From cfd4179664855819d0845b1364ab86aaf86c71e5 Mon Sep 17 00:00:00 2001
From: andrewlalis <andrewlalisofficial@gmail.com>
Date: Fri, 2 Mar 2018 10:11:26 +0100
Subject: [PATCH] Created load and save instruction methods in file utils.

---
 RecipeDB.pro        |  3 +--
 main.cpp            |  5 +++-
 utils/fileutils.cpp |  5 ----
 utils/fileutils.h   | 56 ++++++++++++++++++++++++++++++++++++++++-----
 4 files changed, 55 insertions(+), 14 deletions(-)
 delete mode 100644 utils/fileutils.cpp

diff --git a/RecipeDB.pro b/RecipeDB.pro
index 2c957a5..61f3bf6 100644
--- a/RecipeDB.pro
+++ b/RecipeDB.pro
@@ -24,8 +24,7 @@ SOURCES += model/recipe/instruction.cpp \
     model/recipe/tags/recipetag.cpp \
     SQLite/sqlite3.c \
     model/database/resulttable.cpp \
-    model/database/recipedatabase.cpp \
-    utils/fileutils.cpp
+    model/database/recipedatabase.cpp
 
 HEADERS  += model/recipe/instruction.h \
     model/recipe/recipe.h \
diff --git a/main.cpp b/main.cpp
index 085d24a..f83a2c0 100644
--- a/main.cpp
+++ b/main.cpp
@@ -3,6 +3,7 @@
 
 #include "model/database/database.h"
 #include "model/database/recipedatabase.h"
+#include "utils/fileutils.h"
 
 int main(int argc, char *argv[])
 {
@@ -20,7 +21,9 @@ int main(int argc, char *argv[])
 	RecipeDatabase recipeDB("recipes");
 	recipeDB.storeIngredient(Ingredient("Apple", "Fruit"));
 	recipeDB.storeIngredient(Ingredient("Corn", "Vegetable"));
-	recipeDB.executeSQL("SELECT ingredientId FROM ingredient;").printData();
+	recipeDB.executeSQL("SELECT * FROM ingredient;").printData();
+
+	FileUtils::saveInstruction(1, Instruction("This is some plain text with no HTML markup."));
 
 	return a.exec();
 }
diff --git a/utils/fileutils.cpp b/utils/fileutils.cpp
deleted file mode 100644
index 0fa0670..0000000
--- a/utils/fileutils.cpp
+++ /dev/null
@@ -1,5 +0,0 @@
-#include "fileutils.h"
-
-fileUtils::fileUtils(){
-
-}
diff --git a/utils/fileutils.h b/utils/fileutils.h
index 76bdfc2..ed23f19 100644
--- a/utils/fileutils.h
+++ b/utils/fileutils.h
@@ -1,11 +1,55 @@
 #ifndef FILEUTILS_H
 #define FILEUTILS_H
 
+#include <QStandardPaths>
+#include <QFile>
+#include <QDir>
+#include <QTextStream>
 
-class fileUtils
-{
-	public:
-		fileUtils();
-};
+#include "model/recipe/instruction.h"
 
-#endif // FILEUTILS_H
\ No newline at end of file
+namespace FileUtils {
+
+	QString appDataPath = QStandardPaths::writableLocation(QStandardPaths::HomeLocation)+"/.recipeDB/";
+
+	void ensureAppDataFolderExists(){
+		QDir folder(appDataPath);
+		if (!folder.exists()){
+			folder.mkpath(".");
+		}
+	}
+
+	void saveInstruction(int nr, Instruction instruction){
+		ensureAppDataFolderExists();
+		QString filename = appDataPath + QString::fromStdString(std::to_string(nr)) +".html";
+		QFile file(filename);
+		if (file.open(QIODevice::WriteOnly)){
+			QTextStream stream(&file);
+			stream<<instruction.getHTML().c_str()<<endl;
+			file.close();
+		} else {
+			fprintf(stderr, "Error opening file: %s to write instruction.\n", filename.toStdString().c_str());
+		}
+	}
+
+	Instruction loadInstruction(int nr){
+		QString filename = appDataPath + QString::fromStdString(std::to_string(nr)) + ".html";
+		QFile file(filename);
+		if (!file.exists()){
+			fprintf(stderr, "Instruction Nr: %d does not exist.\n", nr);
+			return Instruction();
+		}
+		if (file.open(QIODevice::ReadOnly)){
+			QTextStream stream(&file);
+			QString s = stream.readAll();
+			file.close();
+			return Instruction(s.toStdString());
+		} else {
+			fprintf(stderr, "Error opening file: %s to read instruction.\n", filename.toStdString().c_str());
+			return Instruction();
+		}
+	}
+
+}
+
+#endif // FILEUTILS_H