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fab-manager/app/assets/javascripts/services/pagination_service.js
2018-11-27 15:16:23 +01:00

60 lines
1.7 KiB
JavaScript

'use strict';
Application.Services.factory('paginationService', [function () {
const helpers = {};
helpers.pageCount = (totalCount, perPage) => Math.ceil(totalCount / perPage);
helpers.hasNextPage = function (currentPage, totalCount, perPage) {
const _pageCount = helpers.pageCount(totalCount, perPage);
return (_pageCount !== currentPage) && (_pageCount !== 0);
};
const Instance = function (resourceService, currentPage, perPage, totalCount, defaultQueryParams, callback, functionName) {
this.resourceService = resourceService;
this.currentPage = currentPage;
this.perPage = perPage;
this.totalCount = totalCount;
this.defaultQueryParams = defaultQueryParams;
this.callback = callback;
this.functionName = functionName || 'query';
this.loading = false;
this.pageCount = function () {
return helpers.pageCount(this.totalCount, this.perPage);
};
this.hasNextPage = function () {
return helpers.hasNextPage(this.currentPage, this.totalCount, this.perPage);
};
this.loadMore = function (queryParams) {
let k, v;
this.currentPage += 1;
this.loading = true;
const _queryParams = { page: this.currentPage, per_page: this.perPage };
if (queryParams) {
for (k in queryParams) {
v = queryParams[k];
_queryParams[k] = v;
}
}
for (k in this.defaultQueryParams) {
v = this.defaultQueryParams[k];
_queryParams[k] = v;
}
this.resourceService[this.functionName](_queryParams, dataPromise => {
this.callback(dataPromise);
this.loading = false;
});
};
};
return { Instance };
}
]);