From f8084b59d9f320c7181c856b9c070052dde4c623 Mon Sep 17 00:00:00 2001
From: Rick Companje <rick@companje.nl>
Date: Tue, 11 Jul 2017 12:33:28 +0200
Subject: [PATCH] added fetch and fetchHeader in ServerAPI

---
 js/api/ServerAPI.js | 50 ++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 47 insertions(+), 3 deletions(-)

diff --git a/js/api/ServerAPI.js b/js/api/ServerAPI.js
index 00ac9dd..1e0edcf 100644
--- a/js/api/ServerAPI.js
+++ b/js/api/ServerAPI.js
@@ -27,12 +27,56 @@ function ServerAPI() {
 				if (completeHandler) completeHandler(response);
 			}
 		}).fail(function(response) {
-			console.log("fail");
-			if (failedHandler) failedHandler();
+			if (failedHandler) failedHandler(response.responseJSON);
 		});
 	};
 
-	// '/fetch/'+uid.value+'/'+line.value;
+	this.fetch = function(uuid, chunk, completeHandler, failedHandler) {
+		console.log("ServerAPI:fetch",uuid,chunk);
 
+		if (!uuid) {
+			console.log("Server.fetch failed: no uuid");
+			if (failedHandler) failedHandler();
+			return;
+		}
+
+		if (!chunk) {
+			chunk = 0;
+		}
+
+		$.ajax({
+			url: _apiURL + "/fetch/" + uuid + "/" + chunk,
+			type: "GET",
+			dataType: 'text', //no json but text
+			timeout: _timeoutTime,
+			cache: false,
+			success: function(response) {
+				if (completeHandler) completeHandler(response);
+			}
+		}).fail(function(response) {
+			console.log("ServerAPI:fetch fail response:",response);
+			if (failedHandler) failedHandler(response.responseJSON);
+		});
+	};
+
+	this.fetchHeader = function(uuid,completeHandler,failedHandler) {
+		this.fetch(uuid,0,function(successData) {
+			console.log("_serverAPI fetchHeader");
+			if (successData) {
+				var items = successData.split("\n");
+				try {
+					var headerText = items[0].substr(1);
+					var headerJSON = JSON.parse(headerText);
+					// console.log("fetchHeader",headerJSON)
+					if (completeHandler) completeHandler(headerJSON);
+				} catch (e) {
+					console.log("fetchHeader failed to parse JSON",e);
+					if (failedHandler) failedHandler();						
+				}
+			}
+		}, function(failData) {
+			console.log("_serverAPI fetchHeader failed",failData);
+		});
+	};
 
 }