pendzl_contracts 1.0.2

Reusable implementations of contracts and traits for interaction with them.
Documentation 
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// Copyright (c) 2024 C Forge. All Rights Reserved.
// SPDX-License-Identifier: MIT
use crate::token::psp34::Id;
use ink::{prelude::string::String, storage::Mapping};
use pendzl::traits::StorageFieldGetter;

use super::{AttribiuteSet, PSP34MetadataStorage};
use ink::prelude::string::ToString;

#[derive(Default, Debug)]
#[pendzl::storage_item]
pub struct PSP34MetadataData {
    pub attributes: Mapping<(Id, String), String>,
}

impl PSP34MetadataStorage for PSP34MetadataData {
    fn set_attribute(&mut self, id: &Id, key: &String, value: &String) {
        self.attributes
            .insert(&(id.clone(), key.to_string()), value);
    }
}

pub trait PSP34MetadataDefaultImpl:
    StorageFieldGetter<PSP34MetadataData>
{
    fn get_attribute_default_impl(
        &self,
        id: Id,
        key: String,
    ) -> Option<String> {
        self.data().attributes.get(&(id, key))
    }
}

pub trait PSP34MetadataInternalDefaultImpl:
    StorageFieldGetter<PSP34MetadataData>
{
    fn _set_attribute_default_impl(
        &mut self,
        id: &Id,
        key: &String,
        value: &String,
    ) {
        self.data().set_attribute(id, key, value);

        Self::env().emit_event(AttribiuteSet {
            id: id.clone(),
            key: key.to_string(),
            data: value.to_string(),
        })
    }
}