Likes

use sui::table;

Explore this module further in the Mover Registry: @sage/shared

Structs

`Likes`

All of the relationships that exist between Users and the content they have liked.

public struct Likes has store

Show Fields

  likes: sui::table::Table<address, u8>

Constants

Value used to store whether content has been liked or not.

const LIKE: u8 = 1;

Error code used when attempting to like content that has already been liked.

const EAlreadyLiked: u64 = 370;

Functions

`add`

Like the content.

public fun add(likes: &mut Likes, key: address)

Show Implementation

  public fun add(
      likes: &mut Likes,
      key: address
  ) {
      likes.likes.add(key, LIKE);
  }

`assert_has_not_liked`

Aborts with EAlreadyLiked if the content has already been liked.

public fun assert_has_not_liked(likes: &Likes, key: address)

Show Implementation

  public fun assert_has_not_liked(
      likes: &Likes,
      key: address
  ) {
      let has_liked = has_liked(
          likes,
          key
      );

      assert!(!has_liked, EAlreadyLiked);
  }

`create`

Creates a new instance of Likes.

public fun create(ctx: &mut TxContext): Likes

Show Implementation

  public fun create(
      ctx: &mut TxContext
  ): Likes {
      let likes = Likes {
          likes: table::new(ctx)
      };

      likes
  }

`get_length`

Gets the number of times the content has been liked.

public fun get_length(likes: &Likes): u64

Show Implementation

  public fun get_length(
      likes: &Likes
  ): u64 {
      likes.likes.length()
  }

`has_liked`

Returns true or false based on whether the content has been liked.

public fun has_liked(likes: &Likes, key: address): bool

Show Implementation

  public fun has_liked(
      likes: &Likes,
      key: address
  ): bool {
      likes.likes.contains(key)
  }

Introduction

Concepts

Architecture

Resources

Structs

`Likes`

Constants

Functions

`add`

`assert_has_not_liked`

`create`

`get_length`

`has_liked`

Introduction

Concepts

Architecture

Resources

​Structs

​Likes

​Constants

​Functions

​add

​assert_has_not_liked

​create

​get_length

​has_liked

Structs

`Likes`

Constants

Functions

`add`

`assert_has_not_liked`

`create`

`get_length`

`has_liked`