feat: correctly implement bitbucket & add OpenAIAdapter

internal/gitadapters/bitbucket/controller.go

@@ -0,0 +1,101 @@
+package bitbucket
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"strconv"
+	"strings"
+
+	"git.schreifuchs.ch/schreifuchs/pierre-bot/internal/pierre"
+)
+
+func (b *BitbucketAdapter) GetDiff(ctx context.Context, projectKey, repositorySlug string, pullRequestID int) (diff io.ReadCloser, err error) {
+	r, err := b.CreateRequest(
+		ctx,
+		http.MethodGet,
+		nil,
+		"/projects/", projectKey, "repos", repositorySlug, "pull-requests", fmt.Sprintf("%d.diff", pullRequestID),
+	)
+	if err != nil {
+		return
+	}
+
+	response, err := http.DefaultClient.Do(r)
+	if err != nil {
+		return
+	}
+
+	if response.StatusCode != http.StatusOK {
+		sb := &strings.Builder{}
+		io.Copy(sb, response.Body)
+		err = fmt.Errorf("error while fetching bitbucket diff staus %d, body %s", response.Status, sb.String())
+	}
+
+	diff = response.Body
+	return
+}
+
+func (b *BitbucketAdapter) GetPR(ctx context.Context, projectKey, repositorySlug string, pullRequestID int) (pr PullRequest, err error) {
+	r, err := b.CreateRequest(
+		ctx,
+		http.MethodGet,
+		nil,
+		"/projects/", projectKey, "repos", repositorySlug, "pull-requests", strconv.Itoa(pullRequestID),
+	)
+
+	response, err := http.DefaultClient.Do(r)
+	defer response.Body.Close() // Add this
+	if err != nil {
+		return
+	}
+
+	err = json.NewDecoder(response.Body).Decode(&pr)
+
+	return
+}
+
+func (b *BitbucketAdapter) AddComment(ctx context.Context, owner, repo string, prID int, comment pierre.Comment) (err error) {
+	// pr, err := b.GetPR(ctx, owner, repo, prID)
+	// if err != nil {
+	// 	return
+	// }
+
+	commentDTO := Comment{
+		Content: comment.Message,
+		Anchor: Anchor{
+			Path:     comment.File,
+			Line:     comment.Line,
+			LineType: "ADDED",
+			FileType: "TO",
+			DiffType: "EFFECTIVE",
+			// FromHash: pr.ToRef.LatestCommit,
+			// ToHash:   pr.FromRef.LatestCommit,
+		},
+	}
+
+	r, err := b.CreateRequest(ctx,
+		http.MethodPost,
+		commentDTO,
+		"/projects/", owner, "/repos/", repo, "/pull-requests/", strconv.Itoa(prID), "/comments",
+	)
+	if err != nil {
+		return
+	}
+
+	response, err := http.DefaultClient.Do(r)
+	defer response.Body.Close() // Add this
+	if err != nil {
+		return err
+	}
+
+	if response.StatusCode >= 300 || response.StatusCode < 200 {
+		sb := &strings.Builder{}
+		io.Copy(sb, response.Body)
+		err = fmt.Errorf("error while creating comment staus %d, body %s", response.StatusCode, sb.String())
+	}
+
+	return err
+}