Merge pull request #14 from optimizely/return_impression_event

Continues simplification pattern

Author: tjj5036

optimizely/event.go

@@ -34,14 +34,27 @@ type Event struct {
 // 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) {
-
+func (event *Event) add_experiment(project_config ProjectConfig, experiment_key string, variation_id string) {
+	experiment_id := ""
+	for i := 0; i < len(project_config.Experiments); i++ {
+		if project_config.Experiments[i].Key == experiment_key {
+			experiment_id = project_config.Experiments[i].Id
+		}
+	}
+	event.params.Add(fmt.Sprintf("{%v}{%v}", EXPERIMENT, experiment_id), variation_id)
 }
 
 // Add imp[ression goal information to the event
 // experiment_key: Experiment which is being activated
-func (event *Event) add_impression_goal(experiment_key string) {
-
+func (event *Event) add_impression_goal(project_config ProjectConfig, experiment_key string) {
+	experiment_id := ""
+	for i := 0; i < len(project_config.Experiments); i++ {
+		if project_config.Experiments[i].Key == experiment_key {
+			experiment_id = project_config.Experiments[i].Id
+		}
+	}
+	event.params.Add(GOAL_ID, experiment_id)
+	event.params.Add(GOAL_NAME, "visitor-event")
 }
 
 // Get segment Id for the provided attribute key
@@ -85,7 +98,10 @@ func (event *Event) add_common_params(client *OptimizelyClient, user_id string,
 // 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) {
+func CreateImpressionEvent(client *OptimizelyClient, experiment_key string, variation_id string, user_id string, attributes []AttributeEntity) *Event {
 	event := &Event{}
 	event.add_common_params(client, user_id, attributes)
+	event.add_impression_goal(client.project_config, experiment_key)
+	event.add_experiment(client.project_config, experiment_key, variation_id)
+	return event
 }

optimizely/optimizely.go

@@ -1,10 +1,5 @@
 package optimizely
 
-import (
-	"fmt"
-	"net/url"
-)
-
 // GetOptimizelyClient returns a client that can be used to interface
 // with Optimizely
 func GetOptimizelyClient(account_id string) (*OptimizelyClient, error) {
@@ -31,46 +26,6 @@ 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 {
-		panic("boom")
-	}
-
-	end_user_id := fmt.Sprintf(END_USER_ID_TEMPLATE, user_id)
-	goal_id := GetGoalIdFromProjectConfig(event_key, client.project_config)
-
-	// build string to make GET request with
-	parameters := url.Values{}
-	parameters.Add(ACCOUNT_ID, client.account_id)
-	parameters.Add(PROJECT_ID, client.project_config.ProjectId)
-	parameters.Add(GOAL_NAME, event_key)
-	parameters.Add(GOAL_ID, goal_id)
-	parameters.Add(END_USER_ID, end_user_id)
-
-	// Set experiment and corresponding variation
-	BuildExperimentVariationParams(
-		client.project_config, event_key, client.project_config.Experiments, user_id, parameters)
-
-	// Set attribute params if any
-	if len(attributes) > 0 {
-		BuildAttributeParams(client.project_config, attributes, parameters)
-	}
-
-	// Set event_value if set and also append the revenue goal ID
-	if len(event_value) != 0 {
-		parameters.Add(REVENUE, event_value)
-		//parameters.Add(GOAL_ID, fmt.Sprintf(
-		//"{%v},{%v}", goal_id, GetRevenueGoalFromProjectConfig())
-	}
-
-	// Dispatch event
-	Url.RawQuery = parameters.Encode()
-	tracking_url := Url.String()
-	fmt.Print(tracking_url)
-
 }
 
 // Activate buckets visitor and sends impression event to Optimizely
@@ -80,12 +35,10 @@ func (client *OptimizelyClient) Track(
 // attributes: optional list representing visitor attributes and values
 func (client *OptimizelyClient) Activate(experiment_key string, user_id string, attributes []AttributeEntity) {
 	var valid_experiment = false
-	var experiment_id = ""
 	for i := 0; i < len(client.project_config.Experiments); i++ {
 		if client.project_config.Experiments[i].Key == experiment_key {
 			if ExperimentIsRunning(client.project_config.Experiments[i]) {
 				valid_experiment = true
-				experiment_id = client.project_config.Experiments[i].Id
 			}
 		}
 	}
@@ -94,23 +47,9 @@ func (client *OptimizelyClient) Activate(experiment_key string, user_id string,
 		return
 	}
 
-	end_user_id := fmt.Sprintf(END_USER_ID_TEMPLATE, user_id)
-	variation_id := client.Bucket(experiment_key, user_id)
-
-	parameters := url.Values{}
-	parameters.Add(ACCOUNT_ID, client.account_id)
-	parameters.Add(PROJECT_ID, client.project_config.ProjectId)
-	parameters.Add(GOAL_NAME, GenerateGoalName(client.project_config.Events))
-	parameters.Add(fmt.Sprintf("{%v}{%v}", EXPERIMENT, experiment_id), variation_id)
-	parameters.Add(GOAL_ID, experiment_id)
-	parameters.Add(END_USER_ID, end_user_id)
-
-	// Set attribute params if any
-	if len(attributes) > 0 {
-		BuildAttributeParams(client.project_config, attributes, parameters)
-	}
-
-	// TODO dispatch event
+	variation_id := ""
+	impression_event := CreateImpressionEvent(
+		client, experiment_key, variation_id, user_id, attributes)
 
 }