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Feature/nft pagination #78

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Feature/nft pagination #78

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7 changes: 7 additions & 0 deletions src/idls/dab_registries/nft_registry.did.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,12 @@ export default ({ IDL }) => {
'details' : IDL.Vec(IDL.Tuple(IDL.Text, detail_value)),
'principal_id' : IDL.Principal,
});
const paginated_nft_canisters = IDL.Record({
'offset': IDL.Nat64,
'limit': IDL.Nat64,
'amount': IDL.Nat64,
'nft_canisters': IDL.Vec(nft_canister),
});
const operation_error = IDL.Variant({
'NotAuthorized' : IDL.Null,
'BadParameters' : IDL.Null,
Expand All @@ -35,6 +41,7 @@ export default ({ IDL }) => {
'add' : IDL.Func([nft_canister], [operation_response], []),
'get' : IDL.Func([IDL.Principal], [IDL.Opt(nft_canister)], ['query']),
'get_all' : IDL.Func([], [IDL.Vec(nft_canister)], ['query']),
'get_all_paginated' : IDL.Func([IDL.Nat64, IDL.Nat64], [paginated_nft_canisters], 'query'),
'name' : IDL.Func([], [IDL.Text], ['query']),
'remove' : IDL.Func([IDL.Principal], [operation_response], []),
'set_controller' : IDL.Func([IDL.Principal], [operation_response], []),
Expand Down
7 changes: 7 additions & 0 deletions src/interfaces/dab_registries/nft_registry.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,12 @@ export interface NFTCanisterMetadata {
'principal_id' : Principal,
'details' : Array<[string, DetailValue]>,
}
export interface PaginatedNftCanisters {
'offset': number,
'limit': number,
'amount': number,
'nft_canisters': Array<NFTCanisterMetadata>,
}
export type Error = { 'NotAuthorized' : null } |
{ 'BadParameters' : null } |
{ 'Unknown' : string } |
Expand All @@ -36,6 +42,7 @@ export default interface NFTRegistryInterface extends RegistryStandard {
) => Promise<Response>,
'get' : (arg_0: Principal) => Promise<[] | [NFTCanisterMetadata]>,
'get_all' : () => Promise<Array<NFTCanisterMetadata>>,
'get_all_paginated': (arg_0: number, arg_1: number) => Promise<PaginatedNftCanisters>
'name' : () => Promise<string>,
'remove' : (arg_0: Principal) => Promise<Response>,
'set_controller' : (arg_0: Principal) => Promise<Response>,
Expand Down
18 changes: 18 additions & 0 deletions src/registries/nfts_registry.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ import { Principal } from '@dfinity/principal';
import fetch from 'cross-fetch';

import NFTRegistryInterface from '../interfaces/dab_registries/nft_registry';
import { PaginatedNftCanisters } from '../interfaces/dab_registries/nft_registry';
import { NFTStandards, NFTCollection } from '../interfaces/nft';
import { DABCollection } from '../interfaces/dab_nfts';

Expand Down Expand Up @@ -71,6 +72,10 @@ export class NFTRegistry extends Registry {
const canistersMetadata = await (this.actor as ActorSubclass<NFTRegistryInterface>).get_all();
return canistersMetadata.map(formatMetadata);
}
public getAllPaginated = async(offset: number, limit: number): Promise<PaginatedNftCanisters> => {
const canistersMetadata = await (this.actor as ActorSubclass<NFTRegistryInterface>).get_all_paginated(offset, limit);
return canistersMetadata;
}
}

export const getUserCollectionTokens = async (
Expand Down Expand Up @@ -144,6 +149,19 @@ export const getAllNFTS = async (
return allNFTs.map((nft) => ({ ...nft, icon: nft.thumbnail, standard: nft.details.standard as string }));
};

export const getAllNFTSPaginated = async (
{ agent = DEFAULT_AGENT }: { agent?: HttpAgent } = {}, offset: number, limit: number
): Promise<PaginatedNftCanisters> => {
const registry = new NFTRegistry(agent);
const allNFTs = await registry.getAllPaginated(offset, limit);
return {
offset: allNFTs.offset,
limit: allNFTs.limit,
amount: allNFTs.amount,
nft_canisters: allNFTs.nft_canisters,
}
};

export const getAllUserNFTs = async (
{ user,
agent = DEFAULT_AGENT }: GetAllUserNFTsParams
Expand Down