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Add command to add new recipes/ingredients/tags to the database.

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Nicolás A. Ortega Froysa 2024-09-24 18:15:37 +02:00
parent cf1a40c2fe
commit 9c04960725
7 changed files with 323 additions and 8 deletions
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6
Makefile
View File

@ -19,9 +19,9 @@ DEBUG=0
INCFLAGS=
LDFLAGS=-lsqlite3
DEFS=
CFLAGS=$(INCFLAGS) -std=c99 -Wall -Wextra -Wfatal-errors -Werror
HDRS=src/arg_parse.h src/util.h src/db.h
OBJS=src/main.o src/arg_parse.o src/db.o
CFLAGS=$(INCFLAGS) -std=gnu99 -Wall -Wextra -Wfatal-errors -Werror
HDRS=src/arg_parse.h src/util.h src/db.h src/cmd.h
OBJS=src/main.o src/arg_parse.o src/db.o src/cmd.o
VERSION=1.0
ifeq ($(PREFIX),)

3
src/arg_parse.h
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@ -21,6 +21,7 @@
enum cmd_id {
CMD_UNKNOWN = 0,
CMD_ADD,
CMD_HELP,
CMD_VERSION,
};
@ -31,6 +32,7 @@ struct cmd {
};
static const struct cmd commands[] = {
{ CMD_ADD, {"add", "new"} },
{ CMD_HELP, {"help", "-h", "--help"} },
{ CMD_VERSION, {"version", "-v", "--version"} },
};
@ -48,6 +50,7 @@ static inline void print_help(void) {
print_usage();
printf("COMMANDS:\n"
"\tadd, new Add a new recipe to the database\n"
"\thelp, -h, --help Show this help information.\n"
"\tversion, -v, --version Show version information.\n"
"\n");

100
src/cmd.c Normal file
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@ -0,0 +1,100 @@
/*
* 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.h"
#include "db.h"
#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;
}

20
src/cmd.h Normal file
View File

@ -0,0 +1,20 @@
/*
* 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/>.
*/
#pragma once
int command_add(void);

