github.com/replit/upm@v0.0.0-20240423230255-9ce4fc3ea24c/internal/backends/java/msch.go (about)

     1  // The MIT License (MIT)
     2  //
     3  // Copyright (c) 2016 Fredy Wijaya
     4  // Search() function lightly edited by Dan Stowell for repl.it, February 2020
     5  //
     6  // Permission is hereby granted, free of charge, to any person obtaining a copy
     7  // of this software and associated documentation files (the "Software"), to deal
     8  // in the Software without restriction, including without limitation the rights
     9  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    10  // copies of the Software, and to permit persons to whom the Software is
    11  // furnished to do so, subject to the following conditions:
    12  //
    13  // The above copyright notice and this permission notice shall be included in all
    14  // copies or substantial portions of the Software.
    15  //
    16  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    17  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    18  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    19  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    20  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    21  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    22  // SOFTWARE.
    23  
    24  package java
    25  
    26  import (
    27  	"encoding/json"
    28  	"fmt"
    29  	"io"
    30  	"net/url"
    31  	"strings"
    32  
    33  	"github.com/replit/upm/internal/api"
    34  )
    35  
    36  const (
    37  	mavenURL string = "https://search.maven.org/solrsearch/select?q="
    38  )
    39  
    40  type SearchDoc struct {
    41  	Group          string `json:"g"`
    42  	Artifact       string `json:"a"`
    43  	Version        string `json:"latestVersion"`
    44  	PackageType    string `json:"p"`
    45  	CurrentVersion string `json:"v"`
    46  }
    47  
    48  type SearchResult struct {
    49  	Response struct {
    50  		Docs []SearchDoc `json:"docs"`
    51  	} `json:"response"`
    52  }
    53  
    54  func mavenSearch(searchURL string) ([]SearchDoc, error) {
    55  	res, err := api.HttpClient.Get(searchURL)
    56  	if err != nil {
    57  		return []SearchDoc{}, err
    58  	}
    59  	defer res.Body.Close()
    60  
    61  	body, err := io.ReadAll(res.Body)
    62  	if err != nil {
    63  		fmt.Printf("Could not read response\n")
    64  		return []SearchDoc{}, err
    65  	}
    66  
    67  	var searchResult SearchResult
    68  	if err := json.Unmarshal(body, &searchResult); err != nil {
    69  		fmt.Printf("Failed to decode response %q\n", body)
    70  		return []SearchDoc{}, err
    71  	}
    72  
    73  	return searchResult.Response.Docs, nil
    74  }
    75  
    76  func Search(keyword string) ([]SearchDoc, error) {
    77  	searchURL := mavenURL + url.QueryEscape(keyword)
    78  
    79  	return mavenSearch(searchURL)
    80  }
    81  
    82  func Info(name string) (SearchDoc, error) {
    83  	parts := strings.Split(string(name), ":")
    84  
    85  	var searchURL string
    86  	if len(parts) >= 2 {
    87  		searchURL = fmt.Sprintf("%sg:%s+AND+a:%s&core=gav", mavenURL, url.QueryEscape(fmt.Sprintf("%q", parts[0])), url.QueryEscape(fmt.Sprintf("%q", parts[1])))
    88  	} else {
    89  		searchURL = fmt.Sprintf("%sa:%s&core=gav", mavenURL, url.QueryEscape(fmt.Sprintf("%q", parts[0])))
    90  	}
    91  
    92  	docs, err := mavenSearch(searchURL)
    93  
    94  	if err != nil {
    95  		return SearchDoc{}, err
    96  	}
    97  
    98  	var latest = SearchDoc{}
    99  	if len(docs) > 0 {
   100  		latest = docs[0]
   101  	}
   102  
   103  	return latest, nil
   104  }