intial commit

Makefile

@@ -0,0 +1,2 @@
+all:
+	g++ main.cpp csv.cpp

books.csv

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+isbn,title,authors,year of publication,page length
+"0262033844","Introduction to Algorithms","Thomas H. Cormen, Charles E. Leiserson, Ronald L. Rivest, Clifford Stein",1990,1292

csv.cpp

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+#include "csv.h"
+
+std::string strip_quotes(std::string input)
+{
+	if (input[0] != '"')
+		return input;
+	return input.substr(1, input.size() - 1);
+		
+}
+
+int get_next_comma(std::string input)
+{
+	int i;
+	bool in_string = false;
+	for (i = 0; i < input.size(); i++) {
+		if (input[i] == '"')
+			in_string = !in_string;
+		if (input[i] == ',' && !in_string)
+			return i;
+	}
+	return -1;
+}
+
+std::vector<std::string> get_csv_as_vector(std::string input)
+{
+	std::vector<std::string> output;
+	int next_comma;
+
+	while ((next_comma = get_next_comma(input)) != -1) {
+		output.push_back(input.substr(0, next_comma));
+		input = strip_quotes(input.substr(next_comma + 1, input.size()));
+	}
+
+	return output;
+}

csv.h

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+#ifndef CSV_H
+#define CSV_H
+
+#include <string>
+#include <vector>
+
+std::string strip_quotes(std::string input);
+
+int get_next_comma(std::string input);
+
+std::vector<std::string> get_csv_as_vector(std::string input);
+
+
+
+#endif

main.cpp

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+#include <crow.h>
+#include <crow/app.h>
+
+#include <fstream>
+
+#include "csv.h"
+
+#define BOOK_FILENAME "books.csv"
+typedef struct book_t  {
+	std::string isbn;
+	std::string title;
+	std::string authors;
+	int year_of_publication;
+	int page_len;
+} book_t;
+
+std::string book_json_output(std)
+
+std::string get_all_books()
+{
+	std::ifstream file;
+	int file_exists;
+	std::string line, total_lines;
+	book_t book;
+
+	file.open(BOOK_FILENAME);
+
+	if (!file.good()) {
+		fprintf(stderr, "Theres no books available!\n"); 
+		return "No books saved!";
+	}
+
+	std::getline(file, line); // theres probably a better way to skip the first line
+	
+	std::vector<std::string> book_vec;
+
+	while (std::getline(file, line)) {
+		book_vec = get_csv_as_vector(line);
+		total_lines += print_vec(book_vec);
+	}
+
+	return total_lines;
+}
+
+std::string print_hello()
+{
+	return "Hello, world!";
+}
+
+int main()
+{
+	crow::SimpleApp app;
+
+	CROW_ROUTE(app, "/")([](){
+		return crow::response(print_hello());
+	});
+
+	CROW_ROUTE(app, "/books")([](){
+		return crow::response(get_all_books());
+	});
+
+	app.port(18080).run();
+
+}