// NewModelWithPath allocates and returns a new Model,
// using the given path as it's json file path
func NewModelWithPath(path string, router *Router) (*Model, error) {
// open file
file, err := os.Open(path)
if err != nil {
return nil, err
}
defer file.Close()
model := NewModel(router)
bytes := []byte{}
err = gtester.NewInspector().
Check(func() error { bytes, err = ioutil.ReadAll(file); return err }).
Check(func() error { return json.Unmarshal(bytes, model) }).
Check(model.CheckRelationshipsMeta).
Check(model.CheckColumnsMeta).
Check(model.ValidateSeedsValue).
Then(func() {
model.initSet()
})
return model, err
}
// NewWithApiDir alloactes and returns a new ApiFaker with the given dir as its ApiDir,
// the error will not be nil if
// 1. dir is wrong
// 2. json file format is wrong
// 3. break rules described in README.md
func NewWithApiDir(dir string) (*ApiFaker, error) {
faker := &ApiFaker{
ApiDir: dir,
Routers: map[string]*Router{},
}
err := gtester.NewInspector().Check(func() error {
return filepath.Walk(dir, func(path string, f os.FileInfo, err error) error {
if f == nil {
return err
}
if f.IsDir() || !strings.HasSuffix(path, ".json") {
return nil
}
if router, err := NewRouterWithPath(path, faker); err != nil {
return err
} else {
if _, ok := faker.Routers[router.Model.Name]; ok {
return JsonFileErrorf("%s has been existed", router.Model.Name)
} else {
faker.Routers[router.Model.Name] = router
}
}
return nil
})
}).
Check(faker.CheckUniqueness).
Check(faker.CheckRelationships).
Then(func() {
faker.setHandlers()
faker.setSaveToFileTimer()
})
return faker, err
}