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Technical Analytics: Milestone 3 - New App Health Metrics (#5320)
<!-- READ ME FIRST: Please fill in the explanation section below and check off every point from the Essential Checklist! --> ## Explanation <!-- - Explain what your PR does. If this PR fixes an existing bug, please include - "Fixes #bugnum:" in the explanation so that GitHub can auto-close the issue - when this PR is merged. --> When merged, this PR will; - Introduce the ability to log all network calls as well as failed network calls. - Introduce the ability to log all console errors logged via the `ConsoleLogger`. - Introduce the ability to log the time spent by a user with the app in the foreground. ## Essential Checklist <!-- Please tick the relevant boxes by putting an "x" in them. --> - [ ] The PR title and explanation each start with "Fix #bugnum: " (If this PR fixes part of an issue, prefix the title with "Fix part of #bugnum: ...".) - [x] Any changes to [scripts/assets](https://github.com/oppia/oppia-android/tree/develop/scripts/assets) files have their rationale included in the PR explanation. - [x] The PR follows the [style guide](https://github.com/oppia/oppia-android/wiki/Coding-style-guide). - [x] The PR does not contain any unnecessary code changes from Android Studio ([reference](https://github.com/oppia/oppia-android/wiki/Guidance-on-submitting-a-PR#undo-unnecessary-changes)). - [x] The PR is made from a branch that's **not** called "develop" and is up-to-date with "develop". - [x] The PR is **assigned** to the appropriate reviewers ([reference](https://github.com/oppia/oppia-android/wiki/Guidance-on-submitting-a-PR#clarification-regarding-assignees-and-reviewers-section)). ## For UI-specific PRs only <!-- Delete these section if this PR does not include UI-related changes. --> If your PR includes UI-related changes, then: - Add screenshots for portrait/landscape for both a tablet & phone of the before & after UI changes - For the screenshots above, include both English and pseudo-localized (RTL) screenshots (see [RTL guide](https://github.com/oppia/oppia-android/wiki/RTL-Guidelines)) - Add a video showing the full UX flow with a screen reader enabled (see [accessibility guide](https://github.com/oppia/oppia-android/wiki/Accessibility-A11y-Guide)) - For PRs introducing new UI elements or color changes, both light and dark mode screenshots must be included - Add a screenshot demonstrating that you ran affected Espresso tests locally & that they're passing
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data/src/main/java/org/oppia/android/data/backends/gae/NetworkLoggingInterceptor.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| package org.oppia.android.data.backends.gae | ||
|
|
||
| import kotlinx.coroutines.CoroutineDispatcher | ||
| import kotlinx.coroutines.CoroutineScope | ||
| import kotlinx.coroutines.flow.MutableSharedFlow | ||
| import kotlinx.coroutines.flow.SharedFlow | ||
| import kotlinx.coroutines.launch | ||
| import okhttp3.Interceptor | ||
| import okhttp3.Response | ||
| import org.oppia.android.app.model.EventLog.RetrofitCallContext | ||
| import org.oppia.android.app.model.EventLog.RetrofitCallFailedContext | ||
| import org.oppia.android.util.threading.BackgroundDispatcher | ||
| import java.io.IOException | ||
| import java.lang.Exception | ||
| import javax.inject.Inject | ||
| import javax.inject.Singleton | ||
|
|
||
| /** | ||
| * Interceptor on top of Retrofit to log network requests and responses. | ||
| */ | ||
| @Singleton | ||
| class NetworkLoggingInterceptor @Inject constructor( | ||
| @BackgroundDispatcher private val backgroundDispatcher: CoroutineDispatcher, | ||
| ) : Interceptor { | ||
| private val _logNetworkCallFlow = MutableSharedFlow<RetrofitCallContext>() | ||
| /** | ||
| * A flow that emits a [RetrofitCallContext] when a network call is made. | ||
| */ | ||
| val logNetworkCallFlow: SharedFlow<RetrofitCallContext> = _logNetworkCallFlow | ||
|
|
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| private val _logFailedNetworkCallFlow = MutableSharedFlow<RetrofitCallFailedContext>() | ||
|
|
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| /** | ||
| * A flow that emits a [RetrofitCallFailedContext] when a network call fails. | ||
| */ | ||
| val logFailedNetworkCallFlow: SharedFlow<RetrofitCallFailedContext> = _logFailedNetworkCallFlow | ||
|
|
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| @Throws(IOException::class) | ||
| override fun intercept(chain: Interceptor.Chain): Response { | ||
| val request = chain.request() | ||
|
|
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| return try { | ||
| val response = chain.proceed(request) | ||
|
|
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| val responseBody = response.body?.string() | ||
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| CoroutineScope(backgroundDispatcher).launch { | ||
| _logNetworkCallFlow.emit( | ||
| RetrofitCallContext.newBuilder() | ||
| .setRequestUrl(request.url.toString()) | ||
| .setHeaders(request.headers.toString()) | ||
| .setResponseStatusCode(response.code) | ||
| .setBody(responseBody ?: "") | ||
| .build() | ||
| ) | ||
| } | ||
|
|
||
| if (!response.isSuccessful) { | ||
| CoroutineScope(backgroundDispatcher).launch { | ||
| _logFailedNetworkCallFlow.emit( | ||
| RetrofitCallFailedContext.newBuilder() | ||
| .setRequestUrl(request.url.toString()) | ||
| .setHeaders(request.headers.toString()) | ||
| .setResponseStatusCode(response.code) | ||
| .setErrorMessage(responseBody ?: "") | ||
| .build() | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| response | ||
| } catch (exception: Exception) { | ||
| CoroutineScope(backgroundDispatcher).launch { | ||
| _logFailedNetworkCallFlow.emit( | ||
| RetrofitCallFailedContext.newBuilder() | ||
| .setRequestUrl(request.url.toString()) | ||
| .setHeaders(request.headers.toString()) | ||
| .setResponseStatusCode(0) | ||
| .setErrorMessage(exception.toString()) | ||
| .build() | ||
| ) | ||
| } | ||
| chain.proceed(request) | ||
| } | ||
| } | ||
| } |
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