feat: replace internal http client with resty (#139)

Author: gagantrivedi

analytics.go

@@ -6,7 +6,7 @@ import (
 	"sync"
 	"time"
 
-	"github.com/Flagsmith/flagsmith-go-client/v3/internal/flaghttp"
+	"github.com/go-resty/resty/v2"
 )
 
 const AnalyticsTimerInMilli = 10 * 1000
@@ -17,13 +17,13 @@ type analyticDataStore struct {
 	data map[string]int
 }
 type AnalyticsProcessor struct {
-	client   flaghttp.Client
+	client   *resty.Client
 	store    *analyticDataStore
 	endpoint string
 	log      Logger
 }
 
-func NewAnalyticsProcessor(ctx context.Context, client flaghttp.Client, baseURL string, timerInMilli *int, log Logger) *AnalyticsProcessor {
+func NewAnalyticsProcessor(ctx context.Context, client *resty.Client, baseURL string, timerInMilli *int, log Logger) *AnalyticsProcessor {
 	data := make(map[string]int)
 	dataStore := analyticDataStore{data: data}
 	tickerInterval := AnalyticsTimerInMilli

analytics_test.go

@@ -11,7 +11,7 @@ import (
 
 	"github.com/stretchr/testify/assert"
 
-	"github.com/Flagsmith/flagsmith-go-client/v3/internal/flaghttp"
+	"github.com/go-resty/resty/v2"
 )
 
 const BaseURL = "http://localhost:8000/api/v1/"
@@ -39,7 +39,7 @@ func TestAnalytics(t *testing.T) {
 	analyticsTimer := 10
 
 	// and, the http client
-	client := flaghttp.NewClient()
+	client := resty.New()
 	client.SetHeader("X-Environment-Key", EnvironmentAPIKey)
 
 	// Now let's create the processor

client.go

@@ -2,7 +2,6 @@ package flagsmith
 
 import (
 	"context"
-	"errors"
 	"fmt"
 	"strings"
 	"sync/atomic"
@@ -11,10 +10,9 @@ import (
 	"github.com/Flagsmith/flagsmith-go-client/v3/flagengine"
 	"github.com/Flagsmith/flagsmith-go-client/v3/flagengine/environments"
 	"github.com/Flagsmith/flagsmith-go-client/v3/flagengine/identities"
-	"github.com/Flagsmith/flagsmith-go-client/v3/flagengine/segments"
-	"github.com/Flagsmith/flagsmith-go-client/v3/internal/flaghttp"
-
 	. "github.com/Flagsmith/flagsmith-go-client/v3/flagengine/identities/traits"
+	"github.com/Flagsmith/flagsmith-go-client/v3/flagengine/segments"
+	"github.com/go-resty/resty/v2"
 )
 
 // Client provides various methods to query Flagsmith API.
@@ -28,7 +26,7 @@ type Client struct {
 	analyticsProcessor *AnalyticsProcessor
 	defaultFlagHandler func(string) (Flag, error)
 
-	client         flaghttp.Client
+	client         *resty.Client
 	ctxLocalEval   context.Context
 	ctxAnalytics   context.Context
 	log            Logger
@@ -40,7 +38,7 @@ func NewClient(apiKey string, options ...Option) *Client {
 	c := &Client{
 		apiKey: apiKey,
 		config: defaultConfig(),
-		client: flaghttp.NewClient(),
+		client: resty.New(),
 	}
 
 	c.client.SetHeaders(map[string]string{
@@ -262,19 +260,17 @@ func (c *Client) pollEnvironment(ctx context.Context) {
 
 func (c *Client) UpdateEnvironment(ctx context.Context) error {
 	var env environments.EnvironmentModel
-	e := make(map[string]string)
-	_, err := c.client.NewRequest().
+	resp, err := c.client.NewRequest().
 		SetContext(ctx).
 		SetResult(&env).
-		SetError(&e).
 		ForceContentType("application/json").
 		Get(c.config.baseURL + "environment-document/")
 
 	if err != nil {
-		return err
+		return &FlagsmithAPIError{msg: fmt.Sprintf("flagsmith: error performing request to Flagsmith API: %s", err)}
 	}
-	if len(e) > 0 {
-		return errors.New(e["detail"])
+	if resp.StatusCode() != 200 {
+		return &FlagsmithAPIError{msg: fmt.Sprintf("flagsmith: unexpected response from Flagsmith API: %s", resp.Status())}
 	}
 	c.environment.Store(&env)
 	identitiesWithOverrides := make(map[string]identities.IdentityModel)

go.mod

@@ -1,6 +1,6 @@
 module github.com/Flagsmith/flagsmith-go-client/v3
 
-go 1.21
+go 1.22
 
 require (
 	github.com/blang/semver/v4 v4.0.0
@@ -9,10 +9,14 @@ require (
 	golang.org/x/exp v0.0.0-20230713183714-613f0c0eb8a1
 )
 
-require github.com/itlightning/dateparse v0.2.0
+require (
+	github.com/go-resty/resty/v2 v2.14.0
+	github.com/itlightning/dateparse v0.2.0
+)
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	golang.org/x/net v0.27.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -2,6 +2,9 @@ github.com/blang/semver/v4 v4.0.0 h1:1PFHFE6yCCTv8C1TeyNNarDzntLi7wMI5i/pzqYIsAM
 github.com/blang/semver/v4 v4.0.0/go.mod h1:IbckMUScFkM3pff0VJDNKRiT6TG/YpiHIM2yvyW5YoQ=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/go-resty/resty/v2 v2.14.0 h1:/rhkzsAqGQkozwfKS5aFAbb6TyKd3zyFRWcdRXLPCAU=
+github.com/go-resty/resty/v2 v2.14.0/go.mod h1:IW6mekUOsElt9C7oWr0XRt9BNSD6D5rr9mhk6NjmNHg=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/itlightning/dateparse v0.2.0 h1:eOYLGZORnHweKdTZGOVjDXHhOwMQTNdP4g6+ErgPyeg=
@@ -10,8 +13,74 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
+golang.org/x/crypto v0.13.0/go.mod h1:y6Z2r+Rw4iayiXXAIxJIDAJ1zMW4yaTpebo8fPOliYc=
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 golang.org/x/exp v0.0.0-20230713183714-613f0c0eb8a1/go.mod h1:FXUEEKJgO7OQYeo8N01OfiKP8RXMtf6e8aTskBGqWdc=
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