[golang] implement automation loop and add contract accepting

golang/pkg/agent/contracting.go

@@ -0,0 +1,47 @@
+package agent
+
+import (
+	"fmt"
+	"time"
+
+	"git.adyxax.org/adyxax/spacetraders/golang/pkg/model"
+)
+
+func (a *agent) autoContracting(ship *model.Ship) {
+	defer a.wg.Done()
+	contracts, err := a.client.MyContracts()
+	if err != nil {
+		a.sendShipError(fmt.Errorf("failed to get my contracts: %w", err), ship)
+		return
+	}
+	for _, contract := range contracts {
+		if contract.Fullfilled {
+			continue
+		}
+		now := time.Now()
+		if now.Before(contract.Terms.Deadline) {
+			if err := a.runContract(&contract, ship); err != nil {
+				a.sendShipError(fmt.Errorf("failed to run contracts: %w", err), ship)
+				return
+			}
+		}
+	}
+	// TODO
+	//for {
+	// negotiate
+	// runContract
+	//}
+}
+
+func (a *agent) runContract(contract *model.Contract, ship *model.Ship) error {
+	if err := a.client.Accept(contract, a.db); err != nil {
+		return fmt.Errorf("failed to run contract: %w", err)
+	}
+	switch contract.Type {
+	// TODO
+	//case "PROCUREMENT":
+	default:
+		return fmt.Errorf("failed to run contract: handling contracts of type %s is not implemented yet", contract.Type)
+	}
+	return nil
+}