added slapapi

pkg/slapshotapi/client.go

@@ -0,0 +1,37 @@
+package slapshotapi
+
+import (
+	"net/http"
+	"sync"
+
+	"github.com/pkg/errors"
+	"golang.org/x/time/rate"
+)
+
+type SlapAPI struct {
+	client      *http.Client
+	ratelimiter *rate.Limiter
+	mu          sync.Mutex
+	maxTokens   int
+	key         string
+	env         string
+}
+
+func NewSlapAPIClient(cfg *Config) (*SlapAPI, error) {
+	if cfg == nil {
+		return nil, errors.New("config cannot be nil")
+	}
+	if cfg.Environment != "api" && cfg.Environment != "staging" {
+		return nil, errors.New("invalid env specified, must be 'api' or 'staging'")
+	}
+	rl := rate.NewLimiter(rate.Inf, 10)
+	client := &SlapAPI{
+		client:      http.DefaultClient,
+		ratelimiter: rl,
+		mu:          sync.Mutex{},
+		maxTokens:   10,
+		key:         cfg.Key,
+		env:         cfg.Environment,
+	}
+	return client, nil
+}