From 6ca3e8945c46c02f30af65bcd6e6a8c8dd502f59 Mon Sep 17 00:00:00 2001
From: Derrick Hammer <derrick@derrickhammer.com>
Date: Mon, 12 Feb 2024 03:49:51 -0500
Subject: [PATCH] feat: add list issue comments

---
 api/convert.go         | 40 ++++++++++++++++++++++++++++++++++++++++
 api/routes_rest_api.go | 41 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 81 insertions(+)

diff --git a/api/convert.go b/api/convert.go
index 18fce69..cb2c748 100644
--- a/api/convert.go
+++ b/api/convert.go
@@ -349,6 +349,46 @@ func convertGitEntry(s *gitea.GitEntry) *github.TreeEntry {
 	}
 }
 
+func convertIssueComment(comment *gitea.Comment, reactions []*gitea.Reaction) *github.IssueComment {
+	if comment == nil {
+		return &github.IssueComment{}
+	}
+	return &github.IssueComment{
+		ID:        int64Ptr(comment.ID),
+		Body:      stringPtr(comment.Body),
+		CreatedAt: timePtr(comment.Created),
+		UpdatedAt: timePtr(comment.Updated),
+		User:      convertUser(comment.Poster),
+		Reactions: convertReactions(reactions),
+	}
+}
+
+func convertReactions(reactions []*gitea.Reaction) *github.Reactions {
+	if reactions == nil {
+		return &github.Reactions{}
+	}
+	return &github.Reactions{
+		TotalCount: intPtr(len(reactions)),
+		PlusOne:    intPtr(countReaction(reactions, "+1")),
+		MinusOne:   intPtr(countReaction(reactions, "-1")),
+		Laugh:      intPtr(countReaction(reactions, "laugh")),
+		Confused:   intPtr(countReaction(reactions, "confused")),
+		Heart:      intPtr(countReaction(reactions, "heart")),
+		Rocket:     intPtr(countReaction(reactions, "rocket")),
+		Eyes:       intPtr(countReaction(reactions, "eyes")),
+	}
+}
+
+func countReaction(reactions []*gitea.Reaction, reactionType string) int {
+	count := 0
+	for _, reaction := range reactions {
+		if reaction.Reaction == reactionType {
+			count++
+		}
+	}
+	return count
+}
+
 func translatePrAction(action structs.HookIssueAction) string {
 	translatedAction := ""
 
diff --git a/api/routes_rest_api.go b/api/routes_rest_api.go
index 8ac0774..9f66163 100644
--- a/api/routes_rest_api.go
+++ b/api/routes_rest_api.go
@@ -164,6 +164,44 @@ func (r restApi) handlerGetTree(w http.ResponseWriter, request *http.Request) {
 	r.respond(w, http.StatusOK, treeResponse)
 }
 
+func (r restApi) handleeGetIssueComments(w http.ResponseWriter, request *http.Request) {
+	vars := mux.Vars(request)
+	owner := vars["owner"]
+	repo := vars["repo"]
+	issueNumber := vars["issue_number"]
+
+	client := r.getClientOrError(w)
+
+	if client == nil {
+		return
+	}
+
+	issueNumberInt, err := strconv.Atoi(issueNumber)
+	if err != nil {
+		http.Error(w, "Failed to parse issue number", http.StatusBadRequest)
+		r.logger.Error("Failed to parse issue number", zap.Error(err))
+		return
+	}
+
+	comments, r2, err := client.ListIssueComments(owner, repo, int64(issueNumberInt), gitea.ListIssueCommentOptions{ListOptions: r.getPagingOptions(request)})
+	if err != nil {
+		http.Error(w, "Failed to get issue comments", http.StatusInternalServerError)
+		r.logger.Error("Failed to get issue comments", zap.Error(err))
+		return
+	}
+
+	ghComments := make([]*github.IssueComment, len(comments))
+
+	for i, comment := range comments {
+		reactions, _, _ := client.GetIssueCommentReactions(owner, repo, comment.ID)
+		ghComments[i] = convertIssueComment(comment, reactions)
+	}
+
+	r.sendPagingHeaders(w, r2)
+	r.respond(w, http.StatusOK, ghComments)
+
+}
+
 func (r restApi) handlerCreateIssueComment(w http.ResponseWriter, request *http.Request) {
 	vars := mux.Vars(request)
 	owner := vars["owner"]
@@ -262,6 +300,9 @@ func setupRestRoutes(params RouteParams) {
 	setupRoutes := func(r *mux.Router) {
 		r.HandleFunc("/repos/{owner}/{repo}/pulls/{pull_number}/files", restApi.handlerGetPullRequestFiles).Methods("GET")
 		r.HandleFunc("/repos/{owner}/{repo}/git/trees/{tree_sha}", restApi.handlerGetTree).Methods("GET")
+
+		// Comment routes
+		r.HandleFunc("/repos/{owner}/{repo}/issues/{issue_number}/comments", restApi.handleeGetIssueComments).Methods("GET")
 		r.HandleFunc("/repos/{owner}/{repo}/issues/{issue_number}/comments", restApi.handlerCreateIssueComment).Methods("POST")
 		r.HandleFunc("/repos/{owner}/{repo}/issues/{issue_number}/comments/{comment_id}", restApi.handlerUpdateIssueComment).Methods("PATCH")
 	}