category_with_firebase 1.0.6+1

category_with_firebase

category_with_firebase

This library is made for individual projects to manage categories using Firebase Firestore.

Getting Started

Category Structure

The InitCategory class represents the structure of a category.

class InitCategory { InitCategory({ required this.name, required this.depth, this.id, this.parentId, this.primary, this.ordinary, }); final String name; final int depth; final String? id; final String? parentId; final int? primary; final int? ordinary;

Map<String, dynamic> makeMap() {
return {
    'name': name,
    'depth': depth,
    'id': id ?? '',
    'parentId': parentId ?? '',
    'primary': primary ?? 0,
    'ordinary': ordinary ?? 0,
};

}

static InitCategory loadMap(Map<String, dynamic> map, String id) { return InitCategory( name: map['name'], depth: map['depth'], id: id, parentId: map['parentId'], primary: map['primary'], ordinary: map['ordinary'], ); } }

InitCategory Fields

• name: Category Name
• id: Unique ID from Firebase database
• parentId: Parent ID from Firebase database
• primary: Unique identifier across all categories
• ordinary: Order of the category, unique within the same depth
• depth: Depth of the category. 1 is the top level category. You can increase the depth for more subcategories. Example: 1 = Main Category, 2 = Secondary Category, 3 = Tertiary Category

CategoryCRUD

The CategoryCRUD class provides functions for Firebase database logic.

Methods

addPrimary

Adds a primary value to a category.

static Future

• Parameters:

  • collection (String): The name of the Firestore collection.
  • id (String): The document ID of the category.

• Description:

  • Retrieves all documents in the specified collection.
  • Finds the maximum primary value.
  • Sets the primary value of the specified document to max + 1.

addOrdinary

Adds an ordinary value to a category within the same depth.

static Future

• Parameters:

  • collection (String): The name of the Firestore collection.
  • id (String): The document ID of the category.
  • depth (int): The depth of the category.

• Description:

  • Retrieves all documents in the specified collection with the same depth.
  • Finds the maximum ordinary value within the same depth.
  • Sets the ordinary value of the specified document to max + 1.

addCategory

Adds a new category to the specified collection.

static Future

• Parameters:

  • collection (String): The name of the Firestore collection.
  • category (InitCategory): The category object to be added.
  • sub (String, optional): The parent ID of the category.

• Description:

  • Adds a new document to the specified collection.
  • Updates the document with its own ID and the parent ID.
  • Sets the primary and ordinary values.

getCategories

Retrieves all categories from the specified collection.

static Future<List

• Parameters:

  • collection (String): The name of the Firestore collection.

• Returns:

  • Future<List<InitCategory>>: A list of categories.

• Description:

  • Retrieves all documents in the specified collection.
  • Maps the documents to InitCategory objects.
  • Sorts the categories by their primary value.

getMain

Retrieves main categories from the specified collection.

static Future<List

• Parameters:

  • collection (String): The name of the Firestore collection.

• Returns:

  • Future<List<InitCategory>>: A list of main categories.

• Description:

  • Retrieves all documents in the specified collection where the depth is 1.
  • Maps the documents to InitCategory objects.
  • Sorts the categories by their primary value.

getSecondary

Retrieves secondary categories from the specified collection.

static Future<List

• Parameters:

  • collection (String): The name of the Firestore collection.
  • parentId (String): The ID of the parent category.

• Returns:

  • Future<List<InitCategory>>: A list of secondary categories.

• Description:

  • Retrieves all documents in the specified collection where the depth is 2 and the parent ID matches.
  • Maps the documents to InitCategory objects.
  • Sorts the categories by their primary value.

getTertiary

Retrieves tertiary categories from the specified collection.

static Future<List

• Parameters:

  • collection (String): The name of the Firestore collection.
  • parentId (String): The ID of the parent category.

• Returns:

  • Future<List<InitCategory>>: A list of tertiary categories.

• Description:

  • Retrieves all documents in the specified collection where the depth is 3 and the parent ID matches.
  • Maps the documents to InitCategory objects.
  • Sorts the categories by their primary value.

updateCategory

Updates the name of a category.

static Future

• Parameters:

  • collection (String): The name of the Firestore collection.
  • id (String): The document ID of the category.
  • name (String): The new name of the category.

• Description:

  • Updates the specified document with the new name.

deleteCategory

Deletes a category from the specified collection.

static Future

• Parameters:

  • collection (String): The name of the Firestore collection.
  • id (String): The document ID of the category.

• Description:

  • Deletes the specified document from the collection.

Provided by Luna Shechren https://github.com/shechren https://shechren.github.io/lunetzsche/