62 lines
1.4 KiB
Go
62 lines
1.4 KiB
Go
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package service
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import (
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"context"
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"fmt"
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"net/url"
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"reflect"
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"time"
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"git.cliffbreak.de/haveachin/scoreboard/config"
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"go.mongodb.org/mongo-driver/mongo"
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"go.mongodb.org/mongo-driver/mongo/options"
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"go.mongodb.org/mongo-driver/mongo/readpref"
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)
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type DataService struct {
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client *mongo.Client
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db *mongo.Database
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collections map[reflect.Type]*mongo.Collection
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}
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func New(ds config.DataService) (*DataService, error) {
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ctx, cancel := context.WithTimeout(context.Background(), 20*time.Second)
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defer cancel()
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connectionString := fmt.Sprintf("mongodb://%s:%s@%s:%d/?authSource=admin", url.QueryEscape(ds.Username), url.QueryEscape(ds.Password), ds.IP, ds.Port)
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client, err := mongo.Connect(ctx, options.Client().ApplyURI(connectionString))
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if err != nil {
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return nil, err
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}
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if err = client.Ping(ctx, readpref.Primary()); err != nil {
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return nil, err
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}
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return &DataService{
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client: client,
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db: client.Database(ds.Database),
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}, nil
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}
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func (s DataService) collection(t reflect.Type) *mongo.Collection {
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for t.Kind() != reflect.Struct {
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t = t.Elem()
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}
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collection, ok := s.collections[t]
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if !ok {
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panic(fmt.Sprintf("No collection registered for %T", t))
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}
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return collection
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}
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func (s DataService) RegisterCollection(t reflect.Type, collection string) {
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for t.Kind() != reflect.Struct {
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t = t.Elem()
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}
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s.collections[t] = s.db.Collection(collection)
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}
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