fixed issues with journals (#86)

* fixed issues

* changed printing

include/Routes/Journals.hpp

@@ -38,9 +38,13 @@ class Journals : public Route {
                     auto meta = entry["meta"].get<string>();
                     auto rating = entry["rating"].get<string>();
                     // run sentiment analysis on answer
-                    auto result = split_string(run_cmd(format("python ./lib/datasets/sentiment_analysis.py \"{}\" \"{}\"", meta, question))["stdout"], "\n");
-                    auto meta_value = result[0];
-                    auto question_value = result[1];
+                    auto analysis = run_cmd(format("python ./lib/datasets/sentiment_analysis.py \"{}\" \"{}\"", meta, question));
+                    auto sa_stdout = split_string(analysis["stdout"], "\n");
+                    if (sa_stdout.size() < 2) {
+                        continue;
+                    }
+                    auto meta_value = sa_stdout[0];
+                    auto question_value = sa_stdout[1];
                     auto final_value = mean({stod(question_value), stod(meta_value)});
                     db["answers"].add({
                         {"value", to_string(final_value)},

include/Utils.hpp

@@ -12,6 +12,7 @@
 #include <memory>
 #include <string>
 #include <cctype>
+#include <sstream>
 
 using namespace std;
 
@@ -173,14 +174,17 @@ map<string, string> run_cmd(string command) {
         auto final_command = format("bash -c '{} 2> {} 1> {}'", command, stderr_path, stdout_path);
         auto error_code = system(final_command.c_str());
         ifstream stdout_file{stdout_path};
-        ifstream stderr_file{stdout_path};
-        stdout_file >> result["stdout"];
-        stderr_file >> result["stderr"];
-        if (error_code) {
-            cout << "command: " << final_command << endl;
-            cout << "stdout:  " << result["stdout"] << endl;
-            cout << "stderr:  " << result["stderr"] << endl;
-        }
+        ifstream stderr_file{stderr_path};
+        stringstream out_stream;
+        stringstream err_stream;
+        out_stream << stdout_file.rdbuf();
+        err_stream << stderr_file.rdbuf();
+        result["stdout"] = out_stream.str();
+        result["stderr"] = err_stream.str();
+
+        cout << "stdout: " << result["stdout"] << endl;
+        cout << "stderr: " << result["stderr"] << endl;
+
         return result;
     }
     catch (exception& e) {