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add support for all crud and list in the service files

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This commit is contained in:
Mason Payne
2021-01-23 01:14:04 -07:00
parent c176de3297
commit 17deed412a
5 changed files with 119 additions and 72 deletions
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1
frame/src/components/{{component}}/{{component}}Service.ets
View File

@ -7,7 +7,6 @@ class {{Component}}Service {
public initialize() {
return Promise.resolve();
}
// SYSTEM-BUILDER-{{component}}-service
}

2
src/systemGenService.ts
View File

@ -50,7 +50,7 @@ interface ComponentDef {
interface EndpointDef {
component: string;
table: string;
type: ('list' | 'count' | 'item' | 'distinct' | 'update' | 'create' | 'delete' | 'search');
type: ('list' | 'count' | 'item' | 'update' | 'create' | 'delete' | 'search');
columns: ColumnRef[];
values?: ValueDef[];
join?: JoinDef[];

120
src/views/mapper-creator.ts
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@ -22,7 +22,7 @@ function createMapperFunc(view: EndpointDef): string {
function buildDeleteItem(view: EndpointDef): string {
let func: string = '';
let funcName = buildFunctionName(view);
let funcName = buildMapperFunctionName(view);
let tables: string = `${view.table}`;
let {filters, requiredQueryValues, optionalFilterParts} = constructFilters(view);
let query: string = `DELETE FROM ${tables}${filters}`;
@ -45,7 +45,7 @@ function buildDeleteItem(view: EndpointDef): string {
function buildGetItem(view: EndpointDef): string {
let func: string = '';
let funcName = buildFunctionName(view);
let funcName = buildMapperFunctionName(view);
let columns: string = `${view.component}.${view.component}_id, ${view.columns.map(c => `${c.table}.${c.name}`).join(', ')}`;
let tables: string = view.join?.length ? buildJoin(view) : `${view.table}`;
let {filters, requiredQueryValues, optionalFilterParts} = constructFilters(view);
@ -69,23 +69,60 @@ function buildGetItem(view: EndpointDef): string {
function buildCreateFunc(view: EndpointDef): string {
let func: string = '';
let query: string = `INSERT INTO ${view.table} SET `;
func = getCreateOrUpdateFunc(query, view);
let inQuery: string = `INSERT INTO ${view.table} SET `;
let {funcName, query, requiredQueryValues, optionalValuesCode} = getCreateOrUpdateFunc(inQuery, view);
func = `
public ${funcName}(params: {[key: string]: string}) {
let query: string = '${query}';
let queryValues: string[] = [${requiredQueryValues}];
// optional params?
${optionalValuesCode}
return super.runQuery(query, [...queryValues]);
}
`;
return func;
}
function buildUpdateFunc(view: EndpointDef): string {
let func: string = '';
let query: string = `UPDATE ${view.table} SET `;
func = getCreateOrUpdateFunc(query, view);
let inQuery: string = `UPDATE ${view.table} SET `;
let {funcName, query, requiredQueryValues, optionalValuesCode} = getCreateOrUpdateFunc(inQuery, view);
let postQuery = ` WHERE `;
for (let i in view.filters) {
// @ts-ignore
let filter: Filter = view.filters[i];
if (!postQuery.endsWith('WHERE ')) {
postQuery = postQuery + ` AND `;
}
postQuery = postQuery + `${filter.column.table}.${filter.column.name} = ?`;
if (requiredQueryValues.length) {
requiredQueryValues = requiredQueryValues + `, `;
}
requiredQueryValues = requiredQueryValues + `params.${filter.param}`;
}
func = `
public ${funcName}(params: {[key: string]: string}) {
let query: string = '${query}';
let queryValues: string[] = [${requiredQueryValues}];
// optional params?
${optionalValuesCode}
query = query + '${postQuery}';
