generated from me/template-mit
60 lines
1.6 KiB
Kotlin
60 lines
1.6 KiB
Kotlin
package com.hyperling.weather
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import java.io.File
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/**
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* JVM Implementation of StorageBackend for Desktop use.
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*/
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class JvmStorageBackendImpl : StorageBackend {
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private val STORAGE_DIR = File(System.getProperty("user.home"), ".nomadic-weather")
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private val STORAGE_FILE = File(STORAGE_DIR, "locations.json")
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init {
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STORAGE_DIR.mkdirs()
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}
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override fun load(): List<LocationEntry> {
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return try {
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if (STORAGE_FILE.exists()) LocationSerializer.jsonToLocations(STORAGE_FILE.readText()) else emptyList()
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} catch (e: Exception) {
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emptyList()
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}
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}
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override fun save(locations: List<LocationEntry>) {
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try {
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STORAGE_DIR.mkdirs()
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STORAGE_FILE.writeText(LocationSerializer.locationsToJson(locations))
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} catch (e: Exception) {}
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}
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override fun saveOne(location: LocationEntry) {
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val ex = load().toMutableList()
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val idx = ex.indexOfFirst { it == location }
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if (idx >= 0) ex[idx] = location
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else {
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if (ex.size >= 8) ex.removeAt(0)
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ex.add(location)
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}
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save(ex)
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}
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override fun delete(id: Long) {
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save(load().filter { it.id != id })
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}
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}
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/**
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* JVM-specific platform initialization.
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*/
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class JvmPlatformInit : PlatformInit {
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override fun initialize() {
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val dir = File(System.getProperty("user.home"), ".nomadic-weather")
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if (!dir.exists()) dir.mkdirs()
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println("Nomadic Weather Desktop Initialized")
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}
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}
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actual fun getPlatformStorage(): StorageBackend = JvmStorageBackendImpl()
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actual fun getPlatformInit(): PlatformInit = JvmPlatformInit()
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