, true
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}
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return 0, false
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}
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// DeleteMessageThread removes all message history between two people.
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func DeleteMessageThread(message *Message) error {
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return DB.Where(
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"(source_user_id = ? AND target_user_id = ?) OR (source_user_id = ? AND target_user_id = ?)",
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message.SourceUserID, message.TargetUserID,
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message.TargetUserID, message.SourceUserID,
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).Delete(&Message{}).Error
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}
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// CountUnreadMessages gets the count of unread messages for a user.
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func CountUnreadMessages(userID uint64) (int64, error) {
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query := DB.Where(
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"target_user_id = ? AND read = ?",
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userID,
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false,
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)
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var count int64
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result := query.Model(&Message{}).Count(&count)
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return count, result.Error
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}
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// SendMessage from a source to a target user.
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func SendMessage(sourceUserID, targetUserID uint64, message string) (*Message, error) {
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m := &Message{
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SourceUserID: sourceUserID,
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TargetUserID: targetUserID,
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Message: message,
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Read: false,
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}
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result := DB.Create(m)
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return m, result.Error
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}
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// Save message.
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func (m *Message) Save() error {
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result := DB.Save(m)
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return result.Error
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}
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// Delete a message.
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func (m *Message) Delete() error {
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return DB.Delete(m).Error
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}
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