return super.runQuery(query, [...queryValues]);
}
`;
return func;
}
function getCreateOrUpdateFunc(query: string, view: EndpointDef): string {
let func: string = '';
let funcName = buildFunctionName(view);
function getCreateOrUpdateFunc(query: string, view: EndpointDef) {
let funcName = buildMapperFunctionName(view);
let requiredQueryValues: string = '';
let optionalValuesCode: string = '';
for (let i in view.columns) {
@ -108,20 +145,7 @@ function getCreateOrUpdateFunc(query: string, view: EndpointDef): string {
`;
}
}
func = `
public ${funcName}(params: {[key: string]: string}) {
let query: string = '${query}';
let queryValues: string[] = [${requiredQueryValues}];
// optional params?
${optionalValuesCode}
return super.runQuery(query, [...queryValues]);
}
`;
return func;
return {funcName, query, requiredQueryValues, optionalValuesCode};
}
function constructFilters(view: EndpointDef, isSearch=false) {
@ -165,7 +189,7 @@ function buildGetList(view: EndpointDef, isSearch=false): string {
let columns: string = view.type === 'count' ? `count(*)` : `${view.component}.${view.component}_id, ${view.columns.map(c => `${c.table}.${c.name}`).join(', ')}`;
let query: string = '';
let tables: string = view.join?.length ? buildJoin(view) : `${view.table}`;
funcName = buildFunctionName(view);
funcName = buildMapperFunctionName(view);
let {filters, requiredQueryValues, optionalFilterParts} = constructFilters(view, isSearch);
@ -201,49 +225,6 @@ function buildGetList(view: EndpointDef, isSearch=false): string {
return func;
}
function buildSearches(view: EndpointDef): {filters: string, requiredFilterValues: string, optionalFiltersCode: string} {
let filtersObj: {filters: string, requiredFilterValues: string, optionalFiltersCode: string} = {
filters: '',
requiredFilterValues: '',
optionalFiltersCode: ''
};
let filters: string = '';
let requiredFilterStrings = [];
let requiredQueryValues = '';
let optionalFilterParts = '';
if (view.filters) {
for (let i in view.filters) {
let f: Filter = view.filters[i];
if (f.required) {
requiredFilterStrings.push(`${f.column.table}.${f.column.name} ${f.comparison} ?`); // e.g. 'table.id = ?'
if (requiredQueryValues.length) {
requiredQueryValues = requiredQueryValues + `, `;
}
requiredQueryValues = requiredQueryValues + `params.${f.param}`;
} else {
/* e.g.
if (eventLog.app) {
query = query + ', app = ?';
queryValues.push(eventLog.app);
}
*/
optionalFilterParts = optionalFilterParts + `
if (params.${f.param}) {
query = query + ' OR ${f.column.table}.${f.column.name} ${f.comparison} ?';
queryValues.push('%' + params.${f.param} + '%');
}`;
}
}
filters = ` WHERE ${requiredFilterStrings.join(' AND ')}`;
}
filtersObj.filters = filters;
filtersObj.requiredFilterValues = requiredQueryValues;
filtersObj.optionalFiltersCode = optionalFilterParts;
return filtersObj;
}
function buildJoin(view: EndpointDef): string {
if (view.join?.length) {
let join = `${view.table}`;
@ -271,7 +252,7 @@ function buildOrderBy(view: EndpointDef): string {
return orderBy;
}
function buildFunctionName(view: EndpointDef): string {
function buildMapperFunctionName(view: EndpointDef): string {
let selector: {[type: string]: (view: EndpointDef) => string} = {
'list': (view: EndpointDef) => `get${pluralize(uppercaseFirstLetter(view.component))}` + (view.type === 'count' ? 'Count' : ''),
'count': (view: EndpointDef) => `get${pluralize(uppercaseFirstLetter(view.component))}` + (view.type === 'count' ? 'Count' : ''),
@ -285,5 +266,6 @@ function buildFunctionName(view: EndpointDef): string {
}
export {
createMapperFunc
createMapperFunc,
buildMapperFunctionName
}

