feat(tools): workflow_run_trigger

internal/tools/workflow_run_trigger.go

@@ -0,0 +1,84 @@
+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"
+)
+
+// WorkflowRunTrigger triggers a Gitea Actions workflow_dispatch run.
+type WorkflowRunTrigger struct {
+	c       *gitea.Client
+	a       *allowlist.Allowlist
+	baseURL string
+}
+
+func NewWorkflowRunTrigger(c *gitea.Client, a *allowlist.Allowlist, baseURL string) *WorkflowRunTrigger {
+	return &WorkflowRunTrigger{c: c, a: a, baseURL: baseURL}
+}
+
+func (t *WorkflowRunTrigger) Descriptor() registry.ToolDescriptor {
+	return registry.ToolDescriptor{
+		Name:        "workflow_run_trigger",
+		Description: "Trigger a Gitea Actions workflow_dispatch run.",
+		InputSchema: json.RawMessage(`{
+			"type":"object",
+			"properties":{
+				"owner":{"type":"string"},
+				"name":{"type":"string"},
+				"workflow":{"type":"string"},
+				"ref":{"type":"string"},
+				"inputs":{"type":"object"}
+			},
+			"required":["owner","name","workflow"]
+		}`),
+	}
+}
+
+type workflowRunTriggerArgs struct {
+	Owner    string         `json:"owner"`
+	Name     string         `json:"name"`
+	Workflow string         `json:"workflow"`
+	Ref      string         `json:"ref"`
+	Inputs   map[string]any `json:"inputs"`
+}
+
+func (t *WorkflowRunTrigger) Call(ctx context.Context, raw json.RawMessage) (json.RawMessage, error) {
+	var args workflowRunTriggerArgs
+	if err := parseArgs(raw, &args); err != nil {
+		return nil, err
+	}
+	if err := t.a.Check(args.Owner); err != nil {
+		return nil, err
+	}
+	if args.Workflow == "" {
+		return nil, fmt.Errorf("workflow is required: %w", gitea.ErrValidation)
+	}
+
+	ref := args.Ref
+	if ref == "" {
+		repo, err := t.c.GetRepo(ctx, args.Owner, args.Name)
+		if err != nil {
+			return nil, err
+		}
+		ref = repo.DefaultBranch
+	}
+
+	result, err := t.c.DispatchWorkflow(ctx, args.Owner, args.Name, args.Workflow, gitea.DispatchWorkflowArgs{
+		Ref:    ref,
+		Inputs: args.Inputs,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	htmlURL := fmt.Sprintf("%s/%s/%s/actions/runs/%d", t.baseURL, args.Owner, args.Name, result.RunID)
+	return textOK(map[string]any{
+		"run_id":   result.RunID,
+		"html_url": htmlURL,
+	})
+}