RecipeDB.pro

@@ -24,7 +24,8 @@ SOURCES += model/recipe/instruction.cpp \
     model/recipe/tags/recipetag.cpp \
     SQLite/sqlite3.c \
     model/database/resulttable.cpp \
-    model/database/recipedatabase.cpp
+    model/database/recipedatabase.cpp \
+    utils/fileutils.cpp
 
 HEADERS  += model/recipe/instruction.h \
     model/recipe/recipe.h \
@@ -39,8 +40,7 @@ HEADERS  += model/recipe/instruction.h \
     SQLite/sqlite3ext.h \
     model/database/resulttable.h \
     model/database/recipedatabase.h \
-    utils/fileutils.h \
+    utils/fileutils.h
-    utils/stringutils.h
 
 LIBS += -ldl \
 

main.cpp

@@ -3,7 +3,6 @@
 
 #include "model/database/database.h"
 #include "model/database/recipedatabase.h"
-#include "utils/fileutils.h"
 
 int main(int argc, char *argv[])
 {
@@ -14,12 +13,12 @@ int main(int argc, char *argv[])
 	//TESTING CODE
 
 	RecipeDatabase recipeDB("recipes");
-	recipeDB.storeIngredient(Ingredient("Apple", "Fruit"));
+//	recipeDB.storeIngredient(Ingredient("Apple", "Fruit"));
-	recipeDB.storeIngredient(Ingredient("Corn", "Vegetable"));
+//	recipeDB.storeIngredient(Ingredient("Corn", "Vegetable"));
-	recipeDB.storeIngredient(Ingredient("Lettuce", "Vegetable"));
+//	recipeDB.storeIngredient(Ingredient("Lettuce", "Vegetable"));
-	recipeDB.storeIngredient(Ingredient("Carrot", "Vegetable"));
+//	recipeDB.storeIngredient(Ingredient("Carrot", "Vegetable"));
 
-	recipeDB.executeSQL("SELECT * FROM ingredient;").printData();
+//	recipeDB.executeSQL("SELECT * FROM ingredient;").printData();
 
 	//TESTING CODE
 	vector<RecipeIngredient> ri;
@@ -28,6 +27,11 @@ int main(int argc, char *argv[])
 
 	Recipe rec("Example", ri, Instruction("<b>BOLD</b><i>iTaLiCs</i>"), QImage(), vector<RecipeTag>(), QDate::currentDate(), QTime(0, 30), QTime(0, 25), 10.0f);
 
+	bool success = recipeDB.storeRecipe(rec);
+	printf("Storage successful: %d\n", success);
+
+	recipeDB.executeSQL("SELECT * FROM recipeIngredient;").printData();
+
 	w.loadFromRecipe(rec);
 
 	return a.exec();

model/database/database.cpp

@@ -34,7 +34,6 @@ bool Database::insertInto(string tableName, vector<string> columnNames, vector<s
 	string cols = combineVector(columnNames, ", ");
 	string vals = combineVector(values, ", ");
 	query += cols + ") VALUES (" + vals + ");";
-	printf("Executing query: %s\n", query.c_str());
 	this->executeSQL(query);
 	return true;
 }

model/database/recipedatabase.cpp

@@ -4,11 +4,12 @@ RecipeDatabase::RecipeDatabase(string filename) : Database(filename){
 	this->ensureTablesExist();
 }
 
-void RecipeDatabase::storeRecipe(Recipe recipe){
+bool RecipeDatabase::storeRecipe(Recipe recipe){
 	///TODO: Implement this in a smart way using transaction.
 	ResultTable t = this->executeSQL("SELECT * FROM recipe WHERE name='"+recipe.getName()+"';");
 	if (!t.isEmpty()){
 		fprintf(stderr, "Error storing recipe: Recipe with name %s already exists.\n", recipe.getName().c_str());
+		return false;
 	} else {
 		bool success = this->insertInto("recipe",
 						 vector<string>({
@@ -27,24 +28,70 @@ void RecipeDatabase::storeRecipe(Recipe recipe){
 										}));
 		if (success){
 			//If successful, proceed to insert instructions, image, and ingredients.
-
+			int recipeId = this->getLastInsertedRowId();
+			for (unsigned int i = 0; i < recipe.getIngredients().size(); i++){
+				if (!this->storeRecipeIngredient(recipe.getIngredients()[i], recipeId)){
+					return false;
+				}
+			}
+			if (!this->storeInstruction(recipe.getInstruction(), recipeId)){
+				return false;
+			}
+			if (!this->storeImage(recipe.getImage(), recipeId)){
+				return false;
+			}
+			return true;
+		} else {
+			return false;
 		}
 	}
 }
 
