feat(tools): pr_list

internal/tools/pr_list.go

@@ -0,0 +1,80 @@
+package tools
+
+import (
+	"context"
+	"encoding/json"
+
+	"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 PRList struct {
+	c *gitea.Client
+	a *allowlist.Allowlist
+}
+
+func NewPRList(c *gitea.Client, a *allowlist.Allowlist) *PRList {
+	return &PRList{c: c, a: a}
+}
+
+func (t *PRList) Descriptor() registry.ToolDescriptor {
+	return registry.ToolDescriptor{
+		Name:        "pr_list",
+		Description: "List pull requests. state: open (default), closed, or all. Optionally filter by head branch.",
+		InputSchema: json.RawMessage(`{
+			"type":"object",
+			"properties":{
+				"owner":{"type":"string"},
+				"name":{"type":"string"},
+				"state":{"type":"string","enum":["open","closed","all"]},
+				"head":{"type":"string"},
+				"page":{"type":"integer","minimum":1},
+				"limit":{"type":"integer","minimum":1,"maximum":50}
+			},
+			"required":["owner","name"]
+		}`),
+	}
+}
+
+type prListArgs struct {
+	Owner string `json:"owner"`
+	Name  string `json:"name"`
+	State string `json:"state"`
+	Head  string `json:"head"`
+	Page  int    `json:"page"`
+	Limit int    `json:"limit"`
+}
+
+func (t *PRList) Call(ctx context.Context, raw json.RawMessage) (json.RawMessage, error) {
+	var args prListArgs
+	if err := parseArgs(raw, &args); err != nil {
+		return nil, err
+	}
+	if err := t.a.Check(args.Owner); err != nil {
+		return nil, err
+	}
+	state := args.State
+	if state == "" {
+		state = "open"
+	}
+
+	prs, err := t.c.ListPullRequests(ctx, args.Owner, args.Name, state, args.Head, args.Page, capLimit(args.Limit, 30))
+	if err != nil {
+		return nil, err
+	}
+
+	result := make([]map[string]any, len(prs))
+	for i, pr := range prs {
+		result[i] = map[string]any{
+			"number":      pr.Number,
+			"title":       pr.Title,
+			"state":       pr.State,
+			"head_branch": pr.Head.Ref,
+			"base_branch": pr.Base.Ref,
+			"draft":       pr.Draft,
+			"html_url":    pr.HTMLURL,
+		}
+	}
+	return textOK(result)
+}

internal/tools/pr_list_test.go

@@ -0,0 +1,62 @@
+package tools_test
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"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/tools"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestPRListReturnsOpenPRs(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, "open", r.URL.Query().Get("state"))
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`[{
+			"number":7,"title":"Add feature X","html_url":"http://example.com/pulls/7",
+			"state":"open","draft":false,
+			"head":{"ref":"feat/x"},"base":{"ref":"main"}
+		}]`))
+	}))
+	defer srv.Close()
+
+	tool := tools.NewPRList(gitea.NewClient(srv.URL, "tok"), allowlist.New([]string{"owner"}))
+	out, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"owner","name":"repo"}`))
+	require.NoError(t, err)
+
+	var result []map[string]any
+	require.NoError(t, json.Unmarshal(out, &result))
+	require.Len(t, result, 1)
+	assert.Equal(t, float64(7), result[0]["number"])
+	assert.Equal(t, "feat/x", result[0]["head_branch"])
+	assert.Equal(t, "main", result[0]["base_branch"])
+}
+
+func TestPRListDefaultsToOpen(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, "open", r.URL.Query().Get("state"))
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`[]`))
+	}))
+	defer srv.Close()
+
+	tool := tools.NewPRList(gitea.NewClient(srv.URL, "tok"), allowlist.New([]string{"owner"}))
+	out, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"owner","name":"repo"}`))
+	require.NoError(t, err)
+
+	var result []map[string]any
+	require.NoError(t, json.Unmarshal(out, &result))
+	assert.Empty(t, result)
+}
+
+func TestPRListAllowlistRejects(t *testing.T) {
+	tool := tools.NewPRList(gitea.NewClient("http://unused", ""), allowlist.New([]string{"allowed"}))
+	_, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"evil","name":"repo"}`))
+	require.Error(t, err)
+}