155
src/db.c
View File

@ -25,7 +25,7 @@
#include <stdio.h>
static sqlite3 *db = NULL;
static const int db_version = 1;
static const int db_version = 1;
int db_open(void) {
const char *xdg_data_home;
@ -42,14 +42,16 @@ int db_open(void) {
strcpy(db_path, xdg_data_home);
strcat(db_path, "/menu-helper");
if(access(db_path, F_OK) != 0) {
printf("Creating database: %s\n", db_path);
if(access(db_path, F_OK) != 0)
mkdir(db_path, 0700);
new_db = 1;
}
strcat(db_path, "/recipes.db");
if(access(db_path, F_OK) != 0) {
printf("Creating database: %s\n", db_path);
new_db = 1;
}
rc = sqlite3_open(db_path, &db);
free(db_path);
@ -74,3 +76,146 @@ void db_close(void) {
sqlite3_close(db);
}
int query_id_cb(void *recipe_id_var, int col_num, char **col_data, char **col_name) {
int *recipe_id_ptr = (int*)recipe_id_var;
int ret = 1;
for(int i = 0; i < col_num; ++i) {
if(strcmp(col_name[i], "id") == 0) {
*recipe_id_ptr = atoi(col_data[i]);
ret = 0;
break;
}
}
return ret;
}
int table_get_id_by_name(const char *table, const char *name) {
const char *sel_query_fmt = "SELECT id FROM %s WHERE lower(name)=lower('%s');";
char *sel_query;
int id = 0;
sel_query = malloc(strlen(table) + strlen(name) + strlen(sel_query_fmt) + 1);
sprintf(sel_query, sel_query_fmt, table, name);
if(sqlite3_exec(db, sel_query, query_id_cb, &id, NULL) != SQLITE_OK) {
free(sel_query);
return -2;
}
free(sel_query);
return id;
}
int db_add_recipe(const char *name, const char *description) {
const char *add_query_fmt = "INSERT INTO recipes(name,description) VALUES('%s','%s');";
char *add_query;
if(!db)
return -1;
add_query = malloc(strlen(name) + strlen(description) + strlen(add_query_fmt) + 1);
sprintf(add_query, add_query_fmt, name, description);
if(sqlite3_exec(db, add_query, NULL, NULL, NULL) != SQLITE_OK) {
free(add_query);
return -2;
}
free(add_query);
return db_get_recipe_id(name);
}
int db_get_recipe_id(const char *name) {
if(!db)
return -1;
return table_get_id_by_name("recipes", name);
}
int db_add_ingredient(const char *name) {
const char *add_query_fmt = "INSERT INTO ingredients(name) VALUES(lower('%s'));";
char *add_query;
if(!db)
return -1;
add_query = malloc(strlen(name) + strlen(add_query_fmt) + 1);
sprintf(add_query, add_query_fmt, name);
if(sqlite3_exec(db, add_query, NULL, NULL, NULL) != SQLITE_OK) {
free(add_query);
return -2;
}
free(add_query);
return db_get_ingredient_id(name);
}
int db_get_ingredient_id(const char *name) {
if(!db)
return -1;
return table_get_id_by_name("ingredients", name);
}
int db_add_tag(const char *name) {
const char *add_query_fmt = "INSERT INTO tags(name) VALUES('%s');";
char *add_query;
if(!db)
return -1;
add_query = malloc(strlen(name) + strlen(add_query_fmt) + 1);
sprintf(add_query, add_query_fmt, name);
if(sqlite3_exec(db, add_query, NULL, NULL, NULL) != SQLITE_OK) {
free(add_query);
return -2;
}
free(add_query);
return db_get_tag_id(name);
}
int db_get_tag_id(const char *name) {
if(!db)
return -1;
return table_get_id_by_name("tags", name);
}
int db_conn_recipe_ingredient(int recipe_id, int ingredient_id) {
const char *add_conn_fmt = "INSERT INTO recipe_ingredient(recipe_id, ingredient_id) VALUES(%d,%d);";
char *add_conn_query;
if(!db)
return -1;
add_conn_query = malloc(strlen(add_conn_fmt) + (recipe_id % 10) + (ingredient_id % 10));
sprintf(add_conn_query, add_conn_fmt, recipe_id, ingredient_id);
if(sqlite3_exec(db, add_conn_query, NULL, NULL, NULL) != SQLITE_OK) {
free(add_conn_query);
return -2;
}
free(add_conn_query);
return 1;
}
int db_conn_recipe_tag(int recipe_id, int tag_id) {
const char *add_conn_fmt = "INSERT INTO recipe_tag(recipe_id, tag_id) VALUES(%d,%d);";
char *add_conn_query;
if(!db)
return -1;
add_conn_query = malloc(strlen(add_conn_fmt) + (recipe_id % 10) + (tag_id % 10));
sprintf(add_conn_query, add_conn_fmt, recipe_id, tag_id);
if(sqlite3_exec(db, add_conn_query, NULL, NULL, NULL) != SQLITE_OK) {
free(add_conn_query);
return -2;
}
free(add_conn_query);
return 1;
}

43
src/db.h
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@ -19,3 +19,46 @@
int db_open(void);
void db_close(void);
/**
* @brief Add a new recipe to the database.
*
* @param name Name of the new recipe.
* @param description Short description.
*
* @return ID of newly created recipe, -1 if DB isn't open, -2 on other failure.
*/
int db_add_recipe(const char *name, const char *description);
int db_get_recipe_id(const char *name);
static inline int db_recipe_exists(const char *name) {
return (db_get_recipe_id(name) > 0);
}
/**
* @brief Add a new ingredient to the database.
*
* @param name Name of the new ingredient.
*
* @return ID of newly created ingredient, -1 if DB isn't open, -2 on other failure.
*/
int db_add_ingredient(const char *name);
int db_get_ingredient_id(const char *name);
static inline int db_ingredient_exists(const char *name) {
return (db_get_ingredient_id(name) > 0);
}
/**
* @brief Add a new tag to the database.
*
* @param name Name of the new tag.
*
* @return ID of newly created tag, -1 if DB isn't open, -2 on other failure.
*/
int db_add_tag(const char *name);
int db_get_tag_id(const char *name);
static inline int db_tag_exists(const char *name) {
return (db_get_tag_id(name) > 0);
}
int db_conn_recipe_ingredient(int recipe_id, int ingredient_id);
int db_conn_recipe_tag(int recipe_id, int tag_id);

4
src/main.c
View File

@ -19,6 +19,7 @@
#include <stdio.h>
#include "arg_parse.h"
#include "cmd.h"
int main(int argc, char *argv[]) {
enum cmd_id id;
@ -32,6 +33,9 @@ int main(int argc, char *argv[]) {
id = parse_args(argv[1]);
switch(id) {
case CMD_ADD:
command_add();
break;
case CMD_HELP:
print_help();
break;