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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| // Copyright 2018 The Nakama Authors | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package ga | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "errors" | ||
| "fmt" | ||
| "net/http" | ||
| "net/url" | ||
| "regexp" | ||
| ) | ||
|
|
||
| const gaURL = "https://www.google-analytics.com/collect" | ||
|
|
||
| var gacodeRegexp = regexp.MustCompile(`^UA-\d+-\d+$`) | ||
|
|
||
| // Event is a GA event. | ||
| type Event struct { | ||
| Ec string // event category | ||
| Ea string // event action | ||
| El string // event label | ||
| Ev string // event value | ||
| } | ||
|
|
||
| // AppInfo represents a mobile app info GA event. | ||
| type AppInfo struct { | ||
| An string // app name | ||
| Aid string // app identifier | ||
| Av string // app version | ||
| Aiid string // app installer identifier | ||
| } | ||
|
|
||
| // SendAppInfo will send the AppInfo struct to GA over HTTP. | ||
| func SendAppInfo(httpc *http.Client, gacode string, cookie string, app *AppInfo) error { | ||
| values := url.Values{} | ||
| values.Add("an", app.An) | ||
| values.Add("av", app.Av) | ||
| values.Add("aid", app.Aid) | ||
| values.Add("aiid", app.Aiid) | ||
| return SendValues(httpc, gacode, cookie, values) | ||
| } | ||
|
|
||
| // SendEvent will send the event struct to GA over HTTP. | ||
| func SendEvent(httpc *http.Client, gacode string, cookie string, event *Event) error { | ||
| if len(event.Ec) < 1 || len(event.Ea) < 1 { | ||
| return errors.New("event category/action must be set") | ||
| } | ||
|
|
||
| values := url.Values{} | ||
| values.Add("ec", event.Ec) | ||
| values.Add("ea", event.Ea) | ||
|
|
||
| if len(event.El) > 0 { | ||
| values.Add("el", event.El) | ||
| } | ||
| if len(event.Ev) > 0 { | ||
| values.Add("ev", event.Ev) | ||
| } | ||
|
|
||
| values.Add("t", "event") | ||
| return SendValues(httpc, gacode, cookie, values) | ||
| } | ||
|
|
||
| // SendValues will send supplied values to GA over HTTP. | ||
| func SendValues(httpc *http.Client, gacode string, cookie string, values url.Values) error { | ||
| if !gacodeRegexp.MatchString(gacode) { | ||
| return errors.New("invalid tracking id") | ||
| } | ||
|
|
||
| // Add required params | ||
| values.Add("v", "1") | ||
| values.Add("tid", gacode) | ||
| values.Add("cid", cookie) | ||
|
|
||
| // Send request | ||
| buf := bytes.NewBufferString(values.Encode()) | ||
| resp, err := httpc.Post(gaURL, "application/x-www-form-urlencoded", buf) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| defer resp.Body.Close() | ||
|
|
||
| if resp.StatusCode >= 400 { | ||
| return fmt.Errorf("request failed with '%v' status", resp.StatusCode) | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| // SendSessionStart will send a session start event to GA over HTTP. | ||
| func SendSessionStart(httpc *http.Client, gacode string, cookie string) error { | ||
| values := url.Values{} | ||
| values.Add("t", "event") | ||
| values.Add("sc", "start") | ||
| return SendValues(httpc, gacode, cookie, values) | ||
| } | ||
|
|
||
| // SendSessionStop will send a session stop event to GA over HTTP. | ||
| func SendSessionStop(httpc *http.Client, gacode string, cookie string) error { | ||
| values := url.Values{} | ||
| values.Add("t", "event") | ||
| values.Add("sc", "end") | ||
| return SendValues(httpc, gacode, cookie, values) | ||
| } |
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