feat(tools): pr_merge

internal/tools/pr_merge.go

@@ -0,0 +1,76 @@
+package tools
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/allowlist"
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/gitea"
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/registry"
+)
+
+type PRMerge struct {
+	c *gitea.Client
+	a *allowlist.Allowlist
+}
+
+func NewPRMerge(c *gitea.Client, a *allowlist.Allowlist) *PRMerge {
+	return &PRMerge{c: c, a: a}
+}
+
+func (t *PRMerge) Descriptor() registry.ToolDescriptor {
+	return registry.ToolDescriptor{
+		Name:        "pr_merge",
+		Description: "Merge a pull request. style: merge (default), squash, or rebase.",
+		InputSchema: json.RawMessage(`{
+			"type":"object",
+			"properties":{
+				"owner":{"type":"string"},
+				"name":{"type":"string"},
+				"index":{"type":"integer","minimum":1},
+				"style":{"type":"string","enum":["merge","squash","rebase"]},
+				"merge_message_title":{"type":"string"},
+				"merge_message_field":{"type":"string"}
+			},
+			"required":["owner","name","index"]
+		}`),
+	}
+}
+
+type prMergeArgs struct {
+	Owner string `json:"owner"`
+	Name  string `json:"name"`
+	Index int    `json:"index"`
+	Style string `json:"style"`
+	Title string `json:"merge_message_title"`
+	Body  string `json:"merge_message_field"`
+}
+
+func (t *PRMerge) Call(ctx context.Context, raw json.RawMessage) (json.RawMessage, error) {
+	var args prMergeArgs
+	if err := parseArgs(raw, &args); err != nil {
+		return nil, err
+	}
+	if err := t.a.Check(args.Owner); err != nil {
+		return nil, err
+	}
+	if args.Index < 1 {
+		return nil, fmt.Errorf("index must be >= 1: %w", gitea.ErrValidation)
+	}
+
+	style := args.Style
+	if style == "" {
+		style = "merge"
+	}
+
+	if err := t.c.MergePullRequest(ctx, args.Owner, args.Name, args.Index, gitea.MergePRArgs{
+		Do:    style,
+		Title: args.Title,
+		Body:  args.Body,
+	}); err != nil {
+		return nil, err
+	}
+
+	return textOK(map[string]any{"merged": true})
+}