From 75a86a9df557352ed2e1c930b02c9f4e418097e7 Mon Sep 17 00:00:00 2001
From: tastytea <tastytea@tastytea.de>
Date: Tue, 23 Jan 2018 20:40:14 +0100
Subject: [PATCH] error checking

---
 CMakeLists.txt  |  2 +-
 README.md       |  1 +
 src/soupbot.cpp | 17 +++++++++++++----
 3 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d5e9e60..70ec374 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required (VERSION 3.7)
 include(GNUInstallDirs)
 
 project (soupbot
-         VERSION 0.2.2
+         VERSION 0.2.3
          LANGUAGES CXX
 )
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14 -Wall")
diff --git a/README.md b/README.md
index 323a732..9bf457d 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,7 @@ You will need a pre-generated authentication code.
 |        16 | Connection failed             |
 |        17 | TLS error                     |
 |        18 | Invalid response from server  |
+|        32 | File not readable             |
 | 100 - 999 | HTTP status codes             |
 |     65535 | Unknown exception             |
 
diff --git a/src/soupbot.cpp b/src/soupbot.cpp
index 7cd177e..3348035 100644
--- a/src/soupbot.cpp
+++ b/src/soupbot.cpp
@@ -100,17 +100,26 @@ int main(int argc, char *argv[])
     pt::ptree config;
     string instance = "";
     string access_token = "";
-
-    read_config(config, instance, access_token);
-
     pt::ptree ingredients;
-    pt::read_json(filepath + "ingredients.json", ingredients);
     std::vector<string> vegetables;
     std::vector<string> spices;
     std::vector<string> fruits;
     std::vector<string> misc;
     std::vector<string> highprio;
 
+    read_config(config, instance, access_token);
+
+    try
+    {
+        pt::read_json(filepath + "ingredients.json", ingredients);
+    }
+    catch (std::exception &e)
+    {
+        // most likely file not found
+        std::cerr << "ERROR: " << filepath << "ingredients.json not found or not readable.\n";
+        return 32;
+    }
+
     populate_vector(ingredients, "vegetables", vegetables);
     populate_vector(ingredients, "spices", spices);
     populate_vector(ingredients, "fruits", fruits);