From 2716c1df8c75a4ec435d51ff1422e3813aea991f Mon Sep 17 00:00:00 2001
From: Maikel van Dort <maikel.van.dort@gmail.com>
Date: Fri, 13 Jun 2025 15:51:29 +0200
Subject: [PATCH 1/2] Initial commit

---
 main_test.go | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 main_test.go

diff --git a/main_test.go b/main_test.go
new file mode 100644
index 0000000..06ab7d0
--- /dev/null
+++ b/main_test.go
@@ -0,0 +1 @@
+package main

From b861be0181437bebb2365e9ff93c15f03211f378 Mon Sep 17 00:00:00 2001
From: Maikel <maikel.van.dort@gmail.com>
Date: Wed, 18 Jun 2025 13:57:47 +0200
Subject: [PATCH 2/2] feat: init

---
 go.mod  |   7 ++++
 go.sum  |   6 +++
 main.go | 112 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 125 insertions(+)
 create mode 100644 go.mod
 create mode 100644 go.sum
 create mode 100644 main.go

diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..bf7d816
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,7 @@
+module github.com/netail/pr-comments
+
+go 1.24.4
+
+require github.com/google/go-github/v72 v72.0.0
+
+require github.com/google/go-querystring v1.1.0 // indirect
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..0d81a57
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,6 @@
+github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-github/v72 v72.0.0 h1:FcIO37BLoVPBO9igQQ6tStsv2asG4IPcYFi655PPvBM=
+github.com/google/go-github/v72 v72.0.0/go.mod h1:WWtw8GMRiL62mvIquf1kO3onRHeWWKmK01qdCY8c5fg=
+github.com/google/go-querystring v1.1.0 h1:AnCroh3fv4ZBgVIf1Iwtovgjaw/GiKJo8M8yD/fhyJ8=
+github.com/google/go-querystring v1.1.0/go.mod h1:Kcdr2DB4koayq7X8pmAG4sNG59So17icRSOU623lUBU=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..b8d172c
--- /dev/null
+++ b/main.go
@@ -0,0 +1,112 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"os"
+	"slices"
+	"strings"
+
+	"github.com/google/go-github/v72/github"
+)
+
+func main() {
+	ghToken := flag.String("token", "", "Github Token")
+	if len(*ghToken) == 0 {
+		fmt.Println("A GitHub token is required.")
+		os.Exit(1)
+	}
+
+	prNumber := flag.Int("pr", 0, "Pull Request Number")
+	if *prNumber == 0 {
+		fmt.Println("A pull request number is required.")
+		os.Exit(1)
+	}
+
+	repoOwner := flag.String("repoOwner", "", "Github Repo Owner")
+	if len(*repoOwner) == 0 {
+		fmt.Println("A repoOwner is required.")
+		os.Exit(1)
+	}
+
+	repo := flag.String("repo", "", "Github Repo")
+	if len(*repo) == 0 {
+		fmt.Println("A repo is required.")
+		os.Exit(1)
+	}
+
+	body := flag.String("body", "", "Body to send")
+	if len(*body) == 0 {
+		fmt.Println("A body is required.")
+		os.Exit(1)
+	}
+
+	commentId := flag.Int64("comment-id", 0, "Comment ID")
+	bodyIncludes := flag.String("body-includes", "", "Comment ID")
+
+	client := github.NewClient(nil).WithAuthToken(*ghToken)
+
+	if *commentId == 0 && len(*bodyIncludes) > 0 {
+		*commentId = findComment(client, *repoOwner, *repo, *prNumber, *bodyIncludes)
+	}
+
+	if *commentId == 0 {
+		createComment(client, *repoOwner, *repo, *prNumber, *body)
+	} else {
+		updateComment(client, *repoOwner, *repo, *commentId, *body)
+	}
+}
+
+func createComment(client *github.Client, repoOwner string, repo string, prNumber int, comment string) {
+	_, _, err := client.Issues.CreateComment(context.Background(), repoOwner, repo, prNumber, &github.IssueComment{Body: github.Ptr(comment)})
+
+	if err != nil {
+		fmt.Println(err.Error())
+		os.Exit(1)
+	}
+
+	fmt.Println("Comment created...")
+}
+
+func updateComment(client *github.Client, repoOwner string, repo string, commentId int64, comment string) {
+	_, _, err := client.Issues.EditComment(context.Background(), repoOwner, repo, commentId, &github.IssueComment{Body: github.Ptr(comment)})
+
+	if err != nil {
+		fmt.Println(err.Error())
+		os.Exit(1)
+	}
+
+	fmt.Println("Comment updated...")
+}
+
+func findComment(client *github.Client, repoOwner string, repo string, prNumber int, bodyIncludes string) int64 {
+	comments, _, err := client.Issues.ListComments(context.Background(), repoOwner, repo, prNumber, &github.IssueListCommentsOptions{})
+
+	if err != nil {
+		fmt.Println(err.Error())
+		os.Exit(1)
+	}
+
+	matchingComments := slices.Collect(
+		func(yield func(*github.IssueComment) bool) {
+			for _, comment := range comments {
+				if strings.Contains(comment.GetBody(), bodyIncludes) {
+					if !yield(comment) {
+						return
+					}
+				}
+			}
+		},
+	)
+
+	if len(matchingComments) > 0 {
+		fmt.Println("Comment found...")
+
+		return matchingComments[0].GetID()
+	} else {
+		fmt.Println("Comment not found...")
+
+		return 0
+	}
+}