<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="90px">
      <el-form-item label="分类名称" prop="categoryName">
        <el-input
          v-model="queryParams.categoryName"
          placeholder="请输入分类名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="请选择状态" clearable size="small">
          <el-option label="正常" value="1" />
          <el-option label="禁用" value="0" />
        </el-select>
      </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"
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['store:homeCategory:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['store:homeCategory:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['store:homeCategory:remove']"
        >删除</el-button>
      </el-col>
<!--      <el-col :span="1.5">-->
<!--        <el-button-->
<!--          type="warning"-->
<!--          icon="el-icon-download"-->
<!--          size="mini"-->
<!--          @click="handleExport"-->
<!--          v-hasPermi="['store:homeCategory:export']"-->
<!--        >导出</el-button>-->
<!--      </el-col>-->
	  <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="homeCategoryList" @selection-change="handleSelectionChange" border>
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="分类名称" align="center" prop="categoryName" />
      <el-table-column label="封面图片" align="center" prop="imageUrl">
        <template slot-scope="scope">
          <el-image
            style="width: 80px; height: 50px"
            :src="scope.row.imageUrl"
            :preview-src-list="[scope.row.imageUrl]"
            fit="cover">
          </el-image>
        </template>
      </el-table-column>
      <el-table-column label="状态" align="center" prop="status">
        <template slot-scope="scope">
          <el-tag type="success" v-if="scope.row.status == 1">正常</el-tag>
          <el-tag type="danger" v-else>禁用</el-tag>
        </template>
      </el-table-column>
      <el-table-column label="排序" align="center" prop="sort" />
      <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="['store:homeCategory:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['store:homeCategory: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"
    />

    <!-- 添加或修改文章分类对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body :close-on-click-modal="false">
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="分类名称" prop="categoryName">
          <el-input v-model="form.categoryName" placeholder="请输入分类名称" />
        </el-form-item>
        <el-form-item label="封面图片" prop="imageUrl">
          <ImageUpload v-model="form.imageUrl" :limit="1" />
        </el-form-item>
        <el-form-item label="排序" prop="sort">
          <el-input-number v-model="form.sort" placeholder="请输入排序" :min="0" controls-position="right" />
        </el-form-item>
        <el-form-item label="状态" prop="status">
          <el-radio-group v-model="form.status">
            <el-radio :label="1">正常</el-radio>
            <el-radio :label="0">禁用</el-radio>
          </el-radio-group>
        </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 { listHomeCategory, getHomeCategory, delHomeCategory, addHomeCategory, updateHomeCategory, exportHomeCategory } from "@/api/his/homeCategory";

export default {
  name: "HomeCategory",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 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,
      // 文章分类表格数据
      homeCategoryList: [],
      // 上传URL
      uploadUrl: process.env.VUE_APP_BASE_API + "/common/uploadOSS",
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        categoryName: null,
        status: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        categoryName: [
          { required: true, message: "分类名称不能为空", trigger: "blur" }
        ],
        imageUrl: [
          { required: true, message: "封面图片不能为空", trigger: "change" }
        ],
        status: [
          { required: true, message: "状态不能为空", trigger: "change" }
        ],
        sort: [
          { required: true, message: "排序不能为空", trigger: "blur" }
        ]
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询文章分类列表 */
    getList() {
      this.loading = true;
      listHomeCategory(this.queryParams).then(response => {
        this.homeCategoryList = 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 = {
        categoryId: null,
        categoryName: null,
        imageUrl: null,
        status: 1,
        sort: 0
      };
      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.categoryId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加文章分类";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const categoryId = row.categoryId || this.ids
      getHomeCategory(categoryId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改文章分类";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.categoryId != null) {
            updateHomeCategory(this.form).then(response => {
              if (response.code === 200) {
                this.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              }
            });
          } else {
            addHomeCategory(this.form).then(response => {
              if (response.code === 200) {
                this.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              }
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const categoryIds = row.categoryId || this.ids;
      if (row.status === 1) {
        this.$message.warning('非禁用的分类不能删除');
      } else {
        this.$confirm('是否确认删除该文章分类？', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delHomeCategory(categoryIds);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        }).catch(function() {
        });
      }
    },
    // /** 导出按钮操作 */
    // handleExport() {
    //   const queryParams = this.queryParams;
    //   this.$confirm('是否确认导出所有文章分类数据项?', "警告", {
    //       confirmButtonText: "确定",
    //       cancelButtonText: "取消",
    //       type: "warning"
    //     }).then(function() {
    //       return exportHomeCategory(queryParams);
    //     }).then(response => {
    //       this.download(response.msg);
    //     }).catch(function() {});
    // },
    // 图片上传成功处理

    // 图片上传前的验证

  }
};
</script>

<style>
.avatar {
  width: 150px;
  height: 150px;
  display: block;
}
</style>
