mongodb/adapter: implement Insert/Get for DiceRolls

mongodb/adapter.go

@@ -12,6 +12,7 @@ import (
 const errNoCollection string = "collection not found: felt.%s"
 const errNoDocument string = "document with name/id '%s' doesn't exist in collection: %s"
 const errNotAString string = "document property is not a string: %s<key=%s>.%s"
+const errNotAnArray string = "doccument property is not an array: %s<key=%s>.%s"
 
 type DbAdapter interface {
 	Init(mongoUri string) error
@@ -112,17 +113,57 @@ func (self *DbEngine) DestroyTable(table models.TableKey) error {
 }
 
 func (self *DbEngine) InsertDiceRoll(table models.TableKey, diceRoll models.DiceRoll) error {
-  return errors.New(fmt.Sprintf(errNoCollections, "tables"))
+	tables := self.db.Collection("tables")
+	if tables != nil {
+		var result bson.D
+		err := tables.FindOneAndUpdate(
+			self.mkCtx(10),
+			bson.D{
+				{"name", table.Name},
+				{"passcode", table.Passcode},
+			},
+			bson.D{
+				{"$push", bson.D{
+					"diceRolls", bson.D{
+						{"$each", []models.DiceRoll{diceRoll}},
+						{"$slice", 1000},
+					},
+				}},
+			},
+		).Decode(&result)
+		return err
+	}
+	return errors.New(fmt.Sprintf(errNoCollection, "tables"))
 }
 
 func (self *DbEngine) GetDiceRolls(table models.TableKey) ([]models.DiceRoll, error) {
-  return []models.DiceRoll{}, nil
+	tables := self.db.Colletion("tables")
+	if tables != nil {
+		fromDb := tables.findOne(
+			self.mkCtx(10),
+			bson.D{
+				{"name", table.Name},
+				{"passcode", table.Passcode},
+			})
+		if fromDb != nil {
+			rolls, ok := fromDb.Lookup("diceRolls").ArrayOK()
+			if ok {
+				return rolls, nil
+			} else {
+				return "", errors.New(fmt.Sprintf(errNoArray, "tables", table.Name, "diceRolls"))
+			}
+		} else {
+			return "", errors.New(fmt.Sprintf(errNoDocument, table.Name, "tables"))
+		}
+	}
+	return "", errors.New(fmt.Sprintf(errNoCollection, "tables"))
 }
 
 func (self *DbEngine) SetMapImageUrl(table models.TableKey, url string) error {
 	tables := self.db.Collection("tables")
 	if tables != nil {
-		_, err := tables.UpdateOne(
+		var result bson.D
+		err := tables.FindOneAndUpdate(
 			self.mkCtx(10),
 			bson.D{
 				{"name", table.Name},
@@ -131,7 +172,7 @@ func (self *DbEngine) SetMapImageUrl(table models.TableKey, url string) error {
 			bson.D{
 				{"mapImageUrl", url},
 			},
-		)
+		).Decode(&result)
 
 		return err
 	}