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state.go
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state.go
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package main
import (
"errors"
"fmt"
"os"
)
// ErrNotConfigured is returned when a guild is not configured
var ErrNotConfigured = errors.New("guild is not configured")
// ErrAlreadyClaimed is returned when a user is already claimed
var ErrAlreadyClaimed = errors.New("user is already claimed")
// ErrDoesNotExist is returned when a user does not exist
var ErrDoesNotExist = errors.New("user does not exist")
// GuildState keeps track of the state of a single guild
type GuildState struct {
adventOfCode *AdventOfCode
db *Database
}
// NewGuildState creates a new guild state
func NewGuildState(sessionCookie, year, id string, log *os.File) (*GuildState, error) {
database, err := NewDatabase(log, log)
if err != nil {
return nil, err
}
return &GuildState{
adventOfCode: NewAdventOfCode(sessionCookie, year, id),
db: database,
}, nil
}
// ClaimName claims a user by Advent of Code name
func (guildState *GuildState) ClaimName(discordUserID string, username string) error {
member, ok := guildState.GetLeaderboard().GetMemberByName(username)
if !ok {
// Update the leaderboard and try again
member, ok = guildState.UpdateLeaderboard().GetMemberByName(username)
}
if !ok {
return ErrDoesNotExist
}
id := fmt.Sprint(member.ID)
// Check if the user is already claimed
if guildState.db.CheckClaim(id) {
return ErrAlreadyClaimed
}
return guildState.db.Claim(discordUserID, id)
}
// ClaimID claims a user by Advent of Code ID
func (guildState *GuildState) ClaimID(discordUserID string, id string) error {
member, ok := guildState.GetLeaderboard().GetMemberByID(id)
if !ok {
// Update the leaderboard and try again
member, ok = guildState.UpdateLeaderboard().GetMemberByID(id)
}
if !ok {
return ErrDoesNotExist
}
id = fmt.Sprint(member.ID)
// Check if the user is already claimed
if guildState.db.CheckClaim(id) {
return ErrAlreadyClaimed
}
return guildState.db.Claim(discordUserID, id)
}
// Unclaim removes a claim from a user by Discord ID
func (guildState *GuildState) Unclaim(discordUserID string) error {
return guildState.db.Unclaim(discordUserID)
}
// CloseNames gets a list of 3 close names to the given name
func (guildState *GuildState) CloseNames(username string) ([]string, error) {
return guildState.GetLeaderboard().CloseNames(username)
}
// GetLeaderboard is wrapper for guildState.adventOfCode.GetLeaderboard()
func (guildState *GuildState) GetLeaderboard() *Leaderboard {
return guildState.adventOfCode.GetLeaderboard()
}
// UpdateLeaderboard updates the leaderboard before returning it
func (guildState *GuildState) UpdateLeaderboard() *Leaderboard {
guildState.adventOfCode.UpdateLeaderboard()
return guildState.adventOfCode.GetLeaderboard()
}