GraphQL API and utilities for the rpdata project
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package mongodb
import (
"context"
"errors"
"git.aiterp.net/rpdata/api/internal/generate"
"git.aiterp.net/rpdata/api/models"
"github.com/globalsign/mgo"
"github.com/globalsign/mgo/bson"
"strconv"
"sync"
)
type logRepository struct {
openMutex sync.Mutex
logs *mgo.Collection
posts *mgo.Collection
shortIdCounter *counter
}
func newLogRepository(db *mgo.Database) (*logRepository, error) {
logs := db.C("logbot3.logs")
posts := db.C("logbot3.posts")
err := logs.EnsureIndexKey("date")
if err != nil {
return nil, err
}
err = logs.EnsureIndexKey("channel")
if err != nil {
return nil, err
}
err = logs.EnsureIndexKey("characterIds")
if err != nil {
return nil, err
}
err = logs.EnsureIndexKey("event")
if err != nil {
return nil, err
}
err = logs.EnsureIndex(mgo.Index{Key: []string{"channel", "open"}})
if err != nil {
return nil, err
}
err = logs.EnsureIndex(mgo.Index{
Key: []string{"shortId"},
Unique: true,
DropDups: true,
})
if err != nil {
return nil, err
}
return &logRepository{
logs: logs,
posts: posts,
shortIdCounter: newCounter(db, "auto_increment", "Log"),
}, nil
}
func (r *logRepository) Find(ctx context.Context, id string) (*models.Log, error) {
log := new(models.Log)
err := r.logs.Find(bson.M{"$or": []bson.M{{"_id": id}, {"shortId": id}}}).One(log)
if err != nil {
return nil, err
}
return log, nil
}
func (r *logRepository) List(ctx context.Context, filter models.LogFilter) ([]*models.Log, error) {
query := bson.M{}
if filter.Search != nil {
searchQuery := bson.M{
"$text": bson.M{"$search": *filter.Search},
"logId": bson.M{"$ne": nil},
}
logIds := make([]string, 0, 64)
err := r.posts.Find(searchQuery).Distinct("logId", &logIds)
if err != nil {
return nil, err
}
query["shortId"] = bson.M{"$in": logIds}
}
if filter.Open != nil {
r.openMutex.Lock()
defer r.openMutex.Unlock()
query["open"] = filter.Open
}
if len(filter.Characters) > 0 {
query["characterIds"] = bson.M{"$in": filter.Characters}
}
if len(filter.Channels) > 0 {
query["channel"] = bson.M{"$in": filter.Channels}
}
if len(filter.Events) > 0 {
query["event"] = bson.M{"$in": filter.Events}
}
logs := make([]*models.Log, 0, 32)
err := r.logs.Find(query).Sort("-date").Limit(filter.Limit).All(&logs)
if err != nil {
if err == mgo.ErrNotFound {
return logs, nil
}
return nil, err
}
return logs, nil
}
func (r *logRepository) Insert(ctx context.Context, log models.Log) (*models.Log, error) {
nextShortId, err := r.shortIdCounter.Increment(1)
if err != nil {
return nil, err
}
log.ID = generate.LogID(log)
log.ShortID = "L" + strconv.Itoa(nextShortId)
if log.Open {
// There can be only one open log in the same channel.
r.openMutex.Lock()
defer r.openMutex.Unlock()
_, err = r.logs.UpdateAll(bson.M{"channel": log.ChannelName, "open": true}, bson.M{"$set": bson.M{"open": false}})
if err != nil {
return nil, errors.New("Cannot close other logs: " + err.Error())
}
}
err = r.logs.Insert(&log)
if err != nil {
return nil, err
}
return &log, nil
}
func (r *logRepository) Update(ctx context.Context, log models.Log, update models.LogUpdate) (*models.Log, error) {
updateBson := bson.M{}
if update.Open != nil {
if *update.Open == true {
// There can be only one open log in the same channel.
r.openMutex.Lock()
defer r.openMutex.Unlock()
_, err := r.logs.UpdateAll(bson.M{"channel": log.ChannelName, "open": true}, bson.M{"$set": bson.M{"open": false}})
if err != nil {
return nil, errors.New("Cannot close other logs: " + err.Error())
}
}
updateBson["open"] = *update.Open
log.Open = *update.Open
}
if update.Title != nil {
updateBson["title"] = *update.Title
log.Title = *update.Title
}
if update.Description != nil {
updateBson["description"] = *update.Description
log.Description = *update.Description
}
if update.EventName != nil {
updateBson["event"] = *update.EventName
log.EventName = *update.EventName
}
err := r.logs.UpdateId(log.ID, bson.M{"$set": updateBson})
if err != nil {
return nil, err
}
return &log, nil
}
func (r *logRepository) Delete(ctx context.Context, log models.Log) error {
err := r.logs.RemoveId(log.ID)
if err != nil {
return err
}
_, _ = r.posts.RemoveAll(bson.M{"logId": log.ShortID})
return nil
}