<template>
  <div class="app-container">
    <el-form v-show="showSearch" ref="queryForm" :model="queryParams" :inline="true" label-width="68px">
      <el-form-item label="文件名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入文件名称"
          clearable
          size="small"
          style="width: 240px"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="文件类型" prop="type">
        <el-input
          v-model="queryParams.type"
          placeholder="请输入文件类型"
          clearable
          size="small"
          style="width: 240px"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          v-hasPermi="['system:savefile:post']"
          type="primary"
          plain
          icon="el-icon-upload"
          size="mini"
          @click="handleAdd"
        >文件上传
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          v-hasPermi="['system:savefile:{id}:delete']"
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
        >批量删除
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          v-hasPermi="['system:clearsavefile:post']"
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleClear"
        >清理废弃文件
        </el-button>
      </el-col>
      <right-toolbar :show-search.sync="showSearch" @queryTable="getList" />
    </el-row>

    <el-table v-loading="loading" :data="fileList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="文件编号" width="90" align="center" prop="id" />
      <el-table-column label="文件名称" width="200" align="center" prop="name" :show-overflow-tooltip="true" />
      <el-table-column label="文件类型" width="150" align="center" prop="type" />
      <el-table-column label="文件大小" width="90" align="center" prop="size" />
      <el-table-column label="存储位置" align="center" prop="address" />
      <el-table-column label="文件来源" align="center" prop="source" />
      <el-table-column label="文件本地地址" align="center" prop="file" :show-overflow-tooltip="true">
        <template slot-scope="scope">
          <el-button
            v-if="scope.row.file"
            size="mini"
            type="text"
            icon="el-icon-document-copy"
            @click="CopyFileUrl(scope.row.file)"
          />
          &nbsp;
          <span>{{ scope.row.file }}</span>
        </template>
      </el-table-column>
      <el-table-column label="OSS地址" align="center" prop="oss_url" :show-overflow-tooltip="true">
        <template slot-scope="scope">
          <el-button
            v-if="scope.row.oss_url"
            size="mini"
            type="text"
            icon="el-icon-document-copy"
            @click="CopyFileUrl(scope.row.oss_url)"
          />
          &nbsp;
          <span>{{ scope.row.oss_url }}</span>
        </template>
      </el-table-column>
      <el-table-column label="创建时间" align="center" prop="create_datetime" width="160">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.create_datetime) }}</span>
        </template>
      </el-table-column>
      <el-table-column
        v-if="hasPermi(['system:clearsavefile:download:post'])"
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
        width="130"
      >
        <template slot-scope="scope">
          <el-button
            v-hasPermi="['system:clearsavefile:download:post']"
            size="mini"
            type="text"
            icon="el-icon-download"
            @click="handleDownload(scope.row)"
          >下载
          </el-button>
          <el-button
            v-hasPermi="['system:savefile:{id}:delete']"
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
          >删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />
    <!-- 对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="400px" append-to-body @close="submitForm">
      <FileUpload ref="saveFile" :file-type="['ALL']" @input="submitForm" />
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">完 成</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { clearSaveFile, delSaveFile, listSaveFile } from "@/api/vadmin/system/savefile";
import FileUpload from "@/components/FileUpload/index";

export default {
  name: "Savefile",
  components: { FileUpload },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 显示搜索条件
      showSearch: true,
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        name: undefined,
        type: undefined
      },
      // 总条数
      total: 0,
      // 数据列表
      fileList: []
    };
  },
  created() {
    this.getList();
  },
  mounted() {
  },
  methods: {
    /** 查询列表 */
    getList() {
      this.loading = true;
      listSaveFile(this.queryParams).then(response => {
        this.fileList = response.data.results;
        this.total = response.data.count;
        this.loading = false;
      });
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 上传按钮操作 */
    handleAdd(row) {
      this.open = true;
      this.title = "上传文件";
    },
    /** 文件下载 **/
    handleDownload(row) {
      this.download(row.file_url, row.name);
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const userIds = row.id || this.ids;
      this.$confirm('是否确认删除文件编号为"' + userIds + '"的数据项?', "警告", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).then(function() {
        return delSaveFile(userIds);
      }).then(() => {
        this.getList();
        this.msgSuccess("删除成功");
      });
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 清理废弃文件 */
    handleClear() {
      this.$confirm("此项操作会把所有数据库中不存在的文件删除，包括OSS中的文件，是否确认要清理废弃文件?", "警告", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).then(function() {
        return clearSaveFile();
      }).then((values) => {
        this.getList();
        this.msgSuccess(values.msg);
      });
    },
    /** 完成按钮 */
    submitForm: function() {
      this.getList();
      this.open = false;
      this.$refs.saveFile.fileList = [];
    },
    CopyFileUrl(values) {
      const input = document.createElement("input");
      document.body.appendChild(input);
      input.setAttribute("value", values);
      input.select();
      if (document.execCommand("copy")) {
        document.execCommand("copy");
        this.msgSuccess("复制成功");
      }
      document.body.removeChild(input);
    }
  }

};
</script>

<style scoped>

</style>
