bakcup0108

binxie

2024-01-18 b1d36ea3e6653e59bd767aa192c688ee0d9d4c58

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
/*
 * @Description: 
 * @version: 
 * @Author: chen jing wu
 * @Date: 2023-12-04 10:55:42
 * @LastEditors: chen jing wu
 * @LastEditTime: 2023-12-08 11:16:26
 */
import { LightningElement, wire,api,track } from 'lwc';
import getFiles from '@salesforce/apex/MassFileDownloaderController.getFiles';
import searchFiles from '@salesforce/apex/MassFileDownloaderController.searchFiles';
const COLUMNS = [
    {
        label: 'Title',
        fieldName: 'Id',
        type: 'url',
        typeAttributes: { 
            label: { fieldName: 'Title' },
            target : '_blank'
        }
    },
    {
        label: 'Type',
        fieldName: 'FileExtension',
        type: 'text'
    },
    {
        label: 'Owner',
        fieldName: 'Description',
        type: 'text'
    },
    {
        label: 'CreatedDate',
        fieldName: 'CreatedDate',
        type: 'date'
    },
    
];
 
 
 
const BASE_DOWNLOAD_PATH = '/sfc/servlet.shepherd/version/download';
export default class MassFileDownloader extends LightningElement {
    value = "";
    offset = 0;
    columns = COLUMNS;
    @track files;
    connectedCallback(){
        getFiles({
            offset:this.offset
        }).then(result=>{
            this.files = result;
            console.log(this.files);
        });
    }
    downloadFiles() {
 
        let selectedFiles = this.files;
 
        if(selectedFiles.length === 0) {
            return;
        }
 
        this.initDownloading(
            this.getDownloadString(selectedFiles)
        );
    }
    setSelect(event){
        var index = event.target.name;
        this.files[index].isSelect = event.target.checked;
    }
 
    getDownloadString(files) {
        let downloadString = '';
        files.forEach(item => {
            if(item.isSelect){
                downloadString += '/' + item.con.LatestPublishedVersionId
            }
        });
        return downloadString;
    }
 
    initDownloading(downloadString) {
        if(0 == downloadString.length){
            return;
        }
        // alert(BASE_DOWNLOAD_PATH + downloadString);
        window.open(BASE_DOWNLOAD_PATH + downloadString, '_blank');
    }
    cancel(){
        if(this.offset >= 50){
            this.offset = this.offset - 50;
            searchFiles({
                title: this.value,
                offset: this.offset
            }).then(result=>{
                this.files = result;
            });
        }
    }
    next(){
        this.offset = this.offset + 50;
        searchFiles({
            title: this.value,
            offset: this.offset
        }).then(result=>{
            this.files = result;
        });
    }
    allSelect(event){
        var value = event.target.checked;
        for(var i = 0;i < this.files.length;i++){
            this.files[i].isSelect = value;
        }
        var elements = this.template.querySelectorAll('.options');
        elements.forEach(element=>{
            element.checked = value;
        });
        console.log('123');
        console.log(this.files);
    }
    search(event){
        var element = this.template.querySelector('[data-id="search"]');
        this.value = element.value;
        console.log(element);
        this.offset = 0;
        if(this.value){
            searchFiles({
                title: this.value,
                offset: 0
            }).then(result=>{
                this.files = result;
            });
        }else{
            getFiles({
                offset:this.offset
            }).then(result=>{
                this.files = result;
                console.log(this.files);
            });
        }
 
    }
}