Switch to using C++.

src/cmd.cpp

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+/*
+ * Copyright (C) 2024  Nicolás Ortega Froysa <nicolas@ortegas.org>
+ * Nicolás Ortega Froysa <nicolas@ortegas.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include "cmd.hpp"
+#include "db.hpp"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+int command_add(void) {
+	char *name = NULL, *description = NULL, *ingredients = NULL, *tags = NULL;
+	size_t name_len, description_len, ingredients_len, tags_len;
+	int recipe_id, ingredient_id, tag_id;
+
+	if(!db_open()) {
+		fprintf(stderr, "Failed to open database. Cannot add new entry.\n");
+		return 0;
+	}
+
+	printf("Name: ");
+	getline(&name, &name_len, stdin);
+	// eliminate trailing newline
+	name[strlen(name) - 1] = '\0';
+
+	printf("Description: ");
+	getline(&description, &description_len, stdin);
+	// eliminate trailing newline
+	description[strlen(description) - 1] = '\0';
+
+	printf("Ingredients (comma separated): ");
+	getline(&ingredients, &ingredients_len, stdin);
+	// eliminate trailing newline
+	ingredients[strlen(ingredients) - 1] = '\0';
+
+	printf("Tags (comma separated): ");
+	getline(&tags, &tags_len, stdin);
+	// eliminate trailing newline
+	tags[strlen(tags) - 1] = '\0';
+
+	if((recipe_id = db_get_recipe_id(name)) <= 0)
+		recipe_id = db_add_recipe(name, description);
+	free(name);
+	free(description);
+
+	for(char *i = strtok(ingredients, ","); i; i = strtok(NULL,",")) {
+		// remove leading blank spaces
+		while(isblank(i[0]))
+			i += sizeof(char);
+
+		// remove trailing blank spaces
+		size_t i_len = strlen(i);
+		while(isblank(i[i_len - 1])) {
+			i[i_len - 1] = '\0';
+			--i_len;
+		}
+
+		if((ingredient_id = db_get_ingredient_id(i)) <= 0)
+			ingredient_id = db_add_ingredient(i);
+		db_conn_recipe_ingredient(recipe_id, ingredient_id);
+	}
+	free(ingredients);
+
+	for(char *i = strtok(tags, ","); i; i = strtok(NULL, ",")) {
+		// remove leading blank spaces
+		while(isblank(i[0]))
+			i += sizeof(char);
+
+		// remove trailing blank spaces
+		size_t i_len = strlen(i);
+		while(isblank(i[i_len - 1])) {
+			i[i_len - 1] = '\0';
+			--i_len;
+		}
+
+		if((tag_id = db_get_tag_id(i)) <= 0)
+			tag_id = db_add_tag(i);
+		db_conn_recipe_tag(recipe_id, tag_id);
+	}
+	free(tags);
+
+	db_close();
+
+	return 1;
+}