<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="视频id" prop="videoId">
        <el-input
          v-model="queryParams.videoId"
          placeholder="请输入视频id"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="课程ID" prop="courseId">
        <el-input
          v-model="queryParams.courseId"
          placeholder="请输入课程ID"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="用户ID" prop="userId">
        <el-input
          v-model="queryParams.userId"
          placeholder="请输入用户ID"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="总课时数" prop="periodTotal">
        <el-input
          v-model="queryParams.periodTotal"
          placeholder="请输入总课时数"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="已学习课时数" prop="periodStudy">
        <el-input
          v-model="queryParams.periodStudy"
          placeholder="请输入已学习课时数"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="状态(1待学习，2正在学习 、3已结课)" prop="status">
        <el-select v-model="queryParams.status" placeholder="请选择状态(1待学习，2正在学习 、3已结课)" clearable size="small">
          <el-option label="请选择字典生成" value="" />
        </el-select>
      </el-form-item>
      <el-form-item label="排序" prop="sort">
        <el-input
          v-model="queryParams.sort"
          placeholder="请输入排序"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="排序" prop="isExam">
        <el-input
          v-model="queryParams.isExam"
          placeholder="请输入排序"
          clearable
          size="small"
          @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
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['course:userCourseStudy:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['course:userCourseStudy:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['course:userCourseStudy:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          :loading="exportLoading"
          @click="handleExport"
          v-hasPermi="['course:userCourseStudy:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="userCourseStudyList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="主键" align="center" prop="studyId" />
      <el-table-column label="视频id" align="center" prop="videoId" />
      <el-table-column label="课程ID" align="center" prop="courseId" />
      <el-table-column label="用户ID" align="center" prop="userId" />
      <el-table-column label="总课时数" align="center" prop="periodTotal" />
      <el-table-column label="已学习课时数" align="center" prop="periodStudy" />
      <el-table-column label="状态(1待学习，2正在学习 、3已结课)" align="center" prop="status" />
      <el-table-column label="排序" align="center" prop="sort" />
      <el-table-column label="修改时间" align="center" prop="isExam" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['course:userCourseStudy:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['course:userCourseStudy:remove']"
          >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"
    />

    <!-- 添加或修改课程用户关联对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="视频id" prop="videoId">
          <el-input v-model="form.videoId" placeholder="请输入视频id" />
        </el-form-item>
        <el-form-item label="课程ID" prop="courseId">
          <el-input v-model="form.courseId" placeholder="请输入课程ID" />
        </el-form-item>
        <el-form-item label="用户ID" prop="userId">
          <el-input v-model="form.userId" placeholder="请输入用户ID" />
        </el-form-item>
        <el-form-item label="总课时数" prop="periodTotal">
          <el-input v-model="form.periodTotal" placeholder="请输入总课时数" />
        </el-form-item>
        <el-form-item label="已学习课时数" prop="periodStudy">
          <el-input v-model="form.periodStudy" placeholder="请输入已学习课时数" />
        </el-form-item>
        <el-form-item label="状态(1待学习，2正在学习 、3已结课)">
          <el-radio-group v-model="form.status">
            <el-radio label="1">请选择字典生成</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="排序" prop="sort">
          <el-input v-model="form.sort" placeholder="请输入排序" />
        </el-form-item>
        <el-form-item label="排序" prop="isExam">
          <el-input v-model="form.isExam" placeholder="请输入排序" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listUserCourseStudy, getUserCourseStudy, delUserCourseStudy, addUserCourseStudy, updateUserCourseStudy, exportUserCourseStudy } from "@/api/course/userCourseStudy";

export default {
  name: "UserCourseStudy",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 导出遮罩层
      exportLoading: false,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 课程用户关联表格数据
      userCourseStudyList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        videoId: null,
        courseId: null,
        userId: null,
        periodTotal: null,
        periodStudy: null,
        status: null,
        sort: null,
        isExam: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        courseId: [
          { required: true, message: "课程ID不能为空", trigger: "blur" }
        ],
        userId: [
          { required: true, message: "用户ID不能为空", trigger: "blur" }
        ],
        periodTotal: [
          { required: true, message: "总课时数不能为空", trigger: "blur" }
        ],
        periodStudy: [
          { required: true, message: "已学习课时数不能为空", trigger: "blur" }
        ],
        status: [
          { required: true, message: "状态(1待学习，2正在学习 、3已结课)不能为空", trigger: "blur" }
        ],
        sort: [
          { required: true, message: "排序不能为空", trigger: "blur" }
        ],
        createTime: [
          { required: true, message: "创建时间不能为空", trigger: "blur" }
        ],
        updateTime: [
          { required: true, message: "修改时间不能为空", trigger: "blur" }
        ],
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询课程用户关联列表 */
    getList() {
      this.loading = true;
      listUserCourseStudy(this.queryParams).then(response => {
        this.userCourseStudyList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        studyId: null,
        videoId: null,
        courseId: null,
        userId: null,
        periodTotal: null,
        periodStudy: null,
        status: "0",
        sort: null,
        createTime: null,
        updateTime: null,
        isExam: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.studyId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加课程用户关联";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const studyId = row.studyId || this.ids
      getUserCourseStudy(studyId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改课程用户关联";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.studyId != null) {
            updateUserCourseStudy(this.form).then(response => {
              this.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addUserCourseStudy(this.form).then(response => {
              this.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const studyIds = row.studyId || this.ids;
      this.$confirm('是否确认删除课程用户关联编号为"' + studyIds + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delUserCourseStudy(studyIds);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm('是否确认导出所有课程用户关联数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(() => {
          this.exportLoading = true;
          return exportUserCourseStudy(queryParams);
        }).then(response => {
          this.download(response.msg);
          this.exportLoading = false;
        }).catch(() => {});
    }
  }
};
</script>
