1 files changed, 52 insertions, 0 deletions

diff --git a/api/market_config.go b/api/market_config.go
index 3fd10ae..ce79184 100644
--- a/api/market_config.go
+++ b/api/market_config.go
@@ -3,7 +3,9 @@ package api
 import (
         "fmt"
 
+        "github.com/shopspring/decimal"
         "immae.eu/Immae/Projets/Cryptomonnaies/Cryptoportfolio/Front/db"
+        "immae.eu/Immae/Projets/Cryptomonnaies/Cryptoportfolio/Front/markets"
 )
 
 type MarketConfigQuery struct {
@@ -42,6 +44,56 @@ func (q MarketConfigQuery) Run() (interface{}, *Error) {
         return config.Config, nil
 }
 
+type MarketBalanceQuery struct {
+        In struct {
+                User     db.User
+                Market   string
+                Currency string
+        }
+}
+
+var Poloniex *markets.Poloniex
+
+func init() {
+        Poloniex = markets.NewPoloniex()
+        Poloniex.StartTicker()
+}
+
+func (q MarketBalanceQuery) ValidateParams() *Error {
+        if q.In.Market != "poloniex" {
+                return &Error{BadRequest, "invalid market name", fmt.Errorf("'%v' is not a valid market name", q.In.Market)}
+        }
+
+        // TODO: we should request market for available currencies.
+        if q.In.Currency != "BTC" || q.In.Currency != "USDT" {
+                return &Error{BadRequest, "invalid currency, accept [BTC, USDT]", fmt.Errorf("'%v' is not a valid currency", q.In.Currency)}
+        }
+
+        return nil
+}
+
+func (q MarketBalanceQuery) Run() (interface{}, *Error) {
+        config, err := db.GetUserMarketConfig(q.In.User.Id, q.In.Market)
+        if err != nil {
+                return nil, NewInternalError(err)
+        }
+
+        if config.Config["key"] == "" || config.Config["secret"] == "" {
+                return nil, &Error{BadRequest, "your credentials for this market are not setup", fmt.Errorf("'%v' credentials are not setup", q.In.Market)}
+        }
+
+        balance, err := Poloniex.GetBalance(config.Config["key"], config.Config["secret"], q.In.Currency)
+        if err != nil {
+                return nil, NewInternalError(err)
+        }
+
+        result := struct {
+                Balance decimal.Decimal `json:balance`
+        }{balance}
+
+        return &result, nil
+}
+
 type UpdateMarketConfigQuery struct {
         In struct {
                 User   db.User