Some more fixes

app/src/main/java/telegra/ph/Api.kt

@@ -10,14 +10,15 @@ class Api {
 
 	fun getPage(id: String?, callback: (page: Page?) -> Unit) {
 		Bridge.get("${ApiBase}getPage/$id?return_content=true").asJsonObject { response, jsonObject, bridgeException ->
-			callback(jsonObject?.parsePage())
+			if (jsonObject != null) callback(jsonObject.parsePage())
+			else callback(null)
 		}
 	}
 
 	private fun JSONObject.parsePage(): Page? {
 		val result: Page = Page()
 		if (optBoolean("ok", false)) {
-			optJSONObject("result").let {
+			optJSONObject("result")?.let {
 				result.path = it.optString("path", "")
 				result.url = it.optString("url", "")
 				result.title = it.optString("title", "")
@@ -34,22 +35,30 @@ class Api {
 	}
 
 	private fun JSONArray.parseContent(result: Page) {
-		for (child in this) {
-			if (child is String) result.content += child
-			if (child is JSONObject) {
-				result.content += "<${child.optString("tag", "")}"
-				child.optJSONObject("attrs")?.let {
-					for (key in it.keys()) {
-						result.content += " $key=\"${it.optString(key, "")}\""
-					}
-					for (i in 0 until length()) {
-						result.content += "${it.names()}"
+		try {
+			for (child in this) {
+				try {
+					if (child is String) result.content += child
+					else if (child is JSONObject) {
+						result.content += "<${child.optString("tag", "")}"
+						child.optJSONObject("attrs")?.let {
+							for (key in it.keys()) {
+								result.content += " $key=\"${it.optString(key, "")}\""
+							}
+							for (i in 0 until length()) {
+								result.content += "${it.names()}"
+							}
+						}
+						result.content += ">"
+						child.optJSONArray("children").parseContent(result)
+						result.content += "</${child.optString("tag", "")}>"
 					}
+				} catch (e: Exception) {
+					e.printStackTrace()
 				}
-				result.content += ">"
-				child.optJSONArray("children").parseContent(result)
-				result.content += "</${child.optString("tag", "")}>"
 			}
+		} catch (e: Exception) {
+			e.printStackTrace()
 		}
 	}
 

app/src/main/java/telegra/ph/Extensions.kt

@@ -2,4 +2,4 @@ package telegra.ph
 
 import org.json.JSONArray
 
-operator fun JSONArray.iterator(): Iterator<Any> = (0 until length()).asSequence().map { opt(it) }.iterator()
+operator fun JSONArray.iterator(): Iterator<Any> = (0..length() - 1).map { opt(it) }.iterator()

app/src/main/java/telegra/ph/MainActivity.kt

@@ -30,7 +30,10 @@ class MainActivity : AppCompatActivity(), AdvancedWebView.Listener {
 		if (intent.action == Intent.ACTION_VIEW && !intent.dataString.isNullOrBlank() && intent.dataString.contains("telegra.ph")) {
 			Api().getPage(intent.dataString.split("/").last()) { page ->
 				page?.let {
-					val html = "<h1>${it.title}</h1>${it.content}"
+					var html = "<h1>${it.title}</h1>"
+					if (!it.author_name.isNullOrEmpty() && !it.author_url.isNullOrBlank()) html += "<a href=\"${it.author_url}\">${it.author_name}</a><br>"
+					else if (!it.author_name.isNullOrEmpty()) html += "${it.author_name}<br>"
+					html += it.content
 					webView?.loadDataWithBaseURL(it.url, html, "text/html; charset=UTF-8", null, null)
 				}
 			}