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package at.hannibal2.skyhanni.repo
import at.hannibal2.skyhanni.SkyHanniMod
import at.hannibal2.skyhanni.events.RepositoryReloadEvent
import at.hannibal2.skyhanni.utils.LorenzUtils
import com.google.gson.Gson
import com.google.gson.GsonBuilder
import com.google.gson.JsonObject
import net.minecraft.client.Minecraft
import org.apache.commons.io.FileUtils
import java.io.*
import java.net.URL
import java.nio.charset.StandardCharsets
import java.util.concurrent.CompletableFuture
import java.util.concurrent.atomic.AtomicBoolean
class RepoManager(private val configLocation: File) {
val gson: Gson = GsonBuilder().setPrettyPrinting().create()
private var latestRepoCommit: String? = null
private val repoLocation: File = File(configLocation, "repo")
fun loadRepoInformation() {
atomicShouldManuallyReload.set(true)
if (SkyHanniMod.feature.apiData.repoAutoUpdate) {
fetchRepository().thenRun(this::reloadRepository)
} else {
reloadRepository()
}
}
private val atomicShouldManuallyReload = AtomicBoolean(false)//TODO FIX
fun updateRepo() {
atomicShouldManuallyReload.set(true)
fetchRepository(true).thenRun { this.reloadRepository("Repo updated successful :)") }
}
fun reloadLocalRepo() {
atomicShouldManuallyReload.set(true)
reloadRepository("Repo loaded from local files successful :)")
}
private fun fetchRepository(command: Boolean = false): CompletableFuture<Boolean> {
return CompletableFuture.supplyAsync {
try {
val currentCommitJSON: JsonObject? = getJsonFromFile(File(configLocation, "currentCommit.json"))
latestRepoCommit = null
try {
InputStreamReader(URL(getCommitApiUrl()).openStream())
.use { inReader ->
val commits: JsonObject = gson.fromJson(inReader, JsonObject::class.java)
latestRepoCommit = commits["sha"].asString
}
} catch (e: Exception) {
e.printStackTrace()
}
if (latestRepoCommit == null || latestRepoCommit!!.isEmpty()) return@supplyAsync false
if (File(configLocation, "repo").exists()) {
if (currentCommitJSON != null && currentCommitJSON["sha"].asString == latestRepoCommit) {
if (command) {
LorenzUtils.chat("§e[SkyHanni] §7The repo is already up to date!")
atomicShouldManuallyReload.set(false)
}
return@supplyAsync false
}
}
RepoUtils.recursiveDelete(repoLocation)
repoLocation.mkdirs()
val itemsZip = File(repoLocation, "sh-repo-main.zip")
try {
itemsZip.createNewFile()
} catch (e: IOException) {
return@supplyAsync false
}
val url = URL(getDownloadUrl(latestRepoCommit))
val urlConnection = url.openConnection()
urlConnection.connectTimeout = 15000
urlConnection.readTimeout = 30000
try {
urlConnection.getInputStream().use { `is` ->
FileUtils.copyInputStreamToFile(
`is`,
itemsZip
)
}
} catch (e: IOException) {
e.printStackTrace()
System.err.println("Failed to download SkyHanni Repo! Please report this issue to the mod creator")
if (command) {
LorenzUtils.error("An error occurred while trying to reload the repo! See logs for more info.")
}
return@supplyAsync false
}
RepoUtils.unzipIgnoreFirstFolder(
itemsZip.absolutePath,
repoLocation.absolutePath
)
if (currentCommitJSON == null || currentCommitJSON["sha"].asString != latestRepoCommit) {
val newCurrentCommitJSON = JsonObject()
newCurrentCommitJSON.addProperty("sha", latestRepoCommit)
try {
writeJson(newCurrentCommitJSON, File(configLocation, "currentCommit.json"))
} catch (ignored: IOException) {
}
}
} catch (e: Exception) {
e.printStackTrace()
}
true
}
}
private fun reloadRepository(answerMessage: String = ""): CompletableFuture<Void?> {
val comp = CompletableFuture<Void?>()
if (!atomicShouldManuallyReload.get()) return comp
Minecraft.getMinecraft().addScheduledTask {
try {
RepositoryReloadEvent(repoLocation, gson).postAndCatch()
comp.complete(null)
if (answerMessage.isNotEmpty()) {
LorenzUtils.chat("§e[SkyHanni] §a$answerMessage")
}
} catch (e: java.lang.Exception) {
comp.completeExceptionally(e)
LorenzUtils.error("An error occurred while trying to reload the repo! See logs for more info.")
}
}
return comp
}
/**
* Parses a file in to a JsonObject.
*/
private fun getJsonFromFile(file: File?): JsonObject? {
try {
BufferedReader(
InputStreamReader(
FileInputStream(file),
StandardCharsets.UTF_8
)
).use { reader ->
return gson.fromJson(reader, JsonObject::class.java)
}
} catch (e: java.lang.Exception) {
return null
}
}
private fun getCommitApiUrl(): String {
val repoUser = "hannibal00212"
val repoName = "SkyHanni-REPO"
val repoBranch = "main"
return String.format("https://api.github.com/repos/%s/%s/commits/%s", repoUser, repoName, repoBranch)
}
private fun getDownloadUrl(commitId: String?): String {
val repoUser = "hannibal00212"
val repoName = "SkyHanni-REPO"
return String.format("https://github.com/%s/%s/archive/%s.zip", repoUser, repoName, commitId)
}
@Throws(IOException::class)
fun writeJson(json: JsonObject?, file: File) {
file.createNewFile()
BufferedWriter(
OutputStreamWriter(
FileOutputStream(file),
StandardCharsets.UTF_8
)
).use { writer -> writer.write(gson.toJson(json)) }
}
}
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