feat: support for NASA APOD (closes #212)

app/src/main/java/com/bnyro/wallpaper/App.kt

@@ -6,6 +6,7 @@ import coil.ImageLoaderFactory
 import coil.disk.DiskCache
 import com.bnyro.wallpaper.api.bi.BiApi
 import com.bnyro.wallpaper.api.le.LeApi
+import com.bnyro.wallpaper.api.na.NaApi
 import com.bnyro.wallpaper.api.ow.OwApi
 import com.bnyro.wallpaper.api.ps.PsApi
 import com.bnyro.wallpaper.api.px.PxApi
@@ -47,6 +48,6 @@ class App : Application(), ImageLoaderFactory {
 
     companion object {
         val apis =
-            listOf(WhApi(), OwApi(), UsApi(), BiApi(), ReApi(), LeApi(), PxApi(), SpApi(), PsApi())
+            listOf(WhApi(), OwApi(), UsApi(), BiApi(), ReApi(), LeApi(), PxApi(), SpApi(), NaApi(), PsApi())
     }
 }

app/src/main/java/com/bnyro/wallpaper/api/na/NaApi.kt

@@ -0,0 +1,63 @@
+package com.bnyro.wallpaper.api.na
+
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Star
+import androidx.compose.ui.graphics.vector.ImageVector
+import com.bnyro.wallpaper.api.Api
+import com.bnyro.wallpaper.db.obj.Wallpaper
+import com.bnyro.wallpaper.util.RetrofitHelper
+import java.time.LocalDateTime
+import java.time.format.DateTimeFormatter
+
+class NaApi : Api() {
+    override val name: String = "NASA APOD"
+    override val icon: ImageVector = Icons.Default.Star
+    override val baseUrl: String = "https://api.nasa.gov/"
+
+    override val filters: Map<String, List<String>>
+        get() = mapOf("order" to listOf("date", "random"))
+
+    private val api = RetrofitHelper.create(baseUrl, NasaAPOD::class.java)
+
+    private var nextEndDate: LocalDateTime? = null
+
+    override suspend fun getWallpapers(page: Int): List<Wallpaper> {
+        val sortByDate = getQuery("order") == "date"
+
+        val response = if (sortByDate) {
+            val endDate = if (page == 1 || nextEndDate == null) {
+                LocalDateTime.now()
+            } else {
+                nextEndDate
+            }
+            nextEndDate = endDate!!.minusDays(10)
+
+            api.getImages(
+                endDate = endDate.format(DateTimeFormatter.ISO_LOCAL_DATE),
+                startDate = nextEndDate!!.format(
+                    DateTimeFormatter.ISO_LOCAL_DATE
+                )
+            )
+        } else {
+            api.getImages(count = 10)
+        }
+
+        return response
+            .filter { it.mediaType == "image" && (it.url ?: it.hdUrl) != null }
+            .map {
+                Wallpaper(
+                    imgSrc = it.hdUrl ?: it.url!!,
+                    thumb = it.url,
+                    author = it.copyright,
+                    creationDate = it.date,
+                    title = it.title,
+                    description = it.explanation
+                )
+            }
+    }
+
+    override suspend fun getRandomWallpaperUrl(): String? {
+        val image = api.getLatestImage()
+        return image.hdUrl ?: image.url
+    }
+}

app/src/main/java/com/bnyro/wallpaper/api/na/NasaAPOD.kt

@@ -0,0 +1,22 @@
+package com.bnyro.wallpaper.api.na
+
+import com.bnyro.wallpaper.api.na.obj.NasaImage
+import retrofit2.http.GET
+import retrofit2.http.Query
+
+private const val API_KEY = "DEMO_KEY"
+
+interface NasaAPOD {
+    @GET("planetary/apod")
+    suspend fun getImages(
+        @Query("api_key") apiKey: String = API_KEY,
+        @Query("count") count: Int? = null,
+        @Query("start_date") startDate: String? = null,
+        @Query("end_date") endDate: String? = null
+    ): List<NasaImage>
+
+    @GET("planetary/apod")
+    suspend fun getLatestImage(
+        @Query("api_key") apiKey: String = API_KEY,
+    ): NasaImage
+}

app/src/main/java/com/bnyro/wallpaper/api/na/obj/NasaImage.kt

@@ -0,0 +1,15 @@
+package com.bnyro.wallpaper.api.na.obj
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class NasaImage(
+    val url: String? = null,
+    val title: String,
+    val explanation: String,
+    val copyright: String? = null,
+    val date: String,
+    @SerialName("hdurl") val hdUrl: String? = null,
+    @SerialName("media_type") val mediaType: String,
+)