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93 lines
2.5 KiB
JavaScript
93 lines
2.5 KiB
JavaScript
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'use strict';
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const { contextSchema, nameSchema } = require('./context-schema');
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const NameExistsError = require('../error/name-exists-error');
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const {
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CONTEXT_FIELD_CREATED,
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CONTEXT_FIELD_UPDATED,
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CONTEXT_FIELD_DELETED,
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} = require('../event-type');
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class ContextService {
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constructor(
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{ projectStore, eventStore, contextFieldStore },
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{ getLogger },
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) {
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this.projectStore = projectStore;
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this.eventStore = eventStore;
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this.contextFieldStore = contextFieldStore;
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this.logger = getLogger('services/context-service.js');
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}
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async getAll() {
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return this.contextFieldStore.getAll();
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}
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async getContextField(name) {
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return this.contextFieldStore.get(name);
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}
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async createContextField(value, userName) {
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// validations
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await this.validateUniqueName(value);
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const contextField = await contextSchema.validateAsync(value);
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// creations
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await this.contextFieldStore.create(value);
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await this.eventStore.store({
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type: CONTEXT_FIELD_CREATED,
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createdBy: userName,
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data: contextField,
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});
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}
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async updateContextField(updatedContextField, userName) {
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// validations
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await this.contextFieldStore.get(updatedContextField.name);
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const value = await contextSchema.validateAsync(updatedContextField);
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// update
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await this.contextFieldStore.update(value);
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await this.eventStore.store({
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type: CONTEXT_FIELD_UPDATED,
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createdBy: userName,
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data: value,
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});
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}
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async deleteContextField(name, userName) {
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// validate existence
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await this.contextFieldStore.get(name);
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// delete
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await this.contextFieldStore.delete(name);
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await this.eventStore.store({
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type: CONTEXT_FIELD_DELETED,
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createdBy: userName,
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data: { name },
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});
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}
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async validateUniqueName({ name }) {
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let msg;
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try {
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await this.contextFieldStore.get(name);
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msg = 'A context field with that name already exist';
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} catch (error) {
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// No conflict, everything ok!
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return;
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}
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// Intentional throw here!
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throw new NameExistsError(msg);
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}
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async validateName(name) {
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await nameSchema.validateAsync({ name });
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await this.validateUniqueName({ name });
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}
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}
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module.exports = ContextService;
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