fix SearchRequest model, add default values for not null fields

app/models/searchRequest.js

@@ -9,8 +9,13 @@ module.exports = (sequelize, DataTypes) => {
       primaryKey: true
     },
     areaToSearch: {
-      type: DataTypes.GEOMETRY("POINT", 4326),
-      allowNull: false
+      type: DataTypes.GEOMETRY("POLYGON", 4326),
+      allowNull: false,
+      defaultValue: {
+        type: "Polygon",
+        coordinates: [[[0, 0], [0, 0], [0, 0], [0, 0], [0, 0]]],
+        crs: { type: "name", properties: { name: "EPSG:4326" } }
+      }
     },
     realEstateType: {
       type: DataTypes.TEXT,
@@ -18,7 +23,8 @@ module.exports = (sequelize, DataTypes) => {
     },
     adType: {
       type: DataTypes.TEXT,
-      allowNull: false
+      allowNull: false,
+      defaultValue: "sell"
     },
     email: DataTypes.TEXT,
     locality: DataTypes.TEXT,
@@ -29,24 +35,29 @@ module.exports = (sequelize, DataTypes) => {
     country: DataTypes.TEXT,
     sizeMin: {
       type: DataTypes.INTEGER,
-      allowNull: false
+      allowNull: false,
+      defaultValue: 0
     },
     sizeMax: {
       type: DataTypes.INTEGER,
-      allowNull: false
+      allowNull: false,
+      defaultValue: 0
     },
     priceMin: {
       type: DataTypes.INTEGER,
-      allowNull: false
+      allowNull: false,
+      defaultValue: 0
     },
     priceMax: {
       type: DataTypes.INTEGER,
-      allowNull: false
+      allowNull: false,
+      defaultValue: 0
     },
     gardenSizeMin: DataTypes.INTEGER,
     gardenSizeMax: DataTypes.INTEGER,
     subscribed: {
       type: DataTypes.BOOLEAN,
+      defaultValue: true,
       allowNull: false
     }
   });