add calculation module and fix many bugs

api/controllers/productCategoryController.js

@@ -5,101 +5,102 @@ const dateformat = require('dateformat')
 const v_m = require('../validation_messages')
 
 module.exports.create = [
-   [
-      body('fa_name')
-         .notEmpty().withMessage(v_m['fa'].required.title),
+  [
+    body('fa_name')
+       .notEmpty().withMessage(v_m['fa'].required.title),
 
-      body('en_name')
-         .notEmpty().withMessage(v_m['fa'].required.title)
-   ],
-   (req, res) => {
-      const errors = validationResult(req)
-      if (!errors.isEmpty()) return res.status(422).json({validation: errors.mapped()})
+    body('en_name')
+       .notEmpty().withMessage(v_m['fa'].required.title)
+  ],
+  (req, res) => {
+    const errors = validationResult(req)
+    if (!errors.isEmpty()) return res.status(422).json({validation: errors.mapped()})
 
-      const data = {
-         category_details: {
-            fa: {
-               name: req.body.fa_name
-            },
-            en: {
-               name: req.body.en_name
-            }
-         },
-         created_at: dateformat(Date.now(), 'yyyy-mm-dd HH:MM:ss')
-      }
+    const data = {
+      category_details: {
+        fa: {
+          name: req.body.fa_name
+        },
+        en: {
+          name: req.body.en_name
+        }
+      },
+      created_at: dateformat(Date.now(), 'yyyy-mm-dd HH:MM:ss')
+    }
 
-      const category = new ProductCategory(data)
-      category.save(err => {
-         if (err) return res.status(500).json({message: err})
-         return res.json({message: v_m['fa'].response.success_save})
-      })
-   }
+    const category = new ProductCategory(data)
+    category.save(err => {
+      if (err) return res.status(500).json({message: err})
+      return res.json({message: v_m['fa'].response.success_save})
+    })
+  }
 ]
 
 
 module.exports.getAll = [
-   (req, res) => {
-      ProductCategory.find({}, (err, categories) => {
-         if (err) return res.status(500).json({message: err})
-         return res.json(categories)
-      })
-   }
+  (req, res) => {
+    ProductCategory.find({}, (err, categories) => {
+      if (err) return res.status(500).json({message: err})
+      return res.json(categories)
+    })
+  }
 ]
 
 
 module.exports.getOne = [
-   (req, res) => {
-      ProductCategory.findById(req.params.id, (err, category) => {
-         if (err) console.log(err)
-         return res.json(category)
-      })
-   }
+  (req, res) => {
+    ProductCategory.findById(req.params.id, (err, category) => {
+      if (err) console.log(err)
+      return res.json(category)
+    })
+  }
 ]
 
 
 module.exports.update = [
-   [
-      body('fa_name')
-         .notEmpty().withMessage(v_m['fa'].required.title),
+  [
+    body('fa_name')
+       .notEmpty().withMessage(v_m['fa'].required.title),
 
-      body('en_name')
-         .notEmpty().withMessage(v_m['fa'].required.title)
-   ],
-   (req, res) => {
-      // check validation results
-      const errors = validationResult(req)
-      if (!errors.isEmpty()) return res.status(422).json({validation: errors.mapped()})
+    body('en_name')
+       .notEmpty().withMessage(v_m['fa'].required.title)
+  ],
+  (req, res) => {
+    // check validation results
+    const errors = validationResult(req)
+    if (!errors.isEmpty()) return res.status(422).json({validation: errors.mapped()})
 
-      const data = {
-         category_details: {
-            fa: {
-               name: req.body.fa_name
-            },
-            en: {
-               name: req.body.en_name
-            }
-         }
-      }
+    const data = {
+      category_details: {
+        fa: {
+          name: req.body.fa_name
+        },
+        en: {
+          name: req.body.en_name
+        }
+      },
+      updated_at: dateformat(Date.now(), 'yyyy-mm-dd HH:MM:ss')
+    }
 
-      ProductCategory.findByIdAndUpdate(req.params.id, data, (err, oldData) => {
-         if (err) return res.status(404).json({message: err})
-         return res.json({message: v_m['fa'].response.success_save})
-      })
-   }
+    ProductCategory.findByIdAndUpdate(req.params.id, data, (err, oldData) => {
+      if (err) return res.status(404).json({message: err})
+      return res.json({message: v_m['fa'].response.success_save})
+    })
+  }
 ]
 
 
 module.exports.delete = [
-   (req, res) => {
-      Product.findOne({category: req.params.id}, (err, product) => {
-         if (err) console.log(err)
-         if (product) return res.status(400).json({message: 'این دسته بندی دارای محصول است.'})
-         else {
-            ProductCategory.findByIdAndDelete(req.params.id, (err, category) => {
-               if (err) return res.status(404).json({message: err})
-               return res.json({message: v_m['fa'].response.success_remove})
-            })
-         }
-      })
-   }
+  (req, res) => {
+    Product.findOne({category: req.params.id}, (err, product) => {
+      if (err) console.log(err)
+      if (product) return res.status(400).json({message: 'این دسته بندی دارای محصول است.'})
+      else {
+        ProductCategory.findByIdAndDelete(req.params.id, (err, category) => {
+          if (err) return res.status(404).json({message: err})
+          return res.json({message: v_m['fa'].response.success_remove})
+        })
+      }
+    })
+  }
 ]