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package dbengine
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import (
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"context"
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"go.mongodb.org/mongo-driver/bson"
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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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"nilfm.cc/git/felt/models"
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"time"
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)
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type DbAdapter interface {
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Init(mongoUri string) error
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CreateTable(table models.TableKey) error
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DestroyTable(table models.TableKey) error
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InsertDiceRoll(table models.TableKey, diceRoll models.DiceRoll) error
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GetDiceRolls(table models.TableKey) ([]models.DiceRoll, error)
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SetMapImageUrl(table models.TableKey, url string) error
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GetMapImageUrl(table models.TableKey) (string, error)
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AddToken(table models.TableKey, token models.Token) error
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RemoveToken(table models.TableKey, tokenId string) error
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ModifyToken(table models.TableKey, token models.Token) error
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GetTokens(table models.TableKey) ([]models.Token, error)
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}
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type DbEngine struct {
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client mongo.Client
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}
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func (self *DbEngine) mkCtx(timeoutSec int) context.Context {
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return context.WithTimeout(context.Background(), 10*time.Second)
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}
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func (self *DbEngine) Init(mongoUri string) error {
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client, err := mongo.NewClient(options.Client().ApplyURI(mongoUri))
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if err != nil {
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return err
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}
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self.client = client
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ctx, _ := self.mkCtx(10)
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err = client.Connect(ctx)
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if err != nil {
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return err
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}
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defer client.Disconnect(ctx)
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db := client.Database("felt")
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err = self.ensureCollections(db)
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return err
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}
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func (self *DbEngine) ensureCollections(db mongo.Database) error {
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tables := db.Collection("tables")
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if tables == nil {
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createCmd := bson.D{
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{"create", "tables"},
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{"clusteredIndex", {
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{"key", {"name"}},
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{"unique", true},
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{"name", "idx_tables_unique_names"},
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}},
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}
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var createResult bson.M
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err := db.RunCommand(
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self.mkCtx(10),
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createCmd).Decode(&createResult)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func (self *DbEngine) CreateTable(table models.TableKey) error {
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tables := self.db.Collection("tables")
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if tables != nil {
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_, err := tables.insertOne(self.mkCtx(10), bson.D{
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{"name", table.Name},
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{"passcode", table.Passcode},
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{"mapUri", ""},
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{"diceRolls", bson.A{}},
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{"tokens", bson.A{}},
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})
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}
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return err
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}
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