Starts to follow the pattern as laid out in the other SDK

Author: tjj5036

optimizely/event.go

@@ -1,5 +1,11 @@
 package optimizely
 
+import (
+	"fmt"
+	"net/url"
+	"time"
+)
+
 var OFFLINE_API_PATH = "https://%v.log.optimizely.com/event" // project_id
 var END_USER_ID_TEMPLATE = "oeu-%v"                          // user_id
 
@@ -14,8 +20,72 @@ const (
 	REVENUE     = "v"
 	SOURCE      = "src"
 	TIME        = "time"
+	SDK_VERSION = "0.0"
 )
 
 func DispatchEvent() {
 
 }
+
+type Event struct {
+	params url.Values
+}
+
+// Add experiment to variation mapping to the impression event
+// experiment_key: Experiment which is being activated
+// variation_id: id for variation which would be presented to the user
+func (event *Event) add_experiment(experiment_key string, variation_id string) {
+
+}
+
+// Add imp[ression goal information to the event
+// experiment_key: Experiment which is being activated
+func (event *Event) add_impression_goal(experiment_key string) {
+
+}
+
+// Get segment Id for the provided attribute key
+// project_config: the project_Config
+// attributes: the attributes to search through
+// attribute_key: the attribute key for which segment ID is to be determined
+func GetSementId(project_config ProjectConfig, attributes []AttributeEntity, attribute_key string) string {
+	for i := 0; i < len(attributes); i++ {
+		if attributes[i].Key == attribute_key {
+			return attributes[i].SegmentId
+		}
+	}
+	return ""
+}
+
+// BuildAttributeParams adds attribute parameters to the URL Value Map
+func build_attribute_params(event *Event, project_config ProjectConfig, attributes []AttributeEntity) {
+	for i := 0; i < len(attributes); i++ {
+		segment_id := GetSementId(project_config, attributes, attributes[i].Key)
+		if len(segment_id) > 0 {
+			event.params.Add(fmt.Sprintf("{%v}{%v}", SEGMENT, segment_id), attributes[i].Value)
+		}
+	}
+}
+
+// Add params which are used in both conversion and impression events
+// user_id: Id for user
+// attributes: array representing user attributes and values which need to be recorded
+func (event *Event) add_common_params(client *OptimizelyClient, user_id string, attributes []AttributeEntity) {
+	event.params.Add(PROJECT_ID, client.project_config.ProjectId)
+	event.params.Add(ACCOUNT_ID, client.account_id)
+	event.params.Add(END_USER_ID, user_id)
+	build_attribute_params(event, client.project_config, attributes)
+	event.params.Add(SOURCE, fmt.Sprintf("go-sdk-%v", SDK_VERSION))
+	event.params.Add(TIME, fmt.Sprint("%v", time.Now().Unix()))
+}
+
+// Create impression Event to be sent to the logging endpoint.
+// experiment_key: Experiment for which impression needs to be recorded.
+// variation_id: ID for variation which would be presented to user.
+// user_id: ID for user.
+// attributes: Dict representing user attributes and values which need to be recorded.
+// Returns: Event object encapsulating the impression event.
+func CreateImpressionEvent(client *OptimizelyClient, experiment_key string, variation_id string, user_id string, attributes []AttributeEntity) {
+	event := &Event{}
+	event.add_common_params(client, user_id, attributes)
+}

optimizely/optimizely.go

@@ -31,6 +31,8 @@ func (client *OptimizelyClient) Track(
 	attributes []AttributeEntity,
 	event_value string) {
 
+	// Create and distpatch conversion event
+
 	var Url *url.URL
 	Url, err := url.Parse("")
 	if err != nil {

optimizely/utils.go

@@ -19,19 +19,6 @@ func GetGoalIdFromProjectConfig(event_key string, project_config ProjectConfig)
 	return ""
 }
 
-// Get segment Id for the provided attribute key
-// project_config: the project_Config
-// attributes: the attributes to search through
-// attribute_key: the attribute key for which segment ID is to be determined
-func GetSementId(project_config ProjectConfig, attributes []AttributeEntity, attribute_key string) string {
-	for i := 0; i < len(attributes); i++ {
-		if attributes[i].Key == attribute_key {
-			return attributes[i].SegmentId
-		}
-	}
-	return ""
-}
-
 // BuildAttributeParams adds attribute parameters to the URL Value Map
 func BuildAttributeParams(
 	project_config ProjectConfig,