Add ProfileViewState.

qingmei2 · Jul 22, 2019 · 3241980 · 3241980
1 parent 7fd6f33
commit 3241980
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Showing 3 changed files with 64 additions and 27 deletions.
diff --git a/app/src/main/java/com/qingmei2/sample/ui/main/profile/ProfileFragment.kt b/app/src/main/java/com/qingmei2/sample/ui/main/profile/ProfileFragment.kt
@@ -8,7 +8,6 @@ import com.qingmei2.rhine.ext.reactivex.clicksThrottleFirst
 import com.qingmei2.rhine.image.GlideApp
 import com.qingmei2.rhine.util.RxSchedulers
 import com.qingmei2.sample.R
-import com.qingmei2.sample.entity.UserInfo
 import com.qingmei2.sample.utils.toast
 import com.uber.autodispose.autoDisposable
 import kotlinx.android.synthetic.main.fragment_profile.*
@@ -32,24 +31,30 @@ class ProfileFragment : BaseFragment() {
     }
 
     private fun binds() {
-        mViewModel.userInfoSubject
+        mViewModel.observeViewState()
                 .observeOn(RxSchedulers.ui)
                 .autoDisposable(scopeProvider)
-                .subscribe { renderUserOwner(it) }
+                .subscribe(::onNewState)
 
         mBtnEdit.clicksThrottleFirst()
                 .autoDisposable(scopeProvider)
                 .subscribe { toast { "coming soon..." } }
     }
 
-    private fun renderUserOwner(userInfo: UserInfo) {
-        GlideApp.with(context!!)
-                .load(userInfo.avatarUrl)
-                .apply(RequestOptions().circleCrop())
-                .into(mIvAvatar)
-
-        mTvNickname.text = userInfo.name
-        mTvBio.text = userInfo.bio
-        mTvLocation.text = userInfo.location
+    private fun onNewState(state: ProfileViewState) {
+        if (state.throwable != null) {
+            // handle throwable.
+        }
+
+        if (state.userInfo != null) {
+            GlideApp.with(context!!)
+                    .load(state.userInfo.avatarUrl)
+                    .apply(RequestOptions().circleCrop())
+                    .into(mIvAvatar)
+
+            mTvNickname.text = state.userInfo.name
+            mTvBio.text = state.userInfo.bio
+            mTvLocation.text = state.userInfo.location
+        }
     }
 }
diff --git a/app/src/main/java/com/qingmei2/sample/ui/main/profile/ProfileViewModel.kt b/app/src/main/java/com/qingmei2/sample/ui/main/profile/ProfileViewModel.kt
@@ -6,28 +6,18 @@ import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.ViewModelProviders
 import com.qingmei2.rhine.base.viewmodel.BaseViewModel
 import com.qingmei2.rhine.util.SingletonHolderSingleArg
-import com.qingmei2.sample.entity.UserInfo
-import com.qingmei2.sample.manager.UserManager
+import io.reactivex.Observable
 import io.reactivex.subjects.BehaviorSubject
 
 class ProfileViewModel(
         private val repo: ProfileRepository
 ) : BaseViewModel() {
 
-    private val mErrorEventSubject = BehaviorSubject.create<Throwable>()
-    private val loadingStateChangedEventSubject = BehaviorSubject.create<Boolean>()
-    val userInfoSubject = BehaviorSubject.create<UserInfo>()
+    private val mViewStateSubject: BehaviorSubject<ProfileViewState> =
+            BehaviorSubject.createDefault(ProfileViewState.initial())
 
-    init {
-        applyState(user = UserManager.INSTANCE)
-    }
-
-    private fun applyState(isLoading: Boolean = false,
-                           user: UserInfo? = null,
-                           error: Throwable? = null) {
-        this.loadingStateChangedEventSubject.onNext(isLoading)
-        error?.apply { mErrorEventSubject.onNext(this) }
-        user?.apply { userInfoSubject.onNext(this) }
+    fun observeViewState(): Observable<ProfileViewState> {
+        return mViewStateSubject.hide().distinctUntilChanged()
     }
 
     companion object {

diff --git a/app/src/main/java/com/qingmei2/sample/ui/main/profile/ProfileViewState.kt b/app/src/main/java/com/qingmei2/sample/ui/main/profile/ProfileViewState.kt
@@ -0,0 +1,42 @@
+package com.qingmei2.sample.ui.main.profile
+
+import com.qingmei2.sample.entity.UserInfo
+import com.qingmei2.sample.manager.UserManager
+
+data class ProfileViewState(
+        val isLoading: Boolean,
+        val throwable: Throwable?,
+        val userInfo: UserInfo?
+) {
+
+    companion object {
+
+        fun initial(): ProfileViewState {
+            return ProfileViewState(
+                    isLoading = false,
+                    throwable = null,
+                    userInfo = UserManager.INSTANCE
+            )
+        }
+    }
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+
+        other as ProfileViewState
+
+        if (isLoading != other.isLoading) return false
+        if (throwable != other.throwable) return false
+        if (userInfo != other.userInfo) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        var result = isLoading.hashCode()
+        result = 31 * result + (throwable?.hashCode() ?: 0)
+        result = 31 * result + (userInfo?.hashCode() ?: 0)
+        return result
+    }
+}