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SearchController.java
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SearchController.java
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/*
* Copyright 2012 - 2013 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.data.solr.showcase.product.web;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Set;
import javax.servlet.http.HttpServletRequest;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.solr.core.query.result.FacetFieldEntry;
import org.springframework.data.solr.core.query.result.FacetPage;
import org.springframework.data.solr.showcase.product.ProductService;
import org.springframework.data.solr.showcase.product.model.Product;
import org.springframework.data.web.PageableDefault;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
/**
* @author Christoph Strobl
*/
@Controller
@Component
@Scope("prototype")
public class SearchController {
private ProductService productService;
@RequestMapping("/search")
public String search(Model model, @RequestParam(value = "q", required = false) String query, @PageableDefault(
page = 0, size = ProductService.DEFAULT_PAGE_SIZE) Pageable pageable, HttpServletRequest request) {
model.addAttribute("page", productService.findByName(query, pageable));
model.addAttribute("pageable", pageable);
model.addAttribute("query", query);
return "search";
}
@ResponseBody
@RequestMapping(value = "/autocomplete", produces = "application/json")
public Set<String> autoComplete(Model model, @RequestParam("term") String query,
@PageableDefault(page = 0, size = 1) Pageable pageable) {
if (!StringUtils.hasText(query)) {
return Collections.emptySet();
}
FacetPage<Product> result = productService.autocompleteNameFragment(query, pageable);
Set<String> titles = new LinkedHashSet<String>();
for (Page<FacetFieldEntry> page : result.getFacetResultPages()) {
for (FacetFieldEntry entry : page) {
if (entry.getValue().contains(query)) { // we have to do this as we do not use terms vector or a string field
titles.add(entry.getValue());
}
}
}
return titles;
}
@Autowired
public void setProductService(ProductService productService) {
this.productService = productService;
}
}