aicra/driver/import.go

133 lines
3.2 KiB
Go

package driver
import (
"errors"
"fmt"
e "git.xdrm.io/go/aicra/err"
"git.xdrm.io/go/aicra/response"
"net/http"
"path/filepath"
"strings"
)
// Name returns the driver name
func (d *Import) Name() string { return "import" }
// Path returns the universal path from the source path
func (d Import) Path(_root, _folder, _src string) string {
return strings.TrimSuffix(_src, ".go")
}
// Source returns the source path from the universal path
func (d Import) Source(_root, _folder, _path string) string {
return fmt.Sprintf("%s.go", filepath.Join(_root, _folder, _path))
}
// Build returns the build path from the universal path
func (d Import) Build(_root, _folder, _path string) string {
return filepath.Join(_root, _folder, _path)
}
// Compiled returns whether the driver has to be build
func (d Import) Compiled() bool { return false }
// RegisterController registers a new controller
func (d *Import) RegisterController(_path string, _controller Controller) error {
// 1. init controllers if not already
if d.Controllers == nil {
d.Controllers = make(map[string]Controller)
}
// 2. fail if no controller
if _controller == nil {
return errors.New("nil controller")
}
// 3. Fail on invalid path
if len(_path) < 1 || _path[0] != '/' {
return errors.New("invalid controller path")
}
// 4. Store controller
d.Controllers[_path] = _controller
return nil
}
// RegisterMiddleware registers a new controller
func (d *Import) RegisterMiddlware(_path string, _middleware Middleware) error {
// 1. init imddlewares if not already
if d.Middlewares == nil {
d.Middlewares = make(map[string]Middleware)
}
// 2. fail if no imddleware
if _middleware == nil {
return errors.New("nil imddleware")
}
// 3. Fail on invalid path
if len(_path) < 1 || _path[0] != '/' {
return errors.New("invalid imddleware path")
}
// 4. Store imddleware
d.Middlewares[_path] = _middleware
return nil
}
// RunController implements the Driver interface
func (d *Import) RunController(_path []string, _method string) (func(response.Arguments) response.Response, e.Error) {
/* (1) Build controller path */
path := strings.Join(_path, "-")
/* (2) Check if controller exists */
controller, ok := d.Controllers[path]
if !ok {
return nil, e.UncallableController
}
/* (3) Format method */
method := strings.ToLower(_method)
/* (4) Return method according to method */
switch method {
case "GET":
return controller.Get, e.Success
case "POST":
return controller.Post, e.Success
case "PUT":
return controller.Put, e.Success
case "DELETE":
return controller.Delete, e.Success
default:
return nil, e.UncallableMethod
}
return nil, e.UncallableController
}
// LoadMiddleware returns a new middleware function; it must be a
// valid and existing folder/filename file with the .so extension
func (d *Import) LoadMiddleware(_path string) (func(http.Request, *[]string), error) {
/* (1) Check plugin name */
if len(_path) < 1 {
return nil, errors.New("middleware name must not be empty")
}
/* (2) Check if middleware exists */
middleware, ok := d.Middlewares[_path]
if !ok {
return nil, errors.New("middleware not found")
}
/* (3) Return middleware */
return middleware.Inspect, nil
}