Refactor: Extract github specifics

cmd/action/main.go

@@ -1,83 +1,15 @@
 package main
 
 import (
-	"context"
-	"encoding/json"
 	_ "github.com/breml/rootcerts"
-	"github.com/google/go-github/v48/github"
 	"github.com/madetech/sparkling-dependencies/internal/dealWithPullRequest"
-	"golang.org/x/oauth2"
+	"github.com/madetech/sparkling-dependencies/internal/github"
 	"os"
-	"strings"
 )
 
-type GitHubPresenter struct {
-	client *github.Client
-}
-
-func (g GitHubPresenter) Exit() {
-	os.Exit(0)
-}
-
-func (g GitHubPresenter) PostComment(comment dealWithPullRequest.Comment) {
-	splitRepository := strings.Split(comment.Repository, "/")
-	owner := splitRepository[0]
-	repo := splitRepository[1]
-	context.Background()
-	_, _, err := g.client.Issues.CreateComment(context.Background(), owner, repo, int(comment.Number), &github.IssueComment{
-		Body: &comment.Body,
-	})
-	if err != nil {
-		panic(err)
-	}
-}
-
 func main() {
-	eventPayloadPath, _ := os.LookupEnv("GITHUB_EVENT_PATH")
-	token, _ := os.LookupEnv("INPUT_GITHUB-TOKEN")
+	useCase := dealWithPullRequest.New(github.GetEvent())
 
-	ctx := context.Background()
-	ts := oauth2.StaticTokenSource(
-		&oauth2.Token{AccessToken: token},
-	)
-	tc := oauth2.NewClient(ctx, ts)
-
-	client := github.NewClient(tc)
-
-	file := readFile(eventPayloadPath)
-
-	var data struct {
-		Sender struct {
-			Login string `json:"login"`
-		} `json:"sender"`
-		PullRequest struct {
-			Number uint32 `json:"number"`
-			Title  string `json:"title"`
-		} `json:"pull_request"`
-		Repository struct {
-			FullName string `json:"full_name"`
-		} `json:"repository"`
-	}
-	err := json.Unmarshal(file, &data)
-	if err != nil {
-		panic(err)
-	}
-	useCase := dealWithPullRequest.New(dealWithPullRequest.Event{
-		Name: "pull_request_target",
-		PullRequest: &dealWithPullRequest.PullRequest{
-			Sender:     data.Sender.Login,
-			Number:     data.PullRequest.Number,
-			Repository: data.Repository.FullName,
-			Title:      data.PullRequest.Title,
-		},
-	})
-	useCase.Execute(GitHubPresenter{client: client})
-}
-
-func readFile(eventPayloadPath string) []byte {
-	file, err := os.ReadFile(eventPayloadPath)
-	if err != nil {
-		panic(err)
-	}
-	return file
+	token, _ := os.LookupEnv("INPUT_GITHUB-TOKEN")
+	useCase.Execute(github.New(token))
 }

internal/github/actionEvent.go

@@ -0,0 +1,47 @@
+package github
+
+import (
+	"encoding/json"
+	"github.com/madetech/sparkling-dependencies/internal/dealWithPullRequest"
+	"os"
+)
+
+func GetEvent() dealWithPullRequest.Event {
+	eventPayloadPath, _ := os.LookupEnv("GITHUB_EVENT_PATH")
+	file := readFile(eventPayloadPath)
+
+	var data struct {
+		Sender struct {
+			Login string `json:"login"`
+		} `json:"sender"`
+		PullRequest struct {
+			Number uint32 `json:"number"`
+			Title  string `json:"title"`
+		} `json:"pull_request"`
+		Repository struct {
+			FullName string `json:"full_name"`
+		} `json:"repository"`
+	}
+	err := json.Unmarshal(file, &data)
+	if err != nil {
+		panic(err)
+	}
+	event := dealWithPullRequest.Event{
+		Name: "pull_request_target",
+		PullRequest: &dealWithPullRequest.PullRequest{
+			Sender:     data.Sender.Login,
+			Number:     data.PullRequest.Number,
+			Repository: data.Repository.FullName,
+			Title:      data.PullRequest.Title,
+		},
+	}
+	return event
+}
+
+func readFile(eventPayloadPath string) []byte {
+	file, err := os.ReadFile(eventPayloadPath)
+	if err != nil {
+		panic(err)
+	}
+	return file
+}

internal/github/presenter.go

@@ -0,0 +1,43 @@
+package github
+
+import (
+	"context"
+	"github.com/google/go-github/v48/github"
+	"github.com/madetech/sparkling-dependencies/internal/dealWithPullRequest"
+	"golang.org/x/oauth2"
+	"os"
+	"strings"
+)
+
+type GitHubPresenter struct {
+	Client *github.Client
+}
+
+func (g GitHubPresenter) Exit() {
+	os.Exit(0)
+}
+
+func (g GitHubPresenter) PostComment(comment dealWithPullRequest.Comment) {
+	splitRepository := strings.Split(comment.Repository, "/")
+	owner := splitRepository[0]
+	repo := splitRepository[1]
+	context.Background()
+	_, _, err := g.Client.Issues.CreateComment(context.Background(), owner, repo, int(comment.Number), &github.IssueComment{
+		Body: &comment.Body,
+	})
+	if err != nil {
+		panic(err)
+	}
+}
+
+func New(token string) GitHubPresenter {
+	ctx := context.Background()
+	ts := oauth2.StaticTokenSource(
+		&oauth2.Token{AccessToken: token},
+	)
+	tc := oauth2.NewClient(ctx, ts)
+
+	client := github.NewClient(tc)
+	presenter := GitHubPresenter{Client: client}
+	return presenter
+}