-void RecipeDatabase::storeRecipeIngredient(RecipeIngredient ri){
+bool RecipeDatabase::storeRecipeIngredient(RecipeIngredient ri, int recipeId){
-
+	//First check if the base ingredient has been added to the database. This is done within storeIngredient().
+	ResultTable t = this->executeSQL("SELECT ingredientId FROM ingredient WHERE name='"+ri.getName()+"';");
+	int ingId = 0;
+	if (t.isEmpty()){
+		if (!this->insertInto("ingredient", vector<string>({"foodGroup", "name"}), vector<string>({ri.getFoodGroup(), ri.getName()}))){
+			return false;
+		}
+		ingId = this->getLastInsertedRowId();
+	} else {
+		ingId = std::stoi(t.valueAt(0, 0));
+	}
+	return this->insertInto("recipeIngredient",
+					 vector<string>({
+										"ingredientId",
+										"recipeId",
+										"quantity",
+										"unitName",
+										"comment"
+									}),
+					 vector<string>({
+										std::to_string(ingId),
+										std::to_string(recipeId),
+										std::to_string(ri.getQuantity()),
+										ri.getUnit().getName(),
+										ri.getComment()
+									}));
 }
 
 void RecipeDatabase::storeIngredient(Ingredient ingredient){
 	ResultTable t = this->executeSQL("SELECT * FROM ingredient WHERE name='"+ingredient.getName()+"';");
-	if (!t.isEmpty()){
+	if (t.isEmpty()){
-		fprintf(stderr, "Error during storeIngredient: ingredient with name %s already exists.\n", ingredient.getName().c_str());
-	} else {
 		this->insertInto("ingredient", vector<string>({"foodGroup", "name"}), vector<string>({ingredient.getFoodGroup(), ingredient.getName()}));
 	}
 }
 
+bool RecipeDatabase::storeInstruction(Instruction instruction, int recipeId){
+	bool success = FileUtils::saveInstruction(recipeId, instruction);
+	return success;
+}
+
+bool RecipeDatabase::storeImage(QImage image, int recipeId){
+	return FileUtils::saveImage(recipeId, image);
+}
+
 void RecipeDatabase::ensureTablesExist(){
 	//Make sure that foreign keys are enabled.
 	this->executeSQL("PRAGMA foreign_keys = ON;");
@@ -69,7 +116,7 @@ void RecipeDatabase::ensureTablesExist(){
 	//RecipeIngredient table.
 	this->executeSQL("CREATE TABLE IF NOT EXISTS recipeIngredient("
 					 "ingredientId int,"
-					 "recipeId INTEGER PRIMARY KEY,"
+					 "recipeId int,"
 					 "quantity real,"
 					 "unitName varchar,"
 					 "comment varchar,"

model/database/recipedatabase.h

@@ -5,6 +5,7 @@
 
 #include "database.h"
 #include "model/recipe/recipe.h"
+#include "utils/fileutils.h"
 
 using namespace std;
 
@@ -18,11 +19,13 @@ class RecipeDatabase : public Database
 		RecipeDatabase(string filename);
 
 		//Stores a full recipe in the database.
-		void storeRecipe(Recipe recipe);
+		bool storeRecipe(Recipe recipe);
 
 		//SQL Helper methods.
-		void storeRecipeIngredient(RecipeIngredient ri);
+		bool storeRecipeIngredient(RecipeIngredient ri, int recipeId);
 		void storeIngredient(Ingredient ingredient);
+		bool storeInstruction(Instruction instruction, int recipeId);
+		bool storeImage(QImage image, int recipeId);
 	private:
 
 		//Utility methods.

utils/fileutils.cpp

@@ -0,0 +1,64 @@
+#include "fileutils.h"
+
+namespace FileUtils{
+
+void ensureAppDataFolderExists(){
+	QDir folder(appDataPath);
+	if (!folder.exists()){
+		folder.mkpath(".");
+	}
+}
+
+bool 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();
+		return true;
+	} else {
+		fprintf(stderr, "Error opening file: %s to write instruction.\n", filename.toStdString().c_str());
+		return false;
+	}
+}
+
+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();
+	}
+}
+
+bool saveImage(int nr, QImage image){
+	QString filename = appDataPath + QString::fromStdString(std::to_string(nr)) + ".png";
+	QFile file(filename);
+	if (file.open(QIODevice::WriteOnly)){
+		image.save(&file, "PNG");
+		file.close();
+		return true;
+	} else {
+		fprintf(stderr, "Error saving image to file: %s\n", filename.toStdString().c_str());
+		return false;
+	}
+}
+
+QImage loadImage(int nr){
+	QString filename = appDataPath + QString::fromStdString(std::to_string(nr)) + ".png";
+	QImage img(filename);
+	return img;
+}
+
+}

utils/fileutils.h

@@ -5,53 +5,23 @@
 #include <QFile>
 #include <QDir>
 #include <QTextStream>
+#include <QImage>
 
 #include "model/recipe/instruction.h"
 
-namespace FileUtils {
+namespace FileUtils{
 
-	QString appDataPath = QStandardPaths::writableLocation(QStandardPaths::HomeLocation)+"/.recipeDB/";
+	const QString appDataPath = QStandardPaths::writableLocation(QStandardPaths::HomeLocation)+"/.recipeDB/";
 
-	void ensureAppDataFolderExists(){
+	void ensureAppDataFolderExists();
-		QDir folder(appDataPath);
-		if (!folder.exists()){
-			folder.mkpath(".");
-		}
-	}
 
-	string saveInstruction(int nr, Instruction instruction){
+	bool 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();
-			return filename.toStdString();
-		} else {
-			fprintf(stderr, "Error opening file: %s to write instruction.\n", filename.toStdString().c_str());
-			return "";
-		}
-	}
 
-	Instruction loadInstruction(int nr){
+	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();
-		}
-	}
 
+	bool saveImage(int nr, QImage image);
+
+	QImage loadImage(int nr);
 }
 
 #endif // FILEUTILS_H

utils/stringutils.h

@@ -1,13 +0,0 @@
-#ifndef STRINGUTILS_H
-#define STRINGUTILS_H
-
-#include <string>
-#include <vector>
-
-namespace StringUtils{
-
-
-
-}
-
-#endif // STRINGUTILS_H