@tsclean/core/dist/core/handler/handlers-context-creator.js

Plugin for API Rest Full development, based on Clean Architecture, IoC and Dependency Injection.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.HandlersContextCreator = void 0;
const iterare_1 = require("iterare");
const context_creator_1 = require("../../helpers/context-creator");
const constants_1 = require("../injector/constants");
const constants_2 = require("../../helpers/constants");
const shared_utils_1 = require("../../utils/shared.utils");
class HandlersContextCreator extends context_creator_1.ContextCreator {
    constructor(container, config) {
        super();
        this.container = container;
        this.config = config;
    }
    create(instance, callback, moduleKey, contextId = constants_1.STATIC_CONTEXT, inquirerId) {
        this.moduleContext = moduleKey;
        return this.createContext(instance, callback, constants_2.HANDLER_METADATA, contextId, inquirerId);
    }
    createConcreteContext(metadata, contextId = constants_1.STATIC_CONTEXT, inquirerId) {
        if ((0, shared_utils_1.isEmpty)(metadata))
            return [];
        return (0, iterare_1.iterate)(metadata)
            .filter((handler) => handler && (handler.name || handler.transform))
            .map(handler => this.getHandlerInstance(handler, contextId, inquirerId))
            .filter(handler => handler && handler.transform && (0, shared_utils_1.isFunction)(handler.transform))
            .toArray();
    }
    getHandlerInstance(handler, contextId = constants_1.STATIC_CONTEXT, inquirerId) {
        const isObject = handler.transform;
        if (isObject)
            return handler;
        const instanceWrapper = this.getInstanceByMetaType(handler);
        if (!instanceWrapper)
            return null;
        const instanceHost = instanceWrapper.getInstanceByContextId(contextId, inquirerId);
        return instanceHost && instanceHost.instance;
    }
    getInstanceByMetaType(metaType) {
        if (!this.moduleContext)
            return;
        const collection = this.container.getModules();
        const moduleRef = collection.get(this.moduleContext);
        if (!moduleRef)
            return;
        return moduleRef.injectables.get(metaType);
    }
    getGlobalMetadata(contextId = constants_1.STATIC_CONTEXT, inquirerId) {
        if (!this.config)
            return [];
        const globalHandlers = this.config.getGlobalHandlers();
        if (contextId === constants_1.STATIC_CONTEXT && !inquirerId)
            return globalHandlers;
        const scopedPipeWrappers = this.config.getGlobalRequestHandlers();
        const scopedPipes = (0, iterare_1.iterate)(scopedPipeWrappers)
            .map(wrapper => wrapper.getInstanceByContextId(contextId, inquirerId))
            .filter(host => !!host)
            .map(host => host.instance)
            .toArray();
        return globalHandlers.concat(scopedPipes);
    }
    setModuleContext(context) {
        this.moduleContext = context;
    }
}
exports.HandlersContextCreator = HandlersContextCreator;
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