[feat]#232: 화면에 그려요

feature/server-driven/src/main/java/com/bff/wespot/server/driven/onboarding/OnBoardingBottomSheet.kt

@@ -0,0 +1,96 @@
+package com.bff.wespot.server.driven.onboarding
+
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.pager.HorizontalPager
+import androidx.compose.foundation.pager.rememberPagerState
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import com.bff.wespot.model.serverDriven.BaseComponent
+import com.bff.wespot.model.serverDriven.ButtonComponent
+import com.bff.wespot.model.serverDriven.ImageComponent
+import com.bff.wespot.model.serverDriven.OnBoardingCategory
+import com.bff.wespot.model.serverDriven.TextListComponent
+import com.bff.wespot.model.serverDriven.TitleComponent
+import com.bff.wespot.server.driven.component.ButtonSection
+import com.bff.wespot.server.driven.component.ImageSection
+import com.bff.wespot.server.driven.component.TextListSection
+import com.bff.wespot.server.driven.component.TitleSection
+import kotlinx.coroutines.launch
+
+@Composable
+fun OnBoardingBottomSheet(
+    viewModel: OnBoardingViewModel = hiltViewModel(),
+    category: OnBoardingCategory,
+    closeOnBoarding: () -> Unit
+) {
+    val contents by viewModel.contents.collectAsStateWithLifecycle()
+    val coroutineScope = rememberCoroutineScope()
+    val pagerState = rememberPagerState { contents.size }
+
+    HorizontalPager(
+        state = pagerState,
+        modifier = Modifier.fillMaxWidth(),
+        userScrollEnabled = false,
+    ) { page ->
+        OnBoardingPage(contents[page].data) {
+            if (page == contents.size - 1) {
+                closeOnBoarding.invoke()
+            } else {
+                coroutineScope.launch {
+                    pagerState.animateScrollToPage(page + 1)
+                }
+            }
+        }
+    }
+
+    LaunchedEffect(category) {
+        viewModel.getOnBoarding(category)
+    }
+}
+
+@Composable
+private fun OnBoardingPage(
+    contents: List<BaseComponent>,
+    onClick: () -> Unit,
+) {
+    LazyColumn(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(start = 20.dp, top = 40.dp, end = 20.dp, bottom = 10.dp),
+        horizontalAlignment = Alignment.CenterHorizontally,
+    ) {
+        items(contents) { content ->
+            when (content) {
+                is TitleComponent -> {
+                    TitleSection(title = content.text)
+                }
+
+                is TextListComponent -> {
+                    TextListSection(textList = content.textList)
+                }
+
+                is ImageComponent -> {
+                    ImageSection(
+                        imageUrl = content.url,
+                        width = content.width,
+                        height = content.height,
+                    )
+                }
+
+                is ButtonComponent -> {
+                    ButtonSection(text = content.text, onClick = onClick)
+                }
+            }
+        }
+    }
+}

feature/server-driven/src/main/java/com/bff/wespot/server/driven/onboarding/OnBoardingViewModel.kt

@@ -0,0 +1,30 @@
+package com.bff.wespot.server.driven.onboarding
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.bff.wespot.domain.repository.serverDriven.OnBoardingRepository
+import com.bff.wespot.model.serverDriven.OnBoardingCategory
+import com.bff.wespot.model.serverDriven.OnBoardingContent
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+@HiltViewModel
+class OnBoardingViewModel @Inject constructor(
+    private val onBoardingRepository: OnBoardingRepository,
+) : ViewModel() {
+    private val _contents = MutableStateFlow<List<OnBoardingContent>>(emptyList())
+    val contents = _contents.asStateFlow()
+
+    fun getOnBoarding(category: OnBoardingCategory) {
+        viewModelScope.launch {
+            onBoardingRepository.getOnBoarding(category)
+                .onSuccess {
+                    val components = it.data
+                    _contents.value = components
+                }
+        }
+    }
+}