github.com/prebid/prebid-server@v0.275.0/adapters/smaato/richmedia.go (about)

     1  package smaato
     2  
     3  import (
     4  	"encoding/json"
     5  	"fmt"
     6  	"github.com/prebid/prebid-server/errortypes"
     7  	"net/url"
     8  	"strings"
     9  )
    10  
    11  type richMediaAd struct {
    12  	RichMedia richmedia `json:"richmedia"`
    13  }
    14  type mediadata struct {
    15  	Content string `json:"content"`
    16  	W       int    `json:"w"`
    17  	H       int    `json:"h"`
    18  }
    19  
    20  type richmedia struct {
    21  	MediaData          mediadata `json:"mediadata"`
    22  	Impressiontrackers []string  `json:"impressiontrackers"`
    23  	Clicktrackers      []string  `json:"clicktrackers"`
    24  }
    25  
    26  func extractAdmRichMedia(adMarkup string) (string, error) {
    27  	var richMediaAd richMediaAd
    28  	if err := json.Unmarshal([]byte(adMarkup), &richMediaAd); err != nil {
    29  		return "", &errortypes.BadServerResponse{
    30  			Message: fmt.Sprintf("Invalid ad markup %s.", adMarkup),
    31  		}
    32  	}
    33  
    34  	var clickEvent strings.Builder
    35  	var impressionTracker strings.Builder
    36  
    37  	for _, clicktracker := range richMediaAd.RichMedia.Clicktrackers {
    38  		clickEvent.WriteString("fetch(decodeURIComponent('" + url.QueryEscape(clicktracker) + "'), " +
    39  			"{cache: 'no-cache'});")
    40  	}
    41  	for _, impression := range richMediaAd.RichMedia.Impressiontrackers {
    42  		impressionTracker.WriteString(fmt.Sprintf(`<img src="%s" alt="" width="0" height="0"/>`, impression))
    43  	}
    44  
    45  	richmediaAdMarkup := fmt.Sprintf(`<div onclick="%s">%s%s</div>`,
    46  		&clickEvent, richMediaAd.RichMedia.MediaData.Content, &impressionTracker)
    47  
    48  	return richmediaAdMarkup, nil
    49  }