Golang Request.HttpRequest方法代码示例

// Returns a Context Object.
func NewContext(req *wcg.Request) appengine.Context {
	ctx := req.Local("__gaetest__context")
	if ctx != nil {
		return ctx.(appengine.Context)
	}
	return appengine.NewContext(req.HttpRequest())
}

func queryShows(res *wcg.Response, req *wcg.Request, q *datastore.Query) (*showQueryResult, error) {
	var appCtx = lib.NewAppContextFromRequest(req)
	var showList []event.Show
	var basePath = req.HttpRequest().URL.Path
	per_page := 12 // Restict to 12 due to view rendering.
	page := wcg.ParseInt(req.Query("page"), 0, 0, wcg.ParseIntMax)
	if _, err := q.Offset(page * per_page).Limit(per_page).GetAll(&showList); err != nil {
		return nil, err
	}
	if showList == nil {
		return &showQueryResult{
			Shows: make([]EventShow, 0),
		}, nil
	}

	if list, err := NewEventShowList(appCtx, showList); err != nil {
		return nil, err
	} else {
		p := &showQueryResult{
			Shows:   list,
			Current: fmt.Sprintf("%s?page=%d&n=%d", basePath, page, per_page),
		}

		// prev url
		if page > 0 {
			p.Previous = fmt.Sprintf("%s?page=%d&n=%d", basePath, page-1, per_page)
		}

		// next url
		if len(p.Shows) == per_page {
			p.Next = fmt.Sprintf("%s?page=%d&n=%d", basePath, page+1, per_page)
		}
		return p, nil
	}
}

func updateAttributesFromForm(res *wcg.Response, req *wcg.Request, e *event.Event) error {
	var err error
	if err = eventFormValidator.Eval(req.HttpRequest().PostForm); err != nil {
		return err
	}
	e.Title = req.Form("title")
	e.Link = req.Form("link")
	e.ImageLink = req.Form("image_link")
	e.YAKeyword = req.Form("ya_keyword")
	e.EventType = event.ParseEventType(req.Form("event_type"))
	return nil
}

func updateAttributesFromForm(res *wcg.Response, req *wcg.Request, p *blog.Post) error {
	var err error
	if err = postFormValidator.Eval(req.HttpRequest().PostForm); err != nil {
		return err
	}
	p.Title = req.Form("title")
	p.Content = req.Form("content")
	p.Tags = blog.ParseTagString(req.Form("tags"))
	p.IsDraft = req.Form("is_draft") == "true"
	p.IsHidden = req.Form("is_hidden") == "true"
	p.PublishAt, err = wcg.ParseDateTime(req.Form("publish_at"))
	return nil
}

func NewService(req *wcg.Request) (*bigquery.Service, error) {
	var ctx appengine.Context
	tmp := req.Local("__gaetest__context")
	if tmp != nil {
		ctx = tmp.(appengine.Context)
	} else {
		ctx = appengine.NewContext(req.HttpRequest())
	}

	client, err := serviceaccount.NewClient(ctx, bigquery.BigqueryScope)
	if err != nil {
		return nil, err
	}
	svc, err := bigquery.New(client)
	if err != nil {
		return nil, err
	}
	return svc, nil
}

func queryPosts(res *wcg.Response, req *wcg.Request, per_page int) (*postQueryResult, error) {
	var list []blog.Post
	var basePath = req.HttpRequest().URL.Path
	is_admin := (lib.GetUserKind(req) == lib.Admin) && (req.Query("is_admin") == "true")
	if per_page == 0 {
		per_page = wcg.ParseInt(req.Query("n"), 5, 0, 20) // default 5, max 20
	}
	page := wcg.ParseInt(req.Query("page"), 0, 0, wcg.ParseIntMax)
	q := NewPostDriver(lib.NewAppContextFromRequest(req)).NewQuery()
	q = q.Order("-PublishAt").Order("-CreatedAt")
	if !is_admin {
		q = q.Filter("PublishAt <=", time.Now()).Filter("IsDraft =", false).Filter("IsHidden =", false)
	}

	_, err := q.Offset(page * per_page).Limit(per_page).GetAll(&list)
	if err != nil {
		return nil, err
	}
	if list == nil {
		list = make([]blog.Post, 0)
	}

	p := &postQueryResult{
		Posts: list,
	}

	// prev url
	if page > 0 {
		p.Previous = fmt.Sprintf("%s?page=%d&n=%d", basePath, page-1, per_page)
		if is_admin {
			p.Previous = fmt.Sprintf("%s&is_admin=true", p.Previous)
		}
	}

	// next url
	if len(list) == per_page {
		p.Next = fmt.Sprintf("%s?page=%d&n=%d", basePath, page+1, per_page)
		if is_admin {
			p.Next = fmt.Sprintf("%s&is_admin=true", p.Next)
		}
	}
	return p, nil
}