From 5ab0dd6da639c44fd614cca83c83d2ac13766f35 Mon Sep 17 00:00:00 2001
From: Yves Biener <yves.biener@gmx.de>
Date: Wed, 18 Oct 2023 22:26:00 +0200
Subject: [PATCH] add(gitea-api): comment getter and update functions

This implements the getter api functions and update functions for
comments. WIP for #1.
---
 cmd/gitw/main.go               | 14 +++++++
 internal/gitea/comment.go      | 72 ++++++++++++++++++++++++++++++++++
 internal/gitea/comment_test.go |  1 +
 3 files changed, 87 insertions(+)
 create mode 100644 internal/gitea/comment.go
 create mode 100644 internal/gitea/comment_test.go

diff --git a/cmd/gitw/main.go b/cmd/gitw/main.go
index 8085d15..ebc88e4 100644
--- a/cmd/gitw/main.go
+++ b/cmd/gitw/main.go
@@ -20,10 +20,24 @@ func main() {
 		fmt.Fprintln(os.Stderr, err)
 		os.Exit(-1)
 	}
+	comments, err := server.GetComments(repository)
+	if err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(-1)
+	}
 
 	fmt.Printf("%#v\n", issue)
 	fmt.Println("---")
 	fmt.Printf("%#v\n", milestone)
+	fmt.Println("---")
+
+	for _, comment := range comments {
+		// NOTE: filter comments to only include comments which are related to the current issue
+		// Order them by their Id's as that's the order they are in the issue (most likely)
+		if comment.Issue_url == issue.Html_url {
+			fmt.Printf("%#v\n", comment)
+		}
+	}
 
 	// necessary configurations (see config file gitw.json)
 	// - access code for gitea
diff --git a/internal/gitea/comment.go b/internal/gitea/comment.go
new file mode 100644
index 0000000..5fcc538
--- /dev/null
+++ b/internal/gitea/comment.go
@@ -0,0 +1,72 @@
+package gitea
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"time"
+)
+
+type Comment struct {
+	Id                 uint
+	Body               string
+	Issue_url          string
+	Assets             []string
+	Html_url           string
+	User               User
+	Original_author    string
+	Original_author_id uint
+	Pull_request_url   string
+	Created_at         time.Time
+	Updated_at         time.Time
+}
+
+func (gitea *Gitea) GetComments(repo Repository) ([]Comment, error) {
+	url := fmt.Sprintf("%s/repos/%s/issues/comments", gitea.Url(), repo.Full_name)
+	response, err := http.Get(url)
+	if err != nil {
+		return nil, err
+	}
+	defer response.Body.Close()
+	var data []Comment
+	decoder := json.NewDecoder(response.Body)
+	// NOTE: remove this if I do not want to store everything from the json result in the struct
+	decoder.DisallowUnknownFields() // remain if every field shall be extracted
+	if err = decoder.Decode(&data); err != nil {
+		return nil, err
+	}
+	return data, nil
+}
+
+func (gitea *Gitea) GetComment(repo Repository, id uint) (Comment, error) {
+	url := fmt.Sprintf("%s/repos/%s/issues/comments/%d", gitea.Url(), repo.Full_name, id)
+	response, err := http.Get(url)
+	var comment Comment
+	if err != nil {
+		return comment, err
+	}
+	defer response.Body.Close()
+	decoder := json.NewDecoder(response.Body)
+	// NOTE: remove this if I do not want to store everything from the json result in the struct
+	decoder.DisallowUnknownFields() // remain if every field shall be extracted
+	if err = decoder.Decode(&comment); err != nil {
+		return comment, err
+	}
+	return comment, err
+}
+
+func (gitea *Gitea) UpdateComment(repo Repository, comment Comment) error {
+	url := fmt.Sprintf("%s/repos/%s/issues/comments/%d", gitea.Url(), repo.Full_name, comment.Id)
+	json, err := json.Marshal(&map[string]interface{}{
+		"body": comment.Body,
+	})
+	if err != nil {
+		return err
+	}
+	_, err = http.NewRequest(http.MethodPatch, url, bytes.NewBuffer(json))
+	if err != nil {
+		return err
+	}
+	return nil
+}
diff --git a/internal/gitea/comment_test.go b/internal/gitea/comment_test.go
new file mode 100644
index 0000000..3ac0cb7
--- /dev/null
+++ b/internal/gitea/comment_test.go
@@ -0,0 +1 @@
+package gitea