46
src/views/service-creator.ts Normal file
View File

@ -0,0 +1,46 @@
import {EndpointDef} from "../systemGenService";
import {lowercaseFirstLetter} from "./helpers";
import {buildMapperFunctionName} from "./mapper-creator";
function createServiceFunc(view: EndpointDef) {
// TODO: add support for doing things other than talking to the mapper e.g. API calls and cache checks
return buildServiceFunction(view);
}
function buildServiceFunction(view: EndpointDef): string {
let func: string = '';
let isListOrSearch: boolean = view.type === 'list' || view.type === 'search';
let funcName: string = buildServiceFunctionName(view);
// there should never be an 'undefined' item in funcParams but the compiler complained that it was possible
// TODO: funcParams should be sorted by 'required' so the optional params can come last and be left off when calling
let funcParams: (string | undefined)[] = (view.columns?.filter(column => column.param).map(column => column.param) || []).concat(view.filters?.filter(filter => filter.param).map(filter => filter.param) || []);
let columnParams: string[] = view.columns?.filter(column => column.param).map(column => { return '\n ' + column.param + ': ' + column.param; });
let filterParams: string[] = view.filters?.filter(filter => filter.param).map(filter => { return '\n ' + filter.param + ': ' + filter.param; }) || [];
if (isListOrSearch) {
funcParams.push('offset');
funcParams.push('limit');
}
func = `
public ${funcName}(${funcParams.join(', ')}) {
let params = {${columnParams}${columnParams.length ? ',' : ''}${filterParams}
};
return this.${mapperInstance(view)}.${buildMapperFunctionName(view)}(params${isListOrSearch ? ', offset, limit' : ''});
}
`;
return func;
}
function buildServiceFunctionName(view: EndpointDef): string {
return buildMapperFunctionName(view); // the functions should have the same name... I'm pretty sure...
}
function mapperInstance(view: EndpointDef): string {
return `${lowercaseFirstLetter(view.component)}Mapper`;
}
export {
createServiceFunc
}

20
src/views/views-creator.ts
View File

@ -7,6 +7,7 @@ import * as path from 'path';
import * as fs from 'fs';
import {createMapperFunc} from "./mapper-creator";
import {uppercaseFirstLetter, lowercaseFirstLetter} from "./helpers";
import {createServiceFunc} from "./service-creator";
const ncp = require('ncp').ncp;
@ -35,6 +36,11 @@ function createComponent(component: ComponentDef, systemDef: SystemDef) {
addInitializeRoutesCode(component.component, systemDef.name);
let serviceFileLocation: string = path.join(process.cwd(), systemDef.name, 'src', 'components', component.component, `${component.component}Service.ts`);
let servicePromise = initializeComponentFile(path.join(process.cwd(), systemDef.name, 'src', 'components', component.component, '{{component}}Service.ets'), serviceFileLocation, component.component, systemDef.name);
for (let i in component.endpoints) {
servicePromise = servicePromise.then(() => {
return insertServiceCode(component.endpoints[i], systemDef.name);
});
}
addInitializeServiceCode(component.component, systemDef.name);
Promise.all([mapperPromise, routesPromise, servicePromise]).then(() => {
console.log(`success creating component ${component.component}`);
@ -99,3 +105,17 @@ function insertMapperCode(view: EndpointDef, outDir: string): Promise<void> {
resolve();
});
}
function insertServiceCode(view: EndpointDef, outDir: string): Promise<void> {
return new Promise<void>((resolve) => {
const separator: string = `// SYSTEM-BUILDER-${view.component}-service`;
let fileLocation = path.join(process.cwd(), outDir, 'src', 'components', view.component, `${view.component}Service.ts`);
let initServiceFile: string = fs.readFileSync(fileLocation, 'utf8');
let parts = initServiceFile.split(separator);
parts[0] = parts[0] + createServiceFunc(view);
let newServiceFile = parts.join(separator);
fs.writeFileSync(fileLocation, newServiceFile, 'utf8');
resolve();
});
}