142 lines
3.4 KiB
TypeScript
142 lines
3.4 KiB
TypeScript
import type { IEntry, IValue, ListingResult } from "./types";
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export { UpEndApi } from "./api";
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export { Query } from "./query";
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export class UpListing {
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public readonly entries: UpEntry[];
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private _objects: { [key: string]: UpObject } = {};
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constructor(listing: ListingResult) {
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this.entries = Object.entries(listing).map(
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(lr) => new UpEntry(...lr, this),
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);
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}
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public get objects() {
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const allEntities = new Set(this.entries.map((e) => e.entity));
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const result: { [key: string]: UpObject } = {};
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Array.from(allEntities).forEach(
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(entity) => (result[entity] = new UpObject(entity, this)),
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);
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return result;
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}
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public getObject(address: string) {
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if (!this._objects[address]) {
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this._objects[address] = new UpObject(address, this);
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}
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return this._objects[address];
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}
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public get entities(): string[] {
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return Array.from(new Set(this.entries.map((e) => `@${e.entity}`)));
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}
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public get attributes(): string[] {
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return Array.from(new Set(this.entries.map((e) => e.attribute)));
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}
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public get values(): IValue[] {
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return Array.from(new Set(this.entries.map((e) => e.value)));
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}
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}
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export class UpObject {
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public readonly address: string;
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public listing: UpListing | undefined;
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constructor(address: string, listing?: UpListing) {
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this.address = address;
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this.listing = listing;
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}
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public bind(listing: UpListing) {
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this.listing = listing;
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}
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public get attributes() {
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return (this.listing?.entries || []).filter(
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(e) => e.entity === this.address,
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);
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}
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public get backlinks() {
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return (this.listing?.entries || []).filter(
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(e) => e.value.c === this.address,
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);
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}
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private _attr: Record<string, UpEntry[] | undefined> | undefined;
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public get attr(): Record<string, UpEntry[] | undefined> {
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if (!this._attr) {
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const result = {} as { [key: string]: UpEntry[] };
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this.attributes.forEach((entry) => {
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if (!result[entry.attribute]) {
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result[entry.attribute] = [];
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}
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result[entry.attribute].push(entry);
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});
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this.backlinks.forEach((entry) => {
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const attribute = `~${entry.attribute}`;
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if (!result[attribute]) {
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result[attribute] = [];
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}
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result[attribute].push(entry);
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});
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this._attr = result;
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}
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return this._attr;
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}
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public get(attr: string): string | number | null | undefined {
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return this.attr[attr]?.[0].value.c;
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}
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public identify(): string[] {
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return (this.attr["LBL"] || []).map((e) => String(e.value.c));
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}
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public toString(): string {
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return [`@${this.address}`, this.identify().join(", ")]
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.filter(Boolean)
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.join(" | ");
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}
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public asDict() {
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return {
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address: this.address,
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attributes: this.attr,
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};
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}
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}
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export class UpEntry extends UpObject implements IEntry {
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entity: string;
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attribute: string;
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value: IValue;
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provenance: string;
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user: string;
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timestamp: string;
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constructor(address: string, entry: IEntry, listing: UpListing) {
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super(address, listing);
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this.entity = entry.entity;
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this.attribute = entry.attribute;
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this.value = entry.value;
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this.provenance = entry.provenance;
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this.user = entry.user;
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this.timestamp = entry.timestamp;
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}
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public toString(): string {
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return `(${this.entity} ${this.attribute} ${this.value.c} [${this.value.t}])`;
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}
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}
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