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minor improvements to the kafka-api example

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This commit is contained in:
Gerasimos (Makis) Maropoulos
2020-09-18 13:58:31 +03:00
parent d5a179cc45
commit d1f32e723a
5 changed files with 162 additions and 12 deletions
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17
_examples/kafka-api/main.go
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@@ -3,7 +3,6 @@ package main
import (
"encoding/json"
"fmt"
"io/ioutil"
"os"
"strings"
"time"
@@ -86,8 +85,8 @@ func main() {
app.Logger().Infof("Brokers: %s", strings.Join(brokers, ", "))
// GET : http://localhost:8080
// POST, GET: http://localhost:8080/api/v1/topics
// POST : http://localhost:8080/apiv1/topics/{topic}/produce?key=my-key
// GET : http://localhost:8080/apiv1/topics/{topic}/consume?partition=0&offset=0
// POST : http://localhost:8080/api/v1/topics/{topic}/produce?key=my-key
// GET : http://localhost:8080/api/v1/topics/{topic}/consume?partition=0&offset=0
app.Listen(":8080")
}
@@ -138,7 +137,7 @@ func docsHandler(ctx iris.Context) {
type httpError struct {
Code int `json:"code"`
Reason string `json:"reason"`
Reason string `json:"reason,omitempty"`
}
func (h httpError) Error() string {
@@ -226,10 +225,8 @@ func postTopicsHandler(ctx iris.Context) {
return
}
// unnecessary statement but it's here to show you that topic is created,
// depending on your API expectations and how you used to work
// you may want to change the status code to something like `iris.StatusCreated`.
ctx.StatusCode(iris.StatusOK)
ctx.StatusCode(iris.StatusCreated)
ctx.Writef("Topic %q created", t.Topic)
}
func getKafkaTopics() ([]string, error) {
@@ -279,7 +276,7 @@ func postTopicProduceHandler(ctx iris.Context) {
key := ctx.URLParamDefault("key", "default")
// read the request data and store them as they are (not recommended in production ofcourse, do your own checks here).
body, err := ioutil.ReadAll(ctx.Request().Body)
body, err := ctx.GetBody()
if err != nil {
fail(ctx, iris.StatusUnprocessableEntity, "unable to read your data: %v", err)
return
@@ -347,7 +344,7 @@ func getTopicConsumeSSEHandler(ctx iris.Context) {
}
// `OnClose` fires when the request is finally done (all data read and handler exits) or interrupted by the user.
ctx.OnClose(func() {
ctx.OnClose(func(_ iris.Context) {
ctx.Application().Logger().Warnf("a client left")
// Close shuts down the consumer. It must be called after all child