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95 lines
1.8 KiB
95 lines
1.8 KiB
package mongodb
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import (
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"fmt"
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"github.com/globalsign/mgo/bson"
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"time"
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"git.aiterp.net/rpdata/api/internal/config"
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"git.aiterp.net/rpdata/api/repositories"
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"github.com/globalsign/mgo"
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)
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// Init initializes the mongodb database
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func Init(cfg config.Database) (bundle *repositories.Bundle, closeFn func() error, err error) {
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port := cfg.Port
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if port <= 0 {
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port = 27017
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}
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session, err := mgo.DialWithInfo(&mgo.DialInfo{
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Addrs: []string{fmt.Sprintf("%s:%d", cfg.Host, port)},
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Timeout: 30 * time.Second,
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Database: cfg.Db,
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Username: cfg.Username,
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Password: cfg.Password,
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Mechanism: cfg.Mechanism,
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Source: cfg.Db,
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})
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if err != nil {
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return
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}
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db := session.DB(cfg.Db)
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characters, err := newCharacterRepository(db)
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if err != nil {
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session.Close()
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return nil, nil, err
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}
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bundle = &repositories.Bundle{
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Characters: characters,
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Tags: newTagRepository(db),
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}
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closeFn = func() error {
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session.Close()
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return nil
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}
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return
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}
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type counter struct {
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coll *mgo.Collection
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category string
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name string
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}
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func newCounter(db *mgo.Database, category, name string) *counter {
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return &counter{
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coll: db.C("core.counters"),
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category: category,
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name: name,
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}
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}
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func (c *counter) WithName(name string) *counter {
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return &counter{
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coll: c.coll,
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category: c.category,
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name: name,
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}
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}
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func (c *counter) Increment(amount int) (int, error) {
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type counterDoc struct {
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ID string `bson:"_id"`
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Value int `bson:"value"`
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}
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id := c.category + "." + c.name
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doc := counterDoc{}
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_, err := c.coll.Find(bson.M{"_id": id}).Apply(mgo.Change{
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Update: bson.M{"$inc": bson.M{"value": amount}},
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Upsert: true,
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ReturnNew: true,
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}, &doc)
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if err != nil {
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return -1, err
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}
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return doc.Value, nil
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}
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