70 lines
1.6 KiB
JavaScript
70 lines
1.6 KiB
JavaScript
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module.exports = installMethod;
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function installMethod(model, methodName, filterCb) {
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model.remoteMethod(methodName, {
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description: 'List items using a filter',
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accessType: 'READ',
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accepts: [
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{
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arg: 'filter',
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type: 'object',
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required: true,
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description: 'Filter defining where',
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http: function(ctx) {
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return ctx.req.query;
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}
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}
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],
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returns: {
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arg: 'data',
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type: [model.modelName],
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root: true
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},
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http: {
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verb: 'get',
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path: `/${methodName}`
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}
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});
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model.filter = function(params, cb) {
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let filter = removeEmpty(filterCb(params));
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model.find(filter, function(err, instances) {
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if(!err) {
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cb(null, instances);
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}
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})
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};
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}
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function removeEmpty(o) {
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if(Array.isArray(o)) {
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let array = [];
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for(let item of o) {
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let i = removeEmpty(item);
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if(!isEmpty(item))
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array.push(item);
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};
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if(array.length > 0)
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return array;
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}
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else if (typeof o === 'object') {
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let object = {};
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for(let key in o) {
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let i = removeEmpty(o[key]);
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if(!isEmpty(i))
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object[key] = i;
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}
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if(Object.keys(object).length > 0)
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return object;
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}
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else if (!isEmpty(o))
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return o;
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return undefined;
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}
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function isEmpty(value) {
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return value === undefined || value === "";
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}
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