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group.go
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group.go
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package entities
import (
"fmt"
"strings"
"github.com/rs/xid"
)
type Group struct {
groupID string
name string
description string
members map[string]*User
}
func (group *Group) GetID() string {
return group.groupID
}
func (group *Group) AddMembers(members ...*User) {
for _, member := range members {
group.members[member.GetID()] = member
}
}
func (group *Group) GetMembers() (members []*User) {
for _, member := range group.members {
members = append(members, member)
}
return members
}
func (group *Group) RemoveMember(userID string) {
delete(group.members, userID)
}
func NewGroup(name, description string, members ...*User) *Group {
group := &Group{
groupID: xid.New().String(),
name: name,
description: description,
}
for _, member := range members {
group.members[member.userID] = member
}
return group
}
func (group *Group) CreationMessage() string {
message := fmt.Sprintf("Created A group,\nGroupID: %s\nTitle:%s\nDescription:%s\n The memebers are:\n", group.groupID, group.name, group.description)
idx := 1
for _, user := range group.members {
message += fmt.Sprintf("%d:\t%s (%s)\n", idx, user.name, user.userID)
idx++
}
return message
}
func (group *Group) String() string {
var userNames []string
for _, user := range group.members {
userNames = append(userNames, user.name)
}
return `----------------------------------------------------------------------------------------------\n` + fmt.Sprintf("Groups \t%s(%s)\n created\nMembers:\t%s.\n", group.name, group.groupID, strings.Join(userNames, ",")) + `----------------------------------------------------------------------------------------------\n`
}