Add feature to edit name.

And documentation for editing the description.

README.md

@@ -97,7 +97,25 @@ $ menu-helper list
 1  |  Linguine Scampi  |  A lemony Italian pasta dish.
 ```
 
-### Modifying Recipe Ingredients/Tags
+### Modifying Recipes
+
+#### Name & Description
+
+To correct or otherwise modify the name or description of your recipe, you can
+use the `edit-name` and `edit-description` subcommands. These will prompt you
+for the new name or description respectively and overwrite what was previously
+stored in the database:
+
+```console
+$ menu-helper edit-name 1
+New name: Lenguine agli Scampi
+$ menu-helper edit-description 1
+New description: A zesty Italian pasta dish.
+$ menu-helper list
+1  |  Linguine agli Scampi  | A zesty Italian pasta dish.
+```
+
+#### Ingredients/Tags
 
 If there are ingredients/tags which you forgot to add to a recipe, or that you
 added erringly, you can correct this with the following commands:
@@ -117,8 +135,8 @@ Scampi) that it is a pasta dish. We can do this with the following command:
 ```console
 $ menu-helper add-tag 1 pasta
 $ menu-helper info 1
-Name: Linguine Scampi
+Name: Linguine agli Scampi
-Description: A lemony Italian pasta dish.
+Description: A zesty Italian pasta dish.
 ID: 1
 
 Ingredients:

TODO.md

@@ -6,5 +6,5 @@
 - [ ] Add import/export functionality.
 - [ ] Properly align output columns from `list` subcommand.
 - [ ] Add feature for editing recipe name and description.
-  - [ ] Name
+  - [X] Name
   - [ ] Description

src/arg_parse.hpp

@@ -28,6 +28,7 @@ enum cmd_id {
 	CMD_DEL,
 	CMD_LIST,
 	CMD_INFO,
+	CMD_EDIT_NAME,
 	CMD_ADD_INGR,
 	CMD_RM_INGR,
 	CMD_ADD_TAG,
@@ -41,6 +42,7 @@ static const std::map<enum cmd_id, std::vector<std::string>> commands = {
 	{ CMD_DEL, {"del", "rm"} },
 	{ CMD_LIST, {"list", "ls"} },
 	{ CMD_INFO, {"info", "i"} },
+	{ CMD_EDIT_NAME, {"edit-name"} },
 	{ CMD_ADD_INGR, {"add-ingr"} },
 	{ CMD_RM_INGR, {"rm-ingr"} },
 	{ CMD_ADD_TAG, {"add-tag"} },
@@ -66,6 +68,7 @@ static inline void print_help(void) {
 		   "\tdel, rm                  Delete recipe by ID.\n"
 		   "\tlist, ls                 List recipes with filters.\n"
 		   "\tinfo                     Show recipe information.\n"
+		   "\tedit-name                Change recipe name.\n"
 		   "\tadd-ingr                 Add ingredient to a recipe.\n"
 		   "\trm-ingr                  Remove ingredient from a recipe.\n"
 		   "\tadd-tag                  Add tag to a recipe.\n"

src/cmd.cpp

@@ -168,6 +168,27 @@ int cmd_info(const int id) {
 	return EXIT_SUCCESS;
 }
 
+int cmd_edit_name(const int id) {
+	db db;
+	std::string new_name;
+
+	db.open();
+	if(not db.recipe_exists(id)) {
+		std::cerr << "Recipe with ID " << id << " does not exist." << std::endl;
+		db.close();
+		return EXIT_FAILURE;
+	}
+
+	std::cout << "New name: ";
+	std::getline(std::cin, new_name);
+
+	db.update_recipe_name(id, new_name);
+
+	db.close();
+
+	return EXIT_SUCCESS;
+}
+
 int cmd_add_ingr(const int recipe_id, const char *ingredients) {
 	db db;
 	std::vector<std::string> ingr_list = split(ingredients, ",");

src/cmd.hpp

@@ -21,6 +21,7 @@ int cmd_add(void);
 int cmd_list(int argc, char *argv[]);
 int cmd_delete(int argc, char *argv[]);
 int cmd_info(const int id);
+int cmd_edit_name(const int id);
 int cmd_add_ingr(const int recipe_id, const char *ingredients);
 int cmd_rm_ingr(const int recipe_id, const char *ingredients);
 int cmd_add_tag(const int recipe_id, const char *tags);

src/db.cpp

@@ -175,6 +175,16 @@ struct recipe db::get_recipe(const int id) {
 	return recipe;
 }
 
+void db::update_recipe_name(const int id, const std::string &new_name) {
+	if(not sqlite_db)
+		throw std::runtime_error(std::format("{}: Database not open! Please contact a developer.", __PRETTY_FUNCTION__));
+
+	if(sqlite3_exec(sqlite_db, std::format("UPDATE OR IGNORE recipes SET name='{}' WHERE id={};", new_name, id).c_str(),
+					nullptr, nullptr, nullptr) not_eq SQLITE_OK) {
+		throw std::runtime_error(std::format("Failed to modify name of recipe with ID {}.", id));
+	}
+}
+
 std::vector<struct recipe> db::get_recipes(const std::vector<std::string> &ingredients,
 										   const std::vector<std::string> &tags)
 {

src/db.hpp

@@ -59,6 +59,7 @@ public:
 	}
 	bool recipe_exists(const int id);
 	struct recipe get_recipe(const int id);
+	void update_recipe_name(const int id, const std::string &new_name);
 	std::vector<struct recipe> get_recipes(const std::vector<std::string> &ingredients,
 										   const std::vector<std::string> &tags);
 

src/main.cpp

@@ -50,6 +50,9 @@ int main(int argc, char *argv[]) {
 		case CMD_INFO:
 			ret = cmd_info(std::stoi(argv[2]));
 			break;
+		case CMD_EDIT_NAME:
+			ret = cmd_edit_name(std::stoi(argv[2]));
+			break;
 		case CMD_ADD_INGR:
 			ret = cmd_add_ingr(std::stoi(argv[2]), argv[3]);
